A GALEX Imaging Search for Lyman Continuum Emission at z 1 in the EGS

Other

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

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 at 1 < z < 1.5, for which the GALEX FUV band (1350-1800A) is sensitive only to rest wavelengths < 912 A. We subtract sky flux using control locations near each catalog galaxy. Using the HST/ACS EGS photometric catalog 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. We control for sources of spurious FUV flux and other sources of bias. To understand systematic errors we perform parametric studies of various parameters. These include control locations, minimum and maximum redshift, and veto parameters including distance.
GALEX (Galaxy Evolution Explorer) is a NASA Small Explorer, launched in April 2003. We gratefully acknowledge NASA's support for construction, operation, and science analysis for the GALEX mission.
This work has been proposed to be part of the Extended Groth Strip collaboration, which is supported by grants from the National Science Foundation, NASA, and the Keck Observatory.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

A GALEX Imaging Search for Lyman Continuum Emission at z 1 in the EGS does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with A GALEX Imaging Search for Lyman Continuum Emission at z 1 in the EGS, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A GALEX Imaging Search for Lyman Continuum Emission at z 1 in the EGS will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-1282110

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.