NGC 6239

NGC 6239
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
Heliocentric radial velocity	923±3 km/s
Galactocentric velocity	1095±7 km/s
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/

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]

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.

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