Irregular or Lenticular Galaxy UGCA 92 (EGB 0427+63, PCG 15439), type Irr or S0, in Camelopardalis

04 : 27.4
+63 : 30
Irr or S0
+ 66 km/s
4700 kly
Apparent Dimension:
2.0 x 1.0 arc min
13.8 mag vis
Abs. Mag:
Discovered 1974 by P.N. Nilson. This irregular or lenticular galaxy was suggested as Local Group candidate by Hoessel (1988). On the other hand, Kraan-Korteweg and Tammann (1979) list it as a probable member of the Maffei 1 - IC 342 group of galaxies; its angular separation from IC 342 is just 6.4 degrees. According to van dan Bergh (1994), its membership is still uncertain, and it may be situated intermediately between both groups of galaxies. Mateo (1998) has it as a group member and gives a distance which, adjusted to our scale, is about 4.7 million light-years. A membership is supported by its small redshift; it is receding from us at only 66 km/sec.

UGCA 92 lies close to NGC 1569 in the sky, and has approximately the same recession velocity. This implies that this Local Group candidate might be associated with that galaxy. Both are situated approximately in the direction of the Maffei 1 and the M81 groups, so that their role in past Local Group and Maffei 1 group dynamics may be interesting.


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Hartmut Frommert
Christine Kronberg

Last Modification: January 13, 2000