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| NGC 3109 | |
|---|---|
 NGC 3109 by GALEX (ultraviolet) | |
| 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][a] 3,946 ly × 3,946 ly (1.21 kpc × 1.21 kpc) (diameter; 2MASS K-band total isophote)[4][a] |
| Apparent size (V) | 19.1′ × 3.7′[1] |
| Other designations | |
| UGCA 194, PGC, 29128,[1] h 3221, GC 2003[5] | |
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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]
- ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 3109. Retrieved 2006-11-19.
- ^ Cite error: The named reference
karachentsevetal2004was invoked but never defined (see the help page). - ^ Cite error: The named reference
Karachentsevetal2006was invoked but never defined (see the help page). - ^ a b "Detailed Information for Object NGC 3109". NASA/IPAC Extragalactic Database. Retrieved September 13, 2023.
- ^ a b Irregular Galaxy NGC 3109 Archived 2007-11-07 at the Wayback Machine
- ^ Grebel, Gallagher, Harbeck, p.7
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