Dwarf irregular Sagittarius galaxy
Data from the irregular Sagittarius dwarf galaxy | |
---|---|
Constellation | Sagittarius |
Position ( equinox : J2000.0 ) | |
Right ascension | 19 h 29 m 59 s |
declination | -17 ° 40 ′ 41 ″ |
Appearance | |
Type | IB (s) m V |
Apparent brightness | +15 m , 5 |
Apparent diameter | 2 ′, 9 × 2 ′, 1 |
Surface brightness | |
Physical data | |
Affiliation | Local group |
distance | 3.39 ± 0.23 million light years |
Redshift | −0.000264 ± 0.000003 |
Heliocentric radial relative speed | −79 ± 1 km / s |
Absolute brightness | |
Absolute diameter | |
Dimensions | |
Other names | |
SagDIG, SgrDIG, ESO 594-G4, PGC 63287, HIPASS J1929-17, UKS 1927-177, Kowals object |
The Dwarf Sagittarius Irregular Galaxy is a dwarf galaxy in the constellation of Sagittarius . The distance to Earth is 3.4 million light years and is the most distant member of the Local Group . Compared to the Milky Way, the galaxy contains only relatively small amounts of heavy elements.
The irregular Sagittarius dwarf galaxy is not to be confused with the elliptical Sagittarius dwarf galaxy , a companion of our galaxy , the Milky Way .
The property was on 13 June 1977 at Schmidt telescope of ESO discovered.
gallery
In the center of the image ( ESO's Very Large Telescope (VLT))
Individual evidence
- ↑ ESO: A diamond in the rough
- ↑ SuW 04.2018: A tiny galaxy in the constellation Sagittarius p. 13