Mid-FIR Properties of ELAIS Sources

Bibcode
2001ESASP.460..147M
Márquez, I.; Masegosa, J.; Morel, T.; Efstathiou, A.; Verma, A.; Vaisanen, P.; Alexander, D.; Héraudeau, P.; Surace, C.; Pérez-Fournon, I.; Cabrera-Guerra, F.; González-Serrano, J. I.; González-Solares, E. A.; Serjeant, S.; Oliver, S. J.; Rowan-Robinson, M.; Elais Consortium
Bibliographical reference

The Promise of the Herschel Space Observatory. Eds. G.L. Pilbratt, J. Cernicharo, A.M. Heras, T. Prusti, & R. Harris. ESA-SP 460, p. 147

Advertised on:
7
2001
Number of authors
17
IAC number of authors
4
Citations
1
Refereed citations
1
Description
We present the properties of all the galaxies detected by ISO at 7, 15 and 90 microns in ELAIS northern fields. The spectral energy distribution (SED) of those 20 galaxies with IRAS detections can generally be well fitted by a predominant cirrus component plus a modest starburst contribution. Follow-up spectroscopy has shown that all the objects are emission-line galaxies but without a very intense star formation event. Most of the galaxies analyzed by means of optical R band photometry result to host an important exponential disk component, in good agreement with the SED IR modelling. We note that galaxies with morphological signs of perturbations seem to show slightly higher f15/f6.7 ratios, indicating that star formation could be more important in them. One of the objects is a broad-line, radio-quiet quasar at z=1.099; its spectral energy distribution indicates that it is a hyperluminous infrared galaxy (HLIG), the first HLIG detected in the ELAIS areas.
Type
Non-refereed
Galaxies
Surveys

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