Ultraviolet energy distribution of Wolf-Rayet stars

Details Ultraviolet energy distribution of Wolf-Rayet stars Ultraviolet energy distribution of Wolf-Rayet stars

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980esasp.157..249s&link_type=abstract

The second European International Ultraviolet Explorer (IUE) Conference, held 26-28 March 1980 in Tübingen, West Germany. Edited

Astronomy and Astrophysics

Astronomy

4

Hot Stars, Iue, Spectral Energy Distribution, Ultraviolet Astronomy, Wolf-Rayet Stars, Astronomical Photometry, Black Body Radiation, Carbon, Continuous Spectra, Emission Spectra, Interstellar Extinction, Oxygen, Stellar Spectra

Scientific paper

Low resolution spectra of 15 Wolf-Rayet stars (10 WN and 5 WC stars) were analyzed to investigate their UV continuum distribution. The reddening observed for Wolf-Rayet stars is found to follow the general galactic interstellar extinction law. Color excesses for each star are deduced from the observed strength of the 2200A feature. The combined de-reddened UV-visible continua are compared with black body energy distributions to deduce color temperatures. Four stars are analyzed on the basis of Cassinelli and Hartmann's theory for extended emitting regions.

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