Christoffer Karoff - Publications

Affiliations: 
Physics and Astronomy Aarhus University, Aarhus, Denmark 

107 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Fogtmann-Schulz A, Baittinger C, Karoff C, Olsen J, Knudsen MF. CHANGES IN SOLAR ACTIVITY DURING THE WOLF MINIMUM—NEW INSIGHTS FROM A HIGH-RESOLUTION14C RECORD BASED ON DANISH OAK Radiocarbon. 63: 91-104. DOI: 10.1017/RDC.2020.126  0.703
2020 Fogtmann-Schulz A, Kudsk SGK, Adolphi F, Karoff C, Knudsen MF, Loader NJ, Muscheler R, Trant PLK, Østbø SM, Olsen J. BATCH PROCESSING OF TREE-RING SAMPLES FOR RADIOCARBON ANALYSIS Radiocarbon. 63: 77-89. DOI: 10.1017/RDC.2020.119  0.566
2019 Misios S, Gray LJ, Knudsen MF, Karoff C, Schmidt H, Haigh JD. Slowdown of the Walker circulation at solar cycle maximum. Proceedings of the National Academy of Sciences of the United States of America. 116: 7186-7191. PMID 30926659 DOI: 10.1073/Pnas.1815060116  0.71
2019 Santos ARG, Campante TL, Chaplin WJ, Cunha MS, Saders JLv, Karoff C, Metcalfe TS, Mathur S, García RA, Lund MN, Kiefer R, Aguirre VS, Davies GR, Howe R, Elsworth Y. Signatures of Magnetic Activity: On the Relation between Stellar Properties and p-mode Frequency Variations The Astrophysical Journal. 883: 65. DOI: 10.3847/1538-4357/Ab397A  0.371
2019 Karoff C, Metcalfe TS, Montet BT, Jannsen NE, Santos ARG, Nielsen MB, Chaplin WJ. Sounding stellar cycles with Kepler - III. Comparative analysis of chromospheric, photometric, and asteroseismic variability Monthly Notices of the Royal Astronomical Society. 485: 5096-5104. DOI: 10.1093/Mnras/Stz782  0.477
2019 Fogtmann‐Schulz A, Kudsk SGK, Trant PLK, Baittinger C, Karoff C, Olsen J, Knudsen MF. Variations in Solar Activity Across the Spörer Minimum Based on Radiocarbon in Danish Oak Geophysical Research Letters. 46: 8617-8623. DOI: 10.1029/2019Gl083537  0.75
2019 Kudsk SGK, Philippsen B, Baittinger C, Fogtmann-Schulz A, Knudsen MF, Karoff C, Olsen J. New Single-Year Radiocarbon Measurements Based on Danish oak Covering the Periods AD 692–790 and 966–1057 Radiocarbon. 62: 969-987. DOI: 10.1017/RDC.2019.107  0.622
2019 Hayakawa H, Willis DM, Hattori K, Notsu Y, Wild MN, Karoff C. Unaided-eye Sunspot Observations in 1769 November: A Comparison of Graphical Records in the East and the West Solar Physics. 294: 1-9. DOI: 10.1007/S11207-019-1488-5  0.424
2019 Karoff C, Jørgensen CS, Pavai VS, Arlt R. Christian Horrebow's Sunspot Observations - II. Construction of a Record of Sunspot Positions Solar Physics. 294: 78. DOI: 10.1007/S11207-019-1466-Y  0.472
2019 Jørgensen CS, Karoff C, Pavai VS, Arlt R. Christian Horrebow’s Sunspot Observations – I. Life and Published Writings Solar Physics. 294: 1-12. DOI: 10.1007/S11207-019-1465-Z  0.418
2018 Inceoglu F, Jeppesen JH, Kongstad P, Marcano NJH, Jacobsen RH, Karoff C. Using Machine Learning Methods to Forecast if Solar Flares Will Be Associated with CMEs and SEPs The Astrophysical Journal. 861: 128. DOI: 10.3847/1538-4357/Aac81E  0.761
2018 Karoff C, Metcalfe TS, Santos ÂRG, Montet BT, Isaacson H, Witzke V, Shapiro AI, Mathur S, Davies GR, Lund MN, Garcia RA, Brun AS, Salabert D, Avelino PP, Saders Jv, et al. The Influence of Metallicity on Stellar Differential Rotation and Magnetic Activity The Astrophysical Journal. 852: 46. DOI: 10.3847/1538-4357/Aaa026  0.731
2018 Kudsk SGK, Olsen J, Nielsen LN, Fogtmann-Schulz A, Knudsen MF, Karoff C. What Is the Carbon Origin of Early-Wood? Radiocarbon. 60: 1457-1464. DOI: 10.1017/Rdc.2018.97  0.644
2017 Grundahl F, Andersen MF, Christensen-Dalsgaard J, Antoci V, Kjeldsen H, Handberg R, Houdek G, Bedding TR, Pallé PL, Jessen-Hansen J, Aguirre VS, White TR, Frandsen S, Albrecht S, Andersen MI, ... ... Karoff C, et al. First Results from the Hertzsprung SONG Telescope: Asteroseismology of the G5 Subgiant StarμHerculis The Astrophysical Journal. 836: 142. DOI: 10.3847/1538-4357/836/1/142  0.363
2017 Inceoglu F, Simoniello R, Knudsen MF, Karoff C. Hemispheric progression of solar cycles in solar magnetic field data and its relation to the solar dynamo models Astronomy & Astrophysics. 601: A51. DOI: 10.1051/0004-6361/201629871  0.811
