Clustering properties of rest-frame UV-selected galaxies. I. The correlation length derived from Galex data in the local universe

Bruno Milliard, Sébastien Heinis, Jérémy Blaizot, Stéphane Arnouts, David Schiminovich, Tamás Budavári, José Donas, Marie Treyer, Michel Laget, Maurice Viton, Ted K. Wyder, Alex S. Szalay, Tom A. Barlow, Karl Forster, Peter G. Friedman, D. Christopher Martin, Patrick Morrissey, Susan G. Neff, Mark Seibert, Todd SmallLuciana Bianchi, Timothy M. Heckman, Young Wook Lee, Barry F. Madore, R. Michael Rich, Barry Y. Welsh, Sukyoung K. Yi, C. K. Xu

Research output: Contribution to journalArticle

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Abstract

We present the first measurements of the angular correlation function of galaxies selected in the far (1530 Å) and near (2310 Å) ultraviolet from the GALEX survey fields overlapping SDSS DR5 in low Galactic extinction regions. The area used covers 120 deg2 (GALEX Medium Imaging Survey) down to magnitude AB = 22, yielding a total of 100,000 galaxies. The mean correlation length is ∼3.7 ±0.6 Mpc, and no significant trend is seen for this value as a function of the limiting apparent magnitude or between the GALEXbands. This estimate is close to that found from samples of blue galaxies in the local universe selected in the visible and similar to that derived at z ≃ 3 for LBGs with similar rest frame selection criteria. This result supports models that predict antibiasing of star-forming galaxies at low redshift and brings an additional clue to the downsizing of star formation at z < 1.

Original languageEnglish
Pages (from-to)494-502
Number of pages9
JournalAstrophysical Journal, Supplement Series
Volume173
Issue number2
DOIs
Publication statusPublished - 2007 Dec 1

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universe
galaxies
field survey
extinction
angular correlation
star formation
trends
stars
estimates
trend

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Milliard, Bruno ; Heinis, Sébastien ; Blaizot, Jérémy ; Arnouts, Stéphane ; Schiminovich, David ; Budavári, Tamás ; Donas, José ; Treyer, Marie ; Laget, Michel ; Viton, Maurice ; Wyder, Ted K. ; Szalay, Alex S. ; Barlow, Tom A. ; Forster, Karl ; Friedman, Peter G. ; Christopher Martin, D. ; Morrissey, Patrick ; Neff, Susan G. ; Seibert, Mark ; Small, Todd ; Bianchi, Luciana ; Heckman, Timothy M. ; Lee, Young Wook ; Madore, Barry F. ; Michael Rich, R. ; Welsh, Barry Y. ; Yi, Sukyoung K. ; Xu, C. K. / Clustering properties of rest-frame UV-selected galaxies. I. The correlation length derived from Galex data in the local universe. In: Astrophysical Journal, Supplement Series. 2007 ; Vol. 173, No. 2. pp. 494-502.
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abstract = "We present the first measurements of the angular correlation function of galaxies selected in the far (1530 {\AA}) and near (2310 {\AA}) ultraviolet from the GALEX survey fields overlapping SDSS DR5 in low Galactic extinction regions. The area used covers 120 deg2 (GALEX Medium Imaging Survey) down to magnitude AB = 22, yielding a total of 100,000 galaxies. The mean correlation length is ∼3.7 ±0.6 Mpc, and no significant trend is seen for this value as a function of the limiting apparent magnitude or between the GALEXbands. This estimate is close to that found from samples of blue galaxies in the local universe selected in the visible and similar to that derived at z ≃ 3 for LBGs with similar rest frame selection criteria. This result supports models that predict antibiasing of star-forming galaxies at low redshift and brings an additional clue to the downsizing of star formation at z < 1.",
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Milliard, B, Heinis, S, Blaizot, J, Arnouts, S, Schiminovich, D, Budavári, T, Donas, J, Treyer, M, Laget, M, Viton, M, Wyder, TK, Szalay, AS, Barlow, TA, Forster, K, Friedman, PG, Christopher Martin, D, Morrissey, P, Neff, SG, Seibert, M, Small, T, Bianchi, L, Heckman, TM, Lee, YW, Madore, BF, Michael Rich, R, Welsh, BY, Yi, SK & Xu, CK 2007, 'Clustering properties of rest-frame UV-selected galaxies. I. The correlation length derived from Galex data in the local universe', Astrophysical Journal, Supplement Series, vol. 173, no. 2, pp. 494-502. https://doi.org/10.1086/524658

