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NGC 2552

From Wikipedia, the free encyclopedia

NGC 2552
SDSS image of NGC 2552
Observation data (J2000 epoch)
ConstellationLynx
Right ascension08h 19m 19.58s[1]
Declination50° 00′ 20.8″
Distance22 Mly (6.7 Mpc)[2]
Characteristics
TypeSA(s)m[2]
Other designations
UGC 4325,[2] PGC 23340

NGC 2552 is a Magellanic spiral galaxy located some 22[2] million light years away. It can be found in constellation of Lynx. This is a type of unbarred dwarf galaxy, usually with a single spiral arm. It is inclined by 41° to the line of sight from the Earth along a position angle of 229°.[2] The measured velocity dispersion of the stars in NGC 2552 is relatively low—a mere 19 ± 2 km/s.[3] This galaxy forms part of a loose triplet that includes NGC 2541 and NGC 2500, which together belong to the NGC 2841 group.[4]

References

  1. ^ Adelman-McCarthy, J. K.; et al. (March 2007), "The SDSS Photometric Catalog, Release 5", VizieR On-line Data Catalog: II/276, Bibcode:2007yCat.2276....0A.
  2. ^ a b c d e Garrido, O.; et al. (June 2002), "GHASP: An Hα kinematic survey of spiral and irregular galaxies. I. Velocity fields and rotation curves of 23 galaxies", Astronomy & Astrophysics, 387 (3): 821–829, arXiv:1304.4176, Bibcode:2002A&A...387..821G, doi:10.1051/0004-6361:20020479, S2CID 122952094.
  3. ^ Hunter, Deidre A.; et al. (November 2002), "The Stellar and Gas Kinematics of Several Irregular Galaxies", Astronomy & Astrophysics, 580 (1): 194–212, arXiv:astro-ph/0207510, Bibcode:2002ApJ...580..194H, doi:10.1086/343080, S2CID 17572211.
  4. ^ Ferrarese, Laura; et al. (May 29, 1998), "The HST Key Project on the Extragalactic Distance Scale XII. The Discovery of Cepheids and a New Distance to NGC 2541", The Astrophysical Journal, 507 (2): 655–690, arXiv:astro-ph/9805365, Bibcode:1998ApJ...507..655F, doi:10.1086/306364, S2CID 204935980.

External links


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This page was last edited on 18 January 2024, at 17:51
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