The circumstellar region of NGC 5728

Bibcode
1993ApJ...410..552A
DOI
10.1086/172774
Arribas, S.; Mediavilla, E.
Bibliographical reference

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 410, no. 2, p. 552-566.

Advertised on:
6
1993
Journal
Astrophysical Journal
Number of authors
2
IAC number of authors
2
Citations
26
Refereed citations
23
Description
A 2D array of optical fibers generating simultaneous spectral and spatial information has been used to observe the central 13 arcsec of NGC 5728; on this basis, an analysis of the morphology and kinematics of the galaxy's circumstellar environment is conducted. The kinematic center coincides with the peak in radio emission, but is separated by about 1 arcsec from the maxima of the H-alpha and forbidden N II and S II emission. This strongly suggests that the active nucleus is obscured, and explains the nuclear redshift as well as the high ratio of circumnuclear-to-nuclear flux emission previously reported.
Type
Refereed
Active galactic nuclei
Spiral galaxies
Seyfert galaxies

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