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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 358643.0, MPI für Astronomie / Publikationen_mpia
Lya emitters at redshift 5.7 in the COSMOS field
Authors:Murayama, T.; Taniguchi, Y.; Scoville, N. Z.; Ajiki, M.; Sanders, D. B.; Mobasher, B.; Aussel, H.; Capak, P.; Koekemoer, A.; Shioya, Y.; Nagao, T.; Carilli, C.; Ellis, R. S.; Garilli, B.; Giavalisco, M.; Kitzbichler, M. G.; Le Fèvre, O.; Maccagni, D.; Schinnerer, E.; Smolcic, V.; Tribiano, S.; Cimatti, A.; Komiyama, Y.; Miyazaki, S.; Sasaki, S. S.; Koda, J.; Karoji, H.
Date of Publication (YYYY-MM-DD):2007
Title of Journal:The Astrophysical Journal Supplement Series
Start Page:523
End Page:544
Audience:Not Specified
Abstract / Description:We present results from a narrowband optical survey of a contiguous area of 1.95 deg2, covered by the Cosmic Evolution Survey (COSMOS). Both optical narrowband (lambdac=8150 Å and Deltalambda=120 Å) and broadband (B , V, g', r', i', and z') imaging observations were performed with the Subaru prime-focus camera, Suprime-Cam on the Subaru Telescope. We provide the largest contiguous narrowband survey, targeting Lyalpha emitters (LAEs) at z~5.7. We find a total of 119 LAE candidates at z~5.7. Over the wide-area covered by this survey, we find no strong evidence for large-scale clustering of LAEs. We estimate a star formation rate (SFR) density of ~7×10-4 Msolar yr-1 Mpc-3 for LAEs at z~5.7 and compare it with previous measurements. Based on data collected at the Subaru Telescope, which is operated by the National Astronomical Observatory of Japan.
Free Keywords:Cosmology: Observations; Cosmology: Early Universe; Galaxies: Evolution; Galaxies: Formation
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
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