Hostname: page-component-cd9895bd7-jkksz Total loading time: 0 Render date: 2024-12-26T03:13:05.805Z Has data issue: false hasContentIssue false
  • English
  • Français

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

Published online by Cambridge University Press:  25 July 2014

Li Shao
Li Shao*
Affiliation:
Max Planck Institute for Astrophysics, Karl-Schwarzschild-Str. 1, 85748, Garching, Germany email: [email protected]
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We 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.

Keywords

galaxies: activegalaxiesnucleiinfrared: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S304: Multiwavelength AGN Surveys and Studies , October 2013 , pp. 213 - 216
Copyright
Copyright © International Astronomical Union 2014 

References

Heckman, T. M., Kauffmann, G., Brinchmann, J., Charlot, S., Tremonti, C., & White, S. D. M., 2004, ApJ, 613, 109Google Scholar
Hickox, R. C., et al., 2009, ApJ, 696, 891Google Scholar
Hönig, S. F., Kishimoto, M., Antonucci, R., Marconi, A., Prieto, M. A., Tristram, K., & Weigelt, G., 2012, ApJ, 755, 149Google Scholar
Hopkins, P. F., Hayward, C. C., Narayanan, D., & Hernquist, L., 2012, MNRAS, 420, 320Google Scholar
Jaffe, W., et al., 2004, Nature, 429, 47CrossRefGoogle Scholar
Kauffmann, G. & Heckman, T. M., 2009, MNRAS, 397, 135Google Scholar
Kauffmann, G., et al., 2003, MNRAS, 346, 1055CrossRefGoogle Scholar
Li, C., Kauffmann, G., Wang, L., White, S. D. M., Heckman, T. M., & Jing, Y. P., 2006, MNRAS, 373, 457Google Scholar