Symbiotic Miras

Details Symbiotic Miras Symbiotic Miras

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99..573w&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, July 1987, p. 573-591.

Astronomy and Astrophysics

Astronomy

172

Binary Stars, Mira Variables, Stellar Evolution, Stellar Spectrophotometry, Symbiotic Stars, Infrared Astronomy Satellite, Line Spectra, Near Infrared Radiation, Radio Spectra, Spectral Resolution, X Ray Spectra

Scientific paper

This paper concerns interacting binary systems involving Mira variables. Twenty-six objects which potentially fall into this category are identified and observations of them covering the spectral regions from X-ray to radio are reviewed. Particular emphasis is given to near-infrared observations which are pertinent to establishing the presence of a Mira variable and also to new far-infrared data from IRAS. The majority of the objects under consideration have been classified as symbiotic stars. They are closely related to the well-known binary, o Cet, which might be described as 'mildly' symbiotic. It is shown how the knowledge of normal Miras can contribute to the understanding of the evolutionary condition and luminosities of these binary Miras. Distances are derived for those objects with measured pulsation periods. The significance of the relatively long pulsation periods shown by these objects is also discussed.

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