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NGC 1892

From Wikipedia, the free encyclopedia
Spiral galaxy in the constellation Dorado
NGC 1892
NGC 1892 imaged by theHubble Space Telescope
Observation data (2000.0epoch)
ConstellationDorado
Right ascension05h 17m 9.0s[1]
Declination−64° 57′ 35″[1]
Redshift0.004546[1]
Heliocentric radial velocity1363km/s[1]
Distance51 Mly (15.5 Mpc)[2]
Apparent magnitude (V)12.83[1][3]
Absolute magnitude (B)−16.4[2]
Characteristics
TypeScd[2]
Mass4×109 (Stellar mass)[2] M
Size~63,200 ly (19.37 kpc) (estimated)[1]
Apparent size (V)2.9' × 0.8'[1][3]
Other designations
MCG+03-01-030,2MFGC 4320,2MASX J05170905-6457354,IRAS 05169-6500, PGC 17042[4]

NGC 1892 is aspiral galaxy located approximately 51 millionlight-years away[5] the constellationDorado. It was discovered November 30, 1834 byJohn Herschel.[3] NGC 1892 is a member of theNGC 1947 Group[6][7][8] which is part of theSouthern Supercluster.[7]

NGC 1892, despite being a spiral galaxy, has a centralbulge which is morphologically more similar todwarf irregular galaxies. The galaxy's central bulge which is highly irregular, is obscured by a dust lane.[9] NGC 1892 is also host to anuclear star cluster[10] with an estimated mass of 7.381 × 106M,[11] and asupermassive black hole with an estimated mass 4.7 × 106M.[12]

A probablesupernova of typeIIP was photographed by theCarnegie-Irvine Galaxy Survey (CGS) in 2004,[13] but it was not noticed until Brazilian amateur astronomer Jorge Stockler de Moraes compared the CGS image to one he took in January 2017.[5]

See also

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References

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  1. ^abcdefg"NED results for object NGC 1892".NASA/IPAC EXTRAGALACTIC DATABASE. Caltech. Retrieved29 September 2018.
  2. ^abcdGuillochon, James; Stockler de Moraes, Jorge; Nicholl, Matt; Patnaude, Daniel J; Auchetti, Katie; Barth, Aaron J; Ho, Luis C; Li, Zhao-Yu; Carnegie-Irvine Galaxy Survey (2018)."Serendipitous Discovery of a 14 year old Supernova at 16 Mpc".Research Notes of the AAS.2 (3): 165.arXiv:1809.00163.Bibcode:2018RNAAS...2..165G.doi:10.3847/2515-5172/aade89.S2CID 119431988.
  3. ^abcSeligman, Courtney."Celestial Atlas NGC Objects 1850-1899".cseligman.com. Retrieved29 September 2018.
  4. ^"NGC 1892".SIMBAD. Retrieved29 September 2018.
  5. ^abKohler, Susanna (2018)."Surprise Discovery of a 14-Year-Old Supernova".Aas Nova Highlights: 4028.Bibcode:2018nova.pres.4028K. Retrieved29 September 2018.
  6. ^Tully, R. Brent (1988).Nearby galaxies catalog (1. publ ed.). Cambridge: Cambridge University Press.ISBN 978-0-521-35299-4.
  7. ^abFouque, P.; Gourgoulhon, E.; Chamaraux, P.; Paturel, G. (1992-05-01)."Groups of galaxies within 80 Mpc. II. The catalogue of groups and group members".Astronomy and Astrophysics Supplement Series.93:211–233.Bibcode:1992A&AS...93..211F.ISSN 0365-0138.
  8. ^Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando (2000-11-01)."Nearby Optical Galaxies: Selection of the Sample and Identification of Groups".The Astrophysical Journal.543 (1):178–194.arXiv:astro-ph/0001140.Bibcode:2000ApJ...543..178G.doi:10.1086/317070.ISSN 0004-637X.
  9. ^Carollo, C. M.; Stiavelli, M.; de Zeeuw, P. T.; Mack, J. (1997-12-01)."Spiral Galaxies with WFPC2.I.Nuclear Morphology, Bulges, Star Clusters, and Surface Brightness Profiles".The Astronomical Journal.114: 2366.Bibcode:1997AJ....114.2366C.doi:10.1086/118654.ISSN 0004-6256.
  10. ^Georgiev, Iskren Y.; Böker, Torsten (2014-07-11)."Nuclear star clusters in 228 spiral galaxies in the HST/WFPC2 archive: catalogue and comparison to other stellar systems".Monthly Notices of the Royal Astronomical Society.441 (4):3570–3590.arXiv:1404.5956.doi:10.1093/mnras/stu797.ISSN 1365-2966.
  11. ^Georgiev, Iskren Y.; Böker, Torsten; Leigh, Nathan; Lützgendorf, Nora; Neumayer, Nadine (2016-04-01)."Masses and scaling relations for nuclear star clusters, and their co-existence with central black holes".Monthly Notices of the Royal Astronomical Society.457 (2):2122–2138.arXiv:1601.02613.Bibcode:2016MNRAS.457.2122G.doi:10.1093/mnras/stw093.ISSN 0035-8711.
  12. ^Arzoumanian, Zaven; Baker, Paul T.; Brazier, Adam; Brook, Paul R.; Burke-Spolaor, Sarah; Becsy, Bence; Charisi, Maria; Chatterjee, Shami; Cordes, James M.; Cornish, Neil J.; Crawford, Fronefield; Cromartie, H. Thankful; Decesar, Megan E.; Demorest, Paul B.; Dolch, Timothy (2021-06-01)."The NANOGrav 11 yr Data Set: Limits on Supermassive Black Hole Binaries in Galaxies within 500 Mpc".The Astrophysical Journal.914 (2): 121.arXiv:2101.02716.Bibcode:2021ApJ...914..121A.doi:10.3847/1538-4357/abfcd3.ISSN 0004-637X.
  13. ^"NGC 1892".The Carnegie-Irvine Galaxy Survey (CGS). Retrieved29 September 2018.

External links

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  • Media related toNGC 1892 at Wikimedia Commons
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