2017 White TR, Benomar O, Silva Aguirre V, Ball WH, Bedding TR, Chaplin WJ, Christensen-Dalsgaard J, Garcia RA, Gizon L, Stello D, Aigrain S, Antia HM, Appourchaux T, Bazot M, Campante TL, ... ... Karoff C, et al. Keplerobservations of the asteroseismic binary HD 176465 Astronomy & Astrophysics. 601: A82. DOI: 10.1051/0004-6361/201628706  0.425
2017 Karoff C. Strong Shear and High-Amplitude Activity Cycle in a Metal-Rich Solar Analogue Proceedings of the International Astronomical Union. 14: 104-105. DOI: 10.1017/S1743921318002326  0.486
2017 Fogtmann-Schulz A, Østbø SM, Nielsen SGB, Olsen J, Karoff C, Knudsen MF. Cosmic ray event in 994 C.E. recorded in radiocarbon from Danish oak Geophysical Research Letters. 44: 8621-8628. DOI: 10.1002/2017Gl074208  0.727
2016 Lundkvist MS, Kjeldsen H, Albrecht S, Davies GR, Basu S, Huber D, Justesen AB, Karoff C, Silva Aguirre V, Van Eylen V, Vang C, Arentoft T, Barclay T, Bedding TR, Campante TL, et al. Hot super-Earths stripped by their host stars. Nature Communications. 7: 11201. PMID 27062914 DOI: 10.1038/Ncomms11201  0.412
2016 Karoff C, Knudsen MF, De Cat P, Bonanno A, Fogtmann-Schulz A, Fu J, Frasca A, Inceoglu F, Olsen J, Zhang Y, Hou Y, Wang Y, Shi J, Zhang W. Observational evidence for enhanced magnetic activity of superflare stars. Nature Communications. 7: 11058. PMID 27009381 DOI: 10.1038/Ncomms11058  0.799
2016 Karoff C, Albrecht S, Bonanno A, Knudsen MF. Chromospheric Emission Of Planet Candidate Host Stars: A Way To Identify False Positives The Astrophysical Journal. 830. DOI: 10.3847/2041-8205/830/1/L7  0.638
2016 Guzik JA, Houdek G, Chaplin WJ, Smalley B, Kurtz DW, Gilliland RL, Mullally F, Rowe JF, Bryson ST, Still MD, Antoci V, Appourchaux T, Basu S, Bedding TR, Benomar O, ... ... Karoff C, et al. DETECTION OF SOLAR-LIKE OSCILLATIONS, OBSERVATIONAL CONSTRAINTS, AND STELLAR MODELS FORθCYG, THE BRIGHTEST STAR OBSERVED BY THEKEPLERMISSION The Astrophysical Journal. 831: 17. DOI: 10.3847/0004-637X/831/1/17  0.411
2016 Campante TL, Lund MN, Kuszlewicz JS, Davies GR, Chaplin WJ, Albrecht S, Winn JN, Bedding TR, Benomar O, Bossini D, Handberg R, Santos ARG, Van Eylen V, Basu S, Christensen-Dalsgaard J, ... ... Karoff C, et al. SPIN-ORBIT ALIGNMENT of EXOPLANET SYSTEMS: ENSEMBLE ANALYSIS USING ASTEROSEISMOLOGY Astrophysical Journal. 819. DOI: 10.3847/0004-637X/819/1/85  0.363
2016 Inceoglu F, Knudsen MF, Olsen J, Karoff C, Herren PA, Schwikowski M, Aldahan A, Possnert G. Corrigendum to "A continuous ice-core 10Be record from Mongolian mid-latitudes: Influences of solar variability and local climate" [Earth Planet. Sci. Lett. 437 (2016) 47-56] Earth and Planetary Science Letters. DOI: 10.1016/J.Epsl.2016.03.001  0.782
2016 Inceoglu F, Knudsen MF, Olsen J, Karoff C, Herren PA, Schwikowski M, Aldahan A, Possnert G. A continuous ice-core 10Be record from Mongolian mid-latitudes: Influences of solar variability and local climate Earth and Planetary Science Letters. 437: 47-56. DOI: 10.1016/J.Epsl.2016.01.006  0.785
2015 Davies GR, Silva Aguirre V, Bedding TR, Handberg R, Lund MN, Chaplin WJ, Huber D, White TR, Benomar O, Hekker S, Basu S, Campante TL, Christensen-Dalsgaard J, Elsworth Y, Karoff C, et al. Oscillation frequencies for 35 Kepler solar-type planet-hosting stars using Bayesian techniques and machine learning Monthly Notices of the Royal Astronomical Society. 456: 2183-2195. DOI: 10.1093/Mnras/Stv2593  0.392
2015 Silva Aguirre V, Davies GR, Basu S, Christensen-Dalsgaard J, Creevey O, Metcalfe TS, Bedding TR, Casagrande L, Handberg R, Lund MN, Nissen PE, Chaplin WJ, Huber D, Serenelli AM, Stello D, ... ... Karoff C, et al. Ages and fundamental properties of Kepler exoplanet host stars from asteroseismology Monthly Notices of the Royal Astronomical Society. 452: 2127-2148. DOI: 10.1093/Mnras/Stv1388  0.384
2015 De Cat P, Fu JN, Ren AB, Yang XH, Shi JR, Luo AL, Yang M, Wang JL, Zhang HT, Shi HM, Zhang W, Dong S, Catanzaro G, Corbally CJ, Frasca A, ... ... Karoff C, et al. Lamost observations in the Kepler field. I. Database of low-resolution spectra Astrophysical Journal, Supplement Series. 220. DOI: 10.1088/0067-0049/220/1/19  0.394
