IR excesses in Be stars

Details IR excesses in Be stars IR excesses in Be stars

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....94..123c&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 94, July 1987, p. 123-128.

Astronomy and Astrophysics

Astronomy

11

B Stars, Emission Spectra, Infrared Spectra, Stellar Models, Angular Velocity, H Alpha Line, Near Infrared Radiation, Optical Thickness, Stellar Luminosity, Stellar Temperature

Scientific paper

Infrared excesses are empirically derived for a sample of bright Be stars based on IRAS data and previously published near-infrared photometry. The excesses are compared with published Hα luminosities and are found to be correlated. The data are compared with the theoretically expected relation between the sum of free-free and free-bound continua and the Hα recombination-line intensity from a common envelope. The inclusion of temperature and optical-depth effects is necessary to produce agreement between observations and theory. No significant correlation is detected between LIR/LHα ratios and rotational velocities.

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