On the origin of the high velocity gas towards the WN6 star WR 136 (HD 192163)

Details On the origin of the high velocity gas towards the WN6 star WR 136 (HD 192163) On the origin of the high velocity gas towards the WN6 star WR 136 (HD 192163)

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988esasp.281b.247s&link_type=abstract

In ESA, Proceedings of the Celebratory Symposium on a Decade of UV Astronomy with the IUE Satellite, Volume 2 p 247-250 (SEE N89

Astronomy and Astrophysics

Astronomy

2

Interstellar Gas, Iue, Spaceborne Astronomy, Stellar Spectra, Ultraviolet Astronomy, Ultraviolet Spectra, Wolf-Rayet Stars, Absorption Spectra, Flow Velocity, Line Spectra, Signal To Noise Ratios, Stellar Composition, Stellar Envelopes, Stellar Winds

Scientific paper

A high signal to noise ratio IUE spectrum of WR 136 was reanalyzed, and components in another 9 Cyg OB1 stars were sought. For WR 136, the velocity of the components is in excellent agreement with emission line measurements of NGC 6888. Similar high velocity components are found in 6 out of 9 stars, and it is concluded that they probably originate in an expanding supershell. The excellent agreement between the emission and absorption line velocities for WR 136, however, suggests that these high velocity components have contributions from both NGC 6888 and the proposed supershell.

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