2015 Quinn SN, White TR, Latham DW, Chaplin WJ, Handberg R, Huber D, Kipping DM, Payne MJ, Jiang C, Aguirre VS, Stello D, Sliski DH, Ciardi DR, Buchhave LA, Bedding TR, ... ... Karoff C, et al. Kepler-432: A red giant interacting with one of its two long-period giant planets Astrophysical Journal. 803. DOI: 10.1088/0004-637X/803/2/49  0.378
2015 Campante TL, Barclay T, Swift JJ, Huber D, Adibekyan VZ, Cochran W, Burke CJ, Isaacson H, Quintana EV, Davies GR, Aguirre VS, Ragozzine D, Riddle R, Baranec C, Basu S, ... ... Karoff C, et al. An ancient extrasolar system with five sub-earth-size planets Astrophysical Journal. 799. DOI: 10.1088/0004-637X/799/2/170  0.4
2015 Chaplin WJ, Lund MN, Handberg R, Basu S, Buchhave LA, Campante TL, Davies GR, Huber D, Latham DW, Latham CA, Serenelli A, Antia HM, Appourchaux T, Ball WH, Benomar O, ... ... Karoff C, et al. Asteroseismology of Solar-Type Stars with K2: Detection of oscillations in C1 Data Publications of the Astronomical Society of the Pacific. 127: 1038-1044. DOI: 10.1086/683103  0.396
2015 Simoniello R, Karoff C, Metcalfe TS. Can beating between different dynamo modes explain multiple magnetic cycles in solar - type stars Epj Web of Conferences. 101: 06058. DOI: 10.1051/EPJCONF/201510106058  0.34
2015 Campante TL, Barclay T, Swift JJ, Huber D, Adibekyan VZ, Cochran W, Burke CJ, Isaacson H, Quintana EV, Davies GR, Silva Aguirre V, Ragozzine D, Riddle R, Baranec C, Basu S, ... ... Karoff C, et al. KOI-3158: The oldest known system of terrestrial-size planets Epj Web of Conferences. 101. DOI: 10.1051/Epjconf/201510102004  0.391
2015 Karoff C, Inceoglu F, Knudsen MF, Olsen J, Fogtmann-Schulz A. The lost sunspot cycle: New support from 10Be measurements Astronomy and Astrophysics. 575. DOI: 10.1051/0004-6361/201424927  0.796
2015 Inceoglu F, Simoniello R, Knudsen MF, Karoff C, Olsen J, Turck-Chiéze S, Jacobsen BH. Grand solar minima and maxima deduced from <sup>10</sup> Be and <sup>14</sup> C: Magnetic dynamo configuration and polarity reversal Astronomy and Astrophysics. 577. DOI: 10.1051/0004-6361/201424212  0.801
2015 Inceoglu F, Simoniello R, Knudsen MF, Karoff C, Olsen J, Turck-Chièze S. On the Current Solar Magnetic Activity in the Light of Its Behaviour During the Holocene Solar Physics. 1-13. DOI: 10.1007/S11207-015-0805-X  0.79
2014 Karoff C, Metcalfe TS, Chaplin WJ, Frandsen S, Grundahl F, Kjeldsen H, Christensen-Dalsgaard J, Nielsen M, Frimann S, Thygesen AO, Arentoft T, Amby TM, Sousa SG, Buzasi DL. Erratum: Sounding stellar cycles with Kepler – II. Ground-based observations Monthly Notices of the Royal Astronomical Society. 446: 1139-1139. DOI: 10.1093/Mnras/Stu2114  0.328
2014 Karoff C. Comparison Of Photometric Variability Before And After Stellar Flares The Astrophysical Journal. 781. DOI: 10.1088/2041-8205/781/1/L22  0.444
2014 Metcalfe TS, Creevey OL, Doʇan G, Mathur S, Xu H, Bedding TR, Chaplin WJ, Christensen-Dalsgaard J, Karoff C, Trampedach R, Benomar O, Brown BP, Buzasi DL, Campante TL, Çelik Z, et al. Properties of 42 solar-type Kepler targets from the asteroseismic modeling portal Astrophysical Journal, Supplement Series. 214. DOI: 10.1088/0067-0049/214/2/27  0.426
2014 Marcy GW, Isaacson H, Howard AW, Rowe JF, Jenkins JM, Bryson ST, Latham DW, Howell SB, Gautier TN, Batalha NM, Rogers L, Ciardi D, Fischer DA, Gilliland RL, Kjeldsen H, ... ... Karoff C, et al. Masses, radii, and orbits of small Kepler planets: The transition from gaseous to rocky planets Astrophysical Journal, Supplement Series. 210. DOI: 10.1088/0067-0049/210/2/20  0.37
2014 Chaplin WJ, Basu S, Huber D, Serenelli A, Casagrande L, Silva Aguirre V, Ball WH, Creevey OL, Gizon L, Handberg R, Karoff C, Lutz R, Marques JP, Miglio A, Stello D, et al. Asteroseismic fundamental properties of solar-type stars observed by the NASA Kepler mission Astrophysical Journal, Supplement Series. 210. DOI: 10.1088/0067-0049/210/1/1  0.429
