| Year |
Citation |
Score |
| 2021 |
Reino S, Rossi EM, Sanderson RE, Sellentin E, Helmi A, Koppelman HH, Sharma S. Galactic potential constraints from clustering in action space of combined stellar stream data Monthly Notices of the Royal Astronomical Society. 502: 4170-4193. DOI: 10.1093/MNRAS/STAB304 |
0.421 |
|
| 2021 |
Koppelman HH, Helmi A. Time evolution of gaps in stellar streams in axisymmetric Stäckel potentials Astronomy & Astrophysics. 649: A55. DOI: 10.1051/0004-6361/202039968 |
0.397 |
|
| 2021 |
Koppelman HH, Hagen JHJ, Helmi A. Frequencies, chaos, and resonances: A study of orbital parameters of nearby thick-disc and halo stars Astronomy & Astrophysics. 647: A37. DOI: 10.1051/0004-6361/202039390 |
0.478 |
|
| 2021 |
Recio-Blanco A, Fernández-Alvar E, de Laverny P, Antoja T, Helmi A, Crida A. Heavy-elements heritage of the falling sky Astronomy & Astrophysics. 648: A108. DOI: 10.1051/0004-6361/202038943 |
0.569 |
|
| 2021 |
Koppelman HH, Helmi A. Determination of the escape velocity of the Milky Way using a halo sample selected based on proper motion Astronomy & Astrophysics. 649: A136. DOI: 10.1051/0004-6361/202038777 |
0.494 |
|
| 2021 |
Koppelman HH, Helmi A. The reduced proper motion selected halo: Methods and description of the catalogue Astronomy & Astrophysics. 645: A69. DOI: 10.1051/0004-6361/202038178 |
0.555 |
|
| 2020 |
Matsuno T, Koppelman HH, Helmi A. Bright Stars from the Ancient Merger Gaia-Enceladus Visible with Binoculars Research Notes of the Aas. 4: 246. DOI: 10.3847/2515-5172/abd4d1 |
0.542 |
|
| 2020 |
Steinmetz M, Matijevic G, Enke H, Zwitter T, Guiglion G, McMillan PJ, Kordopatis G, Valentini M, Chiappini C, Casagrande L, Wojno J, Anguiano B, Bienayme O, Bijaoui A, Binney J, ... ... Helmi A, et al. The Sixth Data Release of the Radial Velocity Experiment (RAVE) -- I: Survey Description, Spectra and Radial Velocities The Astronomical Journal. 160: 82. DOI: 10.3847/1538-3881/Ab9Ab9 |
0.526 |
|
| 2020 |
Steinmetz M, Guiglion G, McMillan PJ, Matijevic G, Enke H, Kordopatis G, Zwitter T, Valentini M, Chiappini C, Casagrande L, Wojno J, Anguiano B, Bienayme O, Bijaoui A, Binney J, ... ... Helmi A, et al. The Sixth Data Release of the Radial Velocity Experiment (RAVE) -- II: Stellar Atmospheric Parameters, Chemical Abundances and Distances The Astronomical Journal. 160: 83. DOI: 10.3847/1538-3881/Ab9Ab8 |
0.547 |
|
| 2020 |
Helmi A. Streams, Substructures, and the Early History of the Milky Way Annual Review of Astronomy and Astrophysics. 58. DOI: 10.1146/Annurev-Astro-032620-021917 |
0.52 |
|
| 2020 |
Elias LM, Sales LV, Helmi A, Hernquist L. Cosmological insights into the assembly of the radial and compact stellar halo of the Milky Way Monthly Notices of the Royal Astronomical Society. 495: 29-39. DOI: 10.1093/Mnras/Staa1090 |
0.719 |
|
| 2020 |
Koppelman HH, Bos ROY, Helmi A. The messy merger of a large satellite and a Milky Way-like galaxy Astronomy & Astrophysics. 642: L18. DOI: 10.1051/0004-6361/202038652 |
0.577 |
|
| 2020 |
Ramos P, Mateu C, Antoja T, Helmi A, Castro-Ginard A, Balbinot E, Carrasco JM. Full 5D characterisation of the Sagittarius stream with Gaia DR2 RR Lyrae Astronomy and Astrophysics. 638. DOI: 10.1051/0004-6361/202037819 |
0.601 |
|
| 2020 |
Theler R, Jablonka P, Lardo C, North P, Irwin M, Battaglia G, Hill V, Tolstoy E, Venn K, Helmi A, Kaufer A, Lucchesi R, Primas F, Shetrone M. The chemical evolution of the dwarf Spheroidal galaxy Sextans Astronomy and Astrophysics. DOI: 10.1051/0004-6361/201937146 |
0.61 |
|
| 2020 |
Antoja T, Ramos P, Mateu C, Helmi A, Anders F, Jordi C, Carballo-Bello JA. An all-sky proper-motion map of the Sagittarius stream using Gaia DR2 Astronomy and Astrophysics. 635. DOI: 10.1051/0004-6361/201937145 |
0.435 |
|
| 2020 |
Massari D, Helmi A, Mucciarelli A, Sales LV, Spina L, Tolstoy E. Stellar 3D kinematics in the Draco dwarf spheroidal galaxy Astronomy and Astrophysics. 633. DOI: 10.1051/0004-6361/201935613 |
0.584 |
|
| 2019 |
Bignone LA, Helmi A, Tissera PB. A Gaia-Enceladus Analog in the EAGLE Simulation: Insights into the Early Evolution of the Milky Way The Astrophysical Journal. 883: 5. DOI: 10.3847/2041-8213/Ab3E0E |
0.599 |
|
| 2019 |
Sakari CM, Roederer IU, Placco VM, Beers TC, Ezzeddine R, Frebel A, Hansen T, Sneden C, Cowan JJ, Wallerstein G, Farrell EM, Venn KA, Matijevič G, Wyse RFG, Bland-Hawthorn J, ... ... Helmi A, et al. The R-Process Alliance: Discovery of a Low-α, r-process-enhanced Metal-poor Star in the Galactic Halo The Astrophysical Journal. 874: 148. DOI: 10.3847/1538-4357/Ab0C02 |
0.436 |
|
| 2019 |
Koppelman HH, Helmi A, Massari D, Price-Whelan AM, Starkenburg TK. Multiple retrograde substructures in the Galactic halo: A shattered view of Galactic history Astronomy and Astrophysics. 631. DOI: 10.1051/0004-6361/201936738 |
0.59 |
|
| 2019 |
Hagen JHJ, Helmi A, Breddels MA. Axisymmetric Schwarzschild models of an isothermal axisymmetric mock dwarf spheroidal galaxy Astronomy and Astrophysics. 632. DOI: 10.1051/0004-6361/201936196 |
0.635 |
|
| 2019 |
Massari D, Koppelman HH, Helmi A. Origin of the system of globular clusters in the Milky Way Astronomy and Astrophysics. 630. DOI: 10.1051/0004-6361/201936135 |
0.453 |
|
| 2019 |
Hagen JHJ, Helmi A, Zeeuw PTd, Posti L. The tilt of the velocity ellipsoid in the Milky Way with Gaia DR2 Astronomy and Astrophysics. 629: 1-14. DOI: 10.1051/0004-6361/201935264 |
0.606 |
|
| 2019 |
Koppelman HH, Helmi A, Massari D, Roelenga S, Bastian U. Characterization and history of the Helmi streams with Gaia DR2 Astronomy and Astrophysics. 625. DOI: 10.1051/0004-6361/201834769 |
0.605 |
|
| 2019 |
Hill V, Skúladóttir Á, Tolstoy E, Venn KA, Shetrone MD, Jablonka P, Primas F, Battaglia G, Boer TJLd, François P, Helmi A, Kaufer A, Letarte B, Starkenburg E, Spite M. VLT/FLAMES high-resolution chemical abundances in Sculptor: a textbook dwarf spheroidal galaxy Astronomy and Astrophysics. 626. DOI: 10.1051/0004-6361/201833950 |
0.442 |
|
| 2019 |
Posti L, Helmi A. Mass and shape of the Milky Way's dark matter halo with globular clusters from Gaia and Hubble Astronomy and Astrophysics. 621. DOI: 10.1051/0004-6361/201833355 |
0.514 |
|
| 2019 |
Eyer L, Rimoldini L, Audard M, Anderson RI, Nienartowicz K, Glass F, Marchal O, Grenon M, Mowlavi N, Holl B, Clementini G, Aerts C, Mazeh T, Evans DW, Szabados L, ... ... Helmi A, et al. Gaia Data Release 2 Variable stars in the colour-absolute magnitude diagram Astronomy and Astrophysics. 623: 1-20. DOI: 10.1051/0004-6361/201833304 |
0.538 |
|
| 2019 |
Veljanoski J, Helmi A, Breddels M, Posti L. Leaves on trees: identifying halo stars with extreme gradient boosted trees Astronomy and Astrophysics. 621. DOI: 10.1051/0004-6361/201732303 |
0.634 |
|
| 2018 |
Helmi A, Babusiaux C, Koppelman HH, Massari D, Veljanoski J, Brown AGA. The merger that led to the formation of the Milky Way's inner stellar halo and thick disk. Nature. 563: 85-88. PMID 30382207 DOI: 10.1038/S41586-018-0625-X |
0.664 |
|
| 2018 |
Antoja T, Helmi A, Romero-Gómez M, Katz D, Babusiaux C, Drimmel R, Evans DW, Figueras F, Poggio E, Reylé C, Robin AC, Seabroke G, Soubiran C. A dynamically young and perturbed Milky Way disk. Nature. 561: 360-362. PMID 30232428 DOI: 10.1038/S41586-018-0510-7 |
0.652 |
|
| 2018 |
Koppelman H, Helmi A, Veljanoski J. One Large Blob and Many Streams Frosting the nearby Stellar Halo in Gaia DR2 The Astrophysical Journal. 860. DOI: 10.3847/2041-8213/Aac882 |
0.645 |
|
| 2018 |
Sakari CM, Placco VM, Farrell EM, Roederer IU, Wallerstein G, Beers TC, Ezzeddine R, Frebel A, Hansen T, Holmbeck EM, Sneden C, Cowan JJ, Venn KA, Davis CE, Matijevič G, ... ... Helmi A, et al. The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo The Astrophysical Journal. 868: 110. DOI: 10.3847/1538-4357/Aae9Df |
