Antlia Dwarf
Galaxy in the constellation Antlia / From Wikipedia, the free encyclopedia
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Not to be confused with Antlia II.
The Antlia Dwarf is a dwarf spheroidal/irregular galaxy. It lies about 1.3 Mpc (4.3 million light-years) from Earth in the constellation Antlia. It is the fourth and faintest member of the nearby Antlia-Sextans Group of galaxies. The galaxy contains stars of all ages, contains significant amounts of gas, and has experienced recent star formation. The Antlia Dwarf is believed to be tidally interacting with the small barred spiral galaxy NGC 3109.[3][7]
Quick Facts Observation data (J2000 epoch), Constellation ...
Antlia Dwarf | |
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Observation data (J2000 epoch) | |
Constellation | Antlia |
Right ascension | 10h 04m 03.9s[1] |
Declination | −27° 19′ 55″[1] |
Redshift | 362 ± 0 km/s[1] |
Distance | 1.32 ± 0.06[2] Mpc 1.33 ± 0.10[3] Mpc 1.31 ± 0.03[4] Mpc 1.29 ± 0.02[5] Mpc 1.25[6] Mpc |
Group or cluster | Antlia-Sextans Group |
Apparent magnitude (V) | 15.67 ± 0.02[2] |
Characteristics | |
Type | dE3.5[1] dSph,[3] dSph/Irr |
Mass | 3 × 107 M☉ |
Apparent size (V) | 2′.0 × 1′.5[1] |
Other designations | |
Antlia Dwarf Galaxy,[1] PGC 29194[1] |
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