2014 Ballard S, Chaplin WJ, Charbonneau D, Désert JM, Fressin F, Zeng L, Werner MW, Davies GR, Aguirre VS, Basu S, Christensen-Dalsgaard J, Metcalfe TS, Stello D, Bedding TR, Campante TL, ... ... Karoff C, et al. Kepler-93b: A terrestrial world measured to within 120 km, and A test case for a new Spitzer observing mode Astrophysical Journal. 790. DOI: 10.1088/0004-637X/790/1/12  0.324
2014 Campante TL, Chaplin WJ, Lund MN, Huber D, Hekker S, García RA, Corsaro E, Handberg R, Miglio A, Arentoft T, Basu S, Bedding TR, Christensen-Dalsgaard J, Davies GR, Elsworth YP, ... ... Karoff C, et al. Limits on surface gravities of kepler planet-candidate host stars from non-detection of solar-like oscillations Astrophysical Journal. 783. DOI: 10.1088/0004-637X/783/2/123  0.491
2014 Bonanno A, Corsaro E, Karoff C. Asteroseismic stellar activity relations Astronomy and Astrophysics. 571. DOI: 10.1051/0004-6361/201424632  0.404
2014 Bonanno A, Fröhlich HE, Karoff C, Lund MN, Corsaro E, Frasca A. Magnetic activity, differential rotation, and dynamo action in the pulsating F9IV star KIC 5955122 Astronomy and Astrophysics. 569. DOI: 10.1051/0004-6361/201424371  0.429
2014 Lund MN, Lundkvist M, Aguirre VS, Houdek G, Casagrande L, Van Eylen V, Campante TL, Karoff C, Kjeldsen H, Albrecht S, Chaplin WJ, Nielsen MB, Degroote P, Davies GR, Handberg R. Asteroseismic inference on the spin-orbit misalignment and stellar parameters of HAT-P-7 Astronomy and Astrophysics. 570. DOI: 10.1051/0004-6361/201424326  0.385
2014 Kallinger T, De Ridder J, Hekker S, Mathur S, Mosser B, Gruberbauer M, García RA, Karoff C, Ballot J. The connection between stellar granulation and oscillation as seen by the Kepler mission Astronomy and Astrophysics. 570. DOI: 10.1051/0004-6361/201424313  0.4
2014 García RA, Ceillier T, Salabert D, Mathur S, Van Saders JL, Pinsonneault M, Ballot J, Beck PG, Bloemen S, Campante TL, Davies GR, Do Nascimento JD, Mathis S, Metcalfe TS, Nielsen MB, ... ... Karoff C, et al. Rotation and magnetism of Kepler pulsating solar-like stars: Towards asteroseismically calibrated age-rotation relations Astronomy and Astrophysics. 572. DOI: 10.1051/0004-6361/201423888  0.419
2014 Inceoglu F, Knudsen MF, Karoff C, Olsen J. Reconstruction of subdecadal changes in sunspot numbers based on the NGRIP10be record Solar Physics. 289: 4377-4392. DOI: 10.1007/S11207-014-0563-1  0.801
2014 Inceoglu F, Knudsen MF, Karoff C, Olsen J. Modeling the Relationship Between Neutron Counting Rates and Sunspot Numbers Using the Hysteresis Effect Solar Physics. 289: 1387-1402. DOI: 10.1007/S11207-013-0391-8  0.792
2013 Huber D, Carter JA, Barbieri M, Miglio A, Deck KM, Fabrycky DC, Montet BT, Buchhave LA, Chaplin WJ, Hekker S, Montalbán J, Sanchis-Ojeda R, Basu S, Bedding TR, Campante TL, ... ... Karoff C, et al. Stellar spin-orbit misalignment in a multiplanet system. Science (New York, N.Y.). 342: 331-4. PMID 24136961 DOI: 10.1126/Science.1242066  0.371
2013 Barclay T, Rowe JF, Lissauer JJ, Huber D, Fressin F, Howell SB, Bryson ST, Chaplin WJ, Désert JM, Lopez ED, Marcy GW, Mullally F, Ragozzine D, Torres G, Adams ER, ... ... Karoff C, et al. A sub-Mercury-sized exoplanet. Nature. 494: 452-4. PMID 23426260 DOI: 10.1038/Nature11914  0.385
2013 Karoff C, Metcalfe TS, Chaplin WJ, Frandsen S, Grundahl F, Kjeldsen H, Christensen-Dalsgaard J, Nielsen MB, Frimann S, Thygesen AO, Arentoft T, Amby TM, Sousa SG, Buzasi DL. Sounding stellar cycles with Kepler - II. ground-based observations Monthly Notices of the Royal Astronomical Society. 433: 3227-3238. DOI: 10.1093/Mnras/Stt964  0.408
2013 Huber D, Chaplin WJ, Christensen-Dalsgaard J, Gilliland RL, Kjeldsen H, Buchhave LA, Fischer DA, Lissauer JJ, Rowe JF, Sanchis-Ojeda R, Basu S, Handberg R, Hekker S, Howard AW, Isaacson H, ... Karoff C, et al. Fundamental properties of kepler planet-candidate host stars using asteroseismology Astrophysical Journal. 767. DOI: 10.1088/0004-637X/767/2/127  0.381
2013 Karoff C, Campante TL, Ballot J, Kallinger T, Gruberbauer M, García RA, Caldwell DA, Christiansen JL, Kinemuchi K. Observations of intensity fluctuations attributed to granulation and faculae on sun-like stars from the kepler mission Astrophysical Journal. 767. DOI: 10.1088/0004-637X/767/1/34  0.409
