NGC 554 is a pair of interacting lenticular galaxies in the constellation of Cetus. It is estimated to be 457 million light-years away from the Milky Way.[1][2] The pair consists of PGC 5412, type S0 and PGC 5413, type SB0.[3][4]
| NGC 554 | |
|---|---|
 NGC 556 (o), NGC 555 (u.) & NGC 554 (m.) | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 01h 27m 09.6s |
| Declination | −22° 43′ 30″ |
| Redshift | 0.032572 |
| Distance | 457 Mly (140.2 Mpc) |
| Apparent magnitude (V) | 13.6 & 14.6 |
| Apparent magnitude (B) | 13.8 & 14.8 |
| Surface brightness | 12.8 mag/arcmin |
| Characteristics | |
| Type | S0 & SB0 |
| Size | 312,000 ly (95.75 kpc estimated) |
| Apparent size (V) | 1.5 |
| Other designations | |
| PGC 5412/5413, ESO 476-11, AM 0124-225, MCG -04-04-013 | |
The object was discovered in 1886 by Frank Muller.[3]
See also
editReferences
edit- ^ "Simbad - Object view". simbad.cds.unistra.fr. Retrieved 2024-07-21.
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-07-21.
- ^ a b "New General Catalog Objects: NGC 550 - 599". cseligman.com. Retrieved 2024-07-21.
- ^ "Revised data from NCG/IC Catalogue by Wolfgang Steinicke from NGC 500 to 599". astrovalleyfield.ca. Retrieved 2024-07-22.
External links
edit
Media related to NGC 554 at Wikimedia Commons
