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  1. No Access

    Article

    Parameters of SU UMa and WZ Sge-Type Dwarf Novae in Quiescent State. I. FL Psc, TY Psc and V455 And

    We present the results of model analysis of the optical spectra of SU UMa and WZ Sge-type dwarf novae TY Psc, FL Psc, and V455 And. Spectroscopic observations were carried out at the SAO RAS 6-m BTA telescope ...

    A. A. Dudnik, V. V. Shimansky, N. V. Borisov, A. A. Mitrofanova… in Astrophysical Bulletin (2023)

  2. No Access

    Article

    Observations of Candidates for Eclipsing Cataclysmic Variables with the RTT-150 Telescope

    We present the results of our photometric and spectroscopic observations. We have studied four cataclysmic variable stars: 2XMM J183251.4-100106, MLS1809017 J224712+461815, MGAB-V330, and MGAB-V410. We have an...

    M. M. Gabdeev, I. F. Bikmaev, V. V. Shimansky, R. Ya. Zhuchkov… in Astronomy Letters (2021)

  3. No Access

    Article

    Determining the Characteristics of Lan 30 from Optical Observations

    We have performed a model analysis of the optical radiation from the young pre-cataclysmic variable Lan 30 and determined the set of its fundamental characteristics. Spectroscopic and multiband photometric obs...

    N. R. Deminova, V. V. Shimanskii, N. V. Borisov, M. M. Gabdeev in Astronomy Letters (2021)

  4. No Access

    Article

    On the Possibility of Using Mid-Band Filters to Search for Polar Candidates

    Abstract—This paper presents a method for searching for polar candidates using mid-band filters. One of the spectral features of polars is the HeII λ4686 strong emission line. We selected the Edmund Optics color ...

    M. M. Gabdeev, T. A. Fatkhullin, N. V. Borisov in Astrophysical Bulletin (2020)

  5. No Access

    Article

    Results of the First Year of the 3BS Polar Search Program

    We present the results of the first year of searching for polar candidates within the 3BS (3-Band Survey) program using medium-band filters. Observational data for 84 selected objects from the catalog of catac...

    M. M. Gabdeev, T. A. Fatkhullin, N. V. Borisov, V. V. Shimansky… in Astronomy Letters (2020)

  6. No Access

    Article

    Analysis of the Spectroscopic Observations of RS CVn Type Star V837 Tau

    We present an analysis of the spectra of the star V837 Tau, which belongs to a class of chromosphere-active RSCVn type stars. The observational material was obtained with the 1.5-m Russian-Turkish telescope RT...

    A. I. Kolbin, V. V. Shimansky, I. Yu. Alekseev, N. N. Shimanskaya… in Astrophysical Bulletin (2019)

  7. No Access

    Article

    Flow Structure in the Eclipsing Polar V808 Aur. Results of 3D Numerical Simulations

    The structure of the flows in the eclipsing polar V808 Aur is studied. Comparison of computations with observed light curves is used to identify and clarify a number of features in the system, such as the drif...

    A. G. Zhilkin, A. V. Sobolev, D. V. Bisikalo, M. M. Gabdeev in Astronomy Reports (2019)

  8. No Access

    Article

    Spectroscopic and Photometric Study of the Polar 1RXS J152506.9-032647

    We present the photometric and spectroscopic observations of the polar 1RXSJ152506.9-032647. The observations were carried out at the 6-m and Zeiss-1000 telescopes of the SAO RAS, and at the 1.5-m Russian-Turk...

    M. M. Gabdeev, V. V. Shimansky, N. V. Borisov, I. F. Bikmaev… in Astrophysical Bulletin (2019)

  9. No Access

    Article

    Analysis of the Optical Cyclotron Emission of Polar CRTS CSS081231 J071126+440405

    We have modeled the cyclotron spectra and photopolarimetric data of polar CRTS CSS081231 J071126+440405. A series of spectra of the polar were obtained in the intermediate brightness state spanning an orbital ...