0.38 |
|
| 2018 |
Carrillo I, Minchev I, Kordopatis G, Steinmetz M, Binney J, Anders F, Bienaymé O, Bland-Hawthorn J, Famaey B, Freeman KC, Gilmore G, Gibson BK, Grebel EK, Helmi A, Just A, et al. Is the Milky Way still breathing? RAVE–Gaia streaming motions Monthly Notices of the Royal Astronomical Society. 475: 2679-2696. DOI: 10.1093/Mnras/Stx3342 |
0.371 |
|
| 2018 |
Massari D, Helmi A. With and without spectroscopy: Gaia DR2 proper motions of seven Ultra- Faint Dwarf Galaxies Astronomy and Astrophysics. 620. DOI: 10.1051/0004-6361/201833367 |
0.567 |
|
| 2018 |
Arenou F, Luri X, Babusiaux C, Fabricius C, Helmi A, Muraveva T, Robin AC, Spoto F, Vallenari A, Antoja T, Cantat-Gaudin T, Jordi C, Leclerc N, Reyle C, Romero-Gomez M, et al. Gaia Data Release 2. Catalogue validation Astronomy and Astrophysics. 616. DOI: 10.1051/0004-6361/201833234 |
0.389 |
|
| 2018 |
Brown AGA, Vallenari A, Prusti T, Bruijne JHJd, Babusiaux C, Bailer-Jones CAL, Biermann M, Evans DW, Eyer L, Jansen F, Jordi C, Klioner SA, Lammers U, Lindegren L, Luri X, ... ... Helmi A, et al. Gaia Data Release 2 Summary of the contents and survey properties Astronomy and Astrophysics. 616: 1-22. DOI: 10.1051/0004-6361/201833051 |
0.492 |
|
| 2018 |
Mignard F, Klioner SA, Lindegren L, Hernández J, Bastian U, Bombrun A, Hobbs D, Lammers U, Michalik D, Ramos-Lerate M, Biermann M, Fernández-Hernández J, Geyer R, Hilger T, Siddiqui HI, ... ... Helmi A, et al. Gaia Data Release 2. The celestial reference frame (Gaia-CRF2) Astronomy and Astrophysics. 616: 1-15. DOI: 10.1051/0004-6361/201832916 |
0.391 |
|
| 2018 |
Hagen JHJ, Helmi A. The vertical force in the solar neighbourhood using red clump stars in TGAS and RAVE : Constraints on the local dark matter density Astronomy and Astrophysics. 615. DOI: 10.1051/0004-6361/201832903 |
0.586 |
|
| 2018 |
Spoto F, Tanga P, Mignard F, Berthier J, Carry B, Cellino A, Dell'Oro A, Hestroffer D, Muinonen K, Pauwels T, Petit J-, David P, Angeli FD, Delbo M, Frézouls B, ... ... Helmi A, et al. Gaia Data Release 2. Observations of solar system objects Astronomy and Astrophysics. 616: 1-24. DOI: 10.1051/0004-6361/201832900 |
0.442 |
|
| 2018 |
Katz D, Antoja T, Romero-Gómez M, Drimmel R, Reylé C, Seabroke GM, Soubiran C, Babusiaux C, Matteo PD, Figueras F, Poggio E, Robin AC, Evans DW, Brown AGA, Vallenari A, ... ... Helmi A, et al. Gaia Data Release 2 Mapping the Milky Way disc kinematics Astronomy and Astrophysics. 616: 1-40. DOI: 10.1051/0004-6361/201832865 |
0.562 |
|
| 2018 |
Babusiaux C, Leeuwen Fv, Barstow MA, Jordi C, Vallenari A, Bossini D, Bressan A, Cantat-Gaudin T, Leeuwen Mv, Brown AGA, Prusti T, Bruijne JHJd, Bailer-Jones CAL, Biermann M, Evans DW, ... ... Helmi A, et al. Gaia Data Release 2: Observational Hertzsprung-Russell diagrams Astronomy and Astrophysics. 616: 1-29. DOI: 10.1051/0004-6361/201832843 |
0.582 |
|
| 2018 |
Helmi A, Leeuwen Fv, McMillan PJ, Massari D, Antoja T, Robin AC, Lindegren L, Bastian U, Arenou F, Babusiaux C, Biermann M, Breddels MA, Hobbs D, Jordi C, Pancino E, et al. Gaia Data Release 2. Kinematics of globular clusters and dwarf galaxies around the Milky Way Astronomy and Astrophysics. 616: 1-47. DOI: 10.1051/0004-6361/201832698 |
0.513 |
|
| 2018 |
Posti L, Helmi A, Veljanoski J, Breddels MA. The dynamically selected stellar halo of the Galaxy with Gaia and the tilt of the velocity ellipsoid Astronomy and Astrophysics. 615. DOI: 10.1051/0004-6361/201732277 |
0.619 |
|
| 2018 |
Letarte B, Hill V, Tolstoy E, Jablonka P, Shetrone M, Venn K~, Spite M, Irwin M~, Battaglia G, Helmi A, Primas F, François P, Kaufer A, Szeifert T, Arimoto N, et al. Corrigendum: A high-resolution VLT/FLAMES study of individual stars in the centre of the Fornax dwarf spheroidal galaxy Astronomy and Astrophysics. 613. DOI: 10.1051/0004-6361/200913413E |
0.613 |
|
| 2018 |
Massari D, Breddels MA, Helmi A, Posti L, Brown AGA, Tolstoy E. Three-dimensional motions in the Sculptor dwarf galaxy as a glimpse of a new era Nature Astronomy. 2: 156-161. DOI: 10.1038/S41550-017-0322-Y |
0.608 |
|
| 2017 |
Casey AR, Hawkins K, Hogg DW, Ness M, Rix H, Kordopatis G, Kunder A, Steinmetz M, Koposov S, Enke H, Sanders J, Gilmore G, Zwitter T, Freeman KC, Casagrande L, ... ... Helmi A, et al. The RAVE-on Catalog of Stellar Atmospheric Parameters and Chemical Abundances for Chemo-dynamic Studies in theGaiaEra The Astrophysical Journal. 840: 59. DOI: 10.3847/1538-4357/Aa69C2 |
0.574 |
|
| 2017 |
Sanderson RE, Hartke J, Helmi A. Modeling the Gravitational Potential of a Cosmological Dark Matter Halo with Stellar Streams The Astrophysical Journal. 836: 234. DOI: 10.3847/1538-4357/Aa5Eb4 |
0.816 |
|
| 2017 |
Wojno J, Kordopatis G, Piffl T, Binney J, Steinmetz M, Matijevič G, Bland-Hawthorn J, Sharma S, McMillan P, Watson F, Reid W, Kunder A, Enke H, Grebel EK, Seabroke G, ... ... Helmi A, et al. The selection function of the RAVE survey Monthly Notices of the Royal Astronomical Society. 468: 3368-3380. DOI: 10.1093/Mnras/Stx606 |
0.4 |
|
| 2017 |
Oirschot Pv, Starkenburg E, Helmi A, Nelemans G. Building blocks of the Milky Way's accreted spheroid Monthly Notices of the Royal Astronomical Society. 464: 863-875. DOI: 10.1093/Mnras/Stw2340 |
0.627 |
|
| 2017 |
Leeuwen FV, Vallenari A, Jordi C, Lindegren L, Bastian U, Prusti T, Bruijne JHJD, Brown AGA, Babusiaux C, Bailer-Jones CAL, Biermann M, Evans DW, Eyer L, Jansen F, Klioner SA, ... ... Helmi A, et al. Gaia Data Release 1. Open cluster astrometry: performance, limitations, and future prospects Astronomy and Astrophysics. 601: 1-65. DOI: 10.1051/0004-6361/201730552 |
0.327 |
|
| 2017 |
Oirschot Pv, Nelemans G, Starkenburg E, Toonen S, Helmi A, Zwart SP. White dwarfs in the building blocks of the Galactic spheroid Astronomy and Astrophysics. 607: 1-16. DOI: 10.1051/0004-6361/201730418 |
0.625 |
|
| 2017 |
Matijevič G, Chiappini C, Grebel EK, Wyse RFG, Zwitter T, Bienaymé O, Bland-Hawthorn J, Freeman KC, Gibson BK, Gilmore G, Helmi A, Kordopatis G, Kunder A, Munari U, Navarro JF, et al. Very metal-poor stars observed by the RAVE survey Astronomy & Astrophysics. 603: A19. DOI: 10.1051/0004-6361/201730417 |
0.542 |
|
| 2017 |
Massari D, Posti L, Helmi A, Fiorentino G, Tolstoy E. The power of teaming up HST and Gaia: the first proper motion measurement of the distant cluster NGC 2419 Astronomy and Astrophysics. 598. DOI: 10.1051/0004-6361/201630174 |
0.471 |
|
| 2017 |
Helmi A, Veljanoski J, Breddels MA, Tian H, Sales LV. A box full of chocolates: The rich structure of the nearby stellar halo revealed by Gaia and RAVE Astronomy and Astrophysics. 598. DOI: 10.1051/0004-6361/201629990 |
0.654 |
|
| 2017 |
Clementini G, Eyer L, Ripepi V, Marconi M, Muraveva T, Garofalo A, Sarro LM, Palmer M, Luri X, Molinaro R, Rimoldini L, Szabados L, Musella I, Anderson RI, Prusti T, ... ... Helmi A, et al. Gaia Data Release 1. Testing parallaxes with local Cepheids and RR Lyrae stars Astronomy and Astrophysics. 605: 1-29. DOI: 10.1051/0004-6361/201629925 |
0.569 |
|
| 2017 |
Arenou F, Luri X, Babusiaux C, Fabricius C, Helmi A, Robin AC, Vallenari A, Blanco-Cuaresma S, Cantat-Gaudin T, Findeisen K, Reylé C, Ruiz-Dern L, Sordo R, Turon C, Walton NA, et al. Gaia Data Release 1 - Catalogue validation Astronomy and Astrophysics. 599. DOI: 10.1051/0004-6361/201629895 |
0.402 |
|
| 2017 |
Valentini M, Chiappini C, Davies GR, Elsworth YP, Mosser B, Lund MN, Miglio A, Chaplin WJ, Rodrigues TS, Boeche C, Steinmetz M, Matijevič G, Kordopatis G, Bland-Hawthorn J, Munari U, ... ... Helmi A, et al. RAVE stars in K2: I. Improving RAVE red giants spectroscopy using asteroseismology from K2 Campaign 1 Astronomy and Astrophysics. 600: 1-20. DOI: 10.1051/0004-6361/201629701 |
0.436 |
|
| 2017 |
