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26 April 2024 |
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Host galaxies of 2MASS-selected QSOs to redshift 0.3 | | J. B. Hutchings
; N. Maddox
; R. M. Cutri
; B. O. Nelson
; | | Date: |
3 Apr 2003 | | Journal: | Astron.J. 126 (2003) 63 | | Subject: | astro-ph | | Affiliation: | HIA, NRC of Canada), R. M. Cutri, B. O. Nelson (IPAC, Caltech | | Abstract: | We present and discuss optical imaging of 76 AGN which represent the 2MASS-selected sample for z<0.3, from a full list of 243. They are found to have dust-obscured nuclei, residing in host galaxies that show a high fraction (>70%) of tidal interactions. The derived luminosities of the AGN and host galaxies are similar to traditionally-selected AGN, and they may comprise some 40% of the total AGN population at low redshift. We have measured a number of host galaxy properties, and discuss their distributions and interrelations. We compare the 2MASS AGN with optically selected samples and the IRAS-selected galaxy samples, and discuss the differences in terms of merger processes and initial conditions. | | Source: | arXiv, astro-ph/0304075 | | Services: | Forum | Review | PDF | Favorites | |
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