UDF 423
| UDF 423 | |
|---|---|
Spiral galaxy UDF 423 in the Hubble Ultra Deep Field | |
| Observation data (J2000 epoch) | |
| Constellation | Fornax |
| Right ascension | 03h 32m 39.16s |
| Declination | −27° 48′ 44.7″ |
| Redshift | 1 (or 0.46) |
| Distance | 7.7 billion light-years (or 4.7 billion light-years) (light travel distance) ~10 billion light-years (or 5.7 billion light-years) (present comoving distance) |
| Apparent magnitude (V) | 20 |
| Characteristics | |
| Type | Sab |
| Apparent size (V) | 0.11' x 5.04" or 0.0027' x 0.0027' |
UDF 423 is the Hubble Ultra Deep Field (UDF) identifier for a distant spiral galaxy. With an apparent magnitude of 20, UDF 423 is one of the brightest galaxies in the HUDF and also has one of the largest apparent sizes in the HUDF.