2013 Chaplin WJ, Sanchis-Ojeda R, Campante TL, Handberg R, Stello D, Winn JN, Basu S, Christensen-Dalsgaard J, Davies GR, Metcalfe TS, Buchhave LA, Fischer DA, Bedding TR, Cochran WD, Elsworth Y, ... ... Karoff C, et al. Asteroseismic determination of obliquities of the exoplanet systems kepler-50 and kepler-65 Astrophysical Journal. 766. DOI: 10.1088/0004-637X/766/2/101  0.4
2013 Gilliland RL, Marcy GW, Rowe JF, Rogers L, Torres G, Fressin F, Lopez ED, Buchhave LA, Christensen-Dalsgaard J, Désert JM, Henze CE, Isaacson H, Jenkins JM, Lissauer JJ, Chaplin WJ, ... ... Karoff C, et al. Kepler-68: Three planets, one with a density between that of earth and ice giants Astrophysical Journal. 766. DOI: 10.1088/0004-637X/766/1/40  0.311
2013 Doǧan G, Metcalfe TS, Deheuvels S, Di Mauro MP, Eggenberger P, Creevey OL, Monteiro MJPFG, Pinsonneault M, Frasca A, Karoff C, Mathur S, Sousa SG, Brandão IM, Campante TL, Handberg R, et al. Characterizing Two Solar-Type Kepler Subgiants with Asteroseismology: KIC 10920273 and KIC 11395018 Astrophysical Journal. 763. DOI: 10.1088/0004-637X/763/1/49  0.445
2013 Nielsen MB, Gizon L, Schunker H, Karoff C. Rotation periods of 12 000 main-sequence Kepler stars: Dependence on stellar spectral type and comparison with v sin i observations Astronomy and Astrophysics. 557. DOI: 10.1051/0004-6361/201321912  0.411
2012 Bruntt H, Basu S, Smalley B, Chaplin WJ, Verner GA, Bedding TR, Catala C, Gazzano JC, Molenda-Zakowicz J, Thygesen AO, Uytterhoeven K, Hekker S, Huber D, Karoff C, Mathur S, et al. Accurate fundamental parameters and detailed abundance patterns from spectroscopy of 93 solar-type Kepler targets Monthly Notices of the Royal Astronomical Society. 423: 122-131. DOI: 10.1111/J.1365-2966.2012.20686.X  0.354
2012 Karoff C. Temporal variations in the acoustic signal from faculae Monthly Notices of the Royal Astronomical Society. 421: 3170-3179. DOI: 10.1111/J.1365-2966.2012.20542.X  0.394
2012 Bonaca A, Tanner JD, Basu S, Chaplin WJ, Metcalfe TS, Monteiro MJPFG, Ballot J, Bedding TR, Bonanno A, Broomhall AM, Bruntt H, Campante TL, Christensen-Dalsgaard J, Corsaro E, Elsworth Y, ... ... Karoff C, et al. Calibrating convective properties of solar-like stars in the Kepler field of view Astrophysical Journal Letters. 755. DOI: 10.1088/2041-8205/755/1/L12  0.392
2012 Metcalfe TS, Chaplin WJ, Appourchaux T, García RA, Basu S, Brandão I, Creevey OL, Deheuvels S, Doan G, Eggenberger P, Karoff C, Miglio A, Stello D, Yildiz M, Elik Z, et al. Asteroseismology of the solar analogs 16 Cyg A and B from Kepler observations Astrophysical Journal Letters. 748. DOI: 10.1088/2041-8205/748/1/L10  0.466
2012 Mathur S, Metcalfe TS, Woitaszek M, Bruntt H, Verner GA, Christensen-Dalsgaard J, Creevey OL, Dogan G, Basu S, Karoff C, Stello D, Appourchaux T, Campante TL, Chaplin WJ, García RA, et al. A uniform asteroseismic analysis of 22 solar-type stars observed by Kepler Astrophysical Journal. 749. DOI: 10.1088/0004-637X/749/2/152  0.446
2012 Howell SB, Rowe JF, Bryson ST, Quinn SN, Marcy GW, Isaacson H, Ciardi DR, Chaplin WJ, Metcalfe TS, Monteiro MJPFG, Appourchaux T, Basu S, Creevey OL, Gilliland RL, Quirion PO, ... ... Karoff C, et al. KEPLER-21b: A 1.6 REarth planet transiting the bright oscillating F subgiant star HD179070 Astrophysical Journal. 746. DOI: 10.1088/0004-637X/746/2/123  0.4
2012 Borucki WJ, Koch DG, Batalha N, Bryson ST, Rowe J, Fressin F, Torres G, Caldwell DA, Christensen-Dalsgaard J, Cochran WD, Devore E, Gautier TN, Geary JC, Gilliland R, Gould A, ... ... Karoff C, et al. Kepler-22b: A 2.4 earth-radius planet in the habitable zone of a sun-like star Astrophysical Journal. 745. DOI: 10.1088/0004-637X/745/2/120  0.382
2012 Thygesen AO, Frandsen S, Bruntt H, Kallinger T, Andersen MF, Elsworth YP, Hekker S, Karoff C, Stello D, Brogaard K, Burke CJ, Caldwell DA, Christiansen JL. Atmospheric parameters of 82 red giants in the Kepler field Astronomy and Astrophysics. 543. DOI: 10.1051/0004-6361/201219237  0.316
