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Studying Large and Small Scale Environments of Ultraviolet Luminous
Galaxies
Studying Large and Small Scale Environments of Ultraviolet Luminous
Galaxies
2009-06-04
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arxiv.org/abs/0906.1010v1
Astrophys.J.699:1307-1320,2009
Astronomy and Astrophysics
Astrophysics
Galaxy Astrophysics
35 pages, 10 Figures, accepted for publication in ApJ
Scientific paper
10.1088/0004-637X/699/2/1307
Studying the environments of 0.4 =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 star formation rates, metallicities, and dust content). Recent HST images of z~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.
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