The H I bubble around the Wolf-Rayet star HD 156385 and its environs

Details The H I bubble around the Wolf-Rayet star HD 156385 and its environs The H I bubble around the Wolf-Rayet star HD 156385 and its environs

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....96.1671c&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 96, Nov. 1988, p. 1671-1676.

Astronomy and Astrophysics

Astronomy

30

H I Regions, Radio Emission, Wolf-Rayet Stars, Brightness Distribution, Nebulae, Stellar Temperature, Stellar Winds

Scientific paper

Based upon a study of the distribution of the interstellar H I 21 cm line emission around the Wolf-Rayet star HD 156385, the authors have discovered the presence of a remarkable expanding H I bubble, radio-counterpart of the optical nebula RCW 114, surrounded by a thick H I shell. Both the H I and optical features display outstandingly similar morphologies, and have been created by the action of the strong stellar wind of the WR star and its massive progenitor. The H I bubble has a radius of 57 pc, an expansion velocity of 10 km s-1, and a swept-up H I mass of 6.2×103M_sun;.

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