Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.9717p&link_type=abstract
American Astronomical Society, AAS Meeting #211, #97.17; Bulletin of the American Astronomical Society, Vol. 39, p.906
Astronomy and Astrophysics
Astronomy
Scientific paper
We have selected a multi-wavelength sample of local interacting galaxies containing HI, GALEX FUV/NUV and Sloan Digital Sky Survey (SDSS) data to be artificially redshifted. Using the method in Lotz et al. (2006), the local galaxies are redshifted from z = 1.5 to 4 in order to be compared with Lyman-break galaxies (LBGs) from the Great Observatories Origins Deep Survey (GOODS) and the Ultra Deep Field (UDF) surveys. We use the Petrosian radius, Gini coefficient, second-order moment of 20% of the brightest pixels (M20), and concentration of light to examine the morphology distribution of the artificially redshift objects and LBGs. The purpose of this study is to analyze how morphology changes with time and to search for local analogs of LBGs. Our ultimate goal is to connect the LBG population with the formation of Hubble types present in the local universe.
de Mello Duilia F.
Gardner Jeffrey P.
Petty Sara M.
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