| I Zwicky 1 | |
|---|---|
 Hubble Space Telescope image of I Zwicky 1 | |
| Observation data (J2000 epoch) | |
| Constellation | Pisces |
| Right ascension | 00h 53m 34.94s |
| Declination | +12d 41m 36.20s |
| Redshift | 0.061169 |
| Heliocentric radial velocity | 18,338 km/s |
| Distance | 847 Mly (259.7 Mpc) |
| Apparent magnitude (V) | 0.43 |
| Apparent magnitude (B) | 0.54 |
| Surface brightness | 14.4 |
| Characteristics | |
| Type | Sa;Sy1, Sbrst |
| Size | 0.5' x 0.5' |
| Notable features | Seyfert galaxy containing a quasar |
| Other designations | |
| UGC 545, PG 0050+124, PGC 3151, IRAS 00509+1225, RBS 0129, 2E 209, PHL 3072, Mrk 1502, Mrk 9009, NVSS J005334+124133 | |
I Zwicky 1 (shortened to I Zw 1), also known as UGC 545, is a galaxy located in the constellation Pisces. It is located 847 million light-years from Earth[1] and is said to be the nearest quasar (QSO) due to its high optical nuclear luminosity of MV = -23.8 mag.[2]
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-05-20.
- ^ "Host Galaxy of QSO I Zw 1". iopscience.iop.org. arXiv:astro-ph/9801061. doi:10.1086/305714. Retrieved 2024-05-20.