NGC 5419
Galaxy in the constellation Centaurus
From Wikipedia, the free encyclopedia
NGC 5419 is a large elliptical galaxy in the constellation of Centaurus. Its velocity with respect to the cosmic microwave background is 4,375 ± 23 km/s, which corresponds to a Hubble distance of 64.5 ± 4.5 Mpc (~210 million light-years).[1] It was discovered by British astronomer John Herschel on 1 May 1834.[2]
| NGC 5419 | |
|---|---|
NGC 5419 imaged by Legacy Surveys | |
| Observation data (J2000 epoch) | |
| Constellation | Centaurus |
| Right ascension | 14h 03m 38.7349s[1] |
| Declination | −33° 58′ 41.809″[1] |
| Redshift | 0.013763[1] |
| Heliocentric radial velocity | 4126 ± 15 km/s[1] |
| Distance | 210.5 ± 14.8 Mly (64.53 ± 4.54 Mpc)[1] |
| Group or cluster | NGC 5488 Group (LGG 369) |
| Apparent magnitude (V) | 10.8[1] |
| Characteristics | |
| Type | E[1] |
| Size | ~428,600 ly (131.42 kpc) (estimated)[1] |
| Apparent size (V) | 4.1′ × 3.3′[1] |
| Other designations | |
| 2MASX J14033877-3358422, MCG -06-31-019, PGC 50100, ESO 384- G 039[1] | |
NGC 5419 is the brightest cluster galaxy of the galaxy cluster, Abell S0753.[3] It contains a large core with a radius span of 1.58 arcsec (≈55 pc). In addition, it has a double nucleus, indicating the presence of two supermassive black holes in the center with a separation gap of only ≈70 pc.[4][5][6]
NGC 5488 Group
According to A.M. Garcia, the galaxy NGC 5419 is part of the NGC 5488 group (also known as LGG 369). This group of galaxies has 14 members: NGC 5397, NGC 5488, IC 4366, and nine galaxies from the ESO catalog.[7]
Supernovae
Two supernovae have been observed in NGC 5419:
- SN 2018zz (Type Ia, mag. 16) was discovered by the All Sky Automated Survey for SuperNovae (ASAS-SN) on 3 March 2018.[8]
- SN 2020alh (Type Ia, mag. 15.304) was discovered by ATLAS on 19 January 2020.[9]
