Absolute-magnitude calibration of normal stars. V

Details Absolute-magnitude calibration of normal stars. V Absolute-magnitude calibration of normal stars. V

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...145..331g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 145, no. 2, April 1985, p. 331-338.

Astronomy and Astrophysics

Astrophysics

22

Main Sequence Stars, Maximum Likelihood Estimates, Star Distribution, Stellar Magnitude, A Stars, Calibrating, Dwarf Stars, Giant Stars, Hertzsprung-Russell Diagram, Open Clusters, Statistical Analysis, Stellar Evolution, Stellar Luminosity, Stellar Parallax

Scientific paper

A statistical-parallax algorithm based on the principle of maximum likelihood has been used to determine the absolute magnitudes of field stars belonging to the luminosity classes V and III and to the spectral range B5 - F5. The final results are gathered for apparent-magnitude and distance-limited samples, respectively. They represent a significant improvement compared to previous absolute-magnitude calibrations. Moreover, they agree with modern stellar evolution theories. The authors also rediscuss their previous results on the location of various peculiar-star groups in the HR diagram. Maximum ages for the different groups are also derived from stellar-evolution theory.

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