NGC 1144, the fastest rotating galaxy?

Details NGC 1144, the fastest rotating galaxy? NGC 1144, the fastest rotating galaxy?

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.156..209h&link_type=abstract

(Instituto de Astrofisica de Canarias and Comision Interministerial de Ciencia y Tecnologia, Summer School on Evolutionary Pheno

Astronomy and Astrophysics

Astrophysics

3

Astronomical Photometry, Galactic Rotation, H Ii Regions, Interacting Galaxies, Ring Galaxies, Seyfert Galaxies, Brightness Distribution, Elliptical Galaxies, Far Infrared Radiation, Galactic Nuclei, Radial Velocity

Scientific paper

The photometry and kinematics of the interacting galaxy system Arp 118 are presented. Its eastern component, NGC 1144, has a Seyfert 2 nucleus and is dominated by a ring-like structure of giant H II regions, the radial velocities of which vary by more than 1000 km/s. Kinematical models including a close encounter with the elliptical companion NGC 1143 lead to extremely high values for the rotational velocity, the mass of NGC 1144 and its M/L ratio.

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