UGC 8837

UGC 8837 (also known as Holmberg IV) is a dwarf galaxy located in the constellation of Ursa Major, 24 million light years away from Earth. It is a member of the M101 Group, a group containing several galaxies orbiting the largest, the Pinwheel Galaxy (M101). [1]

UGC 8837
Dwarf galaxy UGC 8837 taken by the Hubble Space Telescope.
Credit: ESA/Hubble & NASA
Observation data (J2000 epoch)
ConstellationUrsa Major
Right ascension13h 54m 45.602s
Declination+53° 54 20.06
Redshift0.000467
Helio radial velocity140 km/s
Distance24 Mly
Apparent magnitude (V)13.34
Apparent magnitude (B)14.2
Characteristics
TypeIB(s)m
Apparent size (V)2.1' x 0.6'
Other designations
Holmberg IV, LEDA 49448, UZC J135445.5+535416, [MI94] Sm 93, Anon 1352+54, MCG+09-23-017, Z 272-13, DDO 185, SDSS J135445.60+535420.0, Z 1352.9+5409, TC 295, [M98c] 135255.2+540858

It is possible UGC 8837 is one of the galaxies that interacted with the Pinwheel Galaxy and, together with NGC 5474 and NGC 5477, initiated a burst of star formation. [2]

See also

References

  1. "The M101 group of galaxies". www.messier.seds.org. Retrieved 2020-04-26.
  2. Stoyan, Ronald; Binnewies, Stefan; Friedrich, Susanne (2008-10-27). Atlas of the Messier Objects: Highlights of the Deep Sky. Cambridge University Press. ISBN 978-1-139-47311-8.
  • Media related to UGC 8837 at Wikimedia Commons
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