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NGC 5612

Coordinates: Sky map 14h 34m 01.1403s, −78° 23′ 15.202″
From Wikipedia, the free encyclopedia

NGC 5612
NGC 5612 imaged by Legacy Surveys
Observation data (J2000 epoch)
ConstellationApus
Right ascension14h 34m 01.1403s[1]
Declination−78° 23 15.202[1]
Redshift0.009003±0.000137[1]
Heliocentric radial velocity2,699±41 km/s[1]
Distance127.36 ± 14.51 Mly (39.050 ± 4.450 Mpc)[2]
Group or clusterLDC 1118[3]
Apparent magnitude (V)13.04[1]
Characteristics
TypeSAab[1]
Size~120,400 ly (36.91 kpc) (estimated)[1]
Apparent size (V)1.9′ × 1.0′[1]
Other designations
ESO 022- G 001, IRAS 14281-7809, 2MASX J14340127-7823148, PGC 52057[1]

NGC 5612 is a spiral galaxy in the constellation of Apus. Its velocity with respect to the cosmic microwave background is 2,790±42 km/s, which corresponds to a Hubble distance of 134.2 ± 9.8 Mly (41.16 ± 3.01 Mpc).[1] Additionally, two non-redshift measurements give a closer mean distance of 127.36 ± 14.51 Mly (39.050 ± 4.450 Mpc).[2] It was discovered by British astronomer John Herschel on 23 May 1835.[4]

NGC 5612 has a possible active galactic nucleus, i.e. it has a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars.[5][6]

LDC 1118 group

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NGC 5612 belongs to the 6 member galaxy group known as LDC 1118. The other galaxies in the group include IC 4522 [de], IC 4555 [de], ESO 22-10 [d], LEDA 235897 [d], and LEDA 5061296.[7][3]

Supernova

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One supernova has been observed in NGC 5612:

  • SN 2004ch (Type II, mag. 16) was discovered by the Perth Automated Supernova Search on 28 May 2004.[8][9]

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 5612". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 14 August 2026.
  2. 1 2 "Distance Results for NGC 5612". NASA/IPAC Extragalactic Database. NASA. Retrieved 14 August 2026.
  3. 1 2 "[CHM2007] LDC 1118". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 14 August 2026.
  4. Seligman, Courtney. "New General Catalogue Objects: NGC 5612". Celestial Atlas. Retrieved 14 August 2026.
  5. Asmus, D.; Greenwell, C. L.; Gandhi, P.; Boorman, P. G.; Aird, J.; Alexander, D. M.; Assef, R. J.; Baldi, R. D.; Davies, R. I.; Hönig, S. F.; Ricci, C.; Rosario, D. J.; Salvato, M.; Shankar, F.; Stern, D. (2020). "Local AGN survey (LASr): I. Galaxy sample, infrared colour selection, and predictions for AGN within 100 MPC". Monthly Notices of the Royal Astronomical Society. 494 (2): 1784. arXiv:2003.05959. Bibcode:2020MNRAS.494.1784A. doi:10.1093/mnras/staa766.
  6. "NGC 5612". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 14 August 2026.
  7. 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.
  8. Martin, R. (2004). "Supernova 2004ch in NGC 5612". International Astronomical Union Circular (8353): 1. Bibcode:2004IAUC.8353....1M.
  9. "SN 2004ch". Transient Name Server. IAU. Retrieved 14 August 2026.
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  • Wikimedia Commons logo Media related to NGC 5612 at Wikimedia Commons
  • NGC 5612 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images