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| NGC 4939 | |
|---|---|
 NGC 4939 by Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 13h 04m 14.4s[1] |
| Declination | −10° 20′ 22″[1] |
| Redshift | 0.010374 ± 0.000013 [1] |
| Heliocentric radial velocity | 3,110 ± 4 km/s[1] |
| Distance | 118 ± 30 Mly (36.1 ± 9.4 Mpc)[1] |
| Apparent magnitude (V) | 11.3[2] |
| Characteristics | |
| Type | SA(s)bc [1] |
| Apparent size (V) | 5.5′ × 2.8′[1] |
| Notable features | Seyfert galaxy |
| Other designations | |
| MCG -02-33-104, PGC 45170[1] | |
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NGC 4939 is a spiral galaxy located in the constellation Virgo. It is located at a distance of about 120 million light years from Earth, which, given its apparent dimensions, means that NGC 4939 is about 190,000 light years across. It was discovered by William Herschel on March 25, 1786.[3]
- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 4939. Retrieved 2016-01-18.
- ^ "Revised NGC Data for NGC 4939". spider.seds.org. Retrieved 25 November 2018.
- ^ Seligman, Courtney. "NGC 4939 (= PGC 45170)". Celestial Atlas. Retrieved 19 November 2018.
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