ISO observations of star-forming galaxies

被引:1
|
作者
Mobasher, B [1 ]
Afonso, J [1 ]
Cram, L [1 ]
机构
[1] Space Telescope Sci Inst, Baltimore, MD 21218 USA
来源
DEEP FIELDS | 2001年
关键词
D O I
10.1007/10854354_27
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Infrared Space Observatory (ISO) is used to carry out mid-IR (7 and 15 mum) and far-IR (90 mum) observations of a sample of star-forming sub-mJy radio sources. By selecting the sample at radio wavelengths, one avoids biases due to dust obscuration. It is found that the mid-IR luminosities, covering the PAH features, measure the star formation rate for galaxies with P-1.4GHz < 1023 W Hz(-1). This is further confirmed using the Halpha luminosities. The far-IR emission is also found to trace the SFR over the whole range of radio and Halpha luminosities. The implication of the mid-IR measurements in estimating the SFRs from the future infrared space missions (SIRTF and ASTRO-F) is discussed.
引用
收藏
页码:144 / 148
页数:5
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