A near-infrared survey for Galactic Wolf-Rayet stars

Details A near-infrared survey for Galactic Wolf-Rayet stars A near-infrared survey for Galactic Wolf-Rayet stars

2002-10-25

arxiv.org/abs/astro-ph/0210558v1

Astronomy and Astrophysics

Astrophysics

10 pages, 2 figures, accepted for publication in A&A

Scientific paper

Initial results, techniques, and rationale for a near-infrared survey of evolved emission-line stars toward the Galactic Center are presented. We use images taken through narrow-band emission-line and continuum filters to select candidates for spectroscopic follow-up. The filters are optimized for the detection of Wolf-Rayet stars and other objects which exhibit emission-lines in the 2 micron region. Approximately three square degrees along the Galactic plane have been analyzed in seven narrow-filters (four emission-lines and three continuum). Four new Wolf-Rayet stars have been found which are the subject of a following paper.

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