Symbiotic Stars: Infrared Spectroscopy and Orbits

Details Symbiotic Stars: Infrared Spectroscopy and Orbits Symbiotic Stars: Infrared Spectroscopy and Orbits

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541610h&link_type=abstract

American Astronomical Society, AAS Meeting #215, #416.10; Bulletin of the American Astronomical Society, Vol. 42, p.268

Astronomy and Astrophysics

Astronomy

Scientific paper

Since the mid-1980's symbiotic stars have been recognized as mass transfer binaries consisting of a cool giant and a hot star. The hot star is typically a white dwarf but is in one case a neutron star. In principle the secondary can be a main sequence star but no systems of this type have been identified. From the characteristics of the systems at infrared wavelengths symbiotics are separated into D, for dusty, and S, for stellar, subclasses. We report on our on-going program of infrared spectroscopy of these interacting binaries. To date we have determined orbits of 24 S-type systems. We have characterized the pulsations of the Mira primary in 14 D-type systems. We will summarize the characteristics of these classes of objects.

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