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HST-FOS spatially resolved spectral classification of compact WR/Of+OB groups in the LMC

Published online by Cambridge University Press:  25 May 2016

Nolan R. Walborn ,
Laurent Drissen ,
Joel Wm. Parker  and
Abhijit Saha
Nolan R. Walborn
Affiliation:
Space Telescope Science Institute, Baltimore, Maryland, USA
Laurent Drissen
Affiliation:
Université Laval, Ste-Foy, Québec, Canada
Joel Wm. Parker
Affiliation:
SouthWest Research Institute, Boulder, Colorado, USA
Abhijit Saha
Affiliation:
Kitt Peak National Observatory, Tucson, Arizona, USA

Abstract

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Spectroscopy of the individual stellar components in four compact OB multiple systems of the LMC, previously imaged with the HST-WFPCS, has been performed with the HST-FOS. In every case, the uncontaminated spectra of the WR and/or Of-type components have been observed for the first time. The spectra of the normal OB companions provide information about the initial masses and ages of the peculiar objects. Several additional evolved and peculiar objects within these systems have also been discovered.

Type
Part 1. Basic observational properties of Wolf-Rayet stars and other hot massive stars
Information
Symposium - International Astronomical Union , Volume 193: Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies , 1999 , pp. 110 - 111
Copyright
Copyright © Astronomical Society of the Pacific 1999 

References

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