Kinematic Parameters of the Stellar Velocity Field within 3 kpc of the Sun Based on the Gaia Data Release 2 with Radial Velocities Catalogu

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Kinematic Parameters of the Stellar Velocity Field within 3 kpc of the Sun Based on the Gaia Data Release 2 with Radial Velocities Catalogu. / Tsvetkov, A. S. ; Amosov, F. A. .

в: Astronomy Letters, Том 45, № 7, 2019, стр. 462-473.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{a1c45b0ef00c4798b4de80c730497d47,

title = "Kinematic Parameters of the Stellar Velocity Field within 3 kpc of the Sun Based on the Gaia Data Release 2 with Radial Velocities Catalogu",

abstract = "The paper is devoted to determining the parameters of the three-dimensional Ogorodnikov—Milne kinematic model based on the Gaia DR2 star catalogue (the subset of seven million stars containing radial velocities). The behavior of the parameters as a function of the distance to stars is studied. The parameters derived from the stellar proper motions and radial velocities agree well with one another. It is noted that the angular velocity of rotation retains its stability up to distances of ~3 kpc, while the parameter responsible for the translational motion along the Y axis abruptly begins to change from distances starting from 1 kpc.",

keywords = "Galactic rotation, Ogorodnikov—Milne model, proper motions, radial velocities, stellar kinematics, Ogorodnikov-Milne model, STARS",

author = "Tsvetkov, {A. S.} and Amosov, {F. A.}",

note = "Tsvetkov, A.S., Amosov, F.A. Kinematic Parameters of the Stellar Velocity Field within 3 kpc of the Sun Based on the Gaia Data Release 2 with Radial Velocities Catalogue. Astron. Lett. 45, 462–473 (2019). https://doi.org/10.1134/S1063773719070077",

year = "2019",

doi = "10.1134/S1063773719070077",

language = "English",

volume = "45",

pages = "462--473",

journal = "Astronomy Letters",

issn = "1063-7737",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "7",

}

RIS

TY - JOUR

T1 - Kinematic Parameters of the Stellar Velocity Field within 3 kpc of the Sun Based on the Gaia Data Release 2 with Radial Velocities Catalogu

AU - Tsvetkov, A. S.

AU - Amosov, F. A.

N1 - Tsvetkov, A.S., Amosov, F.A. Kinematic Parameters of the Stellar Velocity Field within 3 kpc of the Sun Based on the Gaia Data Release 2 with Radial Velocities Catalogue. Astron. Lett. 45, 462–473 (2019). https://doi.org/10.1134/S1063773719070077

PY - 2019

Y1 - 2019

N2 - The paper is devoted to determining the parameters of the three-dimensional Ogorodnikov—Milne kinematic model based on the Gaia DR2 star catalogue (the subset of seven million stars containing radial velocities). The behavior of the parameters as a function of the distance to stars is studied. The parameters derived from the stellar proper motions and radial velocities agree well with one another. It is noted that the angular velocity of rotation retains its stability up to distances of ~3 kpc, while the parameter responsible for the translational motion along the Y axis abruptly begins to change from distances starting from 1 kpc.

AB - The paper is devoted to determining the parameters of the three-dimensional Ogorodnikov—Milne kinematic model based on the Gaia DR2 star catalogue (the subset of seven million stars containing radial velocities). The behavior of the parameters as a function of the distance to stars is studied. The parameters derived from the stellar proper motions and radial velocities agree well with one another. It is noted that the angular velocity of rotation retains its stability up to distances of ~3 kpc, while the parameter responsible for the translational motion along the Y axis abruptly begins to change from distances starting from 1 kpc.

KW - Galactic rotation

KW - Ogorodnikov—Milne model

KW - proper motions

KW - radial velocities

KW - stellar kinematics

KW - Ogorodnikov-Milne model

KW - STARS

UR - http://www.scopus.com/inward/record.url?scp=85073382745&partnerID=8YFLogxK

U2 - 10.1134/S1063773719070077

DO - 10.1134/S1063773719070077

M3 - Article

VL - 45

SP - 462

EP - 473

JO - Astronomy Letters

JF - Astronomy Letters

SN - 1063-7737

IS - 7

ER -

ID: 46327892