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On the Atmospheres of the Wolf-Rayet Stars
Published online by Cambridge University Press: 14 August 2015
Extract
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].
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- III. Instability in the Luminous Stars of Early Type
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