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 edit
- M101 Group, a group which UGC 8837 belongs
- Pinwheel Galaxy, the central and largest galaxy in M101 group
References edit
- ^ "The M101 group of galaxies". www.messier.seds.org. Retrieved 2020-04-26.
- ^ 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 edit
Media related to UGC 8837 at Wikimedia Commons
