SIMBAD references

2005A&A...429L..21S - Astronomy and Astrophysics, volume 429L21-24 (2005/1-2)

The merging/AGN connection. II. Ionization of the circumnuclear regions.

SANCHEZ S.F., BECKER T., GARCIA-LORENZO B., BENN C.R., CHRISTENSEN L., KELZ A., JAHNKE K. and ROTH M.M.

Abstract (from CDS):

We report the first results of a study of a sample of 20 galaxy mergers/interacting systems, using the VIMOS and PMAS integral field spectrographs. For each object, we extracted the integrated spectrum of the central regions and analyzed the ionization state using classical diagnostic diagrams (Veilleux & Osterbrock, 1987ApJS...63..295V). There is evidence of AGN ionization in 4 of the objects, i.e. 20% of the sample, a considerably higher fraction than found in previous studies (∼4%). An increase of the nuclear activity with the far infrared temperature may account for the difference.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: interactions - galaxies: irregular - galaxies: ISM

Simbad objects: 8

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