Table 1: HAWK-I properties.
Parameter Value
Scale 106 mas/pixel
Field of view 7.5$^\prime$$\times$ 7.5$^\prime$
Image quality (80% EE) <0.2 $^{\prime \prime }$
Distortion <0.3% across the field
Optics throughput (w/o detector) >70%
Filters 4 Broad band, 6 Narrow band
Detectors four 2 k $\times$ 2 k Hawaii2RG arrays
Detector quantum efficieny >80%
Detector temperature 75 K $\pm$ 1 mK
Read noise $\sim $5 e- for integration times >15 s
Instrument background $\sim $ 0.10-0.15 e-/s
Instrument temperature <140 K


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