|
|
|
|
|
| ID:
358576.0,
MPI für Astronomie / Publikationen_mpia |
| Aromatic features in AGNs: star-forming infrared luminosity function of AGN host galaxies |
| Authors: | Shi, Y.; Ogle, P.; Rieke, G. H.; Antonucci, R.; Hines, D. C.; Smith, P. S.; Low, F. J.; Bouwman, J.; Willmer, C. | | Date of Publication (YYYY-MM-DD): | 2007 | | Title of Journal: | The Astrophysical Journal | | Volume: | 669 | | Start Page: | 841 | | End Page: | 861 | | Audience: | Not Specified | | Abstract / Description: | We describe observations of aromatic features at 7.7 and 11.3 mum in AGNs of three types, including PG, 2MASS, and 3CR objects. The feature has been demonstrated to originate predominantly from star formation. Based on the aromatic-derived star-forming luminosity, we find that the far-IR emission of AGNs can be dominated by either star formation or nuclear emission; the average contribution from star formation is around 25% at 70 and 160 mum. The star-forming infrared luminosity functions of the three types of AGNs are flatter than those of field galaxies, implying that nuclear activity and star formation tend to be enhanced together. The star-forming luminosity function is also a function of the strength of nuclear activity from normal galaxies to the bright quasars, with luminosity functions becoming flatter for more intense nuclear activity. Different types of AGNs show different distributions in the level of star formation activity, with 2MASS > PG > 3CR star formation rates. | | Free Keywords: | Galaxies: Active; Galaxies: Starburst; Infrared: Galaxies | | External Publication Status: | published | | Document Type: | Article |
| Communicated by: | N. N. | | Affiliations: | MPI für Astronomie | | Identifiers: | URL:http://adsabs.harvard.edu/abs/2007ApJ...669..841S
| |
|
|
|
The scope and number of records on eDoc is subject
to the collection policies defined by each institute
- see "info" button in the collection browse view.
|
|
Advanced