Antoja T, Kordopatis G, Helmi A, Monari G, Famaey B, Wyse RFG, Grebel EK, Steinmetz M, Bland-Hawthorn J, Gibson BK, Bienaymé O, Navarro JF, Parker QA, Reid W, Seabroke G, et al. Asymmetric metallicity patterns in the stellar velocity space with RAVE Astronomy & Astrophysics. 601: A59. DOI: 10.1051/0004-6361/201629387 |
0.549 |
|
| 2017 |
Buist HJT, Helmi A. Behaviour of streams in angle and frequency spaces in different potentials Astronomy and Astrophysics. 601: 37. DOI: 10.1051/0004-6361/201527930 |
0.389 |
|
| 2017 |
Feltzing S, Bensby T, Bergemann M, Chiappini C, Christlieb N, Cioni MR, Helmi A, Irwin M, Minchev I, Starkenburg E, Jong RD. Galactic Archeology with 4MOST Arxiv: Instrumentation and Methods For Astrophysics. 13: 225-232. DOI: 10.1017/S1743921317008730 |
0.486 |
|
| 2017 |
Veljanoski J, Posti L, Helmi A, Breddels MA. Unveiling the stellar halo with TGAS Proceedings of the International Astronomical Union. 12: 275-276. DOI: 10.1017/S1743921317007141 |
0.456 |
|
| 2017 |
Koppelman HH, Helmi A. Time evolution of the properties of gaps in stellar streams in axisymmetric potentials Proceedings of the International Astronomical Union. 13: 321-322. DOI: 10.1017/S1743921317006901 |
0.414 |
|
| 2017 |
Hagen JHJ, Helmi A. The surface mass density in the solar neighbourhood using red clumps stars in TGASxRAVE Proceedings of the International Astronomical Union. 13: 304-305. DOI: 10.1017/S1743921317006524 |
0.492 |
|
| 2017 |
Hagen JHJ, Helmi A. The kinematics and surface mass density in the solar neighbourhood using TGASxRAVE Proceedings of the International Astronomical Union. 12: 160-163. DOI: 10.1017/S1743921317005725 |
0.414 |
|
| 2016 |
Helmi A, Koppelman HH. The Time Evolution Of Gaps In Tidal Streams The Astrophysical Journal. 828. DOI: 10.3847/2041-8205/828/1/L10 |
0.445 |
|
| 2016 |
Jong RSd, Barden SC, Bellido-Tirado O, Brynnel JG, Frey S, Giannone D, Haynes R, Johl D, Phillips D, Schnurr O, Walcher JC, Winkler R, Ansorge WR, Feltzing S, McMahon RG, ... ... Helmi A, et al. 4MOST: The 4-metre Multi-Object Spectroscopic Telescope project at preliminary design review Proceedings of Spie. 9908: 1-18. DOI: 10.1117/12.2232832 |
0.403 |
|
| 2016 |
Yaryura CY, Helmi A, Abadi MG, Starkenburg E. The low-mass end of the neutral gas mass and velocity width functions of galaxies in ΛCDM Monthly Notices of the Royal Astronomical Society. 457: 2415-2422. DOI: 10.1093/Mnras/Stw139 |
0.634 |
|
| 2016 |
Brown AGA, Vallenari A, Prusti T, Bruijne JHJd, Mignard F, Drimmel R, Babusiaux C, Bailer-Jones CAL, Bastian U, Biermann M, Evans DW, Eyer L, Jansen F, Jordi C, Katz D, ... ... Helmi A, et al. Gaia Data Release 1 Summary of the astrometric, photometric, and survey properties Astronomy and Astrophysics. 595: 1-23. DOI: 10.1051/0004-6361/201629512 |
0.415 |
|
| 2016 |
Prusti T, Bruijne JHJd, Brown AGA, Vallenari A, Babusiaux C, Bailer-Jones CAL, Bastian U, Biermann M, Evans DW, Eyer L, Jansen F, Jordi C, Klioner SA, Lammers U, Lindegren L, ... ... Helmi A, et al. The Gaia mission Astronomy and Astrophysics. 595: 1-36. DOI: 10.1051/0004-6361/201629272 |
0.305 |
|
| 2016 |
Veljanoski J, Helmi A. The kinematics of globular clusters systems in the outer halos of the Aquarius simulations Astronomy and Astrophysics. 592: 55. DOI: 10.1051/0004-6361/201628292 |
0.518 |
|
| 2016 |
Starkenburg TK, Helmi A, Sales LV. Dark influences III. Structural characterization of minor mergers of dwarf galaxies with dark satellites Astronomy and Astrophysics. 595. DOI: 10.1051/0004-6361/201528066 |
0.659 |
|
| 2016 |
Starkenburg TK, Helmi A, Sales LV. Dark influences - II. Gas and star formation in minor mergers of dwarf galaxies with dark satellites Astronomy and Astrophysics. 587. DOI: 10.1051/0004-6361/201527247 |
0.624 |
|
| 2016 |
Buist HJT, Helmi A. A new fitting-function to describe the time evolution of a galaxy's gravitational potential (Corrigendum) Astronomy and Astrophysics. 589. DOI: 10.1051/0004-6361/201323059E |
0.362 |
|
| 2015 |
Kordopatis G, Binney J, Gilmore G, Wyse RFG, Belokurov V, McMillan PJ, Hatfield P, Grebel EK, Steinmetz M, Navarro JF, Seabroke G, Minchev I, Chiappini C, Bienaymé O, Bland-Hawthorn J, ... ... Helmi A, et al. The rich are different: Evidence from the RAVE Survey for Stellar Radial Migration Monthly Notices of the Royal Astronomical Society. 447: 3526-3535. DOI: 10.1093/Mnras/Stu2726 |
0.514 |
|
| 2015 |
Breddels MA, Vera-Ciro C, Helmi A. Matching the dark matter profiles of dSph galaxies with those of simulated satellites: a two parameter comparison The Astrophysical Journal. 814. DOI: 10.1088/2041-8205/814/2/L23 |
0.573 |
|
| 2015 |
Antoja T, Monari G, Helmi A, Bienaymé O, Bland-Hawthorn J, Famaey B, Gibson BK, Grebel EK, Kordopatis G, Munari U, Navarro J, Parker Q, Reid WA, Seabroke G, Steinmetz M, et al. The imprints of the galactic bar on the thick disk with rave Astrophysical Journal Letters. 800. DOI: 10.1088/2041-8205/800/2/L32 |
0.632 |
|
| 2015 |
Sanderson RE, Helmi A, Hogg DW. Action-space clustering of tidal streams to infer the galactic potential Astrophysical Journal. 801. DOI: 10.1088/0004-637X/801/2/98 |
0.806 |
|
| 2015 |
Buist HJT, Helmi A. The evolution of streams in a time-dependent potential Astronomy and Astrophysics. 584. DOI: 10.1051/0004-6361/201526203 |
0.403 |
|
| 2015 |
Jablonka P, North P, Mashonkina L, Hill V, Revaz Y, Shetrone M, Starkenburg E, Irwin M, Tolstoy E, Battaglia G, Venn K, Helmi A, Primas F, François P. The early days of the Sculptor dwarf spheroidal galaxy Astronomy and Astrophysics. 583. DOI: 10.1051/0004-6361/201525661 |
0.628 |
|
| 2015 |
Starkenburg TK, Helmi A. Dark influences: imprints of dark satellites on dwarf galaxies Astronomy and Astrophysics. 575. DOI: 10.1051/0004-6361/201425082 |
0.658 |
|
| 2015 |
Helmi A. Stellar halos and the link to galaxy formation Proceedings of the International Astronomical Union. 11: 228-234. DOI: 10.1017/S1743921315009771 |
0.571 |
|
| 2015 |
van Oirschot P, Starkenburg E, Helmi A, Nelemans G. Building Blocks of the Milky Way's Stellar Halo Proceedings of the International Astronomical Union. 11: 373-374. DOI: 10.1017/S1743921315007061 |
0.557 |
|
| 2014 |
Kos J, Zwitter T, Wyse R, Bienaymé O, Binney J, Bland-Hawthorn J, Freeman K, Gibson BK, Gilmore G, Grebel EK, Helmi A, Kordopatis G, Munari U, Navarro J, Parker Q, et al. Interstellar medium. Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm. Science (New York, N.Y.). 345: 791-5. PMID 25124434 DOI: 10.1126/Science.1253171 |
0.473 |
|
| 2014 |
Lucia GD, Tornatore L, Frenk CS, Helmi A, Navarro JF, White SDM. Erratum: elemental abundances in Milky Way-like galaxies from a hierarchical galaxy formation model Monthly Notices of the Royal Astronomical Society. 447: 3420-3421. DOI: 10.1093/Mnras/Stu2609 |
0.648 |
|
| 2014 |
Hawkins K, Kordopatis G, Gilmore G, Masseron T, Wyse RFG, Ruchti G, Bienaymé O, Bland-Hawthorn J, Boeche C, Freeman K, Gibson BK, Grebel EK, Helmi A, Kunder A, Munari U, et al. Characterizing the high-velocity stars of RAVE: The discovery of a metal-rich halo star born in the Galactic disc Monthly Notices of the Royal Astronomical Society. 447: 2046-2058. DOI: 10.1093/Mnras/Stu2574 |
0.653 |
|
| 2014 |
Piffl T, Binney J, McMillan PJ, Steinmetz M, Helmi A, Wyse RFG, Bienaymé O, Bland-Hawthorn J, Freeman K, Gibson B, Gilmore G, Grebel EK, Kordopatis G, Navarro JF, Parker Q, et al. Constraining the Galaxy's dark halo with RAVE stars Monthly Notices of the Royal Astronomical Society. 445: 3133-3151. DOI: 10.1093/Mnras/Stu1948 |
0.618 |
|
| 2014 |
De Lucia G, Tornatore L, Frenk CS, Helmi A, Navarro JF, White SDM. Elemental abundances in Milky Way-like galaxies from a hierarchical galaxy formation model Monthly Notices of the Royal Astronomical Society. 445: 970-987. DOI: 10.1093/mnras/stu1752 |
