NGC 2297
Galaxy in the constellation Pictor
From Wikipedia, the free encyclopedia
NGC 2297 is an intermediate spiral galaxy in the constellation of Pictor. Its velocity with respect to the cosmic microwave background is 3,500±34 km/s, which corresponds to a Hubble distance of 168.4 ± 12.0 Mly (51.62 ± 3.68 Mpc).[1] It was discovered by British astronomer John Herschel on 31 January 1835.[2]
Right ascension06h 44m 24.5585s[1]
Declination−63° 43′ 02.443″[1]
| NGC 2297 | |
|---|---|
NGC 2297 imaged by Legacy Surveys | |
| Observation data (J2000 epoch) | |
| Constellation | Pictor |
| Right ascension | 06h 44m 24.5585s[1] |
| Declination | −63° 43′ 02.443″[1] |
| Redshift | 0.011325±0.000110[1] |
| Heliocentric radial velocity | 3,395±33 km/s[1] |
| Distance | 168.4 ± 12.0 Mly (51.62 ± 3.68 Mpc)[1] |
| Group or cluster | [CHM2007] HDC 415 |
| Apparent magnitude (V) | 13.37[1] |
| Characteristics | |
| Type | SAB(rs)bc[1] |
| Size | ~104,300 ly (31.97 kpc) (estimated)[1] |
| Apparent size (V) | 1.4′ × 1.3′[1] |
| Other designations | |
| ESO 087- G 040, IRAS 06440-6339, 2MASS J06442460-6343026, PGC 19524[1] | |
HDC 415 group
NGC 2297 is a member of a small group of galaxies known as [CHM2007] HDC 415. The other four galaxies in the group are NGC 2305, NGC 2307, ESO 87-38, and LEDA 326726.[3][4]
Supernovae
Two supernovae have been observed in NGC 2297:
