A massive binary black-hole system in OJ 287 and a test of general relativity MJ Valtonen, HJ Lehto, K Nilsson, J Heidt, LO Takalo, A Sillanpää, ... Nature 452 (7189), 851-853, 2008 | 491 | 2008 |
Variability and stability in blazar jets on time-scales of years: Optical polarization monitoring of OJ 287 in 2005–2009 C Villforth, K Nilsson, J Heidt, LO Takalo, T Pursimo, A Berdyugin, ... Monthly Notices of the Royal Astronomical Society 402 (3), 2087-2111, 2010 | 121 | 2010 |
Tidally Induced Outbursts in OJ 287 during 2005–2008 MJ Valtonen, K Nilsson, C Villforth, HJ Lehto, LO Takalo, E Lindfors, ... The Astrophysical Journal 698 (1), 781, 2009 | 74 | 2009 |
Physical parameters of components in close binary systems. I JM Kreiner, SM Rucinski, S Zola, P Niarchos, W Ogloza, G Stachowski, ... Astronomy & Astrophysics 412 (2), 465-471, 2003 | 62 | 2003 |
Physical parameters of components in close binary systems: V S Zola, JM Kreiner, B Zakrzewski, DP Kjurkchieva, DV Marchev, A Baran, ... arXiv preprint arXiv:0903.1365, 2009 | 58 | 2009 |
Spectroscopic and photometric observations of the short-period RS CVn-type star CG Cyg DP Kjurkchieva, DV Marchev, W Ogloza Astronomy & Astrophysics 400 (2), 623-631, 2003 | 32 | 2003 |
Spectroscopic observations of the short-period, RS CVn-type star SV Cam DP Kjurkchieva, DV Marchev, S Zola Astronomy & Astrophysics 386 (2), 548-557, 2002 | 27 | 2002 |
High-speed BVRI photometry of SS Cyg at quiescence and at outburst D Kjurkchieva, D Marchev, W Ogloza Astrophysics and space science 262, 53-74, 1998 | 22 | 1998 |
Physical parameters of close binary systems: VIII K Gazeas, S Zola, A Liakos, B Zakrzewski, SM Rucinski, JM Kreiner, ... Monthly Notices of the Royal Astronomical Society 501 (2), 2897-2919, 2021 | 18 | 2021 |
Spectroscopic and photometric observations of the short-period RS CVn-type star UV Piscium DP Kjurkchieva, DV Marchev, PA Heckert, JI Ordway The Astronomical Journal 129 (2), 1084, 2005 | 15 | 2005 |
Spectroscopic and photometric observations of the short-period RS CVn-type star BH Virginis DP Kjurkchieva, DV Marchev, PA Heckert, CA Shower Astronomy & Astrophysics 424 (3), 993-1002, 2004 | 15 | 2004 |
Spectroscopic and photometric observations of the short-period RS CVn-type star WY Cnc D Kjurkchieva, D Marchev, W Ogloza Astronomy & Astrophysics 415 (1), 231-239, 2004 | 15 | 2004 |
Spectroscopic and photometric observations of the short-period RS CVn star RT And DP Kjurkchieva, DV Marchev, W Ogloza Astronomy & Astrophysics 378 (1), 102-112, 2001 | 14 | 2001 |
H observations of the star FK Com DP Kjurkchieva, DV Marchev Astronomy & Astrophysics 434 (1), 221-233, 2005 | 13 | 2005 |
Spectroscopic and photometric observations of the short-period RS CVn-type star ER Vulpeculae DP Kjurkchieva, DV Marchev, S Zola Astronomy & Astrophysics 404 (2), 611-620, 2003 | 13 | 2003 |
Multicolor Photometry of SV Cam in 1997 D Kjurkchieva, D Marchev, W Ogloza Acta Astronomica, v. 50, pp. 517-528,(2000). 50, 517-528, 2000 | 13 | 2000 |
Spectral observations of X Persei: Connection between Hα and X-ray emission R Zamanov, KA Stoyanov, U Wolter, D Marchev, NI Petrov Astronomy & Astrophysics 622, A173, 2019 | 12 | 2019 |
Spectroscopic and photometric observations of the eclipsing star UV Leo DP Kjurkchieva, DV Marchev Monthly Notices of the Royal Astronomical Society 381 (2), 663-668, 2007 | 12 | 2007 |
Photometric and Hα Observations of the Cataclysmic Star UX UMa D Kjurkchieva, D Marchev, T Khruzina, G Djurašević Astrophysics and Space Science 306, 217-229, 2006 | 9 | 2006 |
Multicolour high-speed photometry and Halpha spectroscopy of XY UMa D Kjurkchieva, D Marchev, W Ogloza Astronomy and Astrophysics, v. 354, p. 909-914 (2000) 354, 909-914, 2000 | 9 | 2000 |