The cool components of symbiotic stars. II - Infrared photometry

Details The cool components of symbiotic stars. II - Infrared photometry The cool components of symbiotic stars. II - Infrared photometry

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....96..337k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 96, July 1988, p. 337-345.

Astronomy and Astrophysics

Astronomy

68

Cool Stars, Infrared Photometry, Stellar Spectrophotometry, Symbiotic Stars, Brightness, Red Giant Stars, Stellar Luminosity, Stellar Models

Scientific paper

This paper reports infrared photometry for a sample of symbiotic binaries and K-M comparison stars. Measured CO absorption-band strengths of the cool components in symbiotic stars generally are comparable to those of single red giant and bright giant stars, but it is difficult to determine the luminosity classes of these objects from their photometric CO indices. The 12 μm excesses observed in symbiotics require their cool components to lose mass more rapidly than do single red giant stars. Thus, mass-loss rates derived for red giants in close binary systems may not be accurate estimates for mass loss in single red giants.

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