On the nature of the ring nebulae around WR and O(f) stars Prospects for X-ray observations

Details On the nature of the ring nebulae around WR and O(f) stars Prospects for X-ray observations On the nature of the ring nebulae around WR and O(f) stars Prospects for X-ray observations

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985azh....62..103b&link_type=abstract

(Astronomicheskii Zhurnal, vol. 62, Jan.-Feb. 1985, p. 103-111) Soviet Astronomy (ISSN 0038-5301), vol. 29, Jan.-Feb. 1985, p. 6

Astronomy and Astrophysics

Astronomy

10

Nebulae, O Stars, Stellar Winds, Wolf-Rayet Stars, X Ray Astronomy, Error Analysis, Flow Velocity, X Ray Spectra

Scientific paper

The expected X-ray emission of the cavities formed by stellar wind is calculated within the framework of the model of Weaver et al. (1977). Calculated results are presented for eight ring nebulae around WR and O(f) stars. Observations of them in the X-ray range will permit a test of whether a layer of hot wind exists in the cavities or whether the wind leaks out rapidly through irregularities in the structure of the shell. It is shown that observations of the ring nebulae NGC 6888 and Sh 119 are the most promising; their expected emission spectra in the 0.1-4 keV range are presented.

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