0.533 |
|
| 2014 |
Vera-Ciro CA, Sales LV, Helmi A, Navarro JF. The shape of dark matter subhaloes in the aquarius simulations Monthly Notices of the Royal Astronomical Society. 439: 2863-2872. DOI: 10.1093/Mnras/Stu153 |
0.55 |
|
| 2014 |
Binney J, Burnett B, Kordopatis G, Steinmetz M, Gilmore G, Bienayme O, Bland-Hawthorn J, Famaey B, Grebel EK, Helmi A, Navarro J, Parker Q, Reid WA, Seabroke G, Siebert A, et al. Galactic kinematics and dynamics from radial velocity experiment stars Monthly Notices of the Royal Astronomical Society. 439: 1231-1244. DOI: 10.1093/Mnras/Stt2367 |
0.578 |
|
| 2014 |
Breddels MA, Helmi A. Complexity on Dwarf Galaxy Scales: A Bimodal Distribution Function in Sculptor The Astrophysical Journal. 791. DOI: 10.1088/2041-8205/791/1/L3 |
0.486 |
|
| 2014 |
Minchev I, Chiappini C, Martig M, Steinmetz M, De Jong RS, Boeche C, Scannapieco C, Zwitter T, Wyse RFG, Binney JJ, Bland-Hawthorn J, Bienaymé O, Famaey B, Freeman KC, Gibson BK, ... ... Helmi A, et al. A new stellar chemo-kinematic relation reveals the merger history of the milky way disk Astrophysical Journal Letters. 781. DOI: 10.1088/2041-8205/781/1/L20 |
0.591 |
|
| 2014 |
Sharma S, Bland-Hawthorn J, Binney J, Freeman KC, Steinmetz M, Boeche C, Bienaymé O, Gibson BK, Gilmore GF, Grebel EK, Helmi A, Kordopatis G, Munari U, Navarro JF, Parker QA, et al. Kinematic modeling of the milky way using the rave and GCS stellar surveys Astrophysical Journal. 793. DOI: 10.1088/0004-637X/793/1/51 |
0.492 |
|
| 2014 |
Helmi A, Williams M, Freeman KC, Bland-Hawthorn J, De Silva G. More pieces of the puzzle: Chemistry and substructures in the galactic thick disk Astrophysical Journal. 791. DOI: 10.1088/0004-637X/791/2/135 |
0.462 |
|
| 2014 |
Munari U, Henden A, Frigo A, Zwitter T, Bienaymé O, Bland-Hawthorn J, Boeche C, Freeman KC, Gibson BK, Gilmore G, Grebel EK, Helmi A, Kordopatis G, Levine SE, Navarro JF, et al. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings Astronomical Journal. 148. DOI: 10.1088/0004-6256/148/5/81 |
0.563 |
|
| 2014 |
Jin S, Helmi A, Breddels M. What can Gaia proper motions tell us about Milky Way dwarf galaxies Eas Publications Series. 1502: 241-245. DOI: 10.1051/Eas/1567043 |
0.39 |
|
| 2014 |
van Oirschot P, Nelemans G, Toonen S, Pols O, Brown AGA, Helmi A, Zwart SP. Binary white dwarfs in the halo of the Milky Way Astronomy & Astrophysics. 569: A42. DOI: 10.1051/0004-6361/201424195 |
0.643 |
|
| 2014 |
Kunder A, Bono G, Piffl T, Steinmetz M, Grebel EK, Anguiano B, Freeman K, Kordopatis G, Zwitter T, Scholz R, Gibson BK, Bland-Hawthorn J, Seabroke G, Boeche C, Siebert A, ... ... Helmi A, et al. Spectroscopic signatures of extratidal stars around the globular clusters NGC 6656 (M 22), NGC 3201, and NGC 1851 from RAVE Astronomy and Astrophysics. 572. DOI: 10.1051/0004-6361/201424113 |
0.591 |
|
| 2014 |
Lemasle B, De Boer TJL, Hill V, Tolstoy E, Irwin MJ, Jablonka P, Venn K, Battaglia G, Starkenburg E, Shetrone M, Letarte B, François P, Helmi A, Primas F, Kaufer A, et al. VLT/FLAMES spectroscopy of red giant branch stars in the Fornax dwarf spheroidal galaxy Astronomy and Astrophysics. 572. DOI: 10.1051/0004-6361/201423919 |
0.621 |
|
| 2014 |
Monari G, Helmi A, Antoja T, Steinmetz M. The Galactic bar and the large scale velocity gradients in the Galactic disk Astronomy and Astrophysics. 569. DOI: 10.1051/0004-6361/201423666 |
0.5 |
|
| 2014 |
Buist HJT, Helmi A. A new fitting-function to describe the time evolution of a galaxy’s gravitational potential Astronomy and Astrophysics. 563. DOI: 10.1051/0004-6361/201323059 |
0.479 |
|
| 2014 |
Recio-Blanco A, De Laverny P, Kordopatis G, Helmi A, Hill V, Gilmore G, Wyse R, Adibekyan V, Randich S, Asplund M, Feltzing S, Jeffries R, Micela G, Vallenari A, Alfaro E, et al. The Gaia-ESO survey: The Galactic thick to thin disc transition Astronomy and Astrophysics. 567. DOI: 10.1051/0004-6361/201322944 |
0.541 |
|
| 2014 |
Antoja T, Helmi A, Dehnen W, Bienaymé O, Bland-Hawthorn J, Famaey B, Freeman K, Gibson BK, Gilmore G, Grebel EK, Kordopatis G, Kunder A, Minchev I, Munari U, Navarro J, et al. Constraints on the Galactic bar from the Hercules stream as traced with RAVE across the Galaxy â&dagger Astronomy and Astrophysics. 563. DOI: 10.1051/0004-6361/201322623 |
0.455 |
|
| 2014 |
Piffl T, Scannapieco C, Binney J, Steinmetz M, Scholz RD, Williams MEK, De Jong RS, Kordopatis G, Matijevič G, Bienaymé O, Bland-Hawthorn J, Boeche C, Freeman K, Gibson B, Gilmore G, ... ... Helmi A, et al. The RAVE survey: The Galactic escape speed and the mass of the Milky Way Astronomy and Astrophysics. 562. DOI: 10.1051/0004-6361/201322531 |
0.578 |
|
| 2014 |
Helmi A, Sanderson RE. Mass modelling from stellar streams in the Milky Way Proceedings of the International Astronomical Union. 10: 11-15. DOI: 10.1017/S1743921315003300 |
0.545 |
|
| 2013 |
Breddels M, Helmi A, Bosch RCEvd, Ven Gvd, Battaglia G. Orbit-based dynamical models of the Sculptor dSph galaxy Monthly Notices of the Royal Astronomical Society. 433: 3173-3189. DOI: 10.1093/Mnras/Stt956 |
0.568 |
|
| 2013 |
Binney J, Burnett B, Kordopatis G, McMillan PJ, Sharma S, Zwitter T, Bienaymé O, Bland-Hawthorn J, Steinmetz M, Gilmore G, Williams MEK, Navarro J, Grebel EK, Helmi A, Parker Q, et al. New distances to RAVE stars Monthly Notices of the Royal Astronomical Society. 437: 351-370. DOI: 10.1093/Mnras/Stt1896 |
0.579 |
|
| 2013 |
Gómez FA, Helmi A, Cooper AP, Frenk CS, Navarro JF, White SDM. Streams in the aquarius stellar haloes Monthly Notices of the Royal Astronomical Society. 436: 3602-3613. DOI: 10.1093/Mnras/Stt1838 |
0.559 |
|
| 2013 |
Williams MEK, Steinmetz M, Binney J, Siebert A, Enke H, Famaey B, Minchev I, de Jong RS, Boeche C, Freeman KC, Bienaymé O, Bland-Hawthorn J, Gibson BK, Gilmore GF, Grebel EK, ... Helmi A, et al. The wobbly Galaxy: Kinematics north and south with RAVE red-clump giants Monthly Notices of the Royal Astronomical Society. 436: 101-121. DOI: 10.1093/Mnras/Stt1522 |
0.529 |
|
| 2013 |
Sanderson RE, Helmi A. An analytical phase-space model for tidal caustics Monthly Notices of the Royal Astronomical Society. 435: 378-399. DOI: 10.1093/Mnras/Stt1307 |
0.808 |
|
| 2013 |
Starkenburg E, Helmi A, De Lucia G, Li YS, Navarro JF, Font AS, Frenk CS, Springel V, Vera-Ciro CA, White SDM. The satellites of the milky way-insights from semi-analytic modelling in a λCDM cosmology Monthly Notices of the Royal Astronomical Society. 429: 725-743. DOI: 10.1093/Mnras/Sts367 |
0.669 |
|
| 2013 |
Vera-Ciro CA, Helmi A, Starkenburg E, Breddels MA. Not too big, not too small: the dark haloes of the dwarf spheroidals in the Milky Way Monthly Notices of the Royal Astronomical Society. 428: 1696-1703. DOI: 10.1093/Mnras/Sts148 |
0.601 |
|
| 2013 |
Vera-Ciro C, Helmi A. Constraints On The Shape Of The Milky Way Dark Matter Halo From The Sagittarius Stream The Astrophysical Journal. 773: 4. DOI: 10.1088/2041-8205/773/1/L4 |
0.615 |
|
| 2013 |
Kordopatis G, Gilmore G, Steinmetz M, Boeche C, Seabroke GM, Siebert A, Zwitter T, Binney J, De Laverny P, Recio-Blanco A, Williams MEK, Piffl T, Enke H, Roeser S, Bijaoui A, ... ... Helmi A, et al. The radial velocity experiment (RAVE): Fourth data release Astronomical Journal. 146. DOI: 10.1088/0004-6256/146/5/134 |
0.439 |
|
| 2013 |
Breddels MA, Helmi A. An analytic distribution function for a mass-less cored stellar system in a cuspy dark-matter halo Astronomy and Astrophysics. 558. DOI: 10.1051/0004-6361/201322449 |
0.578 |
|
| 2013 |
Breddels MA, Helmi A. Model comparison of the dark matter profiles of Fornax, Sculptor, Carina and Sextans Astronomy and Astrophysics. 558. DOI: 10.1051/0004-6361/201321606 |
0.621 |
|
| 2013 |
