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Title:
Comparing P Cygni's Spectroscopic Variability with that of other B-type Supergiants
Authors:
Rivinius, T.
Publication:
P Cygni 2000: 400 Years of Progress, ASP Conference Proceeding Vol. 233, Edited by M. de Groot and C. Sterken, San Francisco: Astronomical Society of the Pacific. ISBN: 1-58381-070-6, 2001, p. 149.
Publication Date:
06/2001
Origin:
AUTHOR
Comment:
ISBN: 1-58381-070-6
Bibliographic Code:
2001ASPC..233..149R

Abstract

The spectral variability of OBA super- and hypergiants is reviewed, based on the monitorings conducted by the Landessternwarte Heidelberg Hot Star Group. The datasets of a sample of more than two dozen stars cover typically a couple of months and a spectral range from 3500 to 8600 A, with a resolving power of 20000. Using these data sets, a scheme of the variability, changing as a function of the position in the Hertzsprung-Russell diagram, is proposed. The spectral variability of P Cygni is compared to these results.

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