Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...264l...7u&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 264, Jan. 1, 1983, p. L7-L11.
Astronomy and Astrophysics
Astronomy
38
Astronomical Spectroscopy, Galactic Nuclei, Radio Sources (Astronomy), X Ray Sources, Cosmic Gases, Electron Density (Concentration), Galactic Structure, Seyfert Galaxies, Very Large Array (Vla), Visible Spectrum
Scientific paper
The Very Large Array has been used to map the radio emission of the X-ray galaxy NGC 2110. Maps at 6 cm and 20 cm reveal a triple radio structure with a total extent of 4 arcsec (830 pc). The radio source is similar in power, size, and morphology to those found in Seyfert 2 galaxies. However, unlike most type 2 Seyferts, NGC 2110 also contains a flat-spectrum nuclear radio component. New medium-dispersion optical spectra are used to derive the electron density at the nucleus and at a position approximately 1.2 kpc from it. The outer radio lobes are in rough pressure balance with the optical line emitting gas in the nucleus and have a pressure apparently higher than that in the off-nuclear gas. The S-shaped symmetry of the radio source may reflect bending of a radio 'jet' by the ram pressure of a rotating interstellar medium in NGC 2110.
Ulvestad James S.
Wilson Andrew S.
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