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Browsing by Author "Kolbin A."

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Analysis of magnetic activity of the rapidly rotating stars He 373 and AP 225

Kolbin A.; Tsymbal V. (2017)

© 2017, Pleiades Publishing, Ltd.Spectroscopic and photometric data for the two rapidly rotating members of the α Persei cluster He 373 and AP 225 are analyzed. Improved estimates have been obtained for the projected ...
Analysis of the Optical Cyclotron Emission of Polar CRTS CSS081231 J071126+440405

Kolbin A.; Serebryakova N.; Gabdeev M.; Borisov N. (2019)

© 2019, Pleiades Publishing, Ltd. 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 ...
Analysis of the Spectroscopic Observations of RS CVn Type Star V837 Tau

Kolbin A.; Shimansky V.; Alekseev I.; Shimanskaya N.; Gabdeev M.; Tsymbal V. (2019)

© 2019, Pleiades Publishing, Ltd. 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 ...
Multipassband photometric mapping of three fast rotating stars: HII 1883, AP 86 and AP 226

Kolbin A.; Sakhibullin N.; Gabdeev M. (2015)

© 2014 COSPAR. The analysis of multipassband photometry was carried out for three rapidly rotating stars: HII 1883, AP 86 and AP 226. Two different approaches were used for starspot mapping. In the first approach the stellar ...
On the reconstruction of the surface structure of the spotted stars

Kolbin A.; Shimansky V.; Sakhibullin N. (2013)

We have developed and tested a light-curve inversion technique for photometric mapping of spotted stars. The surface of a spotted star is partitioned into small area elements, over which a search is carried out for the ...
Photometric and spectral studies of the eclipsing polar CRTS CSS081231 J071126+440405

Borisov N.; Gabdeev M.; Shimansky V.; Katysheva N.; Kolbin A.; Shugarov S.; Goranskij V. (2016)

© 2016, Pleiades Publishing, Ltd.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 (Formula presented.). ...
Spectroscopic and Photometric Study of the Polar 1RXS J152506.9-032647

Gabdeev M.; Shimansky V.; Borisov N.; Bikmaev I.; Moskvitin A.; Kolbin A. (2019)

© 2019, Pleiades Publishing, Ltd. 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 ...
Spotted star light curve numerical modeling technique and its application to HII 1883 surface imaging

Kolbin A.; Shimansky V. (2014)

We developed a code for imaging the surfaces of spotted stars by a set of circular spots with a uniform temperature distribution. The flux from the spotted surface is computed by partitioning the spots into elementary ...

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Browsing by Author "Kolbin A."

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