NGC 823, also known as IC 1782, is an unbarred lenticular galaxy in the constellation Fornax.[4] It is estimated to be 194 million light-years from the Milky Way and has a diameter of approximately 100,000 light years. NGC 823 was discovered on October 14, 1830, by astronomer John Herschel.[6][5]

SN 2022abid (ZTF22abyelas) a Type Ia supernova from an exploding white dwarf was discovered on 23 November 2022.[7]

Central region of NGC 823 with legacy surveys

See also

References

  1. ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
  2. ^ a b c d "NGC 823". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-02.
  3. ^ 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): 790–813. arXiv:astro-ph/0610732. Bibcode:2007ApJ...655..790C. doi:10.1086/510201. S2CID 11672751.
  4. ^ a b "Results for object NGC 0823 (NGC 823)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-02.
  5. ^ a b Seligman, Courtney. "New General Catalogue objects: NGC 800 - 849". cseligman.com. Retrieved 2021-02-02.
  6. ^ Ford, Dominic. "The galaxy NGC 823 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-28.
  7. ^ SN 2022abid (ZTF22abyelas)


Allikas: https://en.wikipedia.org/wiki/NGC_823
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