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

Bibcode
2001MNRAS.327.1187M
DOI
10.1046/j.1365-8711.2001.04803.x
Morel, T.; Efstathiou, A.; Serjeant, S.; Márquez, I.; Masegosa, J.; Héraudeau, P.; Surace, C.; Verma, A.; Oliver, S.; Rowan-Robinson, M.; Georgantopoulos, I.; Farrah, D.; Alexander, D. M.; Pérez-Fournon, I.; Willott, C. J.; Cabrera-Guerra, F.; Gonzalez-Solares, E. A.; Cabrera-Lavers, A.; Gonzalez-Serrano, J. I.; Ciliegi, P.; Pozzi, F.; Matute, I.; Flores, H.
Bibliographical reference

Monthly Notices of the Royal Astronomical Society, Volume 327, Issue 4, pp. 1187-1192.

Advertised on:
11
2001
Journal
Monthly Notices of the Royal Astronomical Society
Number of authors
23
IAC number of authors
5
Citations
17
Refereed citations
14
Description
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 90μm, 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](1-1000μm)~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.
Type
Refereed
Surveys
Quasars
Galaxies

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