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  1. No Access

    Article

    SDSS J085414.02+390537.3—A New Asynchronous Polar

    Based on data from the ZTF photometric survey, we have revealed asynchrony of the polar SDSS J085414.02+390537.3. A beat period $$P_{\...

    A. I. Kolbin, M. V. Suslikov, V. Yu. Kochkina, N. V. Borisov… in Astronomy Letters (2023)

  2. No Access

    Article

    B[e] Star CI Camelopardalis in the Optical Range

    We report the results of photometric and spectroscopic monitoring of CI Cam within 24 years since its outburst in 1998. Over this time, we found a system component emitting in the He II 4686 Å emission line, o...

    E. A. Barsukova, A. N. Burenkov, V. P. Goranskij, S. V. Zharikov… in Astrophysical Bulletin (2023)

  3. No Access

    Article

    Optical Study of the Polar BM CrB in a Low State

    We have performed spectroscopic and photometric studies of the poorly explored polar BM CrB. Based on ZTF survey data, we have revealed three brightness states of the polar and evidence of the transition from ...

    A. I. Kolbin, N. V. Borisov, A. N. Burenkov, O. I. Spiridonova… in Astronomy Letters (2023)

  4. No Access

    Article

    Zeiss-1000 SAO RAS: Instruments and Methods of Observation

    Abstract—The paper describes Zeiss-1000, the one meter telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences (SAO RAS), the history of the development of its observation methods an...

    V. V. Komarov, A. S. Moskvitin, V. D. Bychkov, A. N. Burenkov… in Astrophysical Bulletin (2020)

  5. No Access

    Article

    Progenitor and Remnant of the Luminous Red Nova V838 Monocerotis

    Abstract—The article presents the results of multicolor photometry, medium and low resolution spectroscopy of the red nova V838 Mon remnant for 16 years after the 2002 outburst. We also used the archival photomet...

    V. P. Goranskij, E. A. Barsukova, A. N. Burenkov, A. F. Valeev… in Astrophysical Bulletin (2020)

  6. No Access

    Article

    UGC 1198: A Galaxy with an Inner Polar Disk/Ring

    We analyze new observational data obtained at the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences with the SCORPIO focal reducer for the peculiar galaxy UGC 1198. Base...

    G. M. Karataeva, O. A. Merkulova, L. V. Shalyapina, V. A. Yakovleva… in Astronomy Letters (2019)

  7. No Access

    Article

    Spectroscopic study of the peculiar galaxy IC 883

    We analyze new optical spectroscopic observations obtained at the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences with the SCORPIO focal reducer (in the modes of a Fab...

    V. A. Yakovleva, O. A. Merkulova, G. M. Karataeva, L. V. Shalyapina… in Astronomy Letters (2016)

  8. No Access

    Article

    Time Delay Evolution of Five Active Galactic Nuclei

    Here we investigate light curves of the continuum and emission lines of five type 1 active galactic nuclei (AGN) from our monitoring campaign, to test time-evolution of their time delays. Using both modeled an...

    A. Kovačević, L. Č. Popović, A. I. Shapovalova… in Journal of Astrophysics and Astronomy (2015)

  9. No Access

    Article

    Line Shape Variability in a Sample of AGN with Broad Lines

    The spectral variability of active galactic nuclei (AGN) is one of the key features that enables us to study in more detail, the structure of AGN emitting regions. Especially, the broad line profiles that vary...

    D. Ilić, L. Č. Popović, A. I. Shapovalova… in Journal of Astrophysics and Astronomy (2015)

  10. No Access

    Article

    PGC 60020: a polar-ring galaxy

    We present an analysis of new observations of a peculiar galaxy PGC60020, obtained with the 6-m BTA telescope of the SAO RAS with a multimode SCORPIO instrument. The observational data includes direct images i...

    O. A. Merkulova, G. M. Karataeva, V. A. Yakovleva, A. N. Burenkov in Astrophysical Bulletin (2012)

  11. No Access

    Article

    Study of the structure and kinematics of the NGC 7465/64/63 triplet galaxies

    We analyze new observational data obtained at the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences with the multimode SCORPIO instrument and the Multi-Pupil Fiber Spect...

