Other
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20917107f&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #171.07; Bulletin of the American Astronomical Society,
Other
Scientific paper
We are using GALEX imaging data in the Extended Groth Strip (EGS) to search for Lyman continuum emission from galaxies at z 1. Our method is to sum FUV image flux at locations of DEEP2 catalog galaxies in the redshift range 1 < z < 1.5, for which the GALEX FUV band (1350-1800A) is sensitive only to rest wavelengths below 912 A. We subtract sky flux using control locations near each catalog galaxy. Using photometric catalogs we veto galaxy and control locations near sources that might add spurious FUV flux. We normalize FUV flux using NUV flux to derive the Lyman continuum emission escape fraction. We use various galaxy attributes from DEEP2 spectra and other data to bin galaxies to search for galaxy populations with higher escape fractions. Such a finding might shed light on differences in escape fraction measurements in the literature.
GALEX is a NASA Small Explorer mission with contributions from France and South Korea.
This work uses data from the AEGIS collaboration, which is supported by grants from the National Science Foundation, NASA, and the Keck Observatory.
Deharveng Jean Michel
Friedman Peter G.
GALEX Science Team
Milliard Bruno
Small Todd A.
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