WIRCam Science



 

 

General Characteristics:

Total field of view 20'x20'
Plate scale 0.30 arcsec/pixel
Filters Y, J, H, K', and a small selection of narrow band filters
Location Prime Focus
Guiding On chip sensing, and ~5hz tip-tilt plate
Detector format (2x2)x(2048x2048)
Spectral range 0.85-2.5µm
Mean quantum  efficiency  (detector only) >65 %
Readout time (full frame, CDS mode) <1.5 seconds
Detector material HgCdTe
Readout Direct readout (4 channels per individual detector, 16 total)
Pixel pitch 18µm
Filling factor 100 %
Operating temperature 80 K (cryogenerator)
Readout noise < 20 e-/pixel (goal)
Full well capacity 100.000 e-
Orientation on the sky North up, within 2 degrees