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NGC 6181

Coordinates:Sky map16h 32m 20.9715s, +19° 49′ 34.972″
From Wikipedia, the free encyclopedia
Galaxy in the constellation Hercules
NGC 6181
NGC 6181 imaged by theHubble Space Telescope
Observation data (J2000epoch)
ConstellationHercules
Right ascension16h 32m 20.9715s[1]
Declination+19° 49′ 34.972″[1]
Redshift0.007909[1]
Heliocentric radial velocity2371±1 km/s[1]
Galactocentric velocity2415±3 km/s[1]
Distance116.2 ± 8.1 Mly (35.63 ± 2.49 Mpc)[1]
Apparent magnitude (V)10.42
Absolute magnitude (V)-22.14
Characteristics
TypeSAB(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

NGC 6181 is abarred spiral galaxy located in the constellationHercules. It is designated as SB(rs)c in thegalaxy morphological classification scheme and was discovered byWilliam Herschel on 28 April 1788.[2] The galaxy is 107 millionlight years away.[1][3]

Supernovae

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Threesupernovae have been observed in NGC 6181:

  • SN 1926B (type unknown, mag. 14.8)[4][5] was discovered byAdriaan 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 theZwicky Transient Facility on 20 January 2019.

See also

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Gallery

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References

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  1. ^abcdefghi"Results for object NGC 6181".NASA/IPAC extragalactic database. NASA/IPAC. Retrieved3 October 2015.
  2. ^"NGC 6181 (= PGC 57684)".cseligman. Retrieved3 October 2015.
  3. ^"Revised NGC Data for NGC 6081".Seds. Retrieved3 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. Retrieved6 September 2024.

External links

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  • Media related toNGC 6181 at Wikimedia Commons
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