Clustering properties of rest-frame UV-selected galaxies. I. The correlation length derived from Galex data in the local universe. / Milliard, Bruno; Heinis, Sébastien; Blaizot, Jérémy; Arnouts, Stéphane; Schiminovich, David; Budavári, Tamás; Donas, José; Treyer, Marie; Laget, Michel; Viton, Maurice; Wyder, Ted K.; Szalay, Alex S.; Barlow, Tom A.; Forster, Karl; Friedman, Peter G.; Christopher Martin, D.; Morrissey, Patrick; Neff, Susan G.; Seibert, Mark; Small, Todd; Bianchi, Luciana; Heckman, Timothy M.; Lee, Young Wook; Madore, Barry F.; Michael Rich, R.; Welsh, Barry Y.; Yi, Sukyoung K.; Xu, C. K.

In: Astrophysical Journal, Supplement Series, Vol. 173, No. 2, 01.12.2007, p. 494-502.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Clustering properties of rest-frame UV-selected galaxies. I. The correlation length derived from Galex data in the local universe

AU - Milliard, Bruno

AU - Heinis, Sébastien

AU - Blaizot, Jérémy

AU - Arnouts, Stéphane

AU - Schiminovich, David

AU - Budavári, Tamás

AU - Donas, José

AU - Treyer, Marie

AU - Laget, Michel

AU - Viton, Maurice

AU - Wyder, Ted K.

AU - Szalay, Alex S.

AU - Barlow, Tom A.

AU - Forster, Karl

AU - Friedman, Peter G.

AU - Christopher Martin, D.

AU - Morrissey, Patrick

AU - Neff, Susan G.

AU - Seibert, Mark

AU - Small, Todd

AU - Bianchi, Luciana

AU - Heckman, Timothy M.

AU - Lee, Young Wook

AU - Madore, Barry F.

AU - Michael Rich, R.

AU - Welsh, Barry Y.

AU - Yi, Sukyoung K.

AU - Xu, C. K.

PY - 2007/12/1

Y1 - 2007/12/1

N2 - We present the first measurements of the angular correlation function of galaxies selected in the far (1530 Å) and near (2310 Å) ultraviolet from the GALEX survey fields overlapping SDSS DR5 in low Galactic extinction regions. The area used covers 120 deg2 (GALEX Medium Imaging Survey) down to magnitude AB = 22, yielding a total of 100,000 galaxies. The mean correlation length is ∼3.7 ±0.6 Mpc, and no significant trend is seen for this value as a function of the limiting apparent magnitude or between the GALEXbands. This estimate is close to that found from samples of blue galaxies in the local universe selected in the visible and similar to that derived at z ≃ 3 for LBGs with similar rest frame selection criteria. This result supports models that predict antibiasing of star-forming galaxies at low redshift and brings an additional clue to the downsizing of star formation at z < 1.

AB - We present the first measurements of the angular correlation function of galaxies selected in the far (1530 Å) and near (2310 Å) ultraviolet from the GALEX survey fields overlapping SDSS DR5 in low Galactic extinction regions. The area used covers 120 deg2 (GALEX Medium Imaging Survey) down to magnitude AB = 22, yielding a total of 100,000 galaxies. The mean correlation length is ∼3.7 ±0.6 Mpc, and no significant trend is seen for this value as a function of the limiting apparent magnitude or between the GALEXbands. This estimate is close to that found from samples of blue galaxies in the local universe selected in the visible and similar to that derived at z ≃ 3 for LBGs with similar rest frame selection criteria. This result supports models that predict antibiasing of star-forming galaxies at low redshift and brings an additional clue to the downsizing of star formation at z < 1.

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