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The Trigonometric Parallax of the Hyades Cluster by W. F. van Altena; J. T. Lee; E. D. Hoffleit is a Physics and Astronomy article available to read on EtoBox.

What is The Trigonometric Parallax of the Hyades Cluster about?

The recent completion of the Fourth Edition of the General Catalogue of Trigonometric Parallaxes (YPC) has enabled us to redetermine the trigonometric parallax of the Hyades Cluster based on individual measurements of the cluster member stars. Since the YPC has been carefully evaluated and corrected for systematic errors in both the absolute parallaxes and their error estimates, we believe that the derived distance modulus represents the best that can be done until the Hubble Space Telescope and Hipparcos parallaxes become available for cluster member stars. Our adopted solution for the weighted mean parallax of 104 Hyades Cluster members is + 0'.Ό2171 ± 0100059 s.e., which corresponds to a distance modulus of 3.32 ± 0.06 mag. We believe that for the present time it is appropriate to adopt 3.30 ± 0.05 mag. as the most likely value for the distance modulus of the Hyades Cluster.

Who reads The Trigonometric Parallax of the Hyades Cluster?

Author

W. F. van Altena; J. T. Lee; E. D. Hoffleit

Publisher

Walter de Gruyter GmbH

Published

1997

Language

EN

Field

Physics and Astronomy (Physical Sciences)