Zobrazeno 1 - 10
of 341
pro vyhledávání: '"Bychkova, A. V."'
Magnetized stars exhibit periodic variations of their longitudinal global magnetic fields, $B_e$, owing to rotation. Here, we present the second catalog of averaged stellar magnetic rotational phase curves and their parameters derived from a compilat
Externí odkaz:
http://arxiv.org/abs/2004.14099
Autor:
Hubrig, S., Jarvinen, S. P., Madej, J., Bychkov, V. D., Ilyin, I., Schöller, M., Bychkova, L. V.
Since its discovery more than half a century ago Przybylski's star (HD101065) continues to excite the astronomical community by the unusual nature of its spectrum, exhibiting exotic element abundances. This star was also the first magnetic chemically
Externí odkaz:
http://arxiv.org/abs/1804.07260
Autor:
Gorobets, M. G.1 (AUTHOR) maria.g.gorobets@gmail.com, Bychkova, A. V.1 (AUTHOR), Abdullina, M. I.1 (AUTHOR), Motyakin, M. V.1,2 (AUTHOR)
Publikováno v:
Doklady Biochemistry & Biophysics. Oct2023, Vol. 512 Issue 1, p270-273. 4p.
Global magnetic fields of flare stars can evolve rapidly, in time scale of hundreds or dozens of days. We believe, that such changes result from rapid superposition of local magnetic fields generated by differential rotation of those stars. We discus
Externí odkaz:
http://arxiv.org/abs/1702.05606
Apparent variability of the longitudinal magnetic fields in most stars is caused by rotation, which quantitavely changes projection of the magnetic field configuration on the line of sight. This is a purely geometrical effect and is not related to po
Externí odkaz:
http://arxiv.org/abs/1611.06998
The second version of the catalog contains information about 275 stars of different types. During the time that has elapsed since the creation of the first catalog, situation fundamentally changed primarily due to the significant increase of accuracy
Externí odkaz:
http://arxiv.org/abs/1611.07003
New high-precision measurements of the longitudinal magnetic field of Ap stars suggest the existence of secular intrinsic variations of the global magnetic field in some stars. We argue that such changes are apparent in the Ap star $\alpha^2$ CVn in
Externí odkaz:
http://arxiv.org/abs/1606.09562
Autor:
Filimonova, Olga N., Tagirov, Boris R., Zotov, Alexander V., Baranova, Nina N., Bychkova, Yana V., Tyurin, Dmitry A., Chareev, Dmitriy A., Nickolsky, Maximilian S.
Publikováno v:
In Chemical Geology 5 January 2021 559
This paper presents a series of 95 new measurements of the longitudinal (effective) magnetic field $B_e$ of the Ap star $\gamma$ Equ (HD 201601). Observations were obtained at the coud\'e focus of the 1-m reflector at the Special Astrophysical Observ
Externí odkaz:
http://arxiv.org/abs/1510.05160
We determined rotational period of practically nonrotating Ap star gamma Equ and claim $P_{\rm rot}= 97$ years. This period is about 35000 times larger than the average rotational period among stars of the same spectral class. Paper discusses possibl
Externí odkaz:
http://arxiv.org/abs/1506.06235