Dwarf irregular Sagittarius galaxy

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Data from the irregular Sagittarius dwarf galaxy
Image of the irregular Sagittarius dwarf galaxy from the Hubble Space Telescope
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

Individual evidence

  1. ESO: A diamond in the rough
  2. SuW 04.2018: A tiny galaxy in the constellation Sagittarius p. 13