A supergiants UV and visible spectra (Verdugo+, 1999)

Details A supergiants UV and visible spectra (Verdugo+, 1999) A supergiants UV and visible spectra (Verdugo+, 1999)

Apr 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ycat..41370351v&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/137/351. Originally published in: 1999A&AS..137..351V

Physics

Stars: Supergiant, Atlases, Spectra: Ultraviolet

Scientific paper

This paper is the first of a series whose aim is to perform a systematic study of A-type supergiant atmospheres and winds. Here we present a spectral atlas of 41 A-supergiants observed by us in high and medium resolution in the visible and ultraviolet. The atlas consists of profiles of the Hα, Hβ, Hγ, Hδ, Hɛ, Ca II (H and K), Na I (D1 and D2), Mg II4481, Mg II [uv1] and Fe II [uv1, uv2, uv3, uv62, uv63, uv161] lines for 41 stars with spectral types ranging from B9 to A9 and luminosity classes Ia, Iab and Ib, and provides the basic data for a thoughtful study of these stars. The overall characteristics of the sample as well as the data reduction procedures are described. We also present some examples of spectral variability. (1 data file).

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