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Search for Interacting Winds in the WN7 + O Binary WR 22
Rauw, Grégor; Vreux, Jean-Marie; Gosset, Eric
1996In Revista Mexicana de Astronomia y Astrofisica Conference Series
 

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Keywords :
WOLF-RAYET STARS; BINARY STARS; ASTROPHYSICS; ASTRONOMICAL SPECTROSCOPY; INTERSTELLAR GAS; LINE SPECTRA; STELLAR ORBITS; ASTRONOMICAL OBSERVATORIES; ORBITAL ELEMENTS; STELLAR MASS; SPECTRUM ANALYSIS
Abstract :
[en] 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.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Rauw, Grégor  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE) - Sciences spatiales
Vreux, Jean-Marie ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO)
Gosset, Eric ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE)
Language :
English
Title :
Search for Interacting Winds in the WN7 + O Binary WR 22
Publication date :
01 December 1996
Audience :
International
Main work title :
Revista Mexicana de Astronomia y Astrofisica Conference Series
Pages :
108
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