The submillimeter properties of extremely red objects in the Canada-UK deep submillimeter survey fields

Webb, T. M. A., Brodwin, M., Eales, Stephen Anthony ORCID: https://orcid.org/0000-0002-7394-426X and Lilly, S. J. 2004. The submillimeter properties of extremely red objects in the Canada-UK deep submillimeter survey fields. Astrophysical Journal 605 (2) , pp. 645-655. 10.1086/381796

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Abstract

We discuss the submillimeter properties of extremely red objects (EROs) in the two Canada-UK Deep Submillimeter Survey (CUDSS) fields. We measure the mean submillimeter flux of the ERO population (to K' < 20.7) and find 0.40 ± 0.07 mJy for EROs selected by (I-K) > 4.0 and 0.56 ± 0.09 mJy for EROs selected by (R-K) > 5.3, but these measurements are dominated by discrete, bright submillimeter sources. We estimate that EROs produce 7%-11% of the far-infrared background at 850 μm. This is substantially less than a previous measurement by Wehner, Barger, & Kneib, and we discuss possible reasons for this discrepancy. We show that ERO counterparts to bright submillimeter sources lie within the starburst region of the near-infrared color-color plot of Pozzetti & Mannucci. Finally, we claim that pairs or small groups of EROs with separations of lesssim10'' often mark regions of strong submillimeter flux.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	galaxies; evolution; formation; high-redshift; starburst; infrared; submillimeter
Publisher:	IOP Publishing
ISSN:	0004-637X
Last Modified:	24 Oct 2022 11:07
URI:	https://orca.cardiff.ac.uk/id/eprint/47002

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