New radio observations of the Circinus Galaxy

Details New radio observations of the Circinus Galaxy New radio observations of the Circinus Galaxy

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.244..130h&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 244, May 1, 1990, p. 130-132. Research supported by Aus

Astronomy and Astrophysics

Astronomy

23

Active Galactic Nuclei, Galactic Structure, Radio Astronomy, Seyfert Galaxies, Starburst Galaxies, Absorption Spectra, Astronomical Spectroscopy, Hydroxyl Radicals

Scientific paper

New radio continuum and OH observations of the Circinus Galaxy are presented which confirm the active nature of the nucleus. The continuum structure is dominated by two spurs of emission, which probably originate in the core and extend roughly along the minor axis of the galaxy. In addition, the OH absorption profiles clearly indicate a rapidly rotating cloud surrounding the nucleus or several independent clouds in the vicinity with inflowing and outflowing motions. The Circinus Galaxy is most probably a Seyfert with underlying nuclear starburst activity.

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