Optical spectroscopy of V 1016 Cygni during 1983-1985

Details Optical spectroscopy of V 1016 Cygni during 1983-1985 Optical spectroscopy of V 1016 Cygni during 1983-1985

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...197..161w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 197, no. 1-2, May 1988, p. 161, 162.

Astronomy and Astrophysics

Astrophysics

3

Cool Stars, Cygnus Constellation, Optical Emission Spectroscopy, Stellar Mass Ejection, Stellar Winds, Symbiotic Stars, X Ray Binaries, Emission Spectra, Line Spectra, Radial Velocity

Scientific paper

High dispersion spectra in the visual region of V1016 Cyg show little change in line profiles as compared with spectra taken in the interval 1978 - 1982. The radial velocity which rose from -73 km s-1 to -64 km s-1 between 1978 and 1980 has remained year near -64 km s-1 from 1982 to 1985. These data limit any orbit of high inclination to a period greater than about 25 yr or to a large eccentricity. If the system consists of a binary with an orbit of low inclination then the double-peaked profiles seen in many forbidden lines may be due to a bipolar flow roughly perpendicular to the plane of the orbit.

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