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On the Atmospheres of the Wolf-Rayet Stars

Published online by Cambridge University Press:  14 August 2015

B. A. Vorontsov-Velyaminov
B. A. Vorontsov-Velyaminov*
Affiliation:
Sternberg Astronomical Institute, Moscow, U.S.S.R.

Extract

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In 1945 we showed[1] from a study of six Wolf-Rayet stars that their spectrophotometric temperatures, when allowance is made for interstellar reddening, are still far below the temperatures as determined by the Zanstra method. It was demonstrated that these spectrophotometric temperatures (which are only slightly in excess of those of Ao stars) agree perfectly with N. Kosyrev's[2] theory of extended photospheres. Later Petrie[3] confirmed our observational results, though he did not compare the two sets of results for individual objects. This same result was recently obtained by Andrillat[4].

Type
III. Instability in the Luminous Stars of Early Type
Information
Symposium - International Astronomical Union , Volume 3: Non-Stable Stars , 1957 , pp. 91 - 92
Copyright
Copyright © Cambridge University Press 1957 

References

1. Vorontsov-Velyaminov, B. A., A.J. U.S.S.R. 22, 93 (1945).Google Scholar
2. Kosyrev, N. A., M.N. 94, 430 (1934).Google Scholar
3. Petrie, R., Publ. Dom. Astrophys. Obs. Victoria, 7, 383 (1948).Google Scholar
4. Andrillat, Y., Comptes rendus, 239, 480 (1954).Google Scholar
5. Wilson, O., Ap.J. 95, 402 (1942).Google Scholar
6. Beals, C., Publ. Dom. Astrophys. Obs. Victoria, 6, 95 (1934).Google Scholar
7. Johnson, M., Observatory, 74, 124 (1954).Google Scholar