On the rotation of star clusters

On the rotation of star clusters

A cluster of stars with a translational motion in the plane of the sky will appear to rotate with an angular velocity equal to the cluster's overall proper motion. The effect is evaluated for Cudworth's method of proper-motion dispersions.

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Veröffentlicht in:The Astronomical journal 1980-09, Vol.85, p.1274
1. Verfasser: Noonan, T. W.
Format: Artikel
Sprache:eng
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Beschreibung
Zusammenfassung:A cluster of stars with a translational motion in the plane of the sky will appear to rotate with an angular velocity equal to the cluster's overall proper motion. The effect is evaluated for Cudworth's method of proper-motion dispersions.
ISSN:0004-6256
DOI:10.1086/112796