Published in

Cambridge University Press (CUP), Proceedings of the International Astronomical Union, S304(9), p. 213-216, 2013

DOI: 10.1017/s1743921314003809

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A study of optical/IR selected AGNs with SDSS and WISE

Journal article published in 2013 by Li Shao ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Postprint: archiving allowed
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Published version: archiving forbidden
Data provided by SHERPA/RoMEO

Abstract

AbstractWe analyze a sample of 30,000 nearby obscured AGNs with SDSS and WISE. We use a “pair-matching” technique to subtract the host 4.6μm contribution, with the aid of SDSS data. By combining Seyferts with local SDSS quasars, we show that the [Oiii] and the intrinsic AGN 4.6μm luminosities correlate roughly linearly over 4 orders of magnitude, despite of large scatter. We also compare the partition functions of the total integrated 4.6μm and [Oiii] line luminosities from Seyferts and IR-bright LINERs, as function of a variety of host galaxy properties. The result suggests the optical and the IR selected AGNs represent the same galaxy population. We further study the environment of the AGNs, finding a link between the IR nuclear emission and the galaxy interaction.

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