Spectra and radial velocities of white supergiants

Details Spectra and radial velocities of white supergiants Spectra and radial velocities of white supergiants

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26as...75...79d&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 75, no. 1, Oct. 1988, p. 79-92.

Astronomy and Astrophysics

Astrophysics

6

Radial Velocity, Stellar Spectra, Supergiant Stars, Visible Spectrum, A Stars, B Stars, Balmer Series, H Lines, Metallicity, Stellar Atmospheres

Scientific paper

The visual spectra of two late B (HD 199478 and HD 21291) and one early A (HD 21389) type nebulosity related supergiants are presented. Line profiles of hydrogen and metals are described extensively and compared with early observations. Also Balmer progression and radial velocity versus optical depth diagrams have been constructed. During the observational period hydrogen and metallic line profiles and their radial velocities exhibited variations which were rather similar to those observed in Be stars.

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