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A SiO 2-1 SURVEY TOWARD GAS-RICH ACTIVE GALAXIES
- Source :
- The Astrophysical Journal. 778:L39
- Publication Year :
- 2013
- Publisher :
- American Astronomical Society, 2013.
-
Abstract
- In order to study the feedback from active galactic nuclei (AGNs), we performed a survey of SiO J = 2-1 (v = 0) transition toward ten gas-rich active galaxies with the IRAM 30 m telescope. As the first survey of SiO in such galaxies, we detected SiO J = 2-1 (v = 0) emission in six galaxies above the 3 sigma level and one galaxy (NGC 3690) at the 2.7 sigma level. The detection rate is not related to the AGN type or to star formation activity. In comparison with M82, which is a pure star-forming galaxy without nuclear activity, our SiO detections could not be completely ascribed to being due to star formation activity. This suggests that the AGN feedback may be efficient in producing SiO molecules in such galaxies. Further surveys with large single-dish millimeter telescopes and interferometers are necessary for understanding the origin of SiO in galaxies with nuclear activity.
- Subjects :
- Luminous infrared galaxy
Physics
Active galactic nucleus
Star formation
Radio galaxy
Astrophysics::High Energy Astrophysical Phenomena
Astronomy
Astronomy and Astrophysics
Astrophysics::Cosmology and Extragalactic Astrophysics
Astrophysics
Disc galaxy
Galaxy
Stars
Space and Planetary Science
Elliptical galaxy
Astrophysics::Solar and Stellar Astrophysics
Astrophysics::Galaxy Astrophysics
Subjects
Details
- ISSN :
- 20418213 and 20418205
- Volume :
- 778
- Database :
- OpenAIRE
- Journal :
- The Astrophysical Journal
- Accession number :
- edsair.doi...........99f8a3bb283b3155298feed3a105d41f