Rotating molecular gas associated with a silhouette disk in the center of the radio galaxy 3C 31

Details Rotating molecular gas associated with a silhouette disk in the center of the radio galaxy 3C 31 Rotating molecular gas associated with a silhouette disk in the center of the radio galaxy 3C 31

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..222..349o&link_type=abstract

The Interplay among Black Holes, Stars and ISM in Galactic Nuclei, Proceedings of IAU Symposium, No. 222. Edited by T. Storchi-B

Physics

Scientific paper

We have carried out aperture synthesis CO(J=1-0) observations of the FRI radio galaxy 3C 31 (NGC 383), using the Nobeyama Millimeter Array (NMA) and the RAINBOW interferometer, which achieves a large collecting area by adding the NRO 45m telescope. Our high-resolution (1.9''×1.4'') CO 3D observations reveal a very massive (˜ 109 M&sun;), circularly-rotating molecular gas ring, which coincides nicely with the silhouette disk seen in the Hubble Space Telescope (HST) optical images. This is the first map depicting the molecular gas distribution and kinematics associated with a silhouette disk in the heart of a radio galaxy.

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