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HST-WFPC2 observations of Galactic Wolf-Rayet stars, preliminary results

Debra J. Wallace, Michael M. Shara, Anthony F.J. Moffat, Virpi S. Niemela
1999 Symposium - International astronomical union  

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We present preliminary results of ourHST-WFPC2 pc-survey of Wolf-Rayet stars. Initiated in 1996, the goal was to discover new companions to, and cluster/association memberships of, known Galactic WR stars. From these results, Niemelaet al.(1998) have already established a firm link between non-thermal radio emission and the location of binary wind-collision zones for WR 146 (confirming radio data of Doughertyet al.1996) and WR 147 (confirming radio and IR data of Williamset al.1997; see also
more » ... liams, these Proceedings), and confirmed the presence of a binary companion for WR 86 (listed by Jefferset al.1963). Here, for the first time, we present new information on WR38, WR38a, and WR 104.
doi:10.1017/s0074180900205202 fatcat:5l3bappvjjar5ihzxo3r5hbc2e
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Debra J. Wallace, Michael M. Shara, Anthony F.J. Moffat, Virpi S. Niemela. "HST-WFPC2 observations of Galactic Wolf-Rayet stars, preliminary results." Symposium - International astronomical union (1999) 112-113