The Evolution of A and B Type Stars in the Main Sequence: Theory Predictions and Observational Constraints

Details The Evolution of A and B Type Stars in the Main Sequence: Theory Predictions and Observational Constraints The Evolution of A and B Type Stars in the Main Sequence: Theory Predictions and Observational Constraints

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confe..12b&link_type=abstract

"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 12-12"

Astronomy and Astrophysics

Astrophysics

Scientific paper

A and B type stars display a large variety of peculiar characteristics, including anomalous chemical composition, stratification of the chemical elements, presence of strong and ordered magnetic fields. For this and other reasons, A and B-type stars may be considered as specially interesting laboratories for stellar astrophysics. I will review the observational results about composition and distribution of the chemical elements over the stellar photosphere, about the morphology and strength of the magnetic fields, and about the evolution of these characteristics during the star's life in the main sequence. I will compare theory predictions against recent observational results.

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