Loading AI tools
Galaxy in the constellation Andromeda From Wikipedia, the free encyclopedia
NGC 477 is a spiral galaxy in the constellation Andromeda.[1] It is located approximately 250 million light-years from Earth and was discovered on October 18, 1786 by astronomer William Herschel.[2][3]
NGC 477 | |
---|---|
Observation data (J2000 epoch) | |
Constellation | Andromeda |
Right ascension | 01h 21m 20.39s |
Declination | +40° 29′ 17.6″ |
Redshift | 0.019560 ± 0.000033 |
Heliocentric radial velocity | 5807 ± 10 km/s |
Distance | 250 Mly |
Apparent magnitude (V) | 13.1 |
Characteristics | |
Type | SAB(s)c |
Apparent size (V) | 1,6′ × 1,1′ |
Other designations | |
PGC 4915, GC 268, UGC 886, MCG +07-03-032 2MASX J01212039+4029176 |
One supernova has been observed in NGC 477: SN 2002jy (type Ia, mag. 16.3).[4]
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.