Article · Wikipedia archive · Last revised Aug 10, 2026

NGC 5477

NGC 5477 is a dwarf galaxy located in the constellation of Ursa Major, 20 million light years away from Earth. It was discovered on April 14, 1789, by astronomer William Herschel. It has a luminosity class of V and has a large hydrogen line.

Last revised
Aug 10, 2026
Read time
≈ 1 min
Length
160 w
Citations
11
Source
NGC 5477
Dwarf galaxy NGC 5477 taken by the Hubble Space Telescope.
Observation data (J2000 epoch)
ConstellationUrsa Major1
Right ascension14h 05m 33.1s2
Declination+54° 27′ 40″2
Redshift0.0010572
Heliocentric radial velocity317 km/s2
Distance20 million light years1
Apparent magnitude (V)14.012
Characteristics
TypeSm:3
Other designations
MCG+09-23-034, VV 561, [MI94] Sm 95, DDO 186, SPB 245, Z 272–25 [VDD93] 194, IRAS F14038+5441, TC 305, Z 1403.8+5442, KUG 1403+546, UGC 9018, [HBS84] 74, LEDA 50262, UZC J140532.8+542739, [M98c] 140347.9+5442002

NGC 5477 is a dwarf galaxy located in the constellation of Ursa Major, 20 million light years away from Earth. It was discovered on April 14, 1789, by astronomer William Herschel.3 It has a luminosity class of V and has a large hydrogen line.4

References

References

  1. "An archetypal dwarf galaxy". Picture of the Week. ESA/Hubble. Retrieved 11 January 2013.
  2. "Search Results for 5477". Astronomical Database. SIMBAD. Retrieved 11 January 2013.
  3. Seligman, Courtney. "New General Catalogue objects: NGC 5450 - 5499". cseligman.com. Retrieved 2021-02-27.
  4. "By Name". NASA/IPAC Extragalactic Database. Retrieved 2025-11-26.
External links
  • Media related to NGC 5477 at Wikimedia Commons