Discovery of a 9.5-year period in the symbiotic star V 1016 CYG

Details Discovery of a 9.5-year period in the symbiotic star V 1016 CYG Discovery of a 9.5-year period in the symbiotic star V 1016 CYG

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...192l..10n&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 192, no. 1-2, March 1988, p. L10-L12. SNSF-supported research.

Astronomy and Astrophysics

Astronomy

8

Double Stars, Infrared Astronomy, Mira Variables, Stellar Spectra, Symbiotic Stars, Ionizing Radiation, Ultraviolet Spectra

Scientific paper

Near-infrared observations show that the symbiotic star V1016 Cyg contains a periodicity of 450 days. From ultraviolet observations (IUE) the authors now find a period of 9.5 years. They suggest that V1016 Cyg is a double star system with an orbital period of ≈9.5 years containing a Mira variable. The nature of the source of the hot ionizing radiation is still unknown.

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