Zobrazeno 1 - 10
of 390
pro vyhledávání: '"Bobylev, V. V."'
Autor:
Bobylev, V. V., Bajkova, A. T.
Publikováno v:
Publications of the Pulkovo Observatory (ISSN 0367--7966), Issue 228, 2023
An overview of the methods used to estimate the mass of the Galaxy and the results obtained by various authors recently according to modern data is given. In particular, the estimates obtained based on the analysis of the galactic rotation curve, on
Externí odkaz:
http://arxiv.org/abs/2305.18408
Publikováno v:
Publications of the Pulkovo Observatory (ISSN 0367--7966), Issue 228, 2023
The work is devoted to the analysis of the influence of the galactic bar on the orbital motion of globular clusters in the central region of the Galaxy. For this task, 45 globular clusters were selected, 34 of which belong to the bulge/bar and 11 to
Externí odkaz:
http://arxiv.org/abs/2305.05012
Autor:
Bobylev, V. V., Bajkova, A. T.
The kinematics of about 2000 classical Cepheids of the Milky Way with data from Gaia\,EDR3 catalog has been studied. For some of these stars, there are line-of-sight velocities. On the basis of the nonlinear rotation model, the parameters of the rota
Externí odkaz:
http://arxiv.org/abs/2302.01618
Autor:
Bobylev, V. V., Bajkova, A. T.
Publikováno v:
IzvPulkovo, Issue 227 (2022)
In recent years, radio interferometric observations have achieved high accuracy in determining the absolute values of trigonometric parallaxes and proper motions of maser radiation sources and radio stars. The error in determining the trigonometric p
Externí odkaz:
http://arxiv.org/abs/2212.03045
The review is devoted to the Radcliffe Wave recently discovered by Alves et al. from the analysis of molecular clouds. These authors singled out a narrow chain of molecular clouds, elongated almost in one line, located at an inclination of about 30$^
Externí odkaz:
http://arxiv.org/abs/2212.01856
Autor:
Bajkova, A. T., Bobylev, V. V.
Publikováno v:
IzvPulkovo, Issue 227 (2022)
This paper provides a new catalog of orbits and their parameters for a practically complete list of currently known galactic globular clusters (GCs), compiled by Vasiliev (2019) based on the most accurate modern measurements of their velocities and p
Externí odkaz:
http://arxiv.org/abs/2212.00739
Autor:
Bobylev, V. V., Bajkova, A. T.
Publikováno v:
Astronomy Letters, 2021, Vol. 47, No 9, pp. 607-617
A linear Ogorodnikov-Milne model is applied to study the three-dimensional kinematics of classical Cepheids in the Milky Way. A sample of 832 classical Cepheids from Mr'oz et al. (2019) with distances, line-of-sight velocities, and proper motions fro
Externí odkaz:
http://arxiv.org/abs/2210.11793
Autor:
Bobylev, V. V., Bajkova, A. T.
Publikováno v:
Astronomy Reports, 2022, Vol. 66, No. 7, pp. 545-554
We study the kinematics of a sample of classical Cepheids younger than 120 Myr. For these stars, the estimates of distances taken from Skowron et al., which are based on the period-luminosity relation, and the line-of-sight velocities and the proper
Externí odkaz:
http://arxiv.org/abs/2207.06634
Autor:
Bobylev, V. V., Bajkova, A. T.
Publikováno v:
Astronomy Letters, 2022, Vol. 48, No. 3, pp. 169-177
We have analyzed the kinematics of 9750 OB2 stars with proper motions and parallaxes selected by Xu et al. from the Gaia EDR3 catalogue. The relative parallax errors for these stars do not exceed 10\%. Based on the entire sample of stars, we have fou
Externí odkaz:
http://arxiv.org/abs/2207.03412
Publikováno v:
Astronomy Letters, 2022, V. 48, Issue 4, pp. 243-255
We have analyzed the kinematics of OB stars from the list by Xiang et al. (2021) that contains $\sim$13 000 single OB stars. For these stars there are photometric distance estimates and proper motions from the Gaia catalogue and line-of-sight velocit
Externí odkaz:
http://arxiv.org/abs/2207.01924