Search for Interacting Winds in the WN7 + O Binary WR 22

Details Search for Interacting Winds in the WN7 + O Binary WR 22 Search for Interacting Winds in the WN7 + O Binary WR 22

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996rmxac...5..108r&link_type=abstract

Workshop on Colliding Winds in Binary Stars to Honor Jorge Sahade, vol. 5, p. 108

Astronomy and Astrophysics

Astrophysics

1

Wolf-Rayet Stars, Liquid Helium, Stellar Mass Accretion, Binary Stars, Astrophysics, Astronomical Spectroscopy, Interstellar Gas, Line Spectra, Stellar Orbits, Astronomical Observatories, Helium Isotopes, Orbital Elements, Stellar Mass, Spectrum Analysis

Scientific paper

We present new spectroscopic observations of the He I Lambda5876 line in
WR22 which were obtained around periastron. These data show strong line
profile variability. We use recently determined orbital elements of WR22
to discuss the possibility of tidal interactions or of a colliding wind
phenomenon affecting the outer parts of the Wolf-Rayet atmosphere.

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