Redshifts of galaxies in the galactic anticenter - A nearby group in Orion

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Extragalactic Radio Sources, Galactic Radiation, H Lines, Red Shift, Centimeter Waves, Galactic Nuclei, Galaxies, Neutral Gases, Orion Constellation

Scientific paper

Observations in the 21-cm line of neutral hydrogen of faint objects in the galactic anticenter direction are reported which have led to the detection of two previously unreported nearby objects in the Orion-Monoceros region. The previously unidentified objects were detected with the 91.4-m NRAO telescope, and observed further with the Arecibo 305-m telescope. The discovery of these objects, one of which is identified with a galaxy and the other of which is most likely a very low-mass dwarf, together with the presence of a third galaxy in the region, suggests the possibility of a group of objects with radial velocities between 270 and 430 km/sec and distances between members of 390 kpc and 2.5 Mpc, at a distance of 6 Mpc from the galaxy. The redshifts of 20 other cataloged galaxies in the anticenter region are also presented, and it is noted that one of these objects, UGC 3303, is located near two of the three objects which are identified with an Orion group.

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