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The Hyades Cluster — Too Distant?
Published online by Cambridge University Press: 14 August 2015
Extract
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
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- Copyright © Reidel 1978