NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-25 T01:01:01 PDT
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For refcode 2013ApJ...778L..39W:
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2013ApJ...778L..39W A SiO 2-1 Survey toward Gas-rich Active Galaxies Wang, Junzhi; Zhang, Jiangshui; Shi, Yong; Zhang, Zhiyu 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 3sigma level and one galaxy (NGC 3690) at the 2.7sigma 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. Key words: galaxies: active, galaxies: ISM
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