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

Details X-ray Properties of Lyman Break Galaxies in the Great Observatories Origins Deep Survey X-ray Properties of Lyman Break Galaxies in the Great Observatories Origins Deep Survey

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...203.8202l&link_type=abstract

American Astronomical Society Meeting 203, #82.02; Bulletin of the American Astronomical Society, Vol. 35, p.1334

Astronomy and Astrophysics

Astronomy

Scientific paper

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 Lx/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.

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