WFC3 Flight Detectors

UVIS

• Components: 2x2Kx4K thinned, backside illuminated, UV optimized e2v CCDs
• Wavelength Range: 200 to 1000mn
• Total Field of View: 162 x 162 arcsec (rhomboidal)
• Pixel format: 2 butted 2051x4096, 35-pixel gap.
• Pixel Size: 15 microns
• Plate Scale: 0.04 arcsec/pixel
• Nominal Operating Temperature: -83C
• Dark Current: 3 e-/hr/pix (median) [Revised 1-25-2012. See WFC3 IHB, Table 5.1]
• Readnoise: 3.1 e-
• Full Well: 63,000 -- 72,000 e- [Revised 1-25-2012. See WFC3 IHB, Table 5.1]
• Gain: 1.52 - 1.56 e-/ADU
• Instrument Throughput: UVIS filters

IR

• Components: 1Kx1K Teledyne HgCdTe FPA, MBE grown, substrate removed
• Wavelength Range: 900 to 1700 nm
• Total Field of View: 123 x 136 arcsec (rectangular)
• Pixel format: 1024x1024 (1014x1014 active)
• Pixel Size: 18 microns
• Plate Scale: 0.13 arcsec/pixel
• Nominal Operating Temperature: 145 K
• Dark Current: 0.