Ram Sagar, ; Bhatt, Harish C. (1989) Internal kinematics of open star clusters Monthly Notices of the Royal Astronomical Society, 236 . pp. 865-874. ISSN 0035-8711
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Official URL: http://ads.iucaa.ernet.in/abs/1989MNRAS.236..865S
Abstract
Proper motion data have been used to study the internal kinematics in eight open star clusters. The dependence of the intrinsic dispersion in proper motion on stellar mass and radial distance from the cluster centre have been studied. In most clusters no such dependence is observed. Velocity isotropy has been observed in all the clusters studied here, except in NGC 2516, in which the radial and tangential components of the intrinsic velocity dispersion are different in the outer regions (R > 2 pc) of the cluster.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons. |
| Keywords: | Kinematics; Star Clusters; Stellar Motions; Anisotropy; Stellar Mass; Velocity Distribution |
| ID Code: | 65713 |
| Deposited On: | 17 Oct 2011 10:35 |
| Last Modified: | 17 Oct 2011 10:35 |
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