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The Hyades Cluster — Too Distant?

Published online by Cambridge University Press:  14 August 2015

Phillip J. Flower
Phillip J. Flower*
Affiliation:
Joint Institute for Laboratory Astrophysics University of Colorado and National Bureau of Standards

Extract

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Theoretical zero age main sequences (TZAMS) from Flower (1976) are compared with two observed zero age main sequences (ZAMS) in Fig. 1.: ZAMS40, based on a distance of 40 pc (Sandage 1957) and ZAMS46 on a distance of 46 pc (see Flower 1977 for Teff: (B-V): BC scales). Although ZAMS46 lies above any TZAMS, the TZAMS can be shifted in luminosity by changing the chemical composition.

Type
Part IV: HR Diagrams, Clusters
Information
Symposium - International Astronomical Union , Volume 80: The HR Diagram , 1978 , pp. 151 - 154
Copyright
Copyright © Reidel 1978 

References

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