| Year |
Citation |
Score |
| 2015 |
Ramakrishnan V, Hovatta T, Nieppola E, Tornikoski M, Lähteenmäki A, Valtaoja E. Locating the γ -ray emission site in Fermi/LAT blazars from correlation analysis between 37 GHz radio and γ -ray light curves Monthly Notices of the Royal Astronomical Society. 452: 1280-1294. DOI: 10.1093/Mnras/Stv321 |
0.815 |
|
| 2014 |
Ramakrishnan V, León-Tavares J, Rastorgueva-Foi EA, Wiik K, Jorstad SG, Marscher AP, Tornikoski M, Agudo I, Lähteenmäki A, Valtaoja E, Aller MF, Blinov DA, Casadio C, Efimova NV, Gurwell MA, et al. The connection between the parsec-scale radio jet and γ-ray flares in the blazar 1156+295 Monthly Notices of the Royal Astronomical Society. 445: 1636-1646. DOI: 10.1093/Mnras/Stu1873 |
0.821 |
|
| 2014 |
Olguín-Iglesias A, León-Tavares J, Chavushyan V, Valtaoja E, Añorve C, Nilsson K, Kotilainen J, Tornikoski M. Linking the central engine to the jet properties in radio loud AGN Iau Symposia. 10: 329-330. DOI: 10.1017/S1743921315002446 |
0.799 |
|
| 2012 |
León-Tavares J, Valtaoja E, Giommi P, Polenta G, Tornikoski M, Lähteenmäki A, Gasparrini D, Cutini S. Exploring the Relation between (Sub-)Millimeter Radiation and γ-Ray Emission in Blazars with Planck and Fermi The Astrophysical Journal. 754: 23. DOI: 10.1088/0004-637X/754/1/23 |
0.757 |
|
| 2011 |
León-Tavares J, Valtaoja E, Chavushyan VH, Tornikoski M, Anorve C, Nieppola E, Lähteenmäki A. The connection between black hole mass and Doppler boosted emission in BL Lacertae type objects. Monthly Notices of the Royal Astronomical Society. 411: 1127-1136. DOI: 10.1111/J.1365-2966.2010.17740.X |
0.748 |
|
| 2011 |
León-Tavares J, Valtaoja E, Tornikoski M, Lähteenmäki A, Nieppola E. The connection between gamma-ray emission and millimeter flares in Fermi/LAT blazars Astronomy and Astrophysics. 532. DOI: 10.1051/0004-6361/201116664 |
0.765 |
|
| 2010 |
Aatrokoski J, Lähteenmäki A, Tornikoski M, Valtaoja E, Maino D, Galeotta S, Zacchei A, Pasian F. Quick Detection System for Planck satellite Monthly Notices of the Royal Astronomical Society. 401: 597-606. DOI: 10.1111/J.1365-2966.2009.15677.X |
0.713 |
|
| 2009 |
Nieppola E, Hovatta T, Tornikoski M, Valtaoja E, Aller MF, Aller HD. Long-term variability of radio-bright BL Lacertae objects Astronomical Journal. 137: 5022-5036. DOI: 10.1088/0004-6256/137/6/5022 |
0.791 |
|
| 2009 |
Rastorgueva EA, Wiik K, Savolainen T, Takalo LO, Valtaoja E, Vetukhnovskaya YN, Sokolovsky KV. Multi-frequency VLBA study of the blazar S5 0716+714 during the active state in 2004: I. Inner jet kinematics Astronomy and Astrophysics. 494. DOI: 10.1051/0004-6361:200811425 |
0.81 |
|
| 2009 |
Hovatta T, Valtaoja E, Tornikoski M, Lähteenmäki A. Doppler factors, Lorentz factors and viewing angles for quasars, BL Lacertae objects and radio galaxies Astronomy and Astrophysics. 494: 527-537. DOI: 10.1051/0004-6361:200811150 |
0.817 |
|
| 2009 |
Tornikoski M, Torniainen I, Lähteenmäki A, Hovatta T, Nieppola E, Turunen M, Lainela M, Valtaoja E, Aller MF, Aller HD, Mingaliev M, Trushkin S. Long-term radio behaviour of GPS sources and candidates Astronomische Nachrichten. 330: 128-132. DOI: 10.1002/Asna.200811139 |
0.777 |
|
| 2008 |
