Stellar age and mass determinations from kinematic data

Details Stellar age and mass determinations from kinematic data Stellar age and mass determinations from kinematic data

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ap%26ss..73..435i&link_type=abstract

Astrophysics and Space Science, vol. 73, no. 2, Dec. 1980, p. 435-443.

Astronomy and Astrophysics

Astrophysics

1

Early Stars, Kinematic Equations, Stellar Evolution, Stellar Mass, Chronology, Dwarf Stars, Supermassive Stars

Scientific paper

The formula expressing the growth of the velocity variance with time has been generalized by adding a mass term (M/solar mass) exp alpha (where alpha = 0.35) which is a good fit to the kinematic data for young stars; it is assumed that some exchange of energy between stars in the galactic disk may be at work. The generalized formulas and Iben's (1967) evolutionary mass-age relation were jointly used to derive mass and age values for different stellar species.

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