Spectroscopic Identifications of SWIRE sources in ELAIS-N1

Details Spectroscopic Identifications of SWIRE sources in ELAIS-N1 Spectroscopic Identifications of SWIRE sources in ELAIS-N1

2009-09-11

arxiv.org/abs/0909.2193v2

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

11 pages, 8 figures, accepted for publication in MNRAS

Scientific paper

We present the largest spectroscopic follow-up performed in SWIRE ELAIS-N1. We were able to determine redshifts for 289 extragalactic sources. The values of spectroscopic redshifts of the latter have been compared with the estimated values from our photometric redshift code with very good agreement between the two for both galaxies and quasars. Six of the quasars are hyperluminous infrared galaxies all of which are broad line AGN. We have performed emission line diagnostics for 30 sources in order to classify them into star-forming, Seyferts, composite and LINER and compare the results to the predictions from our SED template fitting methods and mid-IR selection methods.

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