Comparison between the masses of Delta Scuti-variables

Details Comparison between the masses of Delta Scuti-variables Comparison between the masses of Delta Scuti-variables

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.173....1t&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 173, no. 1, Nov. 1990, p. 1-12.

Astronomy and Astrophysics

Astrophysics

5

Stellar Mass, Variable Stars, Stellar Composition, Stellar Evolution

Scientific paper

The photometric observations of Breger (1979) are used to calculate the pulsation-based masses M(Q) and the surface-gravity-based masses M(g) of 89 Delta Sct variables. The data and results are presented in tables and compared with the evolution-based masses M(e) determined by Tsvetkov (1986). Good agreement is found among the three mass estimates in most cases, although some variables exhibit significant discrepancies between M(Q) on the one hand and M(g) and M(e) on the other. The possible reasons for these differences are discussed in detail.

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