Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...133..185b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 133, no. 1, April 1984, p. 185-191.
Astronomy and Astrophysics
Astrophysics
19
Binary Stars, Cepheid Variables, Stellar Mass Ejection, Anomalies, Astronomical Photometry, Companion Stars, Radial Velocity, Stellar Models
Scientific paper
If only single cepheids with periods less than or approximately equal to 10 d are considered, there is agreement between the theoretical, evolutionary, pulsation, and Wesselink masses. For single cepheids with periods greater than or equal to 10 d, the anomaly between theoretical and Wesselink masses (or radii) is most probably due to the use of calibrations based on inappropriate stellar evolutionary models. It is thought probable that the new generation of models for massive stars, including mass loss, will resolve this problem. It is noted that the agreement obtained by Cox (1979) was in spite of the use of inappropriate evolutionary models. The new evolutionary tracks for stellar models with mass loss must also give agreement between these three types of cepheid masses, but the values of the masses will be lower. What is more, the Wesselink mass values will probably also correspond to the other three mass determinations.
No associations
LandOfFree
On the cepheid mass anomaly - Duplicity and mass loss effects does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with On the cepheid mass anomaly - Duplicity and mass loss effects, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the cepheid mass anomaly - Duplicity and mass loss effects will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1498102