NGC 3109
Galaxy in the constellation Hydra / From Wikipedia, the free encyclopedia
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NGC 3109 is a small barred Magellanic type spiral or irregular galaxy around 4.35 Mly away in the direction of the constellation of Hydra. NGC 3109 is believed to be tidally interacting with the dwarf elliptical galaxy Antlia Dwarf.[6] It was discovered by John Herschel on March 24, 1835 while he was in what is now South Africa.[5]
Quick Facts Observation data (J2000 epoch), Constellation ...
NGC 3109 | |
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Observation data (J2000 epoch) | |
Constellation | Hydra |
Right ascension | 10h 03m 06.9s[1] |
Declination | −26° 09′ 34″[1] |
Redshift | 403 ± 1 km/s[1] |
Distance | 1.333 ± 0.19 Mpc (4.348 ± 0.6197 Mly)[2][3] |
Apparent magnitude (V) | 10.4[1] |
Characteristics | |
Type | SB(s)m[1] |
Size | 41,700 ly × 8,770 ly (12.80 kpc × 2.69 kpc) (diameter; ESO D25.5 B-band isophote)[4][lower-alpha 1] 3,946 ly × 3,946 ly (1.21 kpc × 1.21 kpc) (diameter; 2MASS K-band total isophote)[4][lower-alpha 1] |
Apparent size (V) | 19.1′ × 3.7′[1] |
Other designations | |
UGCA 194, PGC, 29128,[1] h 3221, GC 2003[5] |
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