Object name: NGC5992
Designation(s): NGC5992, NGC5993,
KPG 471 is a pair of galaxies in eastern Bootes near the border with Hercules that lie about 430 to 440 million light-years from us. The two carry the NGC numbers of 5992 and 5993. NED has a note indicating they are non-interacting. Odd as both seem rather disturbed to my eye. Also, I think I see a faint star stream running between them in my image as well as in the Sloan image of this pair. So I'm going to say they are interacting. NGC 5992 to the south is listed as SBb with HII regions. They are obvious with three forming a tight arc to the east of the core and several more looking like a distorted spiral arm on the western side. While it looks highly disrupted, I found no mention of this. It is a Markarian blue galaxy being #489 in his list of galaxies with excess blue and UV light coming from their cores. While it was the core that was important most are quite blue everywhere and often they are rather disorganized so NGC 5992 would be a classic example of his class of galaxies. Including plumes, its east/west diameter is about 160,000 light-years though its north-south diameter, lacking plumes is 122,000 light-years. It was discovered by William Herschel on March 18, 1787.
Related Designation(s):2MASS J15442150+4105110, 2MASS J15442763+4107150, 2MASX J15442146+4105110, 2MASXi J1544215+410511, AKARI J1544215+410509, AKARI J1544274+410717, CGCG 1542.6+4115, CGCG 1542.7+4117, CGCG 222-047, CGCG 222-048, FBQS J154427.6+410714, FIRST J154421.6+410512, FIRST J154427.6+410714, GALEXASC J154421.49+410509.2 , GALEXMSC J154421.54+410509.0 , IRAS 15425+4114, IRAS 15426+4116, IRAS F15426+4115, KPG 471A, KPG 471B, MCG +07-32-049, MCG +07-32-050, MRK 0489, NFGS 171, NGC 5992, NGC 5993, NGC5992, NGC5993, NSA 146367, NVSS J154421+410510, NVSS J154427+410715, PGC 055913, PGC 055918, SDSS J154421.51+410510.9, SDSS J154427.61+410714.9, SSTSL2 J154427.59+410715.1, UGC 10003, UGC 10007, UZC J154421.6+410512, UZC J154427.6+410717, [M98j] 248 NED01, [M98j] 248 NED02, [SP82] 51, [WZX98] 15425+4114A, [WZX98] 15426+4116B, [YOK2013] J1544218+410512,