SIMBAD references

2000A&A...362..544K - Astronomy and Astrophysics, volume 362, 544-556 (2000/10-2)

A group of galaxies around the giant spiral NGC 6946.


Abstract (from CDS):

We present large-scale CCD images of a dozen low surface brightness objects in the vicinity of giant Sc galaxy NGC 6946, which have been found recently on POSS-II copies. Six of them: UGC 11583, kk 251, kk 252, kkr 55, kkr 56, and kkr 59 are dwarf irregular galaxies resolved into stars. We determined their distances from the luminosity of the brightest blue stars. The mean estimated distance to the NGC 6946 group is 5.9±0.4Mpc. Together with Cepheus 1, discovered before, the group consist of 8 late type galaxies. Almost all of them are detected or marginally detected in the HI line. The group is characterized by a linear projected diameter of 420kpc, a radial velocity dispersion of 95km/s, and a virial mass-to-luminosity ratio about 56M/L.

Abstract Copyright:

Journal keyword(s): galaxies: dwarf - galaxies: individual: NGC 6946 - galaxies: photometry

Simbad objects: 26

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