Kinematics of the forbidden O III-emitting gas in the 1-arcsecond circumnuclear core of the Seyfert galaxy NGC 1068

Details Kinematics of the forbidden O III-emitting gas in the 1-arcsecond circumnuclear core of the Seyfert galaxy NGC 1068 Kinematics of the forbidden O III-emitting gas in the 1-arcsecond circumnuclear core of the Seyfert galaxy NGC 1068

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...266...15a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 266, no. 1, p. 15-20.

Astronomy and Astrophysics

Astrophysics

3

Emission Spectra, Galactic Nuclei, Kinematics, Seyfert Galaxies, Galactic Mass, Galactic Structure, Ionized Gases, Speckle Interferometry, Very Large Array (Vla)

Scientific paper

The velocities of forbidden O III emitting ionized gas clouds observed in the collimated outburst in the nuclear core of Seyfert galaxy NGC 1068 were measured by means of a speckle spectrograph attached to the 6 m Telescope. The north-east cloud showing the velocity of -460 km/s with respect to the center is located at a distance of 0.34 arcsec from the central condensation of 0.3 arcsec size. The south-west component, located at 0.33 arcsec, has a speed of + 420 km/s. The positions of the clouds coincide with radio components on the VLA 1.3 cm radio map. The brightest O III forbidden-line emitting component, corresponding to the central cloud of the radio map, shows a radial velocity of 200 km/s at the distance 0.2 arcsec = 15 pc from the center. The estimated mass at this distance indicates the presence of a very massive nucleus.

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