NGC 6181

NGC 6181 is a barred spiral galaxy located in the constellation Hercules. It is designated as SB(rs)c in the galaxy morphological classification scheme and was discovered by William Herschel on 28 April 1788.^[2] The galaxy is 107 million light years away.^[1][3]

NGC 6181
NGC 6181 imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Constellation	Hercules
Right ascension	16h 32m 20.9715s[1]
Declination	+19° 49′ 34.972″[1]
Redshift	0.007909[1]
Heliocentric radial velocity	2371±1 km/s[1]
Galactocentric velocity	2415±3 km/s[1]
Distance	116.2 ± 8.1 Mly (35.63 ± 2.49 Mpc)[1]
Apparent magnitude (V)	10.42
Absolute magnitude (V)	-22.14
Characteristics
Type	SAB(rs)c[1]
Size	~78,000 ly (23.93 kpc) (estimated)[1]
Apparent size (V)	2.50′ × 1.1′
Other designations
IRAS 16301+1955, UGC 10439, MCG +03-42-020, PGC 58470, CGCG 109-031
References: NASA/IPAC extragalactic datatbase, http://spider.seds.org/, http://cseligman.com

Supernovae

Three supernovae have been observed in NGC 6181:

• SN 1926B (type unknown, mag. 14.8)^[4][5] was discovered by Adriaan van Maanen on a photographic plate taken on 17 June 1926, but the discovery was not made until February 1941.^[6]
• SN 1951I (type unknown, mag. 15.7)^[7] was discovered in April 1951.
• SN 2019aai (Type II, mag. 17.84)^[8] was discovered by the Zwicky Transient Facility on 20 January 2019.

See also

• List of NGC objects (6001–7000)

Gallery

• 
  NGC 6181 by the Sloan Digital Sky Survey