Marscher AP, Jorstad SG, D'Arcangelo FD, Smith PS, Williams GG, Larionov VM, Oh H, Olmstead AR, Aller MF, Aller HD, McHardy IM, Lähteenmäki A, Tornikoski M, Valtaoja E, Hagen-Thorn VA, et al. The inner jet of an active galactic nucleus as revealed by a radio-to-gamma-ray outburst. Nature. 452: 966-9. PMID 18432239 DOI: 10.1038/Nature06895 |
0.749 |
|
| 2008 |
Hovatta T, Nieppola E, Tornikoski M, Valtaoja E, Aller MF, Aller HD. Long-term radio variability of AGN: flare characteristics Astronomy and Astrophysics. 485: 51-61. DOI: 10.1051/0004-6361:200809806 |
0.781 |
|
| 2008 |
Nieppola E, Valtaoja E, Tornikoski M, Hovatta T, Kotiranta M. Blazar sequence – an artefact of Doppler boosting Astronomy and Astrophysics. 488: 867-872. DOI: 10.1051/0004-6361:200809716 |
0.755 |
|
| 2007 |
Nieppola E, Tornikoski M, Lähteenmäki A, Valtaoja E, Hakala T, Hovatta T, Kotiranta M, Nummila S, Ojala T, Parviainen M, Ranta M, Saloranta P, Torniainen I, Tröller M. 37 GHz observations of a large sample of BL Lacertae objects The Astronomical Journal. 133: 1947-1953. DOI: 10.1086/512609 |
0.807 |
|
| 2007 |
Hovatta T, Tornikoski M, Lainela M, Lehto HJ, Valtaoja E, Torniainen I, Aller MF, Aller HD. Statistical analyses of long-term variability of AGN at high radio frequencies Astronomy and Astrophysics. 469: 899-912. DOI: 10.1051/0004-6361:20077529 |
0.791 |
|
| 2007 |
Lähteenmäki A, Tornikoski M, Hovatta T, Valtaoja E. Total flux density radio observations as a tool for understanding AGN behaviour Astrophysics and Space Science. 311: 347-351. DOI: 10.1007/S10509-007-9569-6 |
0.846 |
|
| 2006 |
Angela Osterman M, Miller HR, Campbell AM, Marshall K, Mcfarland JP, Aller H, Aller M, Fried RE, Kurtanidze OM, Nikolashvili MG, Tornikoski M, Valtaoja E. Multiwavelength observations of the extreme X-ray-selected BL Lacertae object PG 1553+11 (1ES 1553+113) Astronomical Journal. 132: 873-882. DOI: 10.1086/505565 |
0.624 |
|
| 2006 |
Savolainen T, Wiik K, Valtaoja E, Kadler M, Ros E, Tornikoski M, Aller MF, Aller HD. An extremely curved relativistic jet in PKS 2136+141 Astrophysical Journal. 647: 172-184. DOI: 10.1086/505259 |
0.801 |
|
| 2006 |
Savolainen T, Wiik K, Valtaoja E, Tornikoski M. Multifrequency VLBA monitoring of 3C 273 during the INTEGRAL Campaign in 2003 - I. Kinematics of the parsec scale jet from 43 GHz data Astronomy and Astrophysics. 446: 71-85. DOI: 10.1051/0004-6361:20053753 |
0.765 |
|
| 2006 |
Lindfors EJ, Türler M, Valtaoja E, Aller H, Aller M, Mazin D, Raiteri CM, Stevens JA, Tornikoski M, Tosti G, Villata M. Synchrotron flaring in the jet of 3C 279 Astronomy and Astrophysics. 456: 895-903. DOI: 10.1051/0004-6361:20053679 |
0.706 |
|
| 2006 |
Nieppola E, Tornikoski M, Valtaoja E. Spectral energy distributions of a large sample of BL Lacertae objects Astronomy and Astrophysics. 445: 441-450. DOI: 10.1051/0004-6361:20053316 |
0.684 |
|
| 2005 |
Pian E, Foschini L, Beckmann V, Sillanpää A, Soldi S, Tagliaferri G, Takalo L, Barr P, Ghisellini G, Malaguti G, Maraschi L, Palumbo GGC, Treves A, Courvoisier TJ-, Cocco GD, ... ... Valtaoja E, et al. INTEGRAL observations of the field of the BL Lacertae object S5 0716+714 Astronomy and Astrophysics. 429: 427-431. DOI: 10.1051/0004-6361:20041871 |
