A near-infrared survey for Galactic Wolf-Rayet stars

被引：11
|
作者：
Homeier, NL
Blum, RD
Conti, PS
Damineli, A
机构：
[1] European So Observ, D-8046 Garching, Germany
[2] Univ Wisconsin, Dept Astron, Madison, WI 53706 USA
[3] Cerro Tololo Interamer Observ, La Serena, Chile
[4] Univ Colorado, Joint Inst Lab Astrophys, Boulder, CO 80309 USA
[5] Univ Colorado, APS Dept, Boulder, CO 80309 USA
[6] Inst Astron & Geophis, Sao Paulo, Brazil
来源：
ASTRONOMY & ASTROPHYSICS | 2003年 / 397卷 / 02期
关键词：
stars : Wolf-Rayet; Galaxy : stellar content; Galaxy : center; infrared : stars;
D O I：
10.1051/0004-6361:20021569
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Initial results, techniques, and rationale for a near-infrared survey of evolved emission-line stars towards 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 that exhibit emissionlines in the 2 mum 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 and are the subject of a following paper.
引用
收藏
页码：585 / 594
页数：10
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