Mass loss estimates for Cepheid variables

Details Mass loss estimates for Cepheid variables Mass loss estimates for Cepheid variables

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986iraj...17..286d&link_type=abstract

Irish Astronomical Journal (ISSN 0021-1052), vol. 17, March 1986, p. 286-288.

Astronomy and Astrophysics

Astronomy

1

Cepheid Variables, Stellar Evolution, Stellar Mass Ejection, H Lines, Infrared Radiation, K Lines, Line Spectra, Stellar Models, Ultraviolet Spectra

Scientific paper

Pulsation theory and the theory of stellar evolution yield estimates for Cepheid masses which disagree to different extents depending, for instance, on the adopted calibration of the period-luminosity relation. For example, Schmidt's (1984) distance scale (revised after redetermining the distance moduli of open clusters with Cepheids) finds the pulsation to be less than the evolutionary masses. Since the beat and bump masses are consistent with the pulsation masses in this scheme, it seems that the evolutionary models used, which have neglected mass loss, are in need of revision.

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