Further studies of stellar rotation from Copernicus satellite data

Details Further studies of stellar rotation from Copernicus satellite data Further studies of stellar rotation from Copernicus satellite data

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pasp...91..313h&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 91, June-July 1979, p. 313-318.

Astronomy and Astrophysics

Astronomy

36

Early Stars, Oao 3, Spectral Line Width, Stellar Rotation, Ultraviolet Astronomy, Astronomical Catalogs, B Stars, Histograms, O Stars, Satellite Observation

Scientific paper

Rotationally broadened line widths are measured from lambda spectrum scans of 26 O and B stars. Similar quantities are measured in the visual spectral region for about half of them. The ratio of these line widths, and values for V crit and V sin i are derived and used to estimate omega and i for 24 stars. The applicability of the simple theory of Hutchings (1976) is discussed and the distributions of omega and i for the whole samples of B and Be stars from this and previous investigations are examined and discussed. Of particular interest is the indication that Be stars do not rotate at V crit' and have a random distribution of rotational axes.

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