Galaxy evolution: The ISOCAM view

被引:3
|
作者
Vigroux, L [1 ]
Aussel, H [1 ]
Charmandaris, V [1 ]
Cesarsky, C [1 ]
Elbaz, D [1 ]
Fadda, D [1 ]
Laurent, O [1 ]
Madden, S [1 ]
Mirabel, F [1 ]
Roussel, H [1 ]
Sauvage, M [1 ]
机构
[1] CEA Saclay, Serv Astrophys, DAPNIA, DSM, F-91191 Gif Sur Yvette, France
关键词
D O I
10.1023/A:1012760208543
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
New observations of nearby and distant galaxies in the mid infrared with ISOCAM have been used to study the star formation rate in these galaxies. The mid infrared flux density is a good indicator, similar to H alpha, in the disk of spiral galaxies. In more active starburst, the mid infrared traces the youngest star formation complexes, still embedded in dust. A strong evolution of L-15 mum/L-B luminosity ratio is observed in large distant galaxies. This is attributed to strong starburst events triggered by a larger number of galaxy-galaxy interaction at redshift > 0.5.
引用
收藏
页码:565 / 569
页数:5
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