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NGC 3117

Coordinates: Sky map 10h 06m 10.5137s, +02° 54′ 46.273″
From Wikipedia, the free encyclopedia

NGC 3117
NGC 3117 imaged by the Vera C. Rubin Observatory
Observation data (J2000 epoch)
ConstellationSextans
Right ascension10h 06m 10.5137s[1]
Declination+02° 54′ 46.273″[1]
Redshift0.022604±0.00000672[1]
Heliocentric radial velocity6,776±2 km/s[1]
Distance332.68 Mly (102.000 Mpc)[2]
Group or clusterLDC 701[3]
Apparent magnitude (V)14.3g[1]
Characteristics
TypeE[1]
Size~112,200 ly (34.39 kpc) (estimated)[1]
Apparent size (V)0.98′ × 0.85′[1]
Other designations
2MASX J10061053+0254467, UGC 5445, MCG +01-26-014, PGC 29340, CGCG 036-038[1]

NGC 3117 is an elliptical galaxy in the constellation of Sextans. Its velocity with respect to the cosmic microwave background is 7,127±25 km/s, which corresponds to a Hubble distance of 342.9 ± 24.0 Mly (105.12 ± 7.37 Mpc).[1] Additionally, one non-redshift measurement gives a similar distance of 332.68 Mly (102.000 Mpc).[2] It was discovered by French astronomer Édouard Stephan on 15 March 1877.[4]

LDC 701 group

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NGC 3117 is a member of a galaxy group known as LDC 701. This group contains 3 galaxies, including IC 588 [de] and Z 36-39 [d].[3][5]

See also

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References

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  1. 1 2 3 4 5 6 7 8 9 10 "Results for object NGC 3117". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 1 August 2026.
  2. 1 2 "Distance Results for NGC 3117". NASA/IPAC Extragalactic Database. NASA. Retrieved 1 August 2026.
  3. 1 2 Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal. 655 (2): 790. arXiv:astro-ph/0610732. Bibcode:2007ApJ...655..790C. doi:10.1086/510201.
  4. ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 3117". Celestial Atlas. Retrieved 1 August 2026.
  5. ↑ "[CHM2007] LDC 701". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 1 August 2026.
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  • Wikimedia Commons logo Media related to NGC 3117 at Wikimedia Commons
  • NGC 3117 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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