First insights into the Spitzer Wide-area Infrared Extragalactic Legacy Survey (SWIRE) galaxy populations

Lonsdale, C. and Polletta, M.D. and Surace, J. and Shupe, D. and Fang, F. and Xu, C.K. and Smith, H.E. and Siana, B. and Rowan-Robinson, M. and Babbedge, T. and Oliver, S. and Pozzi, F. and Davoodi, P. and Owen, F. and Padgett, D. and Frayer, D. and Jarrett, T. and Masci, F. and O'Linger, J. and Conrow, T. and Farrah, D. and Morrison, G. and Gautier, N. and Franceschini, A. and Berta, S. and Perez-Fournon, I. and Hatziminaoglou, E. and Afonso-Luis, A. and Dole, H. and Stacey, G. and Serjeant, S. and Pierre, M. and Griffin, M. and Puetter, R. (2004) First insights into the Spitzer Wide-area Infrared Extragalactic Legacy Survey (SWIRE) galaxy populations. Astrophysical Journal Supplement Series, 154 (1). pp. 54-59. ISSN 0067-0049. (The full text of this publication is not available from this repository)

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Abstract

We characterize the Spitzer Wide-area Infrared Extragalactic Legacy Survey (SWIRE) galaxy populations in the SWIRE validation field within the Lockman Hole, based on the 3.6 - 24 mum Spitzer data and deep U, g', r', i' optical imaging within an area similar to 1/3 deg(2) for similar to 16,000 Spitzer SWIRE sources. The entire SWIRE survey will discover over 2.3 million galaxies at 3.6 mum and almost 350,000 at 24 mum; similar to 70,000 of these will be five-band 3.6-24 mum detections. The colors cover a broad range, generally well represented by redshifted spectral energy distributions of known galaxy populations; however, significant samples of unusually blue objects in the [3.6] - [4.5] color are found, as well as many objects very red in the 3.6 - 24 mum mid-IR. Nine of these are investigated and are interpreted as star-forming systems, starbursts, and active galactic nuclei (AGNs) from z = 0.37 to 2.8, with luminosities from L-IR = 10(10.3) to 10(13.7) L-..

Item Type: Article
Additional information: 15 UNIV CHICAGO PRESS 850TB
Uncontrolled keywords: galaxies : evolution; infrared : galaxies
Subjects: Q Science
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: Maggie Francis
Date Deposited: 25 Sep 2008 16:27
Last Modified: 14 Jan 2010 14:47
Resource URI: http://kar.kent.ac.uk/id/eprint/11790 (The current URI for this page, for reference purposes)
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