JKCS 041
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JKCS 041 is a group of galaxies with the distinction of being the farthest away group from Earth ever observed, as of 2009. It is estimated to be 10.2 billion light years away,[1] seen at redshift 1.9.[2] The cluster is located in the constellation Cetus at a photometrically determined redshift of z=1.9 at right ascension 2h 26m 44s declination -04° 41′ 37″ (J2000.0).[3]
[edit] See also
[edit] References
- ^ "'Most distant' galaxy group spied". BBC News. 2009-10-22. http://news.bbc.co.uk/1/hi/england/bristol/8320570.stm. Retrieved 2009-10-28.
- ^ "JKCS041: The Farthest Galaxy Cluster Yet Measured". Astronomy Picture of the Day. NASA. 2009-10-28. http://apod.nasa.gov/apod/ap091028.html. Retrieved 2009-10-28.
- ^ Andreon S, Maughan B, Trinchieri G, Kurk J (November 2009). "JKCS 041: a colour-detected galaxy cluster at zphot~1.9 with deep potential well as confirmed by X-ray data". Astronomy & Astrophysics 507 (1): 147–157. Bibcode 2009A&A...507..147A. doi:10.1051/0004-6361/200912299.
