M59-UCD3 is an ultra-compact dwarf galaxy located near the Messier 59 galaxy. As of 2015[update], it is the second-densest galaxy currently observed, second to M85-HCC1.[1][2]
M59-UCD3 | |
---|---|
![]() Images of two ultracompact dwarf galaxies. M59-UCD3 is in the inset to the left, while M85-HCC1 is in the inset to the right. | |
Observation data (J2000 epoch) | |
Constellation | Virgo |
Right ascension | 12h 42m 11.041s[1] |
Declination | +11° 38′ 41.21″[1] |
Helio radial velocity | 373 ± 18[1] |
Apparent magnitude (V) | 16.34 ± 0.05[1] |
Absolute magnitude (V) | −14.60 ± 0.09[1] |
Characteristics | |
Mass | (1.8±0.3)×108[1] M☉ |
Half-light radius (physical) | 20 ± 4 pc[1] |
Galaxies | |
---|---|
Morphology |
|
Structure |
|
Active nuclei |
|
Energetic galaxies |
|
Low activity |
|
Interaction |
|
Lists |
|
See also |
|
|