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Proper motions of open star clusters and the rotation rate of the galaxy. / Loktin, A. v.; Beshenov, G. v.
In: Astronomy Reports, Vol. 47, No. 1, 01.01.2003, p. 6-10.

Research output: Contribution to journal › Article › peer-review

Harvard

Loktin, AV & Beshenov, GV 2003, 'Proper motions of open star clusters and the rotation rate of the galaxy', Astronomy Reports, vol. 47, no. 1, pp. 6-10. https://doi.org/10.1134/1.1538491

APA

Loktin, A. V., & Beshenov, G. V. (2003). Proper motions of open star clusters and the rotation rate of the galaxy. Astronomy Reports, 47(1), 6-10. https://doi.org/10.1134/1.1538491

Vancouver

Loktin AV, Beshenov GV. Proper motions of open star clusters and the rotation rate of the galaxy. Astronomy Reports. 2003 Jan 1;47(1):6-10. doi: 10.1134/1.1538491

Author

Loktin, A. v. ; Beshenov, G. v. / Proper motions of open star clusters and the rotation rate of the galaxy. In: Astronomy Reports. 2003 ; Vol. 47, No. 1. pp. 6-10.

BibTeX

@article{e492cb79d33e41a39d78adf713d42787,
title = "Proper motions of open star clusters and the rotation rate of the galaxy",
abstract = "The mean proper motions of 167 Galactic open clusters with radial-velocity measurements are computed from the data of the Tycho-2 catalog using kinematic and photometric cluster membership criteria. The resulting catalog is compared to the results of other studies. The new proper motions are used to infer the Galactic rotation rate at the solar circle, which is found to be ω0 = +24.6 ± 0.8 km s-1 kpc-1. Analysis of the dependence of the dispersion of >0 estimates on heliocentric velocity showed that even the proper motions of clusters with distances r > 3 kpc contain enough useful information to be used in kinematic studies demonstrating that the determination of proper motions is quite justified even for very distant clusters.",
author = "Loktin, {A. v.} and Beshenov, {G. v.}",
year = "2003",
month = jan,
day = "1",
doi = "10.1134/1.1538491",
language = "English",
volume = "47",
pages = "6--10",
journal = "Astronomy Reports",
issn = "1063-7729",
publisher = "Pleiades Publishing",
number = "1",

}

RIS

TY - JOUR

T1 - Proper motions of open star clusters and the rotation rate of the galaxy

AU - Loktin, A. v.

AU - Beshenov, G. v.

PY - 2003/1/1

Y1 - 2003/1/1

N2 - The mean proper motions of 167 Galactic open clusters with radial-velocity measurements are computed from the data of the Tycho-2 catalog using kinematic and photometric cluster membership criteria. The resulting catalog is compared to the results of other studies. The new proper motions are used to infer the Galactic rotation rate at the solar circle, which is found to be ω0 = +24.6 ± 0.8 km s-1 kpc-1. Analysis of the dependence of the dispersion of >0 estimates on heliocentric velocity showed that even the proper motions of clusters with distances r > 3 kpc contain enough useful information to be used in kinematic studies demonstrating that the determination of proper motions is quite justified even for very distant clusters.

AB - The mean proper motions of 167 Galactic open clusters with radial-velocity measurements are computed from the data of the Tycho-2 catalog using kinematic and photometric cluster membership criteria. The resulting catalog is compared to the results of other studies. The new proper motions are used to infer the Galactic rotation rate at the solar circle, which is found to be ω0 = +24.6 ± 0.8 km s-1 kpc-1. Analysis of the dependence of the dispersion of >0 estimates on heliocentric velocity showed that even the proper motions of clusters with distances r > 3 kpc contain enough useful information to be used in kinematic studies demonstrating that the determination of proper motions is quite justified even for very distant clusters.

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U2 - 10.1134/1.1538491

DO - 10.1134/1.1538491

M3 - Article

VL - 47

SP - 6

EP - 10

JO - Astronomy Reports

JF - Astronomy Reports

SN - 1063-7729

IS - 1

ER -

ID: 44070351