Helium 10830-A line in alpha Virginis A and B

Details Helium 10830-A line in alpha Virginis A and B Helium 10830-A line in alpha Virginis A and B

Jun 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...198..551m&link_type=abstract

Astrophysical Journal, vol. 198, June 15, 1975, pt. 1, p. 551-553. Research supported by the State University of New York;

Astronomy and Astrophysics

Astrophysics

2

Binary Stars, Early Stars, Mass Ratios, Stellar Spectra, Astronomical Spectroscopy, Helium, Line Spectra, Spectrum Analysis

Scientific paper

Line profiles and velocities of the He I 10830-A line, obtained at maximum velocity separation of the spectroscopic binary Spica (alpha Vir), are presented. A mass ratio of 1.4 is derived as well as an equatorial velocity of 88 km/s for alpha Vir A. A meaningful discussion of observed equivalent widths of the He I 10830-A line awaits a more certain determination of the spectral classification of alpha Vir B.

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