Chemically peculiar members of star groups differing in age

Details Chemically peculiar members of star groups differing in age Chemically peculiar members of star groups differing in age

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63..240k&link_type=abstract

(Astronomicheskii Zhurnal, vol. 63, Mar.-Apr. 1986, p. 240-245) Soviet Astronomy (ISSN 0038-5301), vol. 30, Mar.-Apr. 1986, p. 1

Astronomy and Astrophysics

Astronomy

3

Peculiar Stars, Pre-Main Sequence Stars, Star Clusters, Stellar Atmospheres, Stellar Composition, Stellar Evolution, A Stars, B Stars, Chemical Composition, Hertzsprung-Russell Diagram, Quantitative Analysis, Stellar Temperature

Scientific paper

The parameters of the atmospheres for 91 Bp and Ap stars in the age range lg t = 6.4 - 8.7 have been obtained. A conclusion is made that during the main-sequence phase of evolution the degree of peculiarity of the stars does not depend on their age. It is suggested that the chemically peculiar stars obtain the observed peculiarities at the earliest stages of star formation, in the pre-main-sequence phase.

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