    O. A. Merkulova, G. M. Karataeva, V. A. Yakovleva, A. N. Burenkov in Astronomy Letters (2012)

  12. No Access

    Article

    On the variability of emission spectrum of the Sy2 galaxy Mark 6

    According to Ambartsumyan, one of the forms of galactic activity is the outflow of gaseous material in the form of jets or clouds from the region of the nucleus at velocities up to hundreds or thousands of km/...

    E. Ye. Khachikian, N. S. Asatrian, A. N. Burenkov in Astrophysics (2011)

  13. No Access

    Article

    Andromeda IV: A new local volume very metal-poor galaxy

    And IV is a low surface brightness (LSB) dwarf galaxy at a distance of 6.1 Mpc, projecting close to M 31. In this paper the results of spectroscopy of the And IV two brightest HII regions with the SAO 6-m tele...

    S. A. Pustilnik, A. L. Tepliakova, A. Y. Kniazev, A. N. Burenkov in Astrophysical Bulletin (2008)

  14. No Access

    Article

    Synchrotron superbubble in the galaxy IC 10: The ionized gas structure, kinematics, and emission spectrum

    We have investigated the structure, kinematics, and emission spectrum of the ionized gas in the synchrotron superbubble in the irregular galaxy IC 10 based on observations with the 6-m Special Astrophysical Ob...

    T. A. Lozinskaya, A. V. Moiseev, N. Yu. Podorvanyuk, A. N. Burenkov in Astronomy Letters (2008)

  15. No Access

    Article

    Photometric and spectroscopic study of nova Cassiopeiae 1995 (V723 Cas)

    We report an 11-year long series of U BV RI observations and the results of our monitoring of the classical slow nova V723 Cas. We analyze the spectra of this star taken using the 6-m telescope of the Special Ast...

    V. P. Goranskij, N. A. Katysheva, A. V. Kusakin, N. V. Metlova… in Astrophysical Bulletin (2007)

  16. No Access

    Article

    Photometry and spectroscopy of CI camelpardalis from 1998–2005

    Our long-time monitoring of the B[e] star and transient X-ray source CI Cam during quiescence following the 1998 outburst demonstrates that the complex, stratified circumstellar envelope has tended to stabiliz...

    E. A. Barsukova, N. V. Borisov, A. N. Burenkov, V. P. Goranskii… in Astronomy Reports (2006)

  17. No Access

    Article

    A spectroscopic and photometric study of NGC 2685, the prototype polar-ring galaxy

    We present and analyze spectroscopic and photometric observations for NGC 2685, the prototype polar-ring galaxy. The spectroscopic data were acquired using the 6 m telescope of the Special Astrophysical Observ...

    V. A. Hagen-Thorn, L. V. Shalyapina, G. M. Karataeva, V. A. Yakovleva… in Astronomy Reports (2005)

  18. No Access

    Article

    The phenomenon of the galaxy NGC 6286: A forming polar ring or a superwind?

    We present our observations of the pair of interacting galaxies NGC 6285/86 carried out with the 6-m Special Astrophysical Observatory (SAO) telescope using 1D and 2D spectroscopy. The observations of NGC 6286...

    L. V. Shalyapina, A. V. Moiseev, V. A. Yakovleva, V. A. Hagen-Thorn… in Astronomy Letters (2004)

  19. No Access

    Article

    Photometry and spectroscopy of the system V4641 sagittarii in quiescence

    We present the results of our CCD photometric and moderate-dispersion spectroscopic observations of the binary system V4641 Sgr, which contains a black hole of mass ≈9.5M ⊙ and a normal B9III star. The photometri...

    V. P. Goranskij, E. A. Barsukova, A. N. Burenkov in Astronomy Reports (2003)

  20. No Access

    Article

    A kinematic study of M51-type galaxies

    Spectroscopic observations of twelve M51-type binary galaxies with the 6-m Special Astrophysical Observatory telescope are presented. We constructed the rotation curves for the primary galaxies of each binary ...

    S. A. Klimanov, V. P. Reshetnikov, A. N. Burenkov in Astronomy Letters (2002)

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