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Near Infrared Imaging of the Hubble Deep Field with the Keck Telescope

February 1997 • 1997AJ....113..474H

Authors • Hogg, David W. • Neugebauer, G. • Armus, Lee • Matthews, K. • Pahre, Michael A. • Soifer, B. T. • Weinberger, A. J.

Abstract • Two deep K-band (2.2 microns ) images, with point-source detection limits of K=25.2 mag (one sigma), taken with the Keck Telescope in subfields of the Hubble Deep Field, are presented and analyzed. A sample of objects to K=24 mag is constructed and V606-I814 and I814-K colors are measured. By stacking visually selected objects, mean I814-K colors can be measured to very faint levels; the mean I814-K color is constant with apparent magnitude down to V606=28 mag.

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Lee Armus

Senior Scientist