Get started
Author

Dragomir V. Marchev

Observed names: D Marchev, D. Marchev, D. V. Marchev, Dragomir Marchev, Marchev, D., Marchev, D. V., Marchev, Dragomir, Драгомир Марчев
Institution: Shumen University
Observed institutions: Shumei University, Isaac Newton Institute for Mathematical Sciences, Bulgarian Academy of Sciences, Shokei College, Shumen University, Isaac Newton Institute, Institute of Astronomy and National Astronomical Observatory
ORCID: 0000-0001-6394-1121
Observed ORCID: 0000-0001-6394-1121
OpenAlex ID: A5087563253
A massive binary black-hole system in OJ 287 and a test of general relativity
2008 · M. J. Valtonen, H. J. Lehto, et al. · Nature · 411
PDF
Variability and stability in blazar jets on time-scales of years: optical polarization monitoring of OJ 287 in 2005-2009
2010 · C. Villforth, K. Nilsson, et al. · Monthly Notices of the Royal Astronomical Society · 107
PDF
Tidally Induced Outbursts in Oj 287 During 2005-2008
2009 · M. J. Valtonen, K. Nilsson, et al. · The Astrophysical Journal · 53
PDF
Physical parameters of components in close binary systems. I
2003 · J. M. Kreiner, S. M. Rucinski, et al. · Astronomy and Astrophysics · 52
PDF
Physical parameters of close binary systems: VIII
2021 · K Gazeas, S Zola, et al. · Monthly Notices of the Royal Astronomical Society · 34
PDF
Spectroscopic and photometric observations of the short-period RS CVn-type star CG Cyg
2003 · D. P. Kjurkchieva, D. V. Marchev, et al. · Astronomy and Astrophysics · 24
PDF
Accretion in the recurrent nova T CrB: Linking the superactive state to the predicted outburst
2023 · R. Zamanov, S. Boeva, et al. · Astronomy and Astrophysics · 23
PDF
Spectroscopic observations of the short-period, RS CVn-type star SV Cam
2002 · D. P. Kjurkchieva, D. V. Marchev, et al. · Astronomy and Astrophysics · 20
PDF
Spectroscopic and Photometric Observations of the Short-Period RS CVn-Type Star UV Piscium
2005 · Diana P. Kjurkchieva, Dragomir V. Marchev, et al. · The Astronomical Journal · 15
PDF
Spectroscopic and photometric observations of the short-period RS CVn-type star ER Vulpeculae
2003 · D. P. Kjurkchieva, D. V. Marchev, et al. · Astronomy and Astrophysics · 15
PDF
H$\mathsf{_{\alpha}}$ observations of the star FK Com
2005 · D. P. Kjurkchieva, D. V. Marchev · Astronomy and Astrophysics · 14
PDF
Spectroscopic and photometric observations of the short-period RS CVn-type star BH Virginis
2004 · D. P. Kjurkchieva, D. V. Marchev, et al. · Astronomy and Astrophysics · 14
PDF
Spectroscopic and photometric observations of the short-period RS CVn-type star WY Cnc
2004 · D. Kjurkchieva, D. Marchev, et al. · Astronomy and Astrophysics · 13
PDF
Photometric and Spectral Observations of the W UMa Stars NSVS 4161544 and 1SWASP J034501.24+493659.9. GAIA Challenges
2019 · Diana Kjurkchieva, Ivanka Stateva, et al. · The Astronomical Journal · 12
PDF
Size of the accretion disc in the recurrent nova T CrB
2024 · R. K. Zamanov, K. A. Stoyanov, et al. · Astronomische Nachrichten · 11
PDF
Spectroscopic and photometric observations of the short-period RS CVn star RT And
2001 · D. P. Kjurkchieva, D. V. Marchev, et al. · Astronomy and Astrophysics · 11
PDF
Physical Parameters of Components in Close Binary Systems: III
2004 · S. Zoła, J. M. Kreiner, et al. · Acta Astronomica · 10
Optical spectroscopy of the Be/black hole binary MWC 656 ‐ interaction of a black hole with a circumstellar disc
2022 · Radoslav K. Zamanov, Kiril A. Stoyanov, et al. · Astronomische Nachrichten · 9
PDF
Photometric and spectral observations of two W UMa stars with periods of one third of a day
2018 · D. P. Kjurkchieva, D. V. Marchev, et al. · Astronomische Nachrichten · 8
Physical parameters of components in close binary systems: V
2009 · Zola, S., Kreiner, J. M., et al. · arXiv (Cornell University) · 8
PDF
High-Speed BVRI Photometry of SS Cyg at Quiescence and at Outburst
1998 · Diana Kjurkchieva, Dragomir Marchev, et al. · Astrophysics and Space Science · 8
Observational signs of limited flare area variation and peak flare temperature estimations in main-sequence flaring stars
2025 · K. Bicz, R. Falewicz, et al. · Astronomy and Astrophysics · 7
Spectroscopic and photometric observations of the eclipsing star UV Leo
2007 · D. P. Kjurkchieva, D. V. Marchev · Monthly Notices of the Royal Astronomical Society · 7
PDF
Photometric and Hα Observations of the Cataclysmic Star UX UMa
2006 · Diana Kjurkchieva, Dragomir Marchev, et al. · Astrophysics and Space Science · 7
Mass outflow from the symbiotic binary RS Oph during its 2021 outburst
2023 · N. A. Tomov, M. T. Tomova, et al. · Astronomy and Astrophysics · 5
PDF
Works count: 89
Citation count: 950
H-index: 13
I10-index: 17
Year
Topic
Type