Dwingeloo 1
Dwingeloo 1 is a barred spiral galaxy about 10 million light-years away from the Earth, in the constellation Cassiopeia. It lies in the Zone of Avoidance and is heavily obscured by the Milky Way. The size and mass of Dwingeloo 1 are comparable to those of Triangulum Galaxy.
| Dwingeloo 1 | |
|---|---|
WISE infrared image of Dwingeloo 1 | |
| Observation data (J2000 epoch) | |
| Constellation | Cassiopeia |
| Right ascension | 02h 56m 51.9s |
| Declination | +58° 54′ 42″ |
| Redshift | 0.000368 |
| Heliocentric radial velocity | 110.3 ± 0.4 km/s |
| Galactocentric velocity | 257 km/s |
| Distance | ~ 10 Mly (~3 Mpc) |
| Group or cluster | IC 342/Maffei |
| Apparent magnitude (V) | 13.08 (V-band) |
| Characteristics | |
| Type | SB(s)cd |
| Apparent size (V) | 4.2′ × 0.34′ |
| Other designations | |
| LEDA 100170, CAS 2 | |
Dwingeloo 1 has two smaller satellite galaxies – Dwingeloo 2 and MB 3 – and is a member of the IC 342/Maffei Group of galaxies.
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