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  2. World Encyclopedia
  3. NGC 7637 - Wikipedia
NGC 7637 - Wikipedia
Coordinates: Sky map 23h 26m 27.6374s, −81° 54′ 41.516″
From Wikipedia, the free encyclopedia

NGC 7637
NGC 7637 imaged by Legacy Surveys
Observation data (J2000 epoch)
ConstellationOctans
Right ascension23h 26m 27.6374s[1]
Declination−81° 54′ 41.516″[1]
Redshift0.012402[1]
Heliocentric radial velocity3718 ± 3 km/s[1]
Distance178.5 ± 12.5 Mly (54.73 ± 3.83 Mpc)[1]
Apparent magnitude (V)13[1]
Characteristics
TypeSA(r)c[1]
Size~162,500 ly (49.83 kpc) (estimated)[1]
Apparent size (V)2.1′ × 1.9′[1]
Other designations
ESO 012- G 001, IRAS 23226-8211, 2MASX J23262765-8154417, PGC 71440[1]

NGC 7637 is a spiral galaxy in the constellation of Octans. Its velocity with respect to the cosmic microwave background is 3711 ± 3 km/s, which corresponds to a Hubble distance of 178.5 ± 12.5 Mly (54.73 ± 3.83 Mpc).[1] It was discovered by British astronomer John Herschel on 17 October 1835.[2]

Supernovae

Three supernovae have been observed in NGC 7637:

See also

References

  1. ^ a b c d e f g h i j k "Results for object NGC 7637". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 December 2024.
  2. ^ Seligman, Courtney. "New General Catalogue Objects: NGC 7637". Celestial Atlas. Retrieved 18 December 2024.
  3. ^ McNaught, R. H.; Parker, Q. A.; Della Valle, M.; Gilmozzi, R. (1992). "Supernova 1992ao in NGC 7637". International Astronomical Union Circular (5573): 1. Bibcode:1992IAUC.5573....1M.
  4. ^ "SN 1992ao". Transient Name Server. IAU. Retrieved 18 December 2024.
  5. ^ Dennefeld, M.; Rajoelimanana, A.; Vaisanen, P.; Worters, H.; Tekola, A.; Uba, I.; Owayesy, F.; Tumwine, C.; Christopher, E.; Simpemba, P.; Catala, L.; Madhanpall, N.; Makhatini, S.; Mguda, Z.; Ramphul, R.; Skelton, P.; Viljoen, D.; Wilson, S. (2012). "Supernova 2012ah in NGC 7637 = PSN J23255963-8154333". Central Bureau Electronic Telegrams (3028): 1. Bibcode:2012CBET.3028....1D.
  6. ^ "SN 2012ah". Transient Name Server. IAU. Retrieved 18 December 2024.
  7. ^ "SN 2022iwt". Transient Name Server. IAU. Retrieved 18 December 2024.
  • Media related to NGC 7637 at Wikimedia Commons
  • NGC 7637 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Sunting pranala
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