Spitzer observations of the SCUBA/VLA sources in the Lockman Hole:: Star formation history of infrared-luminous galaxies

被引：104

作者：

Egami, E

Dole, H

Huang, JS

Pérez-Gonzalez, P

Le Floc'h, E

Papovich, C

Barmby, P

Ivison, RJ

Serjeant, S

Mortier, A

Frayer, DT

Rigopoulou, D

Lagache, G

Rieke, GH

Willner, SP

Alonso-Herrero, A

Bai, L

Engelbracht, CW

Fazio, GG

Gordon, KD

Hines, DC

Misselt, KA

Miyazaki, S

Morrison, JE

Rieke, MJ

Rigby, JR

Wilson, G

机构：

[1] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA

[2] Univ Paris 11, Inst Astrophys Spatiale, F-91405 Orsay, France

[3] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[4] Royal Observ, Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland

[5] Univ Edinburgh, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland

[6] Univ Kent, Sch Phys Sci, Ctr Astrophys & Planetary Sci, Canterbury CT2 7NR, Kent, England

[7] CALTECH, Spitzer Sci Ctr, Pasadena, CA 91125 USA

[8] Astrophys, Oxford OX1 3RH, England

[9] Consejo Super Invest Cient, Madrid 28006, Spain

[10] Natl Astron Observ Japan, Subaru Telescope, Hilo, HI 96720 USA

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2004年 / 154卷 / 01期

关键词：

cosmology : observations; galaxies : evolution; galaxies : high-redshift; infrared : galaxies;

D O I：

10.1086/423322

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present Spitzer Space Telescope imaging observations at 3.6, 4.5, 5.8, 8.0, and 24 mum of the SCUBA submillimeter sources and muJy VLA radio sources in a 5' x 5' area in the Lockman Hole East region. Out of the similar to 40 SCUBA/VLA sources in the field, Spitzer counterparts were detected for nearly all except for the few low-weight SCUBA detections. We show that the majority (80% - 90%) of the detected sources are cold (i.e., starburst-like) infrared-luminous galaxies (L-IR > 10(11) L-.) at redshift 0.5 < z < 3.5, whose star-formation rate density (SFRD) is comparable to that of the optically selected star-forming galaxies.

引用

页码：130 / 136

页数：7

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