NGC 682
Galaxy in the constellation Cetus
From Wikipedia, the free encyclopedia
NGC 682 is a lenticular galaxy in the constellation of Cetus. Its velocity with respect to the cosmic microwave background is 5,338 ± 26 km/s, which corresponds to a Hubble distance of 78.7 ± 5.5 Mpc (~257 million light-years).[1] It was discovered by German-British astronomer William Herschel on 30 December 1785.[2]
Right ascension01h 40m 04.5754s[1]
Declination−14° 58′ 29.019″[1]
| NGC 682 | |
|---|---|
NGC 682 imaged by Pan-STARRS | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 01h 40m 04.5754s[1] |
| Declination | −14° 58′ 29.019″[1] |
| Redshift | 0.018686[1] |
| Heliocentric radial velocity | 5602 ± 19 km/s[1] |
| Distance | 256.8 ± 18.0 Mly (78.73 ± 5.53 Mpc)[1] |
| Apparent magnitude (V) | 13.4[1] |
| Characteristics | |
| Type | SA0-[1] |
| Size | ~105,900 ly (32.46 kpc) (estimated)[1] |
| Apparent size (V) | 1.4′ × 1.1′[1] |
| Other designations | |
| 2MASX J01490460-1458295, MCG -03-05-022, PGC 6663[1] | |
One supernova has been observed in NGC 682: SN 2023xtg (Type Ia, mag. 18.1) was discovered by Kōichi Itagaki on 14 November 2023.[3]
