IC 5145 | |
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![]() IC 5145 imaged by SDSS | |
Observation data (J2000 epoch) | |
Constellation | Pegasus |
Right ascension | 21h 54m 23.0673s [1] |
Declination | +15° 09′ 25.067″ [1] |
Redshift | 0.024594±0.000005 [1] |
Heliocentric radial velocity | 7,373±1 km/s [1] |
Distance | 328.83 ± 15.36 Mly (100.820 ± 4.710 Mpc) [1] |
Apparent magnitude (V) | 14.30 [1] |
Characteristics | |
Type | Sab [1] |
Size | ~186,700 ly (57.24 kpc) (estimated) [1] |
Apparent size (V) | 1.6′ × 0.9′ [1] |
Other designations | |
IRAS F21519+1455, 2MASS J21542306+1509249, 2MASX J21542304+1509244, UGC 11844, LEDA 67619, MCG +02-55-028, PGC 67619, CGCG 427-041, SDSS J215423.07+150924.9 [1] |
IC 5145 is a type Sab spiral galaxy [2] located in the constellation Pegasus. [3] [4] It is located about 328 million light-years from the Solar System [1] . It was discovered by Edward Emerson Barnard, although the year he discovered it is unknown. [5]
The luminosity class of IC 5145 is I-II and it has a broad H II region. [1] Its dimensions measure 1.60 x 0.9 arcmin. [6]
Six supernovae have been discovered in IC 5145: