UGC 4457 | |
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Hubble Space Telescope image of UGC 4457 | |
Observation data | |
Constellation | Cancer |
Right ascension | 127.9 degrees |
Redshift | 0.03718 0.00001 |
Heliocentric radial velocity | 11,162 km/s |
Distance | 500 Mly (153.3 Mpc) |
Apparent magnitude (V) | 15.131 |
Notable features | Interacting galaxy |
Other designations | |
UGC 4457 PGC 23935, Arp 58, IRAS 08290+1922, MCG +03-22-017, VV 413, LEDA 23935, Z 89-40 |
UGC 4457 known as PGC 23935, is a barred spiral galaxy, containing an active galactic nucleus in the Cancer constellation. [1] [2] [3] It is located 500 million light-years away from the Solar System [3] and has a diameter of 290,000 light-years, [1] making it slightly more massive compared to the Milky Way. [4] The galaxy is moving away at a speed of 11,162 kilometers per second. [1]
UGC 4457 is interacting with the compact galaxy, PGC 23937. Together, they form Arp 58 and are classified under spiral galaxies that have small companions with high surface brightness. [5] UGC 4457 shows disturbed spiral arms, indicating signs of velocity disturbance levels and regions of scattered ionized gas, typically normal for interacting galaxies. A faint spiral bridge can be seen thus representing the remains of an older mode of spiral waves. [6]