Boeche C, Chiappini C, Minchev I, Williams M, Steinmetz M, Sharma S, Kordopatis G, Bland-Hawthorn J, Bienaymé O, Gibson BK, Gilmore G, Grebel EK, Helmi A, Munari U, Navarro JF, et al. The relation between chemical abundances and kinematics of the Galactic disc with RAVE Astronomy and Astrophysics. 553. DOI: 10.1051/0004-6361/201219607 |
0.599 |
|
| 2013 |
van Oirschot P, Nelemans G, Helmi A, Starkenburg E, Pols O, Brown AG. Binary White Dwarfs in the Galactic Halo Proceedings of the International Astronomical Union. 9: 431-431. DOI: 10.1017/S1743921313006972 |
0.693 |
|
| 2013 |
Sanderson RE, Helmi A, Hogg DW. Action-space clustering of tidal streams to map the Galactic potential Iau Symposia. 9: 207-212. DOI: 10.1017/S1743921313006388 |
0.769 |
|
| 2013 |
Battaglia G, Helmi A, Breddels M. Internal kinematics and dynamical models of dwarf spheroidal galaxies around the Milky Way New Astronomy Reviews. 57: 52-79. DOI: 10.1016/J.Newar.2013.05.003 |
0.58 |
|
| 2013 |
Caffau E, Koch A, Sbordone L, Sartoretti P, Hansen CJ, Royer F, Leclerc N, Bonifacio P, Christlieb N, Ludwig HG, Grebel EK, de Jong RS, Chiappini C, Walcher J, Mignot S, ... ... Helmi A, et al. Velocity and abundance precisions for future high-resolution spectroscopic surveys: A study for 4MOST Astronomische Nachrichten. 334: 197-216. DOI: 10.1002/Asna.201211814 |
0.427 |
|
| 2012 |
De Jong RS, Bellido-Tirado O, Chiappini C, Depagne E, Haynes R, Johl D, Schnurr O, Schwope A, Walcher J, Dionies F, Haynes D, Kelz A, Kitaura FS, Lamer G, Minchev I, ... ... Helmi A, et al. 4MOST - 4-metre multi-object spectroscopic telescope Proceedings of Spie - the International Society For Optical Engineering. 8446. DOI: 10.1117/12.2055826 |
0.394 |
|
| 2012 |
Antoja T, Helmi A, Bienayme O, Bland-Hawthorn J, Famaey B, Freeman K, Gibson BK, Gilmore G, Grebel EK, Minchev I, Munari U, Navarro J, Parker Q, Reid W, Seabroke GM, et al. Kinematic groups beyond the solar neighbourhood with RAVE Monthly Notices of the Royal Astronomical Society: Letters. 426: L1-L5. DOI: 10.1111/J.1745-3933.2012.01310.X |
0.47 |
|
| 2012 |
Helmi A, Sales LV, Starkenburg E, Starkenburg TK, Vera-Ciro CA, De Lucia G, Li YS. Dark satellites and the morphology of dwarf galaxies Astrophysical Journal Letters. 758. DOI: 10.1088/2041-8205/758/1/L5 |
0.65 |
|
| 2012 |
Matijevič G, Zwitter T, Bienaymé O, Bland-Hawthorn J, Boeche C, Freeman KC, Gibson BK, Gilmore G, Grebel EK, Helmi A, Munari U, Navarro J, Parker QA, Reid W, Seabroke G, et al. Exploring the morphology of rave stellar spectra Astrophysical Journal, Supplement Series. 200. DOI: 10.1088/0067-0049/200/2/14 |
0.555 |
|
| 2012 |
Venn KA, Shetrone MD, Irwin MJ, Hill V, Jablonka P, Tolstoy E, Lemasle B, Divell M, Starkenburg E, Letarte B, Baldner C, Battaglia G, Helmi A, Kaufer A, Primas F. Nucleosynthesis and the inhomogeneous chemical evolution of the carina dwarf galaxy Astrophysical Journal. 751. DOI: 10.1088/0004-637X/751/2/102 |
0.604 |
|
| 2012 |
Antoja T, Helmi A, Figueras F, Romero-Gómez M. Kinematic groups across the MW disc: Insights from models and from the RAVE catalogue Arxiv: Astrophysics of Galaxies. 19: 5002. DOI: 10.1051/Epjconf/20121905002 |
0.388 |
|
| 2012 |
Breddels M, Helmi A, van den Bosch R, van de Ven G, Battaglia G. Schwarzschild models of the Sculptor dSph galaxy Epj Web of Conferences. 19: 03009. DOI: 10.1051/epjconf/20121903009 |
0.507 |
|
| 2011 |
Sales LV, Navarro JF, Cooper AP, White SDM, Frenk CS, Helmi A. Clues to the 'Magellanic Galaxy' from cosmological simulations Monthly Notices of the Royal Astronomical Society. 418: 648-658. DOI: 10.1111/J.1365-2966.2011.19514.X |
0.503 |
|
| 2011 |
Cooper AP, Cole S, Frenk CS, Helmi A. A two-point correlation function for Galactic halo stars Monthly Notices of the Royal Astronomical Society. 417: 2206-2215. DOI: 10.1111/J.1365-2966.2011.19401.X |
0.617 |
|
| 2011 |
Font AS, Benson AJ, Bower RG, Frenk CS, Cooper A, DeLucia G, Helly JC, Helmi A, Li YS, McCarthy IG, Navarro JF, Springel V, Starkenburg E, Wang J, White SDM. The population of Milky Way satellites in the Λ cold dark matter cosmology Monthly Notices of the Royal Astronomical Society. 417: 1260-1279. DOI: 10.1111/J.1365-2966.2011.19339.X |
0.626 |
|
| 2011 |
Vera-Ciro CA, Sales LV, Helmi A, Frenk CS, Navarro JF, Springel V, Vogelsberger M, White SDM. The shape of dark matter haloes the Aquarius simulations: Evolution and memory Monthly Notices of the Royal Astronomical Society. 416: 1377-1391. DOI: 10.1111/J.1365-2966.2011.19134.X |
0.685 |
|
| 2011 |
Wilson ML, Helmi A, Morrison HL, Breddels MA, Bienaymé O, Binney J, Bland-Hawthorn J, Campbell R, Freeman KC, Fulbright JP, Gibson BK, Gilmore G, Grebel EK, Munari U, Navarro JF, et al. Testing formation mechanisms of the Milky Way's thick disc with RAVE Monthly Notices of the Royal Astronomical Society. 413: 2235-2241. DOI: 10.1111/J.1365-2966.2011.18298.X |
0.529 |
|
| 2011 |
Wang J, Navarro JF, Frenk CS, White SDM, Springel V, Jenkins A, Helmi A, Ludlow A, Vogelsberger M. Assembly history and structure of galactic cold dark matter haloes Monthly Notices of the Royal Astronomical Society. 413: 1373-1382. DOI: 10.1111/J.1365-2966.2011.18220.X |
0.737 |
|
| 2011 |
Siebert A, Famaey B, Minchev I, Seabroke GM, Binney J, Burnett B, Freeman KC, Williams M, Bienaymé O, Bland-Hawthorn J, Campbell R, Fulbright JP, Gibson BK, Gilmore G, Grebel EK, ... Helmi A, et al. Detection of a radial velocity gradient in the extended local disc with RAVE Monthly Notices of the Royal Astronomical Society. 412: 2026-2032. DOI: 10.1111/J.1365-2966.2010.18037.X |
0.526 |
|
| 2011 |
Battaglia G, Tolstoy E, Helmi A, Irwin M, Parisi P, Hill V, Jablonka P. Study of the Sextans dwarf spheroidal galaxy from the DART Ca II triplet survey Monthly Notices of the Royal Astronomical Society. 411: 1013-1034. DOI: 10.1111/J.1365-2966.2010.17745.X |
0.62 |
|
| 2011 |
Kiss LL, Moór A, Szalai T, Kovács J, Bayliss D, Gilmore GF, Bienaymé O, Binney J, Bland-Hawthorn J, Campbell R, Freeman KC, Fulbright JP, Gibson BK, Grebel EK, Helmi A, et al. A search for new members of the βPictoris, Tucana-Horologium and εCha moving groups in the RAVE data base Monthly Notices of the Royal Astronomical Society. 411: 117-123. DOI: 10.1111/J.1365-2966.2010.17660.X |
0.383 |
|
| 2011 |
Helmi A, Cooper AP, White SDM, Cole S, Frenk CS, Navarro JF. Substructure in the stellar halos of the aquarius simulations The Astrophysical Journal. 733: 1-5. DOI: 10.1088/2041-8205/733/1/L7 |
0.639 |
|
| 2011 |
Ruchti GR, Fulbright JP, Wyse RFG, Gilmore GF, Bienaymé O, Bland-Hawthorn J, Gibson BK, Grebel EK, Helmi A, Munari U, Navarro JF, Parker QA, Reid W, Seabroke GM, Siebert A, et al. Observational properties of the metal-poor thick disk of the milky way and insights into its origins Astrophysical Journal. 737. DOI: 10.1088/0004-637X/737/1/9 |
0.642 |
|
| 2011 |
Williams MEK, Steinmetz M, Sharma S, Bland-Hawthorn J, De Jong RS, Seabroke GM, Helmi A, Freeman KC, Binney J, Minchev I, Bienaymé O, Campbell R, Fulbright JP, Gibson BK, Gilmore GF, et al. The dawning of the stream of Aquarius in RAVE Astrophysical Journal. 728. DOI: 10.1088/0004-637X/728/2/102 |
0.631 |
|
| 2011 |
Boeche C, Siebert A, Williams M, De Jong RS, Steinmetz M, Fulbright JP, Ruchti GR, Bienaymé O, Bland-Hawthorn J, Campbell R, Freeman KC, Gibson BK, Gilmore G, Grebel EK, Helmi A, et al. The rave catalog of stellar elemental abundances: First data release Astronomical Journal. 142. DOI: 10.1088/0004-6256/142/6/193 |
0.35 |
|
| 2011 |
Matijeviĉ G, Zwitter T, Bienaymé O, Bland-Hawthorn J, Freeman KC, Gilmore G, Grebel EK, Helmi A, Munari U, Navarro JF, Parker QA, Reid W, Seabroke GM, Siebert A, Siviero A, et al. Single-lined spectroscopic binary star candidates in the rave survey Astronomical Journal. 141. DOI: 10.1088/0004-6256/141/6/200 |
0.624 |
|
| 2011 |
