Narrow-Line Dynamics in Seyfert and Starburst Nuclei

Details Narrow-Line Dynamics in Seyfert and Starburst Nuclei Narrow-Line Dynamics in Seyfert and Starburst Nuclei

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.171...21s&link_type=abstract

Astrophysics and Space Science, Volume 171, Issue 1-2, pp. 21-23

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

Rotating disks and expanding supershells of ionized gas are supposed to be kinematical components essential for the formation of emission-like profiles from starburst nuclei and the narrow-line regions of Seyfert galaxies. Simple models predict a few typical features of line profiles by which disks may be recognized. A giant supershell is identified SE of the nucleus of the starburst galaxy NGC 253. We suggest that the variously reported ‘outflow cones’ in Seyfert nuclei are also induced by superbubble dynamics. Observations of NGC 4151 are shown to be consistent with this scenario.

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