Published February 10, 2010
| Published
Journal Article
Open
Evidence for Infrared-faint Radio Sources as z > 1 Radio-loud Active Galactic Nuclei
Chicago
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Abstract
Infrared-Faint Radio Sources (IFRSs) are a class of radio objects found in the Australia Telescope Large Area Survey which have no observable mid-infrared counterpart in the Spitzer Wide-area Infrared Extragalactic (SWIRE) survey. The extended Chandra Deep Field South now has even deeper Spitzer imaging (3.6-70 μm) from a number of Legacy surveys. We report the detections of two IFRS sources in IRAC images. The non-detection of two other IFRSs allows us to constrain the source type. Detailed modeling of the spectral energy distribution of these objects shows that they are consistent with high-redshift (z ≳ 1) active galactic nuclei.
Additional Information
© 2010 American Astronomical Society. Print publication: Issue 1 (2010 February 10); received 2009 May 29; accepted for publication 2009 December 2; published 2010 January 21. This work is based in part on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. Support for this work was provided by NASA through an award issued by JPL/Caltech. This research has made use of the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.Attached Files
Published - Huynh2010p7038Astrophys_J.pdf
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Additional details
- Eprint ID
- 17519
- Resolver ID
- CaltechAUTHORS:20100218-101534104
- NASA
- Created
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2010-02-18Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field