Spectral variations of HD 192163

Details Spectral variations of HD 192163 Spectral variations of HD 192163

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980rmxaa...5...45k&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, vol. 5, Apr. 1980, p. 45-49.

Astronomy and Astrophysics

Astronomy

30

Binary Stars, Hot Stars, Nebulae, Stellar Spectra, Companion Stars, Helium, Radial Velocity, Stellar Envelopes

Scientific paper

Medium dispersion (0.7 A per channel) spectra of HD 192163 in the 4470-4800 A region are examined for profile and radial velocity variations. The star is variable in both senses. The mean velocity of the system is found to be approximately -100 km/sec. The profile variations are similar, but not so strong as those in HD 50896 which is known to be a binary. This analysis supports the idea that HD 192163 may be a binary system. The presence of a collapsed companion is suggested.

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