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arXiv:0706.2948 (astro-ph)
[Submitted on 20 Jun 2007]

Title:Do local analogs of Lyman Break Galaxies exist?

Authors:Riccardo Scarpa, Renato Falomo, Eric Lerner
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Abstract: The optical properties of a number of supercompact ultraviolet luminous galaxies (UVLG), recently discovered in the local Universe matching GALEX and Sloan Digital Sky Survey (SDSS) data, are discussed. Detailed re-analysis of the SDSS data for these and other similar but nearer galaxies shows that their surface brightness radial profile in both R and u bands is in most cases well described by an extended disk plus a central unresolved component (possibly a bulge). Since the SDSS pipeline used a single disk component to derive the half light radius of these UVLGs their size was severely underestimated. Consequently, the average UV surface brightness is much lower that previously quoted casting doubts on the claim that UVLGs are the local analogs of high redshift Lyman break galaxies.
Comments: Accepted for publication on the Astrophysical Journal, 10 pages, 5 figures
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:0706.2948 [astro-ph]
  (or arXiv:0706.2948v1 [astro-ph] for this version)
  https://doi.org/10.48550/arXiv.0706.2948
Related DOI: https://doi.org/10.1086/520915

Submission history

From: Riccardo Scarpa [view email]
[v1] Wed, 20 Jun 2007 09:57:41 UTC (561 KB)
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