The [O ii] λ3727 luminosity function and star formation rate at z≈1.2 in the COSMOS 2 square degree field and the Subaru Deep Field

被引：46
作者：
Takahashi, M. I.
Shioya, Y.
Taniguchi, Y.
Murayama, T.
Ajiki, M.
Sasaki, S. S.
Koizumi, O.
Nagao, T.
Scoville, N. Z.
Mobasher, B.
Aussel, H.
Capak, P.
Carilli, C.
Ellis, R. S.
Garilli, B.
Giavalisco, M.
Guzzo, L.
Hasinger, G.
Impey, C.
Kitzbichler, M. G.
Koekemoer, A.
Le Fevre, O.
Lilly, S. J.
Maccagni, D.
Renzini, A.
Rich, M.
Sanders, D. B.
Schinnerer, E.
Scodeggio, M.
Shopbell, P.
Smolcic, V.
Tribiano, S.
Ideue, Y.
Mihara, S.
机构：
[1] Ehime Univ, Grad Sch Sci, Dept Phys, Matsuyama, Ehime 790, Japan
[2] Natl Astron Observ, Mitaka, Tokyo 181, Japan
[3] Osserv Astrofis Arcetri, INAF, Florence 50125, Italy
[4] CALTECH, Pasadena, CA 91125 USA
[5] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA
[6] Space Telescope Sci Inst, Baltimore, MD 21218 USA
[7] CEA Saclay, Serv Astrophys, F-91191 Gif Sur Yvette, France
[8] Natl Radio Astron Observ, Socorro, NM 87801 USA
[9] CNR, Inst Astrophys Spaziale Fis Cosmica Milano, I-20133 Milan, Italy
[10] Osserv Astron Brera, Milan, Italy
[11] Max Planck Inst Extraterr Phys, D-37075 Garching, Germany
来源：
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2007年 / 172卷 / 01期
关键词：
galaxies : distances and redshifts; galaxies : evolution; galaxies : luminosity function; mass function;
D O I：
10.1086/518037
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have carried out a wide-field imaging survey for [O II] lambda 3727 emitting galaxies at z approximate to 1: 2 in the HST COSMOS 2 square degree field using the Suprime-Cam on the Subaru Telescope. The survey covers a sky area of 6700 arcmin(2) in the COSMOS field, and a redshift range between 1.17 and 1.20 ( Delta z 0: 03), corresponding to a survey volume of 5: 56; 105 Mpc(3). We obtain a sample of 3176 [O II] emitting galaxies with observed emission-line equivalent widths greater than 268. Since our survey tends to sample brighter [O II] emitting galaxies, we also analyze a sample of fainter [O II] emitting galaxies found in the Subaru Deep Field (SDF). We find an extinction-corrected [ O II] luminosity density of 10(- 0: 06)(40: 35+0: 08) ergs s (-1) Mpc (-3), corresponding to star formation rate density of 0: 32(- 0: 04)(+0: 06) M-circle dot yr(-1) Mpc(-3) in the COSMOS field at z approximate to 1: 2. This is the largest survey for [O II] emitters beyond z 1 currently available.
引用
收藏
页码：456 / 467
页数：12
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