0.8 |
|
| 2005 |
Lindfors EJ, Valtaoja E, Türler M. SSC mechanism in the gamma-ray blazar 3C 279 Astronomy and Astrophysics. 440: 845-853. DOI: 10.1051/0004-6361:20040196 |
0.647 |
|
| 2003 |
Lähteenmäki A, Valtaoja E. Testing of Inverse Compton Models for Active Galactic Nuclei with Gamma-Ray and Radio Observations The Astrophysical Journal. 590: 95-108. DOI: 10.1086/374883 |
0.715 |
|
| 2003 |
Rantakyrö FT, Wiik K, Tornikoski M, Valtaoja E, Bååth LB. Multifrequency interferometer and radio continuum monitoring observations of CTA 102 Astronomy and Astrophysics. 405: 473-485. DOI: 10.1051/0004-6361:20030579 |
0.645 |
|
| 2002 |
Tornikoski M, Lähteenmäki A, Lainela M, Valtaoja E. Possible Identifications for Southern EGRET Sources The Astrophysical Journal. 579: 136-147. DOI: 10.1086/342673 |
0.816 |
|
| 2002 |
Savolainen T, Wiik K, Valtaoja E, Jorstad SG, Marscher AP. Connections between millimetre continuum variations and VLBI structure in 27 AGN Astronomy and Astrophysics. 394: 851-861. DOI: 10.1051/0004-6361:20021236 |
0.818 |
|
| 2002 |
Hanski MT, Takalo LO, Valtaoja E. Correlated radio and optical variations in a sample of AGN Astronomy and Astrophysics. 394: 17-31. DOI: 10.1051/0004-6361:20020988 |
0.439 |
|
| 2001 |
Tornikoski M, Jussila I, Johansson P, Lainela M, Valtaoja E. Radio spectra and variability of gigahertz-peaked spectrum radio sources and candidates The Astronomical Journal. 121: 1306-1318. DOI: 10.1086/319417 |
0.815 |
|
| 2001 |
Wiik K, Valtaoja E, Leppänen K. VLBI monitoring of a sample of 15 AGN at 22 GHz I. Data Astronomy and Astrophysics. 380: 72-80. DOI: 10.1051/0004-6361:20011365 |
0.441 |
|
| 2001 |
Wiik K, Valtaoja E. The geometry of the universe from high resolution VLBI data of AGN shocks Astronomy and Astrophysics. 366: 1061-1064. DOI: 10.1051/0004-6361:20000285 |
0.37 |
|
| 2001 |
Riehokainen A, Urpo S, Valtaoja E, Makarov VI, Makarova LV, Tlatov AG. Millimeter-radio, SOHO/EIT 171 Å features and the polar faculae in the polar zones of the Sun Astronomy and Astrophysics. 366: 676-685. DOI: 10.1051/0004-6361:20000265 |
0.731 |
|
| 2000 |
Tornikoski M, Lainela M, Valtaoja E. The high radio frequency spectra and variability of southern flat-spectrum radio sources The Astronomical Journal. 120: 2278-2283. DOI: 10.1086/316809 |
0.812 |
|
| 2000 |
Valtaoja E, Teräsranta H, Tornikoski M, Sillanpää A, Aller MF, Aller HD, Hughes PA. Radio monitoring of OJ 287 and binary black hole models for periodic outbursts The Astrophysical Journal. 531: 744-755. DOI: 10.1086/308494 |
0.76 |
|
| 2000 |
Hirabayashi H, Edwards PG, Wehrle AE, Unwin SC, Piner BG, Lovell JEJ, Kobayashi H, Okayasu R, Makino F, Kii T, Valtaoja E. The first space VLBI image of 3C279 Advances in Space Research. 26: 689-692. DOI: 10.1016/S0273-1177(99)01192-8 |
0.387 |
|
| 2000 |
Tingay SJ, Jauncey DL, Reynolds JE, Tzioumis AK, King EA, Preston RA, Murphy DW, Meier DL, Edwards PG, Lovell JEJ, Hirabayashi H, Kobayashi H, Shibata KM, McCulloch PM, Costa ME, ... ... Valtaoja E, et al. Space VLBI observations of southern hemisphere gamma-ray and non-gamma-ray AGN: First results for PKS 0637-752 Advances in Space Research. 26: 677-680. DOI: 10.1016/S0273-1177(99)01189-8 |
