The stellar bar in NGC 1068

Details The stellar bar in NGC 1068 The stellar bar in NGC 1068

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...327l..61s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 327, April 15, 1988, p. L61-L64.

Astronomy and Astrophysics

Astrophysics

118

Active Galactic Nuclei, Disk Galaxies, Infrared Spectrophotometers, Mass Distribution, Seyfert Galaxies, Stellar Mass, Far Infrared Radiation, Star Formation, Very Large Array (Vla), Very Long Base Interferometry

Scientific paper

High-resolution 2 μm mapping of the inner disk of NGC 1068 reveals a bar extending to ±16arcsec from the nucleus at position angle 48°. The stellar mass distribution, presumably traced by the near-infrared light, is therefore strongly nonaxisymmetric with a contrast of approximately 3:1 between the major and minor axes of the bar. This large-scale galactic structure is probably responsible for the concentration of molecular clouds in a ring just outside the bar. The massive bar may also drive noncircular motions in the inner disk of the galaxy as possibly seen in the gaseous emission lines.

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