The Cosmic Evolution Survey (COSMOS): Subaru Observations of the HST COSMOS Field
Y. Taniguchi, N. Scoville, T. Murayama, D. B. Sanders, B. Mobasher, H. Aussel, P. Capak, M. Ajiki, S. Miyazaki, Y. Komiyama, Y. Shioya, T. Nagao, S. S. Sasaki, J. Koda, C. Carilli, M. Giavalisco, L. Guzzo, G. Hasinger, C. Impey, O. LeFevre, S. Lilly, A. Renzini, M. Rich, E. Schinnerer, P. Shopbell, N. Kaifu, H. Karoji, N. Arimoto, S. Okamura, K. Ohta
Abstract
We present deep optical imaging observations of 2 square degree area, covered by the Cosmic Evolution Survey (COSMOS), made by the prime-focus Camera (Supreme-Cam) on the 8.2m Subaru Telescope. Observations were done in six broad-band [B (4459.7 AA), g' (4723.1 AA), V (5483.8 AA), r' (6213.0 AA), i' (7640.8 AA), z' (8855.0 AA)], and one narrow-band (NB816) filters. A total of 106 galaxies were detected to i'~26.5 mag. These data, combined with observations at u* and K-band are used to construct the photometric catalogs for the COSMOS and to measure their photometric redshifts, multi-band spectral energy distributions, stellar masses and identification of high redshift candidates. This catalog provides multi-waveband data for scientific analysis of the COSMOS survey.
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