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 (λc=8150 Å and Δλ=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 Lyα 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.
T. Murayama, Y. Taniguchi, N. Z. Scoville, M. Ajiki, D. B. Sanders, B. Mobasher, et al. (2007). Lyman Alpha Emitters at Redshift 5.7 in the COSMOS Field. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 172, 523-544 [10.1086/516597].
Lyman Alpha Emitters at Redshift 5.7 in the COSMOS Field
CIMATTI, ANDREA;
2007
Abstract
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 (λc=8150 Å and Δλ=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 Lyα 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.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
