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Tests of effective temperature – colour relations

Published online by Cambridge University Press:  25 May 2016

R.A. Bell
R.A. Bell*
Affiliation:
Department of Astronomy, University of Maryland, College Park, MD 20742, USA

Abstract

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This paper discusses some tests of synthetic spectra used in the calculation of synthetic colours, as well as some of the problems which arise in these calculations. Synthetic colours are tested in two ways. Firstly, observed angular diameters of stars are compared with ones predicted from stellar temperatures derived from synthetic colours and the infrared flux method. The average difference is less than 2%. Secondly, a very metal-poor isochrone is transformed to the Mv, B–V and Mv, V–I colour planes and compared with observations of stars in the globular cluster M92. The agreement is good in both colour–magnitude diagrams.

Type
The Stellar Effective Temperature Scale
Information
Symposium - International Astronomical Union , Volume 189: Fundamental Stellar Properties: The Interaction Between Observation and Theory , 1997 , pp. 159 - 168
Copyright
Copyright © Kluwer 1997 

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