NGC 6239
NGC 6239 is a barred spiral galaxy located in the constellation Hercules with a distinct core. It is designated as SB(s)B in the galaxy morphological classification scheme and was discovered by the German-born British astronomer William Herschel on 12 April 1788. The galaxy is approximately 42 million light years away from Earth.[1][2][3][4]
| NGC 6239 | |
|---|---|
 NGC 6239 as seen through the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Hercules |
| Right ascension | 16h 50m 5s |
| Declination | +42° 44′ 23″ |
| Redshift | 0.003079±0.000009 |
| Helio radial velocity | 923±3 km/s |
| Galactocentric velocity | 1095±7 km/s |
| Distance (comoving) | 13 million parsecs |
| Distance | 42.4 million light years |
| Apparent magnitude (V) | 11.27 |
| Absolute magnitude (V) | -20.54 |
| Characteristics | |
| Type | SB(s)B |
| Size | 30,000 light years |
| Apparent size (V) | 2.40′ × 1.1′ |
| Other designations | |
| UGC 10577, MCG 7-35-1, ZWG 225.2, PGC 59083, IRAS 16484+4249 | |
References: NASA/IPAC extragalactic datatbase, http://spider.seds.org/ | |
References
- "Object No. 1 - NGC 6239". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 3 October 2015.
- "Revised NGC Data for NGC 6239". Seds. Retrieved 3 October 2015.
- "NGC 6239 (= PGC 57684)". cseligman. Retrieved 3 October 2015.
- "SIMBAD query result". simbad.u-strasbg.fr. Retrieved 2018-09-17.
External links
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