IC 64 is a massive lenticular galaxy located 622 million light-years away in the Pisces constellation.[1][2][3] IC 64 has a diameter of 300,000 light-years, making it, three times bigger than the Milky Way and one of the largest galaxies observed.[4] IC 64 was discovered by French astronomer Stephane Javelle on 5 December 1893.[4] It has an active galactic nucleus,[1][5] and is an emission line galaxy.[6][7]

References

  1. ^ a b "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-04-19.
  2. ^ "IC 64 - Lenticular Galaxy in Pisces | TheSkyLive.com". theskylive.com. Retrieved 2024-04-19.
  3. ^ Astronomy, Go. "IC 64 | galaxy in Pisces | IC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-04-19.
  4. ^ a b "Index Catalog Objects: IC 50 - 99". cseligman.com. Retrieved 2024-04-19.
  5. ^ Zaw, Ingyin; Chen, Yan-Ping; Farrar, Glennys R. (2019-02-01). "A Uniformly Selected, All-sky, Optical AGN Catalog". The Astrophysical Journal. 872 (2): 134. arXiv:1902.03799. Bibcode:2019ApJ...872..134Z. doi:10.3847/1538-4357/aaffaf. ISSN 0004-637X.
  6. ^ Caccianiga, A.; Maccacaro, T.; Wolter, A.; Della Ceca, R.; Gioia, I. M. (2000-06-01). "Emission line AGNs from the REX survey. Results from optical spectroscopy". Astronomy and Astrophysics Supplement Series. 144: 247–269. arXiv:astro-ph/0004038. Bibcode:2000A&AS..144..247C. doi:10.1051/aas:2000344. ISSN 0365-0138.
  7. ^ Marziani, P.; D’Onofrio, M.; Bettoni, D.; Poggianti, B. M.; Moretti, A.; Fasano, G.; Fritz, J.; Cava, A.; Varela, J.; Omizzolo, A. (2017-03-01). "Emission line galaxies and active galactic nuclei in WINGS clusters". Astronomy & Astrophysics. 599: A83. arXiv:1608.07924. Bibcode:2017A&A...599A..83M. doi:10.1051/0004-6361/201628941. ISSN 0004-6361.
Allikas: https://en.wikipedia.org/wiki/IC_64
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