Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.213..519c&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 213, April 1, 1985, p. 519-552.
Astronomy and Astrophysics
Astronomy
62
A Stars, Astronomical Photometry, Stellar Rotation, Atmospheric Models, F Stars, Main Sequence Stars, Stellar Atmospheres
Scientific paper
Previous studies of stellar rotation have been largely confined to the effects on individual stars in rigid rotation. These studies are extended in two ways: (1) detailed stellar atmosphere models are used to compute for the first time the photometric effects of differential as well as rigid rotation; results are given for both the Johnson and the Stromgren systems for late B, A and early F stars; (2) statistical results are obtained for an ensemble of stars in that spectral range, for comparison with the observed properties of galactic clusters. The well-known qualitative result that differential rotation produces a larger scatter in photometric diagrams than does rigid rotation is confirmed, but a number of quantitative subtleties is found that significantly complicate any comparison with observations.
Collins George W. II
Smith Christopher R.
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