机构:
Stockholm Observ, SE-13336 Saltsjobaden, SwedenStockholm Observ, SE-13336 Saltsjobaden, Sweden
Olofsson, G
[1
]
机构:
[1] Stockholm Observ, SE-13336 Saltsjobaden, Sweden
来源:
TETONS 4: GALACTIC STRUCTURE, STARS, AND THE INTERSTELLAR MEDIUM
|
2001年
/
231卷
关键词:
D O I:
暂无
中图分类号:
P1 [天文学];
学科分类号:
0704 ;
摘要:
ISOCAM observations of nearby star formation regions have proven efficient in identifying new YSOs (young stellar objects). This success is based on the fact that low-mass stars, and even stars below the brown dwarf mass limit, are surrounded by dust during their early contraction phases. The dust emission, generally hard to detect in the near-IR, is well covered by the two broad-band filters LW2 (5-8.5 mum) and LW3 (12-18 mum). Another favorable circumstance is the small color effect caused by the interstellar extinction on the corresponding flux ratio.