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American Astronomical Society, Astronomical Journal, (113), p. 474, 1997

DOI: 10.1086/118269

American Astronomical Society, Astronomical Journal, (113), p. 2338, 1997

DOI: 10.1086/118445

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

Journal article published in 1996 by David W. Hogg ORCID, B. T. Soifer, A. J. Weinberger ORCID, G. Neugebauer, Lee Armus, K. Matthews, Michael A. Pahre
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Two deep K-band ($2.2 μ m$) 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 $V_{606}-I_{814}$ and $I_{814}-K$ colors are measured. By stacking visually selected objects, mean $I_{814}-K$ colors can be measured to very faint levels; the mean $I_{814}-K$ color is constant with apparent magnitude down to $V_{606}=28$ mag. Comment: Replaced with slightly revised source positions and corrected V-I magnitudes (which were incorrect in the Tables and Figure 5). 18 pages. The data are publicly available at http://www.cco.caltech.edu/~btsoifer/hdf.html along with a high-resolution version of Fig. 1