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Submillimeter detections of Spitzer Space Telescope galaxy populations

Serjeant, Stephen, Mortier, Angela M. J., Ivison, R.J., Egami, E., Rieke, G.H., Willner, S.P., Rigopoulou, D., Alonso-Herrero, A., Barmby, P., Bei, L., and others. (2004) Submillimeter detections of Spitzer Space Telescope galaxy populations. Astrophysical Journal Supplement Series, 154 (1). pp. 118-123. ISSN 0067-0049. (doi:10.1086/422821) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:11809)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
Official URL:
http://dx.doi.org/10.1086/422821

Abstract

We present submillimeter statistical detections of galaxies discovered in the 5' x 5' Spitzer Early Release Observations (to similar to4 - 15 muJy 5 sigma at 3.6 - 8 mum, 170 muJy at 24 mum) through a stacking analysis of our reanalyzed SCUBA 8 mJy survey maps and a Spitzer identification of a new submillimeter point source in the 8 mJy survey region. For sources detected at 5.8 or 8 mum ( 154 and 111 sources, respectively), we detect positive skews in the submillimeter flux distributions at 99.2% - 99.8% confidence using Kolmogorov-Smirnov tests, at both 850 and 450 mum. We also marginally detect the Spitzer 24 mum galaxies at 850 mum at 97% confidence and place limits on the mean submillimeter fluxes of the 3.6 and 4.5 mum sources. Integrating the submillimeter fluxes of the Spitzer populations, we find the 5.8 mum galaxies contribute 0.12 +/- 0.05 nW m(-2) sr(-1) to the 850 mum background and 2.4 +/- 0.7 nWm(-2) sr(-1) to the 450 mum background; similar contributions are made by the 8 mum-selected sample. We infer that the populations dominating the 5.8 and 8 mum extragalactic background light also contribute around a quarter of the 850 mum background and the majority of the 450 mum background.

Item Type: Article
DOI/Identification number: 10.1086/422821
Additional information: 41 UNIV CHICAGO PRESS 850TB
Uncontrolled keywords: cosmology : observations; galaxies : evolution; galaxies : formation; galaxies : high-redshift; infrared : galaxies; submillimeter
Subjects: Q Science
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Depositing User: Maggie Francis
Date Deposited: 01 Oct 2008 14:29 UTC
Last Modified: 16 Nov 2021 09:50 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/11809 (The current URI for this page, for reference purposes)

University of Kent Author Information

Serjeant, Stephen.

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