NGC 4605 is a dwarf barred spiral galaxy[6] in the constellation Ursa Major, located at a distance of 18.1 ± 0.3 megalight-years from the Milky Way.[5] Physically it is similar in size and in B-band absolute magnitude to the Large Magellanic Cloud.[6] It is a member of the M81 Galaxy Group, along with Messier 81 and Messier 101.[9]
NGC 4605 | |
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Observation data (J2000 epoch) | |
Constellation | Ursa Major |
Right ascension | 12h 39m 59.381s[2] |
Declination | +61° 36′ 33.09″[2] |
Redshift | 0.000484±0.000020[3] |
Heliocentric radial velocity | 143 ± 5 km/s[4] |
Distance | 18.10 ± 0.33 Mly (5.55 ± 0.10 Mpc)[5] |
Apparent magnitude (V) | 10.9[4] |
Absolute magnitude (B) | –18.10[6] |
Characteristics | |
Type | SBc[6] or SB(s)c pec[4] |
Mass/Light ratio | 0.25±0.03[6] M☉/L☉ |
Apparent size (V) | 6.03′ × 2.45′[7] |
Other designations | |
UGC 7831,[8] PGC 42408[4] |