2012 Creevey OL, Doǧan G, Frasca A, Thygesen AO, Basu S, Bhattacharya J, Biazzo K, Brandão IM, Bruntt H, Mazumdar A, Niemczura E, Shrotriya T, Sousa SG, Stello D, Subramaniam A, ... ... Karoff C, et al. Fundamental properties of five Kepler stars using global asteroseismic quantities and ground-based observations Astronomy and Astrophysics. 537. DOI: 10.1051/0004-6361/201117037  0.439
2012 Valliappan SP, Karoff C. Is one month of observations enough? A case study on Kepler‐21 Astronomische Nachrichten. 333: 987-990. DOI: 10.1002/Asna.201211831  0.375
2012 Nielsen MB, Karoff C. Starspot simulations for Kepler Astronomische Nachrichten. 333: 1036-1039. DOI: 10.1002/Asna.201211817  0.365
2011 Chaplin WJ, Kjeldsen H, Christensen-Dalsgaard J, Basu S, Miglio A, Appourchaux T, Bedding TR, Elsworth Y, García RA, Gilliland RL, Girardi L, Houdek G, Karoff C, Kawaler SD, Metcalfe TS, et al. Ensemble asteroseismology of solar-type stars with the NASA Kepler mission. Science (New York, N.Y.). 332: 213-6. PMID 21474754 DOI: 10.1126/Science.1201827  0.457
2011 Verner GA, Elsworth Y, Chaplin WJ, Campante TL, Corsaro E, Gaulme P, Hekker S, Huber D, Karoff C, Mathur S, Mosser B, Appourchaux T, Ballot J, Bedding TR, Bonanno A, et al. Global asteroseismic properties of solar-like oscillations observed by Kepler: A comparison of complementary analysis methods Monthly Notices of the Royal Astronomical Society. 415: 3539-3551. DOI: 10.1111/J.1365-2966.2011.18968.X  0.463
2011 Goss KJF, Karoff C, Chaplin WJ, Elsworth Y, Stevens IR. Variations of the amplitudes of oscillation of the Be star Achernar Monthly Notices of the Royal Astronomical Society. 411: 162-166. DOI: 10.1111/J.1365-2966.2010.17665.X  0.399
2011 White TR, Bedding TR, Stello D, Appourchaux T, Ballot J, Benomar O, Bonanno A, Broomhall AM, Campante TL, Chaplin WJ, Christensen-Dalsgaard J, Corsaro E, Doǧan G, Elsworth YP, Fletcher ST, ... ... Karoff C, et al. Asteroseismic diagrams from a survey of solar-like oscillations with Kepler Astrophysical Journal Letters. 742. DOI: 10.1088/2041-8205/742/1/L3  0.472
2011 Silva Aguirre V, Chaplin WJ, Ballot J, Basu S, Bedding TR, Serenelli AM, Verner GA, Miglio A, Monteiro MJPFG, Weiss A, Appourchaux T, Bonanno A, Broomhall AM, Bruntt H, Campante TL, ... ... Karoff C, et al. Constructing a one-solar-mass evolutionary sequence using asteroseismic data from Kepler Astrophysical Journal Letters. 740. DOI: 10.1088/2041-8205/740/1/L2  0.477
2011 Verner GA, Chaplin WJ, Basu S, Brown TM, Hekker S, Huber D, Karoff C, Mathur S, Metcalfe TS, Mosser B, Quirion PO, Appourchaux T, Bedding TR, Bruntt H, Campante TL, et al. Verification of the kepler input catalog from asteroseismology of solar-type stars Astrophysical Journal Letters. 738. DOI: 10.1088/2041-8205/738/2/L28  0.393
2011 Chaplin WJ, Bedding TR, Bonanno A, Broomhall AM, García RA, Hekker S, Huber D, Verner GA, Basu S, Elsworth Y, Houdek G, Mathur S, Mosser B, New R, Stevens IR, ... ... Karoff C, et al. Evidence for the impact of stellar activity on the detectability of solar-like oscillations observed by Kepler Astrophysical Journal Letters. 732. DOI: 10.1088/2041-8205/732/1/L5  0.505
2011 Jiang C, Jiang BW, Christensen-Dalsgaard J, Bedding TR, Stello D, Huber D, Frandsen S, Kjeldsen H, Karoff C, Mosser B, Demarque P, Fanelli MN, Kinemuchi K, Mullally F. Modeling Kepler observations of solar-like oscillations in the red giant star HD 186355 Astrophysical Journal. 742. DOI: 10.1088/0004-637X/742/2/120  0.424
2011 Mathur S, Handberg R, Campante TL, García RA, Appourchaux T, Bedding TR, Mosser B, Chaplin WJ, Ballot J, Benomar O, Bonanno A, Corsaro E, Gaulme P, Hekker S, Régulo C, ... ... Karoff C, et al. Solar-like oscillations in KIC 11395018 and KIC 11234888 from 8 months of Kepler data Astrophysical Journal. 733. DOI: 10.1088/0004-637X/733/2/95  0.401
