IC 1189

IC 1189 is a S0-a lenticular galaxy with a ring structure^[1] located in Hercules.^[2][3] It is located 557 million light-years away from the Solar System and has an approximate diameter of 145,000 light-years.^[4] IC 1189 was discovered on June 7, 1888, by Lewis Swift.^[5][6] It is a member of the Hercules Cluster.^[7][8][9]

IC 1189
SDSS image of IC 1189
Observation data (J2000 epoch)
Constellation	Hercules
Right ascension	16h 06m 14.8s
Declination	+18° 10′ 58.3″
Redshift	0.039400
Heliocentric radial velocity	11,812 km/s
Distance	557 Mly (171 Mpc)
Group or cluster	Hercules Cluster
Apparent magnitude (V)	15.5
Characteristics
Type	(R)SB(rs)0/a, Sbrst
Size	145,000 ly
Notable features	Starburst galaxy
Other designations
PGC 57135, KUG 1604+143, Mrk 300, CGCG 108-144, MCG +03-41-119, 2MASX J16061486+1810582, IRAS F16039+1819, WBL 607-030, ASK 564476.0, NSA 099884, ABELL 2151:[D80] 126, SDSS J160614.83+181058.3, LEDA 57135

IC 1189 has an active galactic nucleus and is classified as a starburst galaxy^[4] meaning to say, it is a powerhouse star factory making stars at a rate hundred of times greater compared to the Milky Way.^[10] Additionally, it falls into the Markarian galaxies category as Mrk 300, in which its core shines in ultraviolet rays.^[11]