Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984xue..conf...55s&link_type=abstract
In Max-Planck Inst. für Physik und Astrophysik X-Ray and UV Emission from Active Galactic Nuclei p 55-57 (SEE N85-17790 08-88)
Astronomy and Astrophysics
Astrophysics
Extragalactic Radio Sources, Galactic Nuclei, Optical Emission Spectroscopy, Seyfert Galaxies, X Ray Sources, Galactic Structure, Line Spectra, Velocity Distribution
Scientific paper
The spectrum of NGC 2110 was obtained with extremely high spectral and spatial resolution in a study of Seyfert galaxy nuclei. A shell expanding with a velocity of 250 km/sec is observed at the end of the jet. The main components, which have line widths of 270 km/sec, are composed of at least 2 lines, that differ little in radial velocity. There are also fainter components with larger relative velocities. The velocity structure at the nuclear position is much more complex and defies any reasonable fitting. The nuclear structure of NGC 2110 differs significantly from that of 3C305, which shows a similar optical and radio structure. No broad line width (FWZJ 3600 km/sec for H alpha) is reported. However, individual line features are observed over a few arcsec extension and spread over a large velocity range.
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