0.678 |
|
| 1999 |
Bloom SD, Marscher AP, Moore EM, Gear W, Teräsranta H, Valtaoja E, Aller HD, Aller MF. Multiwaveband observations of quasars with flat radio spectra and strong millimeter-wave emission Astrophysical Journal, Supplement Series. 122: 1-27. DOI: 10.1086/313204 |
0.503 |
|
| 1999 |
Valtaoja E, Lähteenmäki A, Teräsranta H, Lainela M. Total Flux Density Variations in Extragalactic Radio Sources. I. Decomposition of Variations into Exponential Flares Astrophysical Journal Supplement Series. 120: 95-99. DOI: 10.1086/313170 |
0.814 |
|
| 1999 |
Lähteenmäki A, Valtaoja E. Total Flux Density Variations in Extragalactic Radio Sources. III. Doppler Boosting Factors, Lorentz Factors, and Viewing Angles for Active Galactic Nuclei The Astrophysical Journal. 521: 493-501. DOI: 10.1086/307587 |
0.668 |
|
| 1999 |
Lähteenmäki A, Valtaoja E, Wiik K. Total Flux Density Variations in Extragalactic Radio Sources. II. Determining the Limiting Brightness Temperature for Synchrotron Sources The Astrophysical Journal. 511: 112-117. DOI: 10.1086/306649 |
0.66 |
|
| 1999 |
Lähteenmäki A, Valtaoja E. Optical Polarization and Imaging of Hot Spots in Radio Galaxies The Astronomical Journal. 117: 1168-1174. DOI: 10.1086/300752 |
0.619 |
|
| 1998 |
Takalo LO, Sillanpää A, Valtaoja E, Katajainen S, Nilsson K, Pursimo T, Heinämäki P, Villata M, Raiteri CM, Ghisellini G, Francesco GD, Lanteri L, Chiaberge M, Peila A, Boltwood P, et al. Monitoring of AO 0235+164 during a faint state Astronomy & Astrophysics Supplement Series. 129: 577-582. DOI: 10.1051/Aas:1998205 |
0.812 |
|
| 1997 |
Von Montigny C, Aller H, Aller M, Bruhweiler F, Collmar W, Courvoisier TJL, Edwards PG, Fichtel CE, Fruscione A, Ghiselini G, Hartman RC, Johnson WN, Kafatos M, Kh T, Kniffen DA, ... ... Valtaoja E, et al. Multiwavelength observations of 3C 273 in 1993-1995 Astrophysical Journal. 483: 161-177. DOI: 10.1086/304219 |
0.637 |
|
| 1995 |
Pian E, Edelson RA, Wagner SJ, Bregman J, George I, Treves A, Wamsteker W, Bock H, Carini M, Courvoisier T, Donahue M, Efimov Y, Filippenko A, Fink HH, Heidt J, ... ... Valtaoja E, et al. Simultaneous UV, optical and radio monitoring of the BL Lac object OJ 287 in March 1993 Advances in Space Research. 16: 57-60. DOI: 10.1016/0273-1177(95)00043-E |
0.716 |
|
| 1992 |
Wiren S, Valtaoja E, Terasranta H, Kotilainen J. A complete sample of Northern hemisphere active galactic nuclei : differences in flux and spectra at high radio frequencies The Astronomical Journal. 104: 1009-1017. DOI: 10.1086/116294 |
0.56 |
|
| 1986 |
Valtaoja E. Bending of radio trails by galactic winds and rotation Astrophysics and Space Science. 127: 103-116. DOI: 10.1007/Bf00637766 |
0.447 |
|
| 1985 |
Valtaoja E, Lehto H, Teerikorpi P, Korhonen T, Valtonen M, Teräsranta H, Salonen E, Urpo S, Tiuri M, Piirola V, Saslaw WC. A 15.7-min periodicity in OJ287 Nature. 314: 148-149. DOI: 10.1038/314148A0 |
0.801 |
|
| 1984 |
Valtaoja E. Circular Polarization and the Structure of Compact Extragalactic Radio Sources Astrophysics and Space Science. 100: 227-241. DOI: 10.1007/Bf00651598 |
0.478 |
|
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