STUDYING LARGE- AND SMALL-SCALE ENVIRONMENTS OF ULTRAVIOLET LUMINOUS GALAXIES

被引：8

作者：

Basu-Zych, Antara R. ^{[1
]}

Schiminovich, David ^{[1
]}

Heinis, Sebastien ^{[2
]}

Overzier, Roderik ^{[3
]}

Heckman, Tim ^{[2
]}

Zamojski, Michel ^{[4
]}

Ilbert, Olivier ^{[5
]}

Koekemoer, Anton M. ^{[6
]}

Barlow, Tom A. ^{[4
]}

Bianchi, Luciana ^{[2
]}

Conrow, Tim ^{[4
]}

Donas, Jose ^{[7
]}

Forster, Karl G. ^{[4
]}

Friedman, Peter G. ^{[4
]}

Lee, Young-Wook ^{[8
]}

Madore, Barry F. ^{[9
]}

Martin, D. Christopher ^{[4
]}

Milliard, Bruno ^{[7
]}

Morrissey, Patrick ^{[4
]}

Neff, Susan G. ^{[10
]}

Rich, R. Michael ^{[11
]}

Salim, Samir ^{[12
]}

Seibert, Mark ^{[9
]}

Small, Todd A. ^{[4
]}

Szalay, Alex S. ^{[13
]}

Wyder, Ted K. ^{[4
]}

Yi, Sukyoung ^{[2
]}

机构：

[1] Columbia Univ, Dept Astron, New York, NY 10027 USA

[2] Johns Hopkins Univ, Ctr Astrophys Sci, Baltimore, MD 21218 USA

[3] Max Planck Inst Astrophys, D-85748 Garching, Germany

[4] CALTECH, Pasadena, CA 91125 USA

[5] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA

[6] Space Telescope Sci Inst, Baltimore, MD 21218 USA

[7] Lab Astrophys Marseille, F-13376 Marseille, France

[8] Yonsei Univ, Ctr Space Astrophys, Seoul 120749, South Korea

[9] Observ Carnegie Inst Washington, Pasadena, CA 91101 USA

[10] NASA, Goddard Space Flight Ctr, Astron & Solar Phys Lab, Greenbelt, MD 20771 USA

[11] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[12] Natl Opt Astron Observ, Tucson, AZ USA

[13] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

来源：

ASTROPHYSICAL JOURNAL | 2009年 / 699卷 / 02期

关键词：

galaxies: evolution; galaxies: halos; galaxies: interactions; galaxies: starburst; methods: statistical; LYMAN-BREAK GALAXIES; STAR-FORMING GALAXIES; VLT DEEP SURVEY; REDSHIFT SURVEY; CLUSTERING PROPERTIES; STELLAR MASS; MERGER RATE; EVOLUTION; COSMOS; 1ST;

D O I：

10.1088/0004-637X/699/2/1307

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Studying the environments of 0.4 < z < 1.2 ultraviolet (UV)-selected galaxies, as examples of extreme star-forming galaxies (with star formation rates (SFRs) in the range of 3-30 M-circle dot yr(-1)), we explore the relationship between high rates of star formation, host halo mass, and pair fractions. We study the large-and small-scale environments of local ultraviolet luminous galaxies (UVLGs) by measuring angular correlation functions. We cross-correlate these systems with other galaxy samples: a volume-limited sample (ALL), a blue luminous galaxy sample, and a luminous red galaxy (LRG) sample. We determine the UVLG comoving correlation length to be r(0) = 4.8(-2.4)(+11.6) h(-1) Mpc at < z > = 1.0, which is unable to constrain the halo mass for this sample. However, we find that UVLGs form close (separation < 30 kpc) pairs with the ALL sample, but do not frequently form pairs with LRGs. A rare subset of UVLGs, those with the highest FUV surface brightnesses, are believed to be local analogs of high-redshift Lyman break galaxies (LBGs) and are called Lyman break analogs (LBAs). LBGs and LBAs share similar characteristics (i.e., color, size, surface brightness, specific SFRs, metallicities, and dust content). Recent Hubble Space Telescope images of z similar to 0.2 LBAs show disturbed morphologies, signs of mergers and interactions. UVLGs may be influenced by interactions with other galaxies and we discuss this result in terms of other high star-forming, merging systems.

引用

页码：1307 / 1320

页数：14

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