Search for z ∼ 6.96 Lyα emitters with Magellan/IMACS in the cosmos field

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DOIResolve DOI: http://doi.org/10.1088/0004-637X/741/2/101
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TypeArticle
Journal titleThe Astrophysical Journal
ISSN0004-637X
Volume741
Issue2
Article number101
AbstractWe report a search for z ∼ 6.96 Lyα emitters (LAEs) using a narrowband filter, centered at 9680 Å with the Inamori-Magellan Area Camera and Spectrograph instrument on the Magellan telescope at Las Campanas Observatory. We obtain a sample of six LAE candidates of luminosity ∼10 42 erg s-1 in a total area of 465 arcmin2 corresponding to a comoving volume of ∼72,000 Mpc3. From this result, we derive a Lyα luminosity function (LF) at z ∼6.96 and compare our sample with the only z ∼6.96 LAE spectroscopically confirmed to date. We find no evolution between the z = 5.7 and z ∼7 Lyα LFs if a majority of our candidates are confirmed. Spectroscopic confirmation for this sample will enable more robust conclusions. © 2011. The American Astronomical Society. All rights reserved.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Herzberg Institute of Astrophysics (HIA-IHA)
Peer reviewedYes
NPARC number21271212
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Record identifier115ea8ca-8d9f-45b5-abc4-a8247dc8e462
Record created2014-03-24
Record modified2016-07-18
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