Fundamental stellar parameters derived from the evolutionary tracks

Details Fundamental stellar parameters derived from the evolutionary tracks Fundamental stellar parameters derived from the evolutionary tracks

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..80..353s&link_type=abstract

Astrophysics and Space Science, vol. 80, no. 2, Dec. 1981, p. 353-368.

Astronomy and Astrophysics

Astrophysics

331

Astrometry, Hertzsprung-Russell Diagram, Stellar Evolution, Stellar Gravitation, Stellar Spectra, Stellar Temperature, Bolometers, M Stars, Mass To Light Ratios, Radii, Spectral Line Width, Stellar Magnitude

Scientific paper

Surface gravities and radii of stars are calculated for different MK spectral types using the masses of stars determined from their evolutionary tracks in the HR diagram and values of effective temperatures and absolute bolometric magnitudes. MK spectral types are calibrated in absolute visual magnitudes, and reasonable agreement is found between the masses and gravities for disk population stars determined from the theory of evolution and observational data. This agreement justifies the use of results from calibrations of MK spectral types in surface gravities to calibrate multicolor photometric systems and determine evolutionary stages of stars.

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