JKCS 041 explained

JKCS 041 is a cluster of galaxies with the distinction, as of 2009, of being the farthest galaxy cluster observed from Earth.[1] It is estimated to be 10.2 billion light-years away, 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 declination (J2000.0).[3] There are at least 19 members in the cluster.[4]

See also

Notes and References

  1. News: . 'Most distant' galaxy group spied . 22 October 2009 . 2009-10-28.
  2. JKCS041: The Farthest Galaxy Cluster Yet Measured . 28 October 2009 . 2009-10-28.
  3. JKCS 041: a colour-detected galaxy cluster at zphot~1.9 with deep potential well as confirmed by X-ray data . Andreon S, Maughan B, Trinchieri G, Kurk J . Astronomy & Astrophysics . 507 . 1 . November 2009 . 147–157 . 10.1051/0004-6361/200912299 . 2009A&A...507..147A. 0812.1699 . 17106494 .
  4. News: Very distant galaxy cluster confirmed . Carnegie Institution . 21 May 2014 . .

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