An IRAS survey of main sequence B, A, and F stars
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Abstract
Results are presented of an IRAS survey of main-sequence B, A, and F stars, based on three primary sources as a data base: the Bernacca-Perinotto Catalog of Stellar Rotational Velocities, the Michigan Spectral Catalog, and the Bright Star Catalog. The stars in the data base are divided into four categories: (1) main-sequence single stars, (2) main-sequence close binary stars, (3) spectrally peculiar stars such as Am, Ap, Fm, and Fp stars, and (4) subgiants. It is found that about 20 percent of main-sequence single stars show an IR color excess in at least one of the 12, 25, or 60 micron IRAS bands, while the other three groups do not show any statistically significant percentage of IR color excess stars. It is also found that stars with large (v sin i) values are more likely to show color excesses at IRAS wavelengths than stars with small (v sin i) values.
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