Starkenburg E, Hill V, Tolstoy E, Hernández JIG, Irwin M, Helmi A, Boschman L, Francois P, Battaglia G, Jablonka P, Tafelmeyer M, Shetrone M, Venn K, Boer Td. The Search for Extremely Low-Metallicity Stars in Dwarf Galaxies Using the NIR Ca II Triplet Eas Publications Series. 48: 13-18. DOI: 10.1051/Eas/1148002 |
0.489 |
|
| 2011 |
Kordopatis G, Recio-Blanco A, Laverny Pd, Gilmore G, Hill V, Wyse RFG, Helmi A, Bijaoui A, Zoccali M, Bienaymé O. A spectroscopic survey of thick disc stars outside the solar neighbourhood Astronomy and Astrophysics. 535: 107. DOI: 10.1051/0004-6361/201117373 |
0.548 |
|
| 2011 |
Burnett B, Binney J, Sharma S, Williams M, Zwitter T, Bienaymé O, Bland-Hawthorn J, Freeman KC, Fulbright J, Gibson B, Gilmore G, Grebel EK, Helmi A, Munari U, Navarro JF, et al. Distance determination for RAVE stars using stellar models: III. the nature of the RAVE survey and Milky Way chemistry Astronomy and Astrophysics. 532. DOI: 10.1051/0004-6361/201116715 |
0.575 |
|
| 2011 |
Tafelmeyer M, Jablonka P, Hill V, Shetrone M, Tolstoy E, Irwin MJ, Battaglia G, Helmi A, Starkenburg E, Venn KA, Abel T, Francois P, Kaufer A, North P, Primas F, et al. Extremely metal-poor stars in classical dwarf spheroidal galaxies: Fornax, Sculptor, and Sextans (Corrigendum) Astronomy & Astrophysics. 527: C1. DOI: 10.1051/0004-6361/201014733E |
0.733 |
|
| 2010 |
Sales LV, Helmi A, Battaglia G. The effect of tidal stripping on composite stellar populations in dwarf spheroidal galaxies Advances in Astronomy. 2010. DOI: 10.1155/2010/194345 |
0.609 |
|
| 2010 |
Balcells M, Benn CR, Carter D, Dalton GB, Trager SC, Feltzing S, Verheijen MAW, Jarvis M, Percival W, Abrams DC, Agocs T, Brown AGA, Cano D, Evans C, Helmi A, et al. Design drivers for a wide-field multi-object spectrograph for the William Herschel Telescope Proceedings of Spie. 7735: 1-77357. DOI: 10.1117/12.856947 |
0.434 |
|
| 2010 |
Gómez FA, Helmi A, Brown AGA, Li Y. On the identification of merger debris in the Gaia era Monthly Notices of the Royal Astronomical Society. 408: 935-946. DOI: 10.1111/J.1365-2966.2010.17225.X |
0.516 |
|
| 2010 |
Cooper AP, Cole S, Frenk CS, White SDM, Helly J, Benson AJ, Lucia GD, Helmi A, Jenkins AR, Navarro JF, Springel V, Wang J. Galactic stellar haloes in the CDM model Monthly Notices of the Royal Astronomical Society. 406: 744-766. DOI: 10.1111/J.1365-2966.2010.16740.X |
0.642 |
|
| 2010 |
Navarro JF, Ludlow A, Springel V, Wang J, Vogelsberger M, White SDM, Jenkins A, Frenk CS, Helmi A. The diversity and similarity of simulated cold dark matter haloes Monthly Notices of the Royal Astronomical Society. 402: 21-34. DOI: 10.1111/J.1365-2966.2009.15878.X |
0.624 |
|
| 2010 |
Gómez FA, Helmi A. On the identification of substructure in phase space using orbital frequencies Monthly Notices of the Royal Astronomical Society. 401: 2285-2298. DOI: 10.1111/J.1365-2966.2009.15841.X |
0.412 |
|
| 2010 |
Li Y, Lucia GD, Helmi A. On the Nature of the Milky Way satellites Monthly Notices of the Royal Astronomical Society. 401: 2036-2052. DOI: 10.1111/J.1365-2966.2009.15803.X |
0.644 |
|
| 2010 |
Fulbright JP, Wyse RFG, Ruchti GR, Gilmore GF, Grebel E, Bienaymé O, Binney J, Bland-Hawthorn J, Campbell R, Freeman KC, Gibson BK, Helmi A, Munari U, Navarro JF, Parker QA, et al. The RAVE survey: Rich in very metal-poor stars Astrophysical Journal Letters. 724: L104-L108. DOI: 10.1088/2041-8205/724/1/L104 |
0.604 |
|
| 2010 |
Ruchti GR, Fulbright JP, Wyse RFG, Gilmore GF, Bienaymé O, Binney J, Bland-Hawthorn J, Campbell R, Freeman KC, Gibson BK, Grebel EK, Helmi A, Munari U, Navarro JF, Parker QA, et al. Origins of the thick disk as traced by the alpha elements of metal-poor giant stars selected from RAVE Astrophysical Journal Letters. 721: L92-L96. DOI: 10.1088/2041-8205/721/2/L92 |
0.596 |
|
| 2010 |
Villalobos Á, Kazantzidis S, Helmi A. Thick-Disk Evolution Induced By The Growth Of An Embedded Thin Disk The Astrophysical Journal. 718: 314-330. DOI: 10.1088/0004-637X/718/1/314 |
0.556 |
|
| 2010 |
Matijevič G, Zwitter T, Munari U, Bienaymé O, Binney J, Bland-Hawthorn J, Boeche C, Campbell R, Freeman KC, Gibson B, Gilmore G, Grebel EK, Helmi A, Navarro JF, Parker QA, et al. Double-lined spectroscopic binary stars in the rave survey Astronomical Journal. 140: 184-195. DOI: 10.1088/0004-6256/140/1/184 |
0.489 |
|
| 2010 |
Kordopatis G, Recio-Blanco A, Laverny Pd, Gilmore G, Hill V, Wyse RFG, Helmi A, Bijaoui A, Ordenovic C, Zoccali M, Bienaymé O. A spectroscopic survey of the Thick Disc outside the Solar neighbourhood: A comparison with the Besançon model Eas Publications Series. 45: 405-408. DOI: 10.1051/Eas/1045070 |
0.573 |
|
| 2010 |
Helmi A. New (theoretical) Perspectives on the Galactic Halo Eas Publications Series. 45: 319-324. DOI: 10.1051/Eas/1045054 |
0.577 |
|
| 2010 |
Zwitter T, Matijevič G, Breddels MA, Smith MC, Helmi A, Munari U, Bienaymé O, Binney J, Bland-Hawthorn J, Boeche C, Brown AGA, Campbell R, Freeman KC, Fulbright J, Gibson B, et al. Distance determination for RAVE stars using stellar models: II. Most likely values assuming a standard stellar evolution scenario Astronomy and Astrophysics. 522. DOI: 10.1051/0004-6361/201014922 |
0.642 |
|
| 2010 |
Tafelmeyer M, Jablonka P, Hill V, Shetrone M, Tolstoy E, Irwin MJ, Battaglia G, Helmi A, Starkenburg E, Venn KA, Abel T, Francois P, Kaufer A, North P, Primas F, et al. Extremely metal-poor stars in classical dwarf spheroidal galaxies: Fornax, Sculptor, and Sextans Astronomy and Astrophysics. 524. DOI: 10.1051/0004-6361/201014733 |
0.722 |
|
| 2010 |
Starkenburg E, Hill V, Tolstoy E, González Hernández JI, Irwin M, Helmi A, Battaglia G, Jablonka P, Tafelmeyer M, Shetrone M, Venn K, De Boer T. The NIR Ca II triplet at low metallicity: Searching for extremely low-metallicity stars in classical dwarf galaxies Astronomy and Astrophysics. 513. DOI: 10.1051/0004-6361/200913759 |
0.496 |
|
| 2010 |
Letarte B, Hill V, Tolstoy E, Jablonka P, Shetrone M, Venn KA, Spite M, Irwin MJ, Battaglia G, Helmi A, Primas F, Francois P, Kaufer A, Szeifert T, Arimoto N, et al. A high-resolution VLT/FLAMES study of individual stars in the centre of the Fornax dwarf spheroidal galaxy Astronomy and Astrophysics. 523: 17. DOI: 10.1051/0004-6361/200913413 |
0.56 |
|
| 2010 |
Breddels MA, Smith MC, Helmi A, Bienaymé O, Binney J, Bland-Hawthorn J, Boeche C, Burnett BCM, Campbell R, Freeman KC, Gibson B, Gilmore G, Grebel EK, Munari U, Navarro JF, et al. Distance determination for RAVE stars using stellar models Astronomy and Astrophysics. 511: A90. DOI: 10.1051/0004-6361/200912471 |
0.571 |
|
| 2010 |
Helmi A. Dynamics and history of the Milky Way Highlights of Astronomy. 15: 176-177. DOI: 10.1017/S1743921310008598 |
0.514 |
|
| 2009 |
Sales LV, Helmi A, Abadi MG, Brook CB, G��mez FA, Ro��kar R, Debattista VP, House E, Steinmetz M, Villalobos �. Orbital eccentricity as a probe of thick disc formation scenarios Monthly Notices of the Royal Astronomical Society: Letters. 400: L61-L65. DOI: 10.1111/J.1745-3933.2009.00763.X |
0.539 |
|
| 2009 |
Sales LV, Navarro JF, Schaye J, Vecchia CD, Springel V, Haas MR, Helmi A. The origin of extended disc galaxies at z = 2 Monthly Notices of the Royal Astronomical Society: Letters. 399. DOI: 10.1111/J.1745-3933.2009.00725.X |
0.64 |
|
| 2009 |
Li Y, Helmi A, Lucia GD, Stoehr F. On the common mass scale of the Milky Way satellites Monthly Notices of the Royal Astronomical Society: Letters. 397. DOI: 10.1111/J.1745-3933.2009.00690.X |
0.626 |
|
| 2009 |
Villalobos Á, Helmi A. Simulations of minor mergers - II. The phase-space structure of thick discs Monthly Notices of the Royal Astronomical Society. 399: 166-176. DOI: 10.1111/J.1365-2966.2009.15085.X |
0.636 |
|
| 2009 |
