Mass loss, linear polarization variability, and duplicity of the luminous B2 supergiant HD 80077

Details Mass loss, linear polarization variability, and duplicity of the luminous B2 supergiant HD 80077 Mass loss, linear polarization variability, and duplicity of the luminous B2 supergiant HD 80077

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...110..263k&link_type=abstract

Astronomy and Astrophysics, vol. 110, no. 2, June 1982, p. 263-271. Research supported by the National Research Council of Cana

Astronomy and Astrophysics

Astrophysics

13

B Stars, Linear Polarization, Stellar Mass Ejection, Stellar Spectra, Supergiant Stars, Variable Stars, Electrophotometry, Radial Velocity, Stellar Luminosity, Stellar Spectrophotometry, Variability

Scientific paper

Photographic coude spectroscopy, linear polarimetry, and wideband photoelectric photometry of HD 80077 are presented. It is shown that this star may be a single-line spectroscopic binary with a low mass, possibly compact companion. A period of 21.2 plus or minus 0.2 d is determined from the polarimetry. Several independent observational constraints lead to an absolute bolometric magnitude of -10.4 plus or minus 0.5, putting HD 80077 among the brightest known B-type supergiants in the Galaxy.

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