NGC 7003 explained

NGC 7003
Epoch:J2000
Type:Sbc
Dist Ly:68.2Mpc
Z:0.017689
H Radial V:5303 km/s
Appmag V:13.76
Size V:1.1 × 0.8
Constellation Name:Delphinus
Size:~26.25kpc (estimated)

NGC 7003 is a spiral galaxy around 220 million light-years from Earth in the constellation Delphinus.[1] [2] NGC 7003 has an estimated diameter of 85,000 light-years. The galaxy was discovered by German astronomer Heinrich Louis d'Arrest on August 26, 1864.[3]

One supernova has been observed in NGC 7003: on May 12, 2011, SN 2011dk (type II, mag. 16.5) was discovered.[4] [5] [6] [7]

The redshift of NGC 7003 places it in a filamentary ridge in the Perseus–Pisces Supercluster.[8] The galaxy is host to a supermassive black hole with an estimated mass of 3.9 × 107 M☉.[9]

See also

Notes and References

  1. Web site: Galaxy NGC 7003 Deep Sky Objects Browser. Rojas. Sebastián García. DSO Browser. 2017-04-15. 2017-05-24. https://web.archive.org/web/20170524043720/https://dso-browser.com/deep-sky/8190/ngc-7003/galaxy. dead.
  2. Web site: Your NED Search Results. ned.ipac.caltech.edu. 2017-04-16.
  3. Web site: New General Catalog Objects: NGC 7000 – 7049. cseligman.com. 2017-04-15.
  4. Web site: Transient Name Server . SN 2011dk . . 20 August 2024.
  5. Web site: Bright Supernovae - 2011.. rochesterastronomy.org. 2017-06-20.
  6. Web site: 2011dk - The Open Supernova Catalog. sne.space. en-US. 2017-06-20. 2017-10-14. https://web.archive.org/web/20171014182823/https://sne.space/sne/2011dk/. dead.
  7. Web site: SUPERNOVA 2011dk IN NGC 7003 = PSN J21004220+1748220. M. Giovannini, E. Mazzoni, G. Petroni, and M. Rossi, Borgo a Mozzano, Fabrizio Ciabattari, S. Donati. 10 June 2011. SUPERNOVA 2011dk IN NGC 7003 = PSN J21004220+1748220. 2017-06-19.
  8. Giovanelli . Riccardo . Haynes . Martha P. . 1993-04-01 . A Survey of the Pisces-Perseus Supercluster. VI. The Declination Zone +15.5 degrees to n+21.5 degrees . The Astronomical Journal . 105 . 1271 . 10.1086/116508 . 1993AJ....105.1271G . 0004-6256.
  9. 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 . 10.3847/1538-4357/abfcd3 . free . 2101.02716 . 2021ApJ...914..121A . 0004-637X.

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