Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981s%26w....20..415.&link_type=abstract
Sterne und Weltraum, vol. 20, Nov. 1981, p. 415. In German.
Astronomy and Astrophysics
Astronomy
Astronomical Photography, Elliptical Galaxies, Galactic Structure, Local Group (Astronomy), Astronomical Spectroscopy, Brightness, Radial Velocity
Scientific paper
Near the radio galaxy NGC 5128 = Cen A, an apparently elliptical galaxy, NGC 5237, is located. However, a closer examination of this galaxy shows a 'blob' in an eccentric position. Because of this blob, the galaxy has an unusual structure which defies an easy classification. The NGC 5237 has a low brightness. The blob is brighter than the boundary zones of the galaxy. Fairall (1981) obtained for the galaxy a radial velocity of only 100 km/sec. In connection with this result, it is concluded that NGC 5237 must belong to the Local Group of galaxies. NGC 5237 has a diameter of approximately 400 pc and is located at a distance of 1 Mpc. The galaxy appears to occupy an intermediate position between elliptical and irregular dwarf systems with low brightness.
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