Other
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...334..573t&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 334, Nov. 15, 1988, p. 573-583.
Other
90
Active Galactic Nuclei, Gas Dynamics, H Ii Regions, Infrared Radiation, Seyfert Galaxies, Starburst Galaxies, Carbon Monoxide, Density Distribution, Emission Spectra, Spectral Energy Distribution
Scientific paper
A detailed map of the extranuclear IR emission in the central 4 kpc of the luminous Seyfert galaxy NGC 1068 is presented. The relationship of the IR emission with low-excitation, visible H II regions implies that the IR luminosity is powered by recent star formation. The observations show that the star formation is distributed across the central 3.5 kpc primarily in two very extended complexes, one located to the north of the nucleus and the other to the southwest. These two complexes coincide with the two dominant CO features. It is shown that there are two inner Lindblad resonances which occur near the ends of the bar which approximately bound the IR-luminous star-forming regions, the CO complexes, and the visually bright spiral arms. It is proposed that the starburst results from a bar-driven density wave which also includes the effects of shock focusing.
Decher Rudolf
Telesco Charles M.
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