    A. I. Kolbin, N. A. Serebryakova, M. M. Gabdeev, N. V. Borisov in Astrophysical Bulletin (2019)

  10. No Access

    Article

    Spectral and photometric studies of polar CRTS CSS 130604 J 215427+155714

    We present the results of spectroscopic and photometric studies of a new polar CRTS CSS130604 J 215427+155714, conducted at the telescopes of the SAO RAS. Analysis of the photometric series of observations all...

    N. V. Borisov, M. M. Gabdeev, V. V. Shimansky, N. A. Katysheva… in Astrophysical Bulletin (2017)

  11. No Access

    Article

    PN G068.1+11.0: A young pre-cataclysmic variable with an extremely hot primary

    An analysis of spectroscopic and photometric data for the young pre-cataclysmic variable (PCV) PN G068.1+11.0, which passed through its common-envelope stage relatively recently, is presented. The spectroscopi...

    A. A. Mitrofanova, V. V. Shimansky, N. V. Borisov, O. I. Spiridonova… in Astronomy Reports (2016)

  12. No Access

    Article

    Photopolarimetric observations of the sample of polar candidates

    We presented the first polarimetric observations of five cataclysmic variables: MTDra, 1RXSJ184542.4+483134, CRTSCSS081231 J071126+440405, IPHASJ052832.69+283837.6, and CRTSCSS130604 J215427+155714. Observatio...

    N. V. Borisov, M. M. Gabdeev, V. L. Afanasiev in Astrophysical Bulletin (2016)

  13. No Access

    Article

    Photometric and spectral studies of the eclipsing polar CRTS CSS081231 J071126+440405

    We present the results of the study of the eclipsing polar CRTS CSS081231 J071126+440405. Photometric observations allowed us to refine the orbital period of the system

    N. V. Borisov, M. M. Gabdeev, V. V. Shimansky, N. A. Katysheva… in Astrophysical Bulletin (2016)

  14. No Access

    Article

    Spectroscopic study of the polar BS Tri

    We have analyzed the spectra of the cataclysmic variable BS Tri taken in September 2011 and August 2012 with the 6-m BTA SAO RAS telescope. The object’s spectra exhibit a flat continuum with superimposed stron...

    N. V. Borisov, M. M. Gabdeev, V. V. Shimansky, N. A. Katysheva… in Astronomy Letters (2015)

  15. No Access

    Article

    Photometric monitoring of polar candidates

    We present photometric observations of two polar candidates, IPHAS J052832.69+283837.6 and 1RXS J073346.0+261933. Both objects reveal brightness variations related to the orbital period with an amplitude of ab...

    M. M. Gabdeev in Astrophysical Bulletin (2015)

  16. No Access

    Article

    Photometric and polarimetric observations of a new polar USNO-A2.0 0825-18396733

    We present photometric and polarimetric observations of a new magnetic cataclysmic variable, presumably a polar, USNO-A2.0 0825-18396733. The photometric observations were carried out with the SAO RAS Zeiss-10...

    V. L. Afanasiev, N. V. Borisov, M. M. Gabdeev in Astrophysical Bulletin (2015)

  17. No Access

    Article

    Spectral and photometric studies of the polar USNO-A2.0 0825-18396733

    Results of photometric and spectral studies of the new magnetic cataclysmic variable (polar) USNO-A2.0 0825-18396733 are presented. Photometric data in the B, V, and R c ...

    M. M. Gabdeev, N. V. Borisov, V. V. Shimansky, O. I. Spiridonova in Astronomy Reports (2015)

  18. No Access

    Article

    Analysis of observations of the dwarf nova pegasi 2010

    Analysis of photometric and spectroscopic observations of GSC 02197-00886 at the outburst maximum (on May 8, 2010) and at the stage of relaxation towards the quiescent (on August 4, 2010) was performed. Radiat...

    V. V. Shimansky, A. A. Mitrofanova… in Bulletin of the Crimean Astrophysical Obse… (2013)