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NGC 6181
NGC 6181 imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Constellation	Hercules
Right ascension	16 32 20.9715
Declination	+19° 49′ 34.972″
Redshift	0.007909
Heliocentric radial velocity	2371±1 km/s
Galactocentric velocity	2415±3 km/s
Distance	116.2 ± 8.1 Mly (35.63 ± 2.49 Mpc)
Apparent magnitude (V)	10.42
Absolute magnitude (V)	-22.14
Characteristics
Type	SAB(rs)c
Size	~78,000 ly (23.93 kpc) (estimated)
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

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. The galaxy is 107 million light years away.

Supernovae

Three supernovae have been observed in NGC 6181:

• SN 1926B (type unknown, mag. 14.8) was discovered by Adriaan van Maanen on a photographic plate taken on 17 June 1926, but the discovery was not made until February 1941.
• SN 1951I (type unknown, mag. 15.7) was discovered in April 1951.
• SN 2019aai (type II, mag. 17.84) 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

References

1. ^ "Results for object NGC 6181". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 3 October 2015.
2. "NGC 6181 (= PGC 57684)". cseligman. Retrieved 3 October 2015.
3. "Revised NGC Data for NGC 6081". Seds. Retrieved 3 October 2015.
4. Transient Name Server entry for SN 1926B. Retrieved 28 March 2023.
5. Central Bureau for Astronomical Telegrams list of Supernovae. Retrieved 28 March 2023.
6. Van Maanen, A. (1941). "Supernova in NGC 6181". Publications of the Astronomical Society of the Pacific. 53 (312): 125. Bibcode:1941PASP...53..125V. doi:10.1086/125285.
7. Transient Name Server entry for SN 1951I. Retrieved 25 March 2023.
8. "SN 2019aai". Transient Name Server. IAU. Retrieved 6 September 2024.

External links

• Media related to NGC 6181 at Wikimedia Commons

v t e Constellation of Hercules
Hercules–Corona Borealis Great Wall Hercules in Chinese astronomy List of stars in Hercules
Stars	Bayer α (Rasalgethi) β (Kornephoros) γ δ (Sarin) ε ζ η θ ι κ (Marsic) λ (Maasym) μ ν ξ ο π ρ σ τ υ φ χ ψ ψ ω (Cujam) Flamsteed 14 29 (h) 30 (g) 42 45 (l) 52 60 68 (u) 69 (e) 72 (w) 89 93 98 99 (b) 102 104 (A) 106 109 110 111 112 32 Oph Variable X AC AM BL DI DQ V446 V533 V772 V777 V838 V1674 HR 6669 6697 6806 HD 146389 (Irena) 147506 (Hunor) 149026 (Ogma) 152843 154345 155358 156668 159062 164595 164922 Other BD +17° 3248 Furuhjelm 46 GD 362 Gliese 623 Gliese 638 Gliese 649 Gliese 686 GJ 3991 HAT-P-14 (Franz) HAT-P-18 HAT-P-67 Hercules X-1 GSC 02620-00648 Ross 640 TOI-2119 TrES-3 (Pipoltr) TYC 1031-1262-1 WASP-103 WISE 1738+2732 WISE 1741+2553
Exoplanets 14 Herculis b c HAT-P-14b (Sissi) HD 149026 b (Smertrios) HD 164922 b c WASP-103b
Star clusters Messier 13 Messier 92 NGC 6229 Palomar 14
Nebulae Abell 39 NGC 6210
Galaxies	NGC 6028 6039 6040 6041 6042 6043 6044 6045 6046 6047 6052 6053 6054 6055 6056 6057 6061 6078 6158 6166 6181 6207 6212 6239 6261 6263 6308 6452 6560 Other 1ES 1741+196 2MASX J16270254+4328340 3C 345 3C 346 A2261-BCG Arp 272 (NGC 6050 and IC 1179) AT2018cow IC 1182 IC 1189 Hercules Dwarf Hercules A IC 1192 IC 4617 Markarian 501 MCG+07-33-027 PGC 2046648 QSR J1819+3845 RX J1633.3+4718 UGC 11105
Galaxy clusters Abell 2152 Abell 2199 Hercules Cluster Hercules Superclusters Zwicky's Triplet
Astronomical events LBG-2377
Category

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• Barred spiral galaxies
• Hercules (constellation)
• NGC objects
• UGC objects
• Principal Galaxies Catalogue objects
• Astronomical objects discovered in 1788
• Discoveries by William Herschel
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• Spiral galaxy stubs