Abstract
We present u′g′R optical images taken with the MMT/Megacam and the Subaru/Suprime telescopes of the Extended Groth Strip survey. The total survey covers an area of about ∼ 1 degree2, including four sub-fields and is optimized for the study of galaxies at z ∼ 3. Our methods for photometric calibration in AB magnitudes, the limiting magnitude and the galaxy number count are described. A sample of 1642 photometrically selected candidate Lyman–Break Galaxies (LBGs) to an apparent RAB magnitude limit of 25.0 is presented. The average sky surface density of our LBG sample is ∼1.0 arcmin−2, slightly higher than the previous finding.
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