On the problem of detection of the circumstellar clouds from 2800 MG II observations

Details On the problem of detection of the circumstellar clouds from 2800 MG II observations On the problem of detection of the circumstellar clouds from 2800 MG II observations

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..80..197g&link_type=abstract

Astrophysics and Space Science, vol. 80, no. 1, Nov. 1981, p. 197-209.

Astronomy and Astrophysics

Astrophysics

4

Hot Stars, Interstellar Matter, Magnesium, Molecular Clouds, Stellar Envelopes, B Stars, O Stars, Stellar Atmospheres, Stellar Magnitude, Stellar Mass

Scientific paper

A new method of detecting the circumstellar clouds around the hot stars of O-B classes is developed. It is shown that the circumstellar clouds really existed around approximately 90% of the hot stars analyzed here. In 30% of the cases, the circumstellar clouds are found to be very powerful; the radii are less than 1 pc and the masses less than 1 solar mass. The usual model for the interstellar medium is thought to be unacceptable for systems comprising a hot star and a circumstellar cloud.

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