A ring galaxy in Canes Venatici and related ring galaxies

Details A ring galaxy in Canes Venatici and related ring galaxies A ring galaxy in Canes Venatici and related ring galaxies

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasp..103..392w&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 103, April 1991, p. 392-395.

Other

Astronomical Spectroscopy, Red Shift, Ring Galaxies, H Ii Regions, Interacting Galaxies, Seyfert Galaxies

Scientific paper

A spectroscopic observation was made of a ring-shaped object in Canes Venatici. A bright knot at the edge of the ring has a recession velocity of 10,960 + or - 30 km/s and so is confirmed as an extragalactic object. It shows no sign of nuclear activity but appears to be an H II region of intermediate excitation class. The linear diameter of the ring is 14.2 + or - 0.8 kpc, a typical size for ring galaxies. Recession velocities of several other ring galaxies are also given.

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