Vogelsberger M, Helmi A, Springel V, White SDM, Wang J, Frenk CS, Jenkins A, Ludlow A, Navarro JF. Phase-space structure in the local dark matter distribution and its signature in direct detection experiments Monthly Notices of the Royal Astronomical Society. 395: 797-811. DOI: 10.1111/J.1365-2966.2009.14630.X |
0.676 |
|
| 2009 |
Starkenburg E, Helmi A, Morrison HL, Harding P, Van Woerden H, Mateo M, Olszewski EW, Sivarani T, Norris JE, Freeman KC, Shectman SA, Dohm-Palmer RC, Frey L, Oravetz D. Mapping the galactic halo. VIII. Quantifying substructure Astrophysical Journal. 698: 567-579. DOI: 10.1088/0004-637X/698/1/567 |
0.593 |
|
| 2009 |
Morrison HL, Helmi A, Sun J, Liu P, Gu R, Norris JE, Harding P, Kinman TD, Kepley AA, Freeman KC, Williams M, Van Duyne J. Fashionably late? Building up the milky way's inner halo Astrophysical Journal. 694: 130-143. DOI: 10.1088/0004-637X/694/1/130 |
0.63 |
|
| 2009 |
Ludlow AD, Navarro JF, Springel V, Jenkins A, Frenk CS, Helmi A. The unorthodox orbits of substructure halos Astrophysical Journal. 692: 931-941. DOI: 10.1088/0004-637X/692/1/931 |
0.597 |
|
| 2009 |
Munari U, Siviero A, Bienaymé O, Binney J, Bland-Hawthorn J, Campbell R, Freeman KC, Fulbright JP, Gibson BK, Gilmore G, Grebel EK, Helmi A, Navarro JF, Parker QA, Reid W, et al. RAVE spectroscopy of luminous blue variables in the Large Magellanic Cloud Astronomy and Astrophysics. 503: 511-520. DOI: 10.1051/0004-6361/200912398 |
0.48 |
|
| 2009 |
Aoki W, Arimoto N, Sadakane K, Tolstoy E, Battaglia G, Jablonka P, Shetrone M, Letarte B, Irwin M, Hill V, Francois P, Venn K, Primas F, Helmi A, Kaufer A, et al. Chemical composition of extremely metal-poor stars in the Sextans dwarf spheroidal galaxy Astronomy and Astrophysics. 502: 569-578. DOI: 10.1051/0004-6361/200911959 |
0.61 |
|
| 2009 |
Revaz Y, Jablonka P, Sawala T, Hill V, Letarte B, Irwin M, Battaglia G, Helmi A, Shetrone MD, Tolstoy E, Venn KA. The dynamical and chemical evolution of dwarf spheroidal galaxies Astronomy and Astrophysics. 501: 189-206. DOI: 10.1051/0004-6361/200911734 |
0.637 |
|
| 2008 |
Springel V, White SD, Frenk CS, Navarro JF, Jenkins A, Vogelsberger M, Wang J, Ludlow A, Helmi A. Prospects for detecting supersymmetric dark matter in the Galactic halo. Nature. 456: 73-6. PMID 18987737 DOI: 10.1038/Nature07411 |
0.786 |
|
| 2008 |
Springel V, Wang J, Vogelsberger M, Ludlow A, Jenkins A, Helmi A, Navarro JF, Frenk CS, White SDM. The Aquarius Project: the subhaloes of galactic haloes Monthly Notices of the Royal Astronomical Society. 391: 1685-1711. DOI: 10.1111/J.1365-2966.2008.14066.X |
0.722 |
|
| 2008 |
Villalobos Á, Helmi A. Simulations of minor mergers - I. General properties of thick discs Monthly Notices of the Royal Astronomical Society. 391: 1806-1827. DOI: 10.1111/J.1365-2966.2008.13979.X |
0.606 |
|
| 2008 |
Siebert A, Bienaymé O, Binney J, Bland-Hawthorn J, Campbell R, Freeman KC, Gibson BK, Gilmore G, Grebel EK, Helmi A, Munari U, Navarro JF, Parker QA, Seabroke G, Siviero A, et al. Estimation of the tilt of the stellar velocity ellipsoid from RAVE and implications for mass models Monthly Notices of the Royal Astronomical Society. 391: 793-801. DOI: 10.1111/J.1365-2966.2008.13912.X |
0.568 |
|
| 2008 |
Lucia GD, Helmi A. The Galaxy and its stellar halo: insights on their formation from a hybrid cosmological approach Monthly Notices of the Royal Astronomical Society. 391: 14-31. DOI: 10.1111/J.1365-2966.2008.13862.X |
0.649 |
|
| 2008 |
Sales LV, Helmi A, Starkenburg E, Morrison HL, Engle E, Harding P, Mateo M, Olszewski EW, Sivarani T. On the genealogy of the Orphan Stream Monthly Notices of the Royal Astronomical Society. 389: 1391-1398. DOI: 10.1111/J.1365-2966.2008.13659.X |
0.612 |
|
| 2008 |
Li Y, Helmi A. Infall of substructures on to a Milky Way-like dark halo Monthly Notices of the Royal Astronomical Society. 385: 1365-1373. DOI: 10.1111/J.1365-2966.2008.12854.X |
0.552 |
|
| 2008 |
Vogelsberger M, White SDM, Helmi A, Springel V. The fine-grained phase-space structure of cold dark matter haloes Monthly Notices of the Royal Astronomical Society. 385: 236-254. DOI: 10.1111/J.1365-2966.2007.12746.X |
0.624 |
|
| 2008 |
Seabroke GM, Gilmore G, Siebert A, Bienaymé O, Binney J, Bland-Hawthorn J, Campbell R, Freeman KC, Gibson B, Grebel EK, Helmi A, Munari U, Navarro JF, Parker QA, Siviero A, et al. Is the sky falling? Searching for stellar streams in the local Milky Way disc in the CORAVEL and RAVE surveys Monthly Notices of the Royal Astronomical Society. 384: 11-32. DOI: 10.1111/J.1365-2966.2007.12513.X |
0.572 |
|
| 2008 |
Zwitter T, Siebert A, Munari U, Freeman KC, Siviero A, Watson FG, Fulbright JP, Wyse RFG, Campbell R, Seabroke GM, Williams M, Steinmetz M, Bienaymé O, Gilmore G, Grebel EK, ... Helmi A, et al. The radial velocity experiment (rave): Second data release Astronomical Journal. 136: 421-451. DOI: 10.1088/0004-6256/136/1/421 |
0.329 |
|
| 2008 |
Battaglia G, Helmi A, Tolstoy E, Irwin M, Hill V, Jablonka P. The Kinematic Status And Mass Content Of The Sculptor Dwarf Spheroidal Galaxy The Astrophysical Journal. 681. DOI: 10.1086/590179 |
0.567 |
|
| 2008 |
Munari U, Tomasella L, Fiorucci M, Bienaymé O, Binney J, Bland-Hawthorn J, Boeche C, Campbell R, Freeman KC, Gibson B, Gilmore G, Grebel EK, Helmi A, Navarro JF, Parker QA, et al. Diffuse interstellar bands in RAVE survey spectra Astronomy and Astrophysics. 488: 969-973. DOI: 10.1051/0004-6361:200810232 |
0.489 |
|
| 2008 |
Veltz L, Bienaymé O, Freeman KC, Binney J, Bland-Hawthorn J, Gibson BK, Gilmore G, Grebel EK, Helmi A, Munari U, Navarro JF, Parker QA, Seabroke GM, Siebert A, Steinmetz M, et al. Galactic kinematics with RAVE data Astronomy and Astrophysics. 480: 753-765. DOI: 10.1051/0004-6361:20066948 |
0.58 |
|
| 2008 |
De Lucia G, Helmi A. The Galaxy and its stellar halo - insights from a hybrid cosmological approach Proceedings of the International Astronomical Union. 4: 423-428. DOI: 10.1017/S1743921308027919 |
0.597 |
|
| 2008 |
Li Y, Helmi A. Group infall of substructures on to a Milky Way-like dark halo Proceedings of the International Astronomical Union. 4: 263-268. DOI: 10.1017/S1743921308027683 |
0.461 |
|
| 2008 |
Williams MEK, Freeman KC, Helmi A. The Arcturus Moving Group: Its Place in the Galaxy Arxiv: Astrophysics. 4: 139-144. DOI: 10.1017/S1743921308027518 |
0.563 |
|
| 2008 |
Battaglia G, Helmi A, Tolstoy E, Irwin M. The mass content of the Sculptor dwarf spheroidal galaxy Arxiv: Astrophysics. 4: 61-66. DOI: 10.1017/S1743921308027397 |
0.608 |
|
| 2008 |
Helmi A. The stellar halo of the Galaxy The Astronomy and Astrophysics Review. 15: 145-188. DOI: 10.1007/S00159-008-0009-6 |
0.633 |
|
| 2007 |
Battaglia G, Irwin M, Tolstoy E, Hill V, Helmi A, Letarte B, Jablonka P. Analysis and calibration of CaII triplet spectroscopy of red giant branch stars from VLT/FLAMES observations Monthly Notices of the Royal Astronomical Society. 383: 183-199. DOI: 10.1111/J.1365-2966.2007.12532.X |
0.49 |
|
| 2007 |
Smith MC, Ruchti GR, Helmi A, Wyse RFG, Fulbright JP, Freeman KC, Navarro JF, Seabroke GM, Steinmetz M, Williams M, Bienaymé O, Binney J, Bland-Hawthorn J, Dehnen W, Gibson BK, et al. The RAVE survey: Constraining the local Galactic escape speed Monthly Notices of the Royal Astronomical Society. 379: 755-772. DOI: 10.1111/J.1365-2966.2007.11964.X |
0.357 |
|
| 2007 |
Kepley AA, Morrison HL, Helmi A, Kinman TD, Van Duyne J, Martin JC, Harding P, Norris JE, Freeman KC. Halo star streams in the solar neighborhood Astronomical Journal. 134: 1579-1595. DOI: 10.1086/521429 |
0.585 |
|
| 2007 |
Ripamonti E, Tolstoy E, Helmi A, Battaglia G, Abel T. Numerical simulations of the metallicity distribution in dwarf spheroidal galaxies Eas Publications Series. 24: 15-20. DOI: 10.1051/Eas:2007051 |
0.728 |
|