2011 Chaplin WJ, Kjeldsen H, Bedding TR, Christensen-Dalsgaard J, Gilliland RL, Kawaler SD, Appourchaux T, Elsworth Y, García RA, Houdek G, Karoff C, Metcalfe TS, Molenda-Akowicz J, Monteiro MJPFG, Thompson MJ, et al. Predicting the detectability of oscillations in solar-type stars observed by Kepler Astrophysical Journal. 732. DOI: 10.1088/0004-637X/732/1/54  0.455
2011 Campante TL, Handberg R, Mathur S, Appourchaux T, Bedding TR, Chaplin WJ, García RA, Mosser B, Benomar O, Bonanno A, Corsaro E, Fletcher ST, Gaulme P, Hekker S, Karoff C, et al. Asteroseismology from multi-month kepler photometry: The evolved sun-like stars KIC 10273246 and KIC 10920273 Astronomy and Astrophysics. 534. DOI: 10.1051/0004-6361/201116620  0.401
2010 Campante TL, Karoff C, Chaplin WJ, Elsworth YP, Handberg R, Hekker S. Modelling the autocovariance of the power spectrum of a solar‐type oscillator Monthly Notices of the Royal Astronomical Society. 408: 542-550. DOI: 10.1111/J.1365-2966.2010.17141.X  0.422
2010 Stello D, Basu S, Bruntt H, Mosser B, Stevens IR, Brown TM, Christensen-Dalsgaard J, Gilliland RL, Kjeldsen H, Arentoft T, Ballot J, Barban C, Bedding TR, Chaplin WJ, Elsworth YP, ... ... Karoff C, et al. Detection of solar-like oscillations from kepler photometry of the open cluster NGC 6819 Astrophysical Journal Letters. 713: L182-L186. DOI: 10.1088/2041-8205/713/2/L182  0.366
2010 Bedding TR, Huber D, Stello D, Elsworth YP, Hekker S, Kallinger T, Mathur S, Mosser B, Preston HL, Ballot J, Barban C, Broomhall AM, Buzasi DL, Chaplin WJ, García RA, ... ... Karoff C, et al. Solar-like oscillations in low-luminosity red giants: First results from kepler Astrophysical Journal Letters. 713: L176-L181. DOI: 10.1088/2041-8205/713/2/L176  0.422
2010 Chaplin WJ, Appourchaux T, Elsworth Y, García RA, Houdek G, Karoff C, Metcalfe TS, Molenda-Akowicz J, Monteiro MJPFG, Thompson MJ, Brown TM, Christensen-Dalsgaard J, Gilliland RL, Kjeldsen H, Borucki WJ, et al. The asteroseismic potential of kepler: First results for solar-type stars Astrophysical Journal Letters. 713: L169-L175. DOI: 10.1088/2041-8205/713/2/L169  0.461
2010 Metcalfe TS, Monteiro MJPFG, Thompson MJ, Molenda-Zakowicz J, Appourchaux T, Chaplin WJ, Doǧan G, Eggenberger P, Bedding TR, Bruntt H, Creevey OL, Quirion PO, Stello D, Bonanno A, Silva Aguirre V, ... ... Karoff C, et al. A precise asteroseismic age and radius for the evolved sun-like star KIC 11026764 Astrophysical Journal. 723: 1583-1598. DOI: 10.1088/0004-637X/723/2/1583  0.456
2010 Bedding TR, Kjeldsen H, Campante TL, Appourchaux T, Bonanno A, Chaplin WJ, Garcia RA, Martić M, Mosser B, Butler RP, Bruntt H, Kiss LL, O'Toole SJ, Kambe E, Ando H, ... ... Karoff C, et al. A multi-site campaign to measure solar-like oscillations in Procyon. II. mode frequencies Astrophysical Journal. 713: 935-949. DOI: 10.1088/0004-637X/713/2/935  0.384
2010 Mathur S, García RA, Catala C, Bruntt H, Mosser B, Appourchaux T, Ballot J, Creevey OL, Gaulme P, Hekker S, Huber D, Karoff C, Piau L, Régulo C, Roxburgh IW, et al. The solar-like CoRoT target HD 170987: Spectroscopic and seismic observations Astronomy and Astrophysics. 518. DOI: 10.1051/0004-6361/201014103  0.437
2010 Stello D, Basu S, Bedding TR, Brogaard K, Bruntt H, Chaplin WJ, Christensen-Dalsgaard J, Demarque P, Elsworth YP, García RA, Gilliland RL, Hekker S, Huber D, Karoff C, Kjeldsen H, et al. Solar-like oscillations in cluster stars Astronomische Nachrichten. 331: 985-988. DOI: 10.1002/Asna.201011442  0.399
2010 Molenda-Żakowicz J, Bruntt H, Sousa S, Frasca A, Biazzo K, Huber D, Ireland M, Bedding T, Stello D, Uytterhoeven K, Dreizler S, Cat PD, Briquet M, Catanzaro G, Karoff C, et al. Asteroseismology of solar-type stars with Kepler: III. Ground-based data Astronomische Nachrichten. 331: 981-984. DOI: 10.1002/Asna.201011440  0.427
2010 Metcalfe TS, Monteiro MJPFG, Thompson MJ, Chaplin WJ, Basu S, Bonanno A, Di Mauro MP, Doǧan G, Eggenberger P, Karoff C, Stello D. Asteroseismology of solar-type stars with Kepler: II. Stellar modeling Astronomische Nachrichten. 331: 977-980. DOI: 10.1002/Asna.201011439  0.432
