Tests of Effective Temperature — Colour Relations

  • R. A. Bell
Conference paper
Part of the International Astronomical Union / Union Astronomique Internationale book series (IAUS, volume 189)


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 M V , B—V and M V , V—I colour planes and compared with observations of stars in the globular cluster М92. The agreement is good in both colour—magnitude diagrams.


Effective Temperature Globular Cluster Solar Model Synthetic Spectrum Angular Diameter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media Dordrecht 1997

Authors and Affiliations

  • R. A. Bell
    • 1
  1. 1.Department of AstronomyUniversity of MarylandUSA

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