| 2006 |
Battaglia G, Helmi A, Morrison H, Harding P, Olszewski EW, Mateo M, Freeman KC, Norris J, Shectman SA. Erratum: The radial velocity dispersion profile of the Galactic halo: constraining the density profile of the dark halo of the Milky Way Monthly Notices of the Royal Astronomical Society. 370: 1055-1056. DOI: 10.1111/J.1365-2966.2006.10688.X |
0.528 |
|
| 2006 |
Helmi A, Navarro JF, Nordström B, Holmberg J, Abadi MG, Steinmetz M. Pieces of the puzzle: Ancient substructure in the Galactic disc Monthly Notices of the Royal Astronomical Society. 365: 1309-1323. DOI: 10.1111/J.1365-2966.2005.09818.X |
0.639 |
|
| 2006 |
Helmi A, Irwin MJ, Tolstoy E, Battaglia G, Hill V, Jablonka P, Venn K, Shetrone M, Letarte B, Arimoto N, Abel T, Francois P, Kaufer A, Primas F, Sadakane K, et al. A new view of the dwarf spheroidal satellites of the Milky Way from VLT flames: Where are the very metal-poor stars? Astrophysical Journal. 651: L121-L124. DOI: 10.1086/509784 |
0.724 |
|
| 2006 |
Steinmetz M, Zwitter T, Siebert A, Watson FG, Freeman KC, Munari U, Campbell R, Williams M, Seabroke GM, Wyse RFG, Parker QA, Bienaymé O, Roeser S, Gibson BK, Gilmore G, ... ... Helmi A, et al. The radial velocity experiment (RAVE): First data release Astronomical Journal. 132: 1645-1668. DOI: 10.1086/506564 |
0.326 |
|
| 2006 |
Battaglia G, Tolstoy E, Helmi A, Irwin MJ, Letarte B, Jablonka P, Hill V, Venn KA, Shetrone MD, Arimoto N, Primas F, Kaufer A, Francois P, Szeifert T, Abell T, et al. The DART imaging and CaT survey of the Fornax dwarf spheroidal galaxy Astronomy and Astrophysics. 459: 423-440. DOI: 10.1051/0004-6361:20065720 |
0.644 |
|
| 2006 |
Battaglia G, Tolstoy E, Helmi A, Irwin M. Metallicities and kinematics for dwarf spheroidals in the local group Eso Astrophysics Symposia. 2006: 260-261. DOI: 10.1007/978-3-540-34136-9_85 |
0.374 |
|
| 2005 |
Battaglia G, Helmi A, Morrison H, Harding P, Olszewski EW, Mateo M, Freeman KC, Norris J, Shectman SA. The radial velocity dispersion profile of the Galactic halo: Constraining the density profile of the dark halo of the Milky Way Monthly Notices of the Royal Astronomical Society. 364: 433-442. DOI: 10.1111/J.1365-2966.2005.09367.X |
0.618 |
|
| 2005 |
Wilkinson MI, Vallenari A, Turon C, Munari U, Katz D, Bono G, Cropper M, Helmi A, Robichon N, Thévenin F, Vidrih S, Zwitter T, Arenou F, Baylac MO, Bertelli G, et al. Spectroscopic survey of the Galaxy with Gaia - II. The expected science yield from the Radial Velocity Spectrometer Monthly Notices of the Royal Astronomical Society. 359: 1306-1335. DOI: 10.1111/J.1365-2966.2005.09012.X |
0.623 |
|
| 2005 |
Fiorentin PR, Helmi A, Lattanzi MG, Spagna A. Structure in the motions of the fastest halo stars Astronomy and Astrophysics. 439: 551-558. DOI: 10.1051/0004-6361:20052911 |
0.583 |
|
| 2004 |
Katz D, Munari U, Cropper M, Zwitter T, Thévenin F, David M, Viala Y, Crifo F, Gomboc A, Royer F, Arenou F, Marrese P, Sordo R, Wilkinson M, Vallenari A, ... ... Helmi A, et al. Spectroscopic survey of the galaxy with Gaia - I. Design and performance of the radial velocity spectrometer Monthly Notices of the Royal Astronomical Society. 354: 1223-1238. DOI: 10.1111/J.1365-2966.2004.08282.X |
0.51 |
|
| 2004 |
Helmi A. Is the dark halo of our Galaxy spherical Monthly Notices of the Royal Astronomical Society. 351: 643-648. DOI: 10.1111/J.1365-2966.2004.07812.X |
0.623 |
|
| 2004 |
Tolstoy E, Irwin MJ, Helmi A, Battaglia G, Jablonka P, Hill V, Venn KA, Shetrone MD, Letarte B, Cole AA, Primas F, Francois P, Arimoto N, Sadakane K, Kaufer A, et al. Two distinct ancient components in the sculptor dwarf spheroidal galaxy: First results from the dwarf abundances and radial velocities team Astrophysical Journal. 617: L119-L122. DOI: 10.1086/427388 |
0.73 |
|
| 2004 |
Helmi A. Velocity Trends in the Debris of Sagittarius and the Shape of the Dark Matter Halo of Our Galaxy The Astrophysical Journal. 610. DOI: 10.1086/423340 |
0.643 |
|
| 2004 |
Navarro JF, Helmi A, Freeman KC. The Extragalactic Origin of the Arcturus Group The Astrophysical Journal. 601. DOI: 10.1086/381751 |
0.597 |
|
| 2004 |
Helmi A. On the Shape of the Galactic Dark Matter Halo Publications of the Astronomical Society of Australia. 21: 212-215. DOI: 10.1071/As04032 |
0.558 |
|
| 2004 |
Re Fiorentin P, Helmi A, Lattanzi MG, Spagna A. More evidence of substructure in the motions of nearby halo stars Proceedings of the International Astronomical Union. 2004. DOI: 10.1017/S1743921304001115 |
0.397 |
|
| 2003 |
Helmi A, Navarro JF, Meza A, Steinmetz M, Eke VR. On the nature of the ringlike structure in the outer Galactic disk Astrophysical Journal. 592. DOI: 10.1086/377364 |
0.658 |
|
| 2003 |
Morrison HL, Norris J, Mateo M, Harding P, Olszewski EW, Shectman SA, Dohm-Palmer RC, Helmi A, Freeman KC. Mapping the galactic halo. VI. Spectroscopic measures of luminosity and metallicity Astronomical Journal. 125: 2502-2520. DOI: 10.1086/374231 |
0.431 |
|
| 2003 |
Helmi A, Ivezić Z, Prada F, Pentericci L, Rockosi CM, Schneider DP, Grebel EK, Harbeck D, Lupton RH, Gunn JE, Knapp GR, Strauss MA, Brinkmann J. Selection of metal-poor giant stars using the sloan digital sky survey photometric system Astrophysical Journal. 586: 195-200. DOI: 10.1086/367536 |
0.607 |
|
| 2003 |
Helmi A, White SDM, Springel V. The phase-space structure of cold dark matter haloes : insights into the Galactic halo Monthly Notices of the Royal Astronomical Society. 339: 834-848. DOI: 10.1046/J.1365-8711.2003.06227.X |
0.608 |
|
| 2002 |
Helmi A, White SDM, Springel V. The phase-space structure of a dark-matter halo: Implications for dark-matter direct detection experiments Physical Review D. 66. DOI: 10.1103/Physrevd.66.063502 |
0.46 |
|
| 2002 |
Helmi A. Fossil structure in the galactic halo: Trying to reconstruct the formation history of the Milky Way Europhysics News. 33: 117-119. DOI: 10.1051/Epn:2002402 |
0.397 |
|
| 2002 |
Helmi A. Mapping the Galactic Halo Today and in the Future Eas Publications Series. 2: 273-275. DOI: 10.1051/Eas:2002026 |
0.434 |
|
| 2002 |
Helmi A, Tim de Zeeuw P. Mapping the substructure in the Galactic halo with the next generation of astrometric satellites Monthly Notices of the Royal Astronomical Society. 319: 657-665. DOI: 10.1046/J.1365-8711.2000.03895.X |
0.615 |
|
| 2002 |
Helmi A. Signatures of galaxy mergers in the Milky Way: Here, there and everywhere Astrophysics and Space Science. 281: 351-354. DOI: 10.1023/A:1019590831169 |
0.584 |
|
| 2001 |
Helmi A. Signs of galactic cannibalism. Nature. 412: 25-26. PMID 11452282 DOI: 10.1038/35083656 |
0.609 |
|
| 2001 |
Dohm-Palmer RC, Helmi A, Morrison H, Mateo M, Olszewski EW, Harding P, Freeman KC, Norris J, Shectman SA. Mapping the galactic halo. V. Sagittarius dwarf spheroidal tidal debris 60° from the main body Astrophysical Journal. 555: L37-L40. DOI: 10.1086/321734 |
0.602 |
|
| 2001 |
Helmi A, White SDM. Simple dynamical models of the Sagittarius dwarf galaxy Monthly Notices of the Royal Astronomical Society. 323: 529-536. DOI: 10.1046/J.1365-8711.2001.04238.X |
0.602 |
|
| 1999 |
Helmi A, White SDM. Building up the stellar halo of the Galaxy Monthly Notices of the Royal Astronomical Society. 307: 495-517. DOI: 10.1046/J.1365-8711.1999.02616.X |
0.653 |
|
| 1999 |
Cincotta PM, Helmi A, Méndez M, Núñez JA, Vucetich H. Astronomical time-series analysis—II. A search for periodicity using the Shannon entropy Monthly Notices of the Royal Astronomical Society. 302: 582-586. DOI: 10.1046/J.1365-8711.1999.02128.X |
0.303 |
|
| 1999 |
Helmi A, White SDM, de Zeeuw PT, Zhao H. Debris streams in the solar neighbourhood as relicts from the formation of the Milky Way Nature. 402: 53-55. DOI: 10.1038/46980 |
0.797 |
|
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