Is NGC 931 (Markarian 1040) a barred galaxy?

Details Is NGC 931 (Markarian 1040) a barred galaxy? Is NGC 931 (Markarian 1040) a barred galaxy?

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...263...69a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 263, no. 1-2, p. 69-74.

Astronomy and Astrophysics

Astrophysics

16

Barred Galaxies, Galactic Structure, Markarian Galaxies, Seyfert Galaxies, Absorption Spectra, Galactic Rotation, Image Analysis, Ionized Gases, Velocity Distribution

Scientific paper

The velocity field of the ionized gas in the galaxy NGC 931 (Mk 1040) has been observed with the CIGALE instrument at the prime focus of the SAO 6 m telescope. An azimuthal asymmetry of the velocities is observed in the disk of the galaxy, indicating large deviations from pure circular motions. This asymmetry is typical of the perturbations induced by a massive bar about 20 kpc long. This bar is not seen on classical red or blue photographs which may be explained by absorption because of the strong inclination of the galactic disk.

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