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Figure 1: WFCAM on the 3.8 m UK Infrared Telescope. WFCAM is the tall cylindrical structure mounted above the primary mirror. Photo courtesy of P. Hirst. |
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Figure 2: WFCAM focal plane on the sky. Dimensions of the field of view are shown along with the 2MASS field (3 simultaneous bands) for comparison. The central diamond shape is the autoguider CCD field. |
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Figure 3: WFCAM optical layout showing the overall design on the telescope at top, with details of the cryostat optics below. |
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Figure 4:
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Figure 5:
Two K-band stellar magnitudes monitored over 7 epochs over several months in the ![]() ![]() |
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Figure 6:
Differential number counts as a function of K-band magnitude
from the UKIDSS UDS Early Data Release, sampling a dynamic range of
approximately 6 mag. At the completeness limit (K=20.6) the
majority of sources are distant galaxies, with median redshifts of ![]() |
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