| 词条 | SXDF-NB1006-2 |
| 释义 |
| name = SXDF-NB1006-2 | image = | caption = | epoch = J2000 | ra = {{RA|02|18|56.5}} | dec = {{DEC|-05|19|58.9}} | z = 7.213 | h_radial_v = | dist_ly = 12.9 billion light-years (light travel distance) | type = | mass = | appmag_v = | size = ~40,000 ly (diameter) | size_v = 0.01 x 0.01 | constellation name = Cetus | notes = | names = SKO2012 SXDF-NB1006-2 }}SXDF-NB1006-2 is a distant galaxy located in the Cetus constellation, with a spectroscopic redshift of z = 7.213 or 12.91 billion light-years away.[1] It was discovered by the Subaru XMM-Newton Deep Survey Field.[1] The galaxy was claimed to be the most distant galaxy at announcement in June 2012, as the more distant claimants were not confirmed spectroscopically at the time. It exceeded the previous confirmed distance holder, GN-108036, also discovered by the Subaru.[2] It contains the oldest oxygen in the Universe[3] See also
References1. ^1 Thirty Meter Telescope, TMT - SXDF-NB1006-2 {{webarchive|url=https://web.archive.org/web/20130524151017/http://www.tmt.org/gallery/miscellaneous/sxdf-nb1006-2 |date=2013-05-24 }}, NAOJ (accessed 16 November 2012) {{s-start}}{{s-ach|rec}}{{s-bef|before=GN-108036}}{{s-ttl|title=Most distant galaxy|years=2012–2013}}{{s-aft|after=Z8 GND 5296}}{{s-end}}2. ^SPACE.com, "Newfound Galaxy May Be Most Distant Ever Seen", 14 June 2012 (accessed 18 December 2012) 3. ^{{Cite journal|doi=10.1126/science.aag0615|url=http://www.sciencemag.org/news/2016/06/ancient-galaxy-holds-oldest-oxygen-universe?et_rid=33785738&et_cid=567570|title=Ancient galaxy holds oldest oxygen in universe / Science / AAAS|journal=Science|date=2016-06-16|last1=Perkins|first1=Sid}} 2 : Galaxies|Cetus (constellation) |
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