Extending the infrared radio correlation

被引：51

作者：

Boyle, B. J.

Cornwell, T. J.

Middelberg, E.

Norris, R. P.

Appleton, P. N.

Smail, Ian

机构：

[1] Australia Telescope Natl Facil, Epping, NSW 1710, Australia

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

[3] Univ Durham, Inst Computat Cosmol, Durham DH1 3LE, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2007年 / 376卷 / 03期

关键词：

galaxies : starburst; infrared : galaxies; radio continuum : general; BRIGHT SPIRAL GALAXIES; REDSHIFT SURVEY; CATALOG; SAMPLE; FIELD;

D O I：

10.1111/j.1365-2966.2007.11509.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Co-addition of deep (rms similar to 30 mu Jy) 20-cm data obtained with the Australia Telescope Compact Array at the location of Spitzer Wide Field Survey (SWIRE) sources has yielded statistics of radio source counterparts to faint 24-mu m sources in stacked images with rms < 1 mu Jy. We confirm that the infrared-radio correlation extends to f(24 mu m) = 100 mu Jy but with a significantly lower coefficient, f(20 cm) = 0.039f(24 mu m) [q(24) = log (f(24 mu m)/f(20 cm)) = 1.39 +/- 0.02] than hitherto reported. We postulate that this may be due to a change in the mean q(24) value ratio for objects with f(24 mu m) < 1 mJy.

引用

页码：1182 / 1188

页数：7

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