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Cyclical Spectral and Photometric Variations of the Apparently Single Wolf-Rayet Star WR 134 |
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| Authors: | T. Morel S. V. Marchenko P. R. J. Eenens A. F. J. Moffat G. Koenigsberger I. I. Antokhin T. Eversberg G. H. Tovmassian G. M. Hill O. Cardona N. St-Louis |
| Affiliation: | (1) Département de Physique, Université de, Montréal, Canada;(2) Departamento de Astronomía, Universidad de Guanajuato, México;(3) UNAM, Instituto de Astronomía, México;(4) Sternberg Astronomical Institute, Moscow, Russia;(5) Instituto de Astronomía, Ensenada, México;(6) McDonald Observatory, Fort Davis, Texas, USA;(7) Puebla, México |
| Abstract: | Evidence is presented for the existence of a 2.3 day periodicity in the line-profile changes of the apparently singleWolf-Rayet star WR 134. This cyclical variability may be induced either by the presence of an orbiting collapsed companion, or by the rotational modulation of a largely inhomogeneous outflow. This revised version was published online in July 2006 with corrections to the Cover Date. |
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