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1978•Symposium - International Astronomical UnionOpen access

Comparison Between Observational and Theoretical (log Teff, Mbol) Diagrams

G. Cayrel de Strobel, M. N. Perrin

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Abstract

In a paper by Perrin et al. (1977), we have constructed an empirical HR diagram for 138 nearby F, G and K stars, for which we had: i) an effective temperature and a metal content derived from a detailed analysis; ii) a reliable bolometric magnitude obtained from an absolute magnitude My, based on a large parallax and a rather small bolometric correction.

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In a paper by Perrin et al. (1977), we have constructed an empirical HR diagram for 138 nearby F, G and K stars, for which we had: i) an effective temperature and a metal content derived from a detailed analysis; ii) a reliable bolometric magnitude obtained from an absolute magnitude My, based on a large parallax and a rather small bolometric correction.

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In a paper by Perrin et al. (1977), we have constructed an empirical HR diagram for 138 nearby F, G and K stars, for which we had: i) an effective temperature and a metal content derived from a detailed analysis; ii) a reliable bolometric magnitude obtained from an absolute magnitude My, based on a large parallax and a rather small bolometric correction.

Key concepts: Magnitude (astronomy), Diagram, Parallax, Absolute magnitude, Astrophysics, Physics, Stars, Bolometer

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