Computer Science
Scientific paper
Jul 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998esoc...55..123s&link_type=abstract
NICMOS and the VLT: A New Era of High Resolution Near Infrared Imaging and Spectroscopy, Pula, Sardinia, Italy, June 26-27th 199
Computer Science
Scientific paper
Models of the evolution of massive binaries predict that only a few such objects should survive the common envelope phase and result in systems containing a compact object plus a Wolf-Rayet star (c+WR). According to these models, a vast amount of stellar material is lost during the common envelope phase prior to the c+WR phase. We are attempting to test these models by searching for the presence of such circumbinary material around the only known c+WR object: Cyg X-3. Since the large reddening towards Cyg X-3 prevents any investigation in the optical, deep infrared exposures of Cyg X-3 with the NICMOS NIC-2 camera aboard HST and the Pa$\alpha$ narrow band filter have been used to image the system at high spatial resolution. The HST images have only recently been acquired and their analysis is currently underway. Here we report the possible detection of emission at a distance of about 0".3. This result is preliminary and needs confirmation by NIC-1 observations with its better sampling of the stellar profile.
Close Laird
Geballe Thomas Ronald
Rayner John
Schild Hans
Schmutz Werner
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