The 0.1 < z < 1.65 evolution of the bright end of the [O II] luminosity function

Johan Comparat, Johan Richard, Jean Paul Kneib, Olivier Ilbert, Violeta Gonzalez-Perez, Laurence Tresse, Julien Zoubian, Stephane Arnouts, Joel R. Brownstein, Carlton Baugh, Timothee Delubac, Anne Ealet, Stephanie Escoffier, Jian Ge, Eric Jullo, Cedric Lacey, Nicholas P. Ross, David Schlegel, Donald P. Schneider, Oliver SteeleLidia Tasca, Christophe Yeche, Michael P Lesser, Zhaoji Jiang, Yipeng Jing, Zhou Fan, Xiaohui Fan, Jun Ma, Jundan Nie, Jiali Wang, Zhenyu Wu, Tianmeng Zhang, Xu Zhou, Zhimin Zhou, Hu Zou

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We present the [OII] (λλ3729,3726) luminosity function measured in the redshift range 0.1 <z< 1.65 with unprecedented depth and accuracy. Our measurements are based on medium resolution flux-calibrated spectra of emission line galaxies with the visual and near UV FOcal Reducer and low dispersion Spectrograph (FORS2) for the Very Large Telescope (VLT) of the European Southern Observatory (ESO) and with the SDSS-III/BOSS spectrograph. The FORS2 spectra and the corresponding catalog containing redshifts and line fluxes are released along with this paper. In this work we use a novel method to combine these surveys with GAMA, zCOSMOS, and VVDS, which have different target selection, producing a consistent weighting scheme to derive the [OII] luminosity function. The[OII] luminosity function is in good agreement with previous independent estimates. The comparison with two state-of-the-art semi-analytical models is good, which is encouraging for the production of mock catalogs of [OII] flux limited surveys. We observe the bright end evolution over 8.5 Gyr: we measure the decrease of logL∗ from 42.4 erg/s at redshift 1.44 to 41.2 at redshift 0.165 and we find that the faint end slope flattens when redshift decreases. This measurement confirms the feasibility of the target selection of future baryonic acoustic oscillation surveys aiming at observing [OII] flux limited samples.

Original languageEnglish (US)
JournalAstronomy and Astrophysics
Volume575
DOIs
StatePublished - Mar 1 2015

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luminosity
spectrographs
catalogs
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acoustics
observatory
European Southern Observatory
oscillation
telescopes
slopes
galaxies
oscillations
estimates
comparison
method
state of the art

Keywords

  • Catalogs
  • Cosmology: observations
  • Galaxies: evolution
  • Galaxies: luminosity function, mass function
  • Galaxies: statistics
  • Surveys

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Comparat, J., Richard, J., Kneib, J. P., Ilbert, O., Gonzalez-Perez, V., Tresse, L., ... Zou, H. (2015). The 0.1 < z < 1.65 evolution of the bright end of the [O II] luminosity function. Astronomy and Astrophysics, 575. https://doi.org/10.1051/0004-6361/201424767

The 0.1 < z < 1.65 evolution of the bright end of the [O II] luminosity function. / Comparat, Johan; Richard, Johan; Kneib, Jean Paul; Ilbert, Olivier; Gonzalez-Perez, Violeta; Tresse, Laurence; Zoubian, Julien; Arnouts, Stephane; Brownstein, Joel R.; Baugh, Carlton; Delubac, Timothee; Ealet, Anne; Escoffier, Stephanie; Ge, Jian; Jullo, Eric; Lacey, Cedric; Ross, Nicholas P.; Schlegel, David; Schneider, Donald P.; Steele, Oliver; Tasca, Lidia; Yeche, Christophe; Lesser, Michael P; Jiang, Zhaoji; Jing, Yipeng; Fan, Zhou; Fan, Xiaohui; Ma, Jun; Nie, Jundan; Wang, Jiali; Wu, Zhenyu; Zhang, Tianmeng; Zhou, Xu; Zhou, Zhimin; Zou, Hu.

In: Astronomy and Astrophysics, Vol. 575, 01.03.2015.

Research output: Contribution to journalArticle

Comparat, J, Richard, J, Kneib, JP, Ilbert, O, Gonzalez-Perez, V, Tresse, L, Zoubian, J, Arnouts, S, Brownstein, JR, Baugh, C, Delubac, T, Ealet, A, Escoffier, S, Ge, J, Jullo, E, Lacey, C, Ross, NP, Schlegel, D, Schneider, DP, Steele, O, Tasca, L, Yeche, C, Lesser, MP, Jiang, Z, Jing, Y, Fan, Z, Fan, X, Ma, J, Nie, J, Wang, J, Wu, Z, Zhang, T, Zhou, X, Zhou, Z & Zou, H 2015, 'The 0.1 < z < 1.65 evolution of the bright end of the [O II] luminosity function', Astronomy and Astrophysics, vol. 575. https://doi.org/10.1051/0004-6361/201424767
Comparat, Johan ; Richard, Johan ; Kneib, Jean Paul ; Ilbert, Olivier ; Gonzalez-Perez, Violeta ; Tresse, Laurence ; Zoubian, Julien ; Arnouts, Stephane ; Brownstein, Joel R. ; Baugh, Carlton ; Delubac, Timothee ; Ealet, Anne ; Escoffier, Stephanie ; Ge, Jian ; Jullo, Eric ; Lacey, Cedric ; Ross, Nicholas P. ; Schlegel, David ; Schneider, Donald P. ; Steele, Oliver ; Tasca, Lidia ; Yeche, Christophe ; Lesser, Michael P ; Jiang, Zhaoji ; Jing, Yipeng ; Fan, Zhou ; Fan, Xiaohui ; Ma, Jun ; Nie, Jundan ; Wang, Jiali ; Wu, Zhenyu ; Zhang, Tianmeng ; Zhou, Xu ; Zhou, Zhimin ; Zou, Hu. / The 0.1 < z < 1.65 evolution of the bright end of the [O II] luminosity function. In: Astronomy and Astrophysics. 2015 ; Vol. 575.
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