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Clustering Properties of Rest-Frame UV-Selected Galaxies. I. the Correlation Length Derived from GALEX Data in the Local Universe

Milliard, Bruno and Heinis, Sébastien and Blaizot, Jérémy and Arnouts, Stéphane and Schiminovich, David and Budavári, Tamás and Donas, José and Treyer, Marie and Laget, Michel and Viton, Maurice and Wyder, Ted K. and Szalay, Alex S. and Barlow, Tom A. and Forster, Karl and Friedman, Peter G. and Martin, D. Christopher and Morrissey, Patrick and Neff, Susan G. and Seibert, Mark and Small, Todd and Bianchi, Luciana and Heckman, Timothy M. and Lee, Young-Wook and Madore, Barry F. and Rich, R. Michael and Welsh, Barry Y. and Yi, Sukyoung K. and Xu, C. K. (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, 173 (2). pp. 494-502. ISSN 0067-0049.

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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 deg^2 (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 GALEX bands. 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.

Item Type:Article
Related URLs:
URLURL TypeDescription
Forster, Karl0000-0001-5800-5531
Martin, D. Christopher0000-0002-8650-1644
Morrissey, Patrick0000-0001-8177-1023
Seibert, Mark0000-0002-1143-5515
Madore, Barry F.0000-0002-1576-1676
Rich, R. Michael0000-0003-0427-8387
Xu, C. K.0000-0002-1588-6700
Additional Information:© 2007 The American Astronomical Society. Received 2006 August 22; accepted 2007 October 16. It is with great pleasure that we thank Jean-Michel Deharveng for support and discussions. GALEX (Galaxy Evolution Explorer) is a NASA Small Explorer, launched in 2003 April. We gratefully acknowledge NASA’s support for construction, operation, and science analysis for the GALEX mission, developed in cooperation with the Centre National d’Etudes Spatiales of France and the Korean Ministry of Science and Technology.
Group:Space Radiation Laboratory, Space Astrophysics Laboratory
Funding AgencyGrant Number
Subject Keywords:stars : formation; ultraviolet : galaxies
Issue or Number:2
Record Number:CaltechAUTHORS:20100211-100214164
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Official Citation: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 Small, Luciana Bianchi, Timothy M. Heckman, Young-Wook Lee, Barry F. Madore, R. Michael Rich, Barry Y. Welsh, Sukyoung K. Yi, and C. K. Xu 2007 ApJS 173 494-502 doi: 10.1086/524658
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:17451
Deposited By: Tony Diaz
Deposited On:16 Feb 2010 19:22
Last Modified:09 Mar 2020 21:02

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