Polarization and infrared colors of symbiotic stars

Details Polarization and infrared colors of symbiotic stars Polarization and infrared colors of symbiotic stars

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...181..213s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 181, no. 1, July 1987, p. 213-216.

Astronomy and Astrophysics

Astronomy

9

Infrared Spectra, Linear Polarization, Optical Polarization, Stellar Color, Stellar Envelopes, Symbiotic Stars, Cool Stars, Infrared Astronomy Satellite, Stellar Spectrophotometry

Scientific paper

The present results of a continuing study of symbiotic star optical linear polarization properties aims to obtain a statistically significant sample that will serve as a basis for the study of their circumstellar matter's geometrical arrangement and relationship to stellar components. In total, intrinsic linear polarization is detected in 9 out of 23 symbiotic stars; these are noted to be observed at a higher frequency when the associated cool component is of spectral type later than M4. Intrinsic polarization is found to be more common among systems belonging to the D infrared type. Dust scattering in the asymmetric circumstellar environment of symbiotic systems plays a role in the production of polarization, at least in D-type objects.

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