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

M. I. Takahashi; Y. Shioya; Y. Taniguchi; T. Murayama; M. Ajiki; S. S. Sasaki; O. Koizumi; T. Nagao; N. Z. Scoville; B. Mobasher; H. Aussel; P. Capak; C. Carilli; R. S. Ellis; B. Garilli; M. Giavalisco; L. Guzzo; G. Hasinger; C. Impey; M. G. Kitzbichler; A. Koekemoer; O. Le Fèvre; S. J. Lilly; D. Maccagni; A. Renzini; M. Rich; D. B. Sanders; E. Schinnerer; M. Scodeggio; P. Shopbell; V. Smolčić; S. Tribiano; Y. Ideue; S. Mihara

doi:10.1086/518037

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

M. I. Takahashi, Y. Shioya, Y. Taniguchi, T. Murayama, M. Ajiki, S. S. Sasaki, O. Koizumi, T. Nagao, N. Z. Scoville, B. Mobasher, H. Aussel, P. Capak, C. Carilli, R. S. Ellis, B. Garilli, M. Giavalisco, L. Guzzo, G. Hasinger, C. Impey, M. G. KitzbichlerA. Koekemoer, O. Le Fèvre, S. J. Lilly, D. Maccagni, A. Renzini, M. Rich, D. B. Sanders, E. Schinnerer, M. Scodeggio, P. Shopbell, V. Smolčić, S. Tribiano, Y. Ideue, S. Mihara

Astronomy

Research output: Contribution to journal › Article

41 Scopus citations

Abstract

We have carried out a wide-field imaging survey for [O II] λ3727 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 (Δz = 0.03), corresponding to a survey volume of 5.56 × 10 ⁵ Mpc ³. 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 10 ^{40.35-0.06+0.08} ergs s ^-1 Mpc ^-3, corresponding to star formation rate density of 0.32 _-0.04 ^+0.06 M _⊙ 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.

Original language	English (US)
Pages (from-to)	456-467
Number of pages	12
Journal	Astrophysical Journal, Supplement Series
Volume	172
Issue number	1
DOIs	https://doi.org/10.1086/518037
State	Published - Oct 22 2007

Keywords

Galaxies: distances and redshifts
Galaxies: evolution
Galaxies: luminosity function, mass function

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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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., ... Mihara, S. (2007). 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. Astrophysical Journal, Supplement Series, 172(1), 456-467. https://doi.org/10.1086/518037

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. / 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.; Smolčić, V.; Tribiano, S.; Ideue, Y.; Mihara, S.

In: Astrophysical Journal, Supplement Series, Vol. 172, No. 1, 22.10.2007, p. 456-467.

Research output: Contribution to journal › Article

Takahashi, MI, Shioya, Y, Taniguchi, Y, Murayama, T, Ajiki, M, Sasaki, SS, Koizumi, O, Nagao, T, Scoville, NZ, Mobasher, B, Aussel, H, Capak, P, Carilli, C, Ellis, RS, Garilli, B, Giavalisco, M, Guzzo, L, Hasinger, G, Impey, C, Kitzbichler, MG, Koekemoer, A, Le Fèvre, O, Lilly, SJ, Maccagni, D, Renzini, A, Rich, M, Sanders, DB, Schinnerer, E, Scodeggio, M, Shopbell, P, Smolčić, V, Tribiano, S, Ideue, Y & Mihara, S 2007, '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', Astrophysical Journal, Supplement Series, vol. 172, no. 1, pp. 456-467. https://doi.org/10.1086/518037

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. ; Smolčić, V. ; Tribiano, S. ; Ideue, Y. ; Mihara, S. / 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. In: Astrophysical Journal, Supplement Series. 2007 ; Vol. 172, No. 1. pp. 456-467.

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abstract = "We have carried out a wide-field imaging survey for [O II] λ3727 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 (Δz = 0.03), corresponding to a survey volume of 5.56 × 10 5 Mpc 3. We obtain a sample of 3176 [O II] emitting galaxies with observed emission-line equivalent widths greater than 26 {\AA}. 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 40.35-0.06+0.08 ergs s -1 Mpc -3, corresponding to star formation rate density of 0.32 -0.04 +0.06 M ⊙ 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.",

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AU - Takahashi, M. I.

AU - Shioya, Y.

AU - Taniguchi, Y.

AU - Murayama, T.

AU - Ajiki, M.

AU - Sasaki, S. S.

AU - Koizumi, O.

AU - Nagao, T.

AU - Scoville, N. Z.

AU - Mobasher, B.

AU - Aussel, H.

AU - Capak, P.

AU - Carilli, C.

AU - Ellis, R. S.

AU - Garilli, B.

AU - Giavalisco, M.

AU - Guzzo, L.

AU - Hasinger, G.

AU - Impey, C.

AU - Kitzbichler, M. G.

AU - Koekemoer, A.

AU - Le Fèvre, O.

AU - Lilly, S. J.

AU - Maccagni, D.

AU - Renzini, A.

AU - Rich, M.

AU - Sanders, D. B.

AU - Schinnerer, E.

AU - Scodeggio, M.

AU - Shopbell, P.

AU - Smolčić, V.

AU - Tribiano, S.

AU - Ideue, Y.

AU - Mihara, S.

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