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[82.02] X-ray Properties of Lyman Break Galaxies in the Great Observatories Origins Deep Survey

B.D. Lehmer (Penn State)

We present results from X-ray stacking analyses, using the 2 Ms Chandra Deep Field-North and 1 Ms Chandra Deep Field-South, that constrain the X-ray emission of Lyman break galaxies (LBGs) at z ~ 2-6. Positions of 315, 577, 123, and 47 known LBGs with z ~ 3, 4, 5, and 6, respectively were stacked to constrain mean X-ray properties. Several subsets of LBGs at these redshifts were also stacked based on their morphologies and optical luminosities. When stacked, we detect the X-ray emission from LBGs at z ~ 3 and 4 and constrain the emission at z ~ 5 and 6. The mean X-ray to B-Band luminosity ratio L_x/L_B of these galaxies is slightly elevated in comparison to local starburst galaxies. We futhermore place significant new constraints upon the active galactic nucleus content of these LBGs.

The author(s) of this abstract have provided an email address for comments about the abstract: blehmer@astro.psu.edu

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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.