2010 Karoff C, Chaplin WJ, Appourchaux T, Elsworth Y, Garcia RA, Houdek G, Metcalfe TS, Molenda-ZAkowicz J, Monteiro MJPFG, Thompson MJ, Christensen-Dalsgaard J, Gilliland RL, Kjeldsen H, Basu S, Bedding TR, et al. Asteroseismology of solar-type stars with Kepler I: Data analysis Astronomische Nachrichten. 331: 972-976. DOI: 10.1002/Asna.201011438  0.457
2009 Karoff C, Metcalfe TS, Chaplin WJ, Elsworth Y, Kjeldsen H, Arentoft T, Buzasi D. Sounding stellar cycles with Kepler – I. Strategy for selecting targets Monthly Notices of the Royal Astronomical Society. 399: 914-923. DOI: 10.1111/J.1365-2966.2009.15323.X  0.494
2009 Chaplin WJ, Houdek G, Karoff C, Elsworth Y, New R. Mode lifetimes of stellar oscillations - Implications for asteroseismology Astronomy and Astrophysics. 500. DOI: 10.1051/0004-6361/200911952  0.375
2009 Karoff C, Metcalfe TS, Chaplin WJ, Frandsen S, Grundahl F, Kjeldsen H, Buzasi D, Arentoft T, Christensen-Dalsgaard J. Sounding stellar cycles with Kepler – preliminary results from ground-based chromospheric activity measurements Proceedings of the International Astronomical Union. 5: 57-59. DOI: 10.1017/S1743921309992353  0.45
2008 Karoff C, Arentoft T, Glowienka L, Coutures C, Nielsen TB, Dogan G, Grundahl F, Kjeldsen H. SPB stars in the open SMC cluster NGC 371 Monthly Notices of the Royal Astronomical Society. 386: 1085-1091. DOI: 10.1111/J.1365-2966.2008.13105.X  0.396
2008 Hekker S, Arentoft T, Kjeldsen H, Bedding TR, Christensen-Dalsgaard J, Reffert S, Bruntt H, Butler RP, Kiss LL, O'Toole SJ, Kambe E, Ando H, Izumiura H, Sato B, Hartmann M, ... ... Karoff C, et al. Oscillations in Procyon A: First results from a multi-site campaign Journal of Physics: Conference Series. 118. DOI: 10.1088/1742-6596/118/1/012059  0.415
2008 Arentoft T, Kjeldsen H, Bedding TR, Bazot M, Christensen-Dalsgaard J, Dall TH, Karoff C, Carrier F, Eggenberger P, Sosnowska D, Wittenmyer RA, Endl M, Metcalfe TS, Hekker S, Reffert S, et al. A multisite campaign to measure solar-like oscillations in procyon. I. Observations, data reduction, and slow variations Astrophysical Journal. 687: 1180-1190. DOI: 10.1086/592040  0.47
2008 Kjeldsen H, Bedding TR, Arentoft T, Butler RP, Dall TH, Karoff C, Kiss LL, Tinney CG, Chaplin WJ. The Amplitude of Solar Oscillations Using Stellar Techniques The Astrophysical Journal. 682: 1370-1375. DOI: 10.1086/589142  0.465
2008 Karoff C, Kjeldsen H. Evidence that solar flares drive global oscillations in the Sun The Astrophysical Journal. 678. DOI: 10.1086/588466  0.443
2008 Teixeira TC, Kjeldsen H, Bedding TR, Bouchy F, Christensen-Dalsgaard J, Cunha MS, Dall T, Frandsen S, Karoff C, Monteiro MJPFG, Pijpers FP. Solar-like oscillations in the G8 V star τ Ceti Astronomy & Astrophysics. 494: 237-242. DOI: 10.1051/0004-6361:200810746  0.423
2007 Karoff C. Detection of p-mode oscillations in β Hydri from photometric observations with WIRE Communications in Asteroseismology. 150: 147-148. DOI: 10.1553/Cia150S147  0.359
2007 Karoff C. High-frequency interference peaks in solar-like stars Communications in Asteroseismology. 150: 145-146. DOI: 10.1553/Cia150S145  0.381
2007 Karoff C. High‐frequency modes in solar‐like stars Monthly Notices of the Royal Astronomical Society. 381: 1001-1008. DOI: 10.1111/J.1365-2966.2007.12340.X  0.309
2007 Kabath P, Eigmüller P, Erikson A, Hedelt P, Rauer H, Titz R, Wiese T, Karoff C. Characterization of COROT Target Fields with BEST: Identification of Periodic Variable Stars in the IR01 Field The Astronomical Journal. 134: 1560-1569. DOI: 10.1086/521554  0.372
2007 Karoff C, Rauer H, Erikson A, Voss H, Kabath P, Wiese T, Deleuil M, Moutou C, Meunier JC, Deeg H. Identification of Variable Stars in CoRoT's First Main Observing Field (LRc1) The Astronomical Journal. 134: 766-777. DOI: 10.1086/519524  0.41
2007 Bedding TR, Kjeldsen H, Arentoft T, Bouchy F, Brandbyge J, Brewer BJ, Butler RP, Christensen-Dalsgaard J, Dall T, Frandsen S, Karoff C, Kiss LL, Monteiro MJPFG, Pijpers FP, Teixeira TC, et al. Solar-like oscillations in the G2 subgiant β hydri from dual-site observations Astrophysical Journal. 663: 1315-1324. DOI: 10.1086/518593  0.411
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