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The European Large Area ISO Survey - VI. Discovery of a new hyperluminous infrared galaxy

Morel, T.; Efstathiou, A.; Serjeant, S.; Márquez, I.; Masegosa, J. and Héraudeau, P. [et al.] (2001). The European Large Area ISO Survey - VI. Discovery of a new hyperluminous infrared galaxy. Monthly Notices of the Royal Astronomical Society, 327(4) pp. 1187–1192.

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We report the discovery of the first hyperluminous infrared galaxy (HyLIG) in the course of the European Large Area ISO Survey (ELAIS). This object has been detected by ISO at 6.7, 15 and 90mum, and is found to be a broad-line, radio-quiet quasar at a redshift [formmu4]z=1.099. From a detailed multicomponent model fit of the spectral energy distribution, we derive a total IR luminosity LIR [formmu5](1-1000mum)~1.0×1013h65-2Lsolar [formmu6](q0=0.5), and discuss the possible existence of a starburst contributing to the far-IR output. Observations to date present no evidence for lens magnification. This galaxy is one of the very few HyLIGs with a X-ray detection. On the basis of its soft X-ray properties, we suggest that this broad-line object may be the face-on analogue of narrow-line, Seyfert-like HyLIGs.

Item Type: Journal Article
ISSN: 1365-2966
Extra Information: Some of the symbols may not have transferred correctly into this bibliographic record and/or abstract.
Keywords: Quasars; ELAISP90;_J164010+410502 ([CCS88]; 163831.4+411107); surveys; galaxies; starburst; infrared
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 5810
Depositing User: Users 13 not found.
Date Deposited: 06 Nov 2006
Last Modified: 14 Jan 2016 16:17
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