Zobrazeno 1 - 10
of 1 501
pro vyhledávání: '"Bobylev, A. P."'
Publikováno v:
Publications of the Pulkovo Observatory, Issue 235, p. 1-15 (2024)
The paper is devoted to the analysis of the influence of the galactic bar on the nature of the orbital motion (chaotic or regular) of globular clusters in the central region of the Galaxy with a radius of 3.5 kpc, which are subject to the greatest in
Externí odkaz:
http://arxiv.org/abs/2412.02426
Autor:
Bobylev, Vadim V., Bajkova, Anisa T.
Publikováno v:
Astronomy Reports (2024) Vol. 68, No. 9, pp. 878-885
The kinematic properties of the Sco-Cen association have been studied using the spatial velocities of young stars. New kinematic age estimates for the three components of the association with the age of UCL and LCC being $17.7\pm2.4$ Myrs and the age
Externí odkaz:
http://arxiv.org/abs/2410.21156
Autor:
Seidov, Timur Z., Barredo-Alamilla, Eduardo, Bobylev, Daniel A., Shaposhnikov, Leon, Mazanov, Maxim, Gorlach, Maxim A.
Effective axion fields in condensed matter and photonics are manifested as $\mathcal{P}$- and $\mathcal{T}$-odd contributions to the electromagnetic response. Here, we show that the phenomena previously attributed to the effective axion fields have t
Externí odkaz:
http://arxiv.org/abs/2407.20767
Autor:
Bobylev, Vadim V., Bajkova, Anisa T.
Publikováno v:
Astrophysical Bulletin, 2024, Vol. 79, No. 3, pp. 473-480
The kinematics of the young stellar association near the Sun TW Hya is studied. Kinematic estimates of the age of this association were obtained in two ways. The first method -- analysis of stellar trajectories integrated back in time -- gave an esti
Externí odkaz:
http://arxiv.org/abs/2407.18132
Autor:
Muszyński, Marcin, Oliwa, Przemysław, Kokhanchik, Pavel, Kapuściński, Piotr, Oton, Eva, Mazur, Rafał, Morawiak, Przemysław, Piecek, Wiktor, Kula, Przemysław, Bardyszewski, Witold, Piętka, Barbara, Bobylev, Daniil, Solnyshkov, Dmitry, Malpuech, Guillaume, Szczytko, Jacek
We create a one-dimensional photonic crystal with strong polarization dependence and tunable by an applied electric field. We accomplish this in a planar microcavity by embedding a cholesteric liquid crystal (LC), which spontaneously forms a uniform
Externí odkaz:
http://arxiv.org/abs/2407.07161
Publikováno v:
Publications of the Pulkovo Observatory (ISSN 0367--7966), Issue 233, 2024
We analyzed the regularity/chaoticity of the orbits of 45 globular clusters in the central region of the Galaxy with a radius of 3.5 kpc, which are subject to the greatest influence from an elongated rotating bar. Various analysis methods were used,
Externí odkaz:
http://arxiv.org/abs/2406.15590
Autor:
Bobylev, Vadim, Bajkova, Anisa
Publikováno v:
Astronomy Letters, 2024, Vol. 50, No. 4, pp. 239-249
The kinematics of about 40 single stars belonging to the $\beta$ Pictoris moving group is studied. The age of the $\beta$ Pictoris moving group is estimated from these stars with ground-based line-of-sight velocity determinations by two methods. Both
Externí odkaz:
http://arxiv.org/abs/2406.10374
Autor:
Bobylev, Vadim V., Bajkova, Anisa T.
Publikováno v:
Astronomy Reports, 2024, Vol. 68, No. 3, pp. 247-256
The kinematics of the $\epsilon$ Cha young stellar association close to the Sun has been studied based on a list of candidate stars from the Dickson-Vandervelde work. The working sample consists of 26 stars with parallaxes, proper motions from the Ga
Externí odkaz:
http://arxiv.org/abs/2406.00461
Autor:
Bobylev, Vadim V., Bajkova, Anisa T.
The trajectories of the clusters $\eta$ Cha, $\epsilon$ Cha and Cha I, Cha II, constructed backward in time, have been studied. We concluded that the hypothesis about the joint formation of all four of these clusters from one molecular cloud cannot b
Externí odkaz:
http://arxiv.org/abs/2404.00669
Autor:
Bobylev, Vadim V., Bajkova, Anisa T.
A spectral analysis of the vertical positions and velocities of 374 open star clusters (OSCs) was carried out. We took these OSCs from the Hunt, Reffert catalog; they have an average age of about 10 million years, and are located on the galactic plan
Externí odkaz:
http://arxiv.org/abs/2401.02144