Mathematics – Logic
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21832806k&link_type=abstract
American Astronomical Society, AAS Meeting #218, #328.06; Bulletin of the American Astronomical Society, Vol. 43, 2011
Mathematics
Logic
Scientific paper
Ultraluminous Infrared Galaxies (ULIRGs, L_IR>10^12 L&sun;) in the local universe are all interacting and merging galaxies. To date, studies of ULIRGs at high redshift have found a variety of results due to their varying selection effects and small sample sizes. Here, we present the results of a morphological analysis of a sample of high redshift (z 1-3) ULIRGs. These galaxies are selected based on their infrared luminosities measured using 100 and 160 micron data from the GOODS-Herschel coverage of GOODS-S. We visually classified all of the ULIRGs as well as a comparison sample at the same redshift covering the same H band magnitude range using ACS and WFC3 data from the GOODS and CANDELS surveys. We compare our results to those from other classifiers as well as several automated classification methods. The high resolution and increased sensitivity of WFC3 over NICMOS for this large sample of objects allows us to investigate the role of galaxy mergers among high redshift ULIRGs consistently for the first time.
CANDELS Collaboration
Dickinson Marc
GOODS-Herschel Collaboration
Kartaltepe Jeyhan S.
Koekemoer Anton
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