The radial velocity of the Hyades cluster

Radial velocities for thirty-nine members or suspected members of the Hyades cluster are determined through direct comparison with solar system objects. Using these new data for 17 nonvariable members, plus additional published radial velocities, a new cluster radial velocity (+ 39.1 + or - 0.2 km/s...

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Bibliographic Details
Published in:The Astronomical journal 1984-07, Vol.89, p.1038-1049
Main Authors: Detweiler, H. L., Yoss, K. M., Radick, R. R., Becker, S. A.
Format: Article
Language:English
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Summary:Radial velocities for thirty-nine members or suspected members of the Hyades cluster are determined through direct comparison with solar system objects. Using these new data for 17 nonvariable members, plus additional published radial velocities, a new cluster radial velocity (+ 39.1 + or - 0.2 km/s) is derived. A radial-velocity convergent point also is obtained, which is in agreement with those derived through proper-motion data. No significant correction to the standard Hyades distance is required by these new velocity data, but specific cluster distances obtained in previous investigations are adjusted by small amounts.
ISSN:0004-6256
DOI:10.1086/113599