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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 358557.0, MPI für Astronomie / Publikationen_mpia
The [O II] l3727 luminosity function and star formation rate at z~1.2 in the COSMOS 2 square degree field and the Subaru deep field
Authors: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 Fèvre, 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.
Date of Publication (YYYY-MM-DD):2007
Title of Journal:The Astrophysical Journal Supplement Series
Volume:172
Start Page:456
End Page:467
Audience:Not Specified
Abstract / Description:We have carried out a wide-field imaging survey for [O II] lambda3727 emitting galaxies at z~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 (Deltaz=0.03), corresponding to a survey volume of 5.56×105 Mpc3. We obtain a sample of 3176 [O II] emitting galaxies with observed emission-line equivalent widths greater than 26 Å. 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 1040.35+0.08-0.06 ergs s-1 Mpc-3, corresponding to star formation rate density of 0.32+0.06-0.04 Msolar yr-1 Mpc-3 in the COSMOS field at z~1.2. This is the largest survey for [O II] emitters beyond z=1 currently available. Based on data collected at Subaru Telescope, which is operated by the National Astronomical Observatory of Japan.
Free Keywords:Galaxies: Distances and Redshifts; Galaxies: Evolution; Galaxies: Luminosity Function; Mass Function
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://adsabs.harvard.edu/abs/2007ApJS..172..456T
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