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NGC 5514

From Wikipedia, the free encyclopedia

NGC 5514
SDSS image of NGC 5514
Observation data (J2000 epoch)
ConstellationBoötes
Right ascension14h 13m 38.690s[1]
Declination+07° 39′ 37.35″[1]
Heliocentric radial velocity7,300 km/s[2]
Distance346.8 Mly (106.33 Mpc)[2]
Apparent magnitude (B)14.2[3]
Notable featuresInteracting galaxies, infrared bright[4]
Other designations
NGC 5514, UGC 9102, PGC 50809/93124[5]

NGC 5514 is a pair of merging disk galaxies in the northern constellation of Boötes. They were discovered by German astronomer Heinrich d'Arrest on April 26, 1865.[6] The galaxies are located at an estimated distance of 347 million light-years.[2] The morphology of the system is similar to the Antennae Galaxies, NGC 4038/NGC 4039. A distinct tail extends to the east for an angular distance of 1.5′. There is a fainter tail extending a comparable distance to the west.[3] This galaxy pair likely forms a small group with the nearby spiral galaxy NGC 5519.[4]

This appears to be a collision between two galaxies of unequal mass, having a 2:1 mass ratio. They display activity of the LINER type, but this is located in two regions in the outer parts away from the combined nucleus.[3] These may be large shock regions caused by the collision. There are two corresponding starburst regions, one of which has outflows that have created a supergiant galactic bubble.[4]

References

  1. ^ a b Skrutskie, Michael F.; et al. (1 February 2006), "The Two Micron All Sky Survey (2MASS)", The Astronomical Journal, 131 (2): 1163–1183, Bibcode:2006AJ....131.1163S, doi:10.1086/498708, ISSN 0004-6256, S2CID 18913331.
  2. ^ a b c Crook, Aidan C.; et al. (February 2007), "Groups of Galaxies in the Two Micron All Sky Redshift Survey", The Astrophysical Journal, 655 (2): 790–813, arXiv:astro-ph/0610732, Bibcode:2007ApJ...655..790C, doi:10.1086/510201, S2CID 11672751.
  3. ^ a b c Fried, J. W.; Lutz, D. (May 1988), "The interacting galaxy NGC 5514 : a system with off-nuclear activity", Astronomy and Astrophysics, 197: 52–58, Bibcode:1988A&A...197...52F.
  4. ^ a b c Lípari, S.; et al. (December 2004), "Infrared mergers and infrared quasi-stellar objects with galactic winds - II. NGC5514: two extranuclear starbursts with LINER properties and a supergiant bubble in the rupture phase", Monthly Notices of the Royal Astronomical Society, 355 (3): 641–681, arXiv:astro-ph/0406515, Bibcode:2004MNRAS.355..641L, doi:10.1111/j.1365-2966.2004.08368.x.
  5. ^ "NGC 5514", SIMBAD, Centre de données astronomiques de Strasbourg, retrieved 2023-11-21.
  6. ^ Seligman, Courtney, "NGC 5514 (= PGC 50809)", Celestial Atlas, retrieved 2023-11-22.
This page was last edited on 26 November 2023, at 05:17
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