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.
Observation data (J2000 epoch)
Constellation	Ursa Major
Right ascension	13h 54m 45.602s
Declination	+53° 54′ 20.06″
Redshift	0.000467
Heliocentric radial velocity	140 km/s
Distance	24 Mly
Apparent magnitude (V)	13.34
Apparent magnitude (B)	14.2
Characteristics
Type	IB(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

• M101 Group, a group which UGC 8837 belongs
• Pinwheel Galaxy, the central and largest galaxy in M101 group

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.

External links

• Media related to UGC 8837 at Wikimedia Commons