| NGC 828 | |
|---|---|
 NGC 828 imaged by Pan-STARRS | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 02h 10m 09.5476s[1] |
| Declination | +39° 11′ 24.925″[1] |
| Redshift | 0.017846[1] |
| Heliocentric radial velocity | 5350 ± 4 km/s[1] |
| Distance | 246.2 ± 17.3 Mly (75.49 ± 5.29 Mpc)[1] |
| Apparent magnitude (V) | 12.3[1] |
| Characteristics | |
| Type | Sa? pec[1] |
| Size | ~227,600 ly (69.77 kpc) (estimated)[1] |
| Apparent size (V) | 2.5′ × 1.6′[1] |
| Other designations | |
| IRAS 02071+3857, 2MASX J02100957+3911253, UGC 1655, MCG +06-05-092, PGC 8283, CGCG 522-125[1] | |
NGC 828 is a spiral galaxy in the constellation of Andromeda. Its velocity with respect to the cosmic microwave background is 5200 ± 17 km/s, which corresponds to a Hubble distance of 250.2 ± 17.5 Mly (76.70 ± 5.37 Mpc).[1] Additionally, three non-redshift measurements give a closer distance of 223.52 ± 7.06 Mly (68.533 ± 2.165 Mpc).[2] It was discovered by German-British astronomer William Herschel on 18 October 1786.[3]
NGC 828 is a LINER galaxy, i.e. it has a type of nucleus that is defined by its spectral line emission which has weakly ionized or neutral atoms, while the spectral line emission from strongly ionized atoms is relatively weak.[1] In addition, NGC 828 is classified as a radio galaxy.[4]
One supernova has been observed in NGC 828: SN 2024lea (Type Ib, mag. 19.1) was discovered by the Zwicky Transient Facility on 10 June 2024.[5]
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