Kinematic Subsystems of the Ionized Gas in the Central Region of NGC 1068 Inferred from the [O III] λλ 4959, 5007 and [S III] λ 9069 Emission Lines

Bibcode
1997Ap&SS.248..151M
DOI
10.1023/A:1000517226344
Mediavilla, E.; Arribas, S.; Garcia-Lorenzo, B.; Del Burgo, C.
Bibliographical reference

Astrophysics and Space Science, Volume 248, Issue 1-2, pp. 151-157

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2
1997
Journal
Astrophysics and Space Science
Number of authors
4
IAC number of authors
4
Citations
1
Refereed citations
0
Description
We discuss the multi-Gaussian decomposition of the [O III] λλ 4959,5007 emission line profiles from 2-D spectroscopy. We found that a model based on five main gaseous components can reproduce the observed line profiles consistently. The morphology of the intensity maps of some of these gaseous subsystems seems bipolar. This is in better agreement with current ideas about the alignment of the ionization in AGNs than the relatively amorphous morphology seen in filter images. The centre of the inter-pole region is sited ~ 2″ NE of the optical nucleus, close to the origin of the strong outflow of ionized gas recently reported (Arribas et al. 1996). This suggests that the putative hidden nucleus of NGC 1068 could be sited near to this point.
Type
Refereed

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