Object name: UGC04879
Designation(s): UGC04879, UGC4906, NGC4913,
UGC 4879 is a very lonely irregular dwarf galaxy on the very edge of the local group. We see it in western Ursa Major above its front legs. NED puts it at a distance of 4 million light-years by redshift and 4.2 million by non-redshift measurements. Modern papers I found say 4.5 million while the HST site agrees with NED at 4 million. Even rather close our distance estimates vary by more than 10%. It is a dwarf galaxy easily resolved by the HST but not by me on the below average seeing night I took it. Several star clusters in the galaxy appear as stars in my image. The galaxy itself is mottled but not resolved. Its nearest neighbor, Leo A is 2.3 million light-years from it. For this reason, it likely hasn't interacted with another galaxy for many billions of years. It shows evidence of star formation for the first 4 billion years of its existence then little or none for the next 9 billion years. That leaves only a few hundred million years for it to have formed the blue stars that so dominate my image. One paper said it has no dust or gas left. If correct star formation has come to a halt in this galaxy again.
Related Designation(s):2MASS J09173992+5259343, 2MASX J09160219+5250239, 2MASX J09173992+5259339, 2MASXi J0917400+525937, 2MFGC 07220, AKARI J0917407+525946, ASK 089542.0, CGCG 0912.5+5303, CGCG 0914.1+5312, CGCG 264-088, CGCG 264-091, GALEXASC J091740.04+525936.7 , GALEXMSC J091740.08+525937.1 , IRAS 09141+5312, IRAS F09140+5312, LQAC 139+052 008, MCG +09-15-113, MCG +09-15-114, NFGS 040, NGC 2841:[AZP2006] b, NGC 4913, NGC4913, NSA 016235, NSA 135790, NVSS J091739+525934, PGC 026142, PGC 026246, SDSS J091739.91+525934.4, SDSS J091739.92+525934.5, UGC 04879, UGC 04906, UGC04879, UGC4906, UZC J091602.8+525030, UZC J091739.9+525935, UZC-CG 094 NED02, VV 124, [LG2007] 07, [M98j] 062 NED01, [RC2] A0914+53, [TCW2007] 061, [VCV2006] J091739.9+525934,