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SXDF-NB1006-2

From Wikipedia, the free encyclopedia
Galaxy in the constellation Cetus
SXDF-NB1006-2
Image of SXDF-NB1006-2 taken by Subaru XMM-Newton Deep Survey Field.
Observation data (J2000epoch)
ConstellationCetus
Right ascension02h 18m 56.5s
Declination−05° 19′ 58.9″
Redshift7.2120±0.0003[1]
Distance12.9billionlight-years
(light travel distance)
29billionlight-years
(proper distance)
Other designations
SKO2012 SXDF-NB1006-2

SXDF-NB1006-2 is a distantgalaxy located in theCetus constellation, with a spectroscopicredshift ofz = 7.213 or 12.91 billion light-years away.[2] It was discovered by theSubaru XMM-Newton Deep Survey Field.[2] 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.[3] Oxygen emission lines have been detected in its spectrum.[4]

See also

[edit]

References

[edit]
  1. ^Inoue, Akio K.; et al. (June 2016)."Detection of an oxygen emission line from a high redshift galaxy in the reionization epoch"(PDF).Science.352 (6293):1559–1562.arXiv:1606.04989.Bibcode:2016Sci...352.1559I.doi:10.1126/science.aaf0714.PMID 27312046.S2CID 206646433.
  2. ^abThirty Meter Telescope,TMT - SXDF-NB1006-2Archived 2013-05-24 at theWayback Machine, NAOJ (accessed 16 November 2012)
  3. ^SPACE.com,"Newfound Galaxy May Be Most Distant Ever Seen", 14 June 2012 (accessed 18 December 2012)
  4. ^Perkins, Sid (2016-06-16)."Ancient galaxy holds oldest oxygen in universe / Science / AAAS".Science.doi:10.1126/science.aag0615.
Records
Preceded byMost distant galaxy
2012–2013
Succeeded by
Stars
Bayer
Flamsteed
Variable
HR
HD
Other
Exoplanets
Star clusters
Nebulae
Galaxies
Messier
NGC
Other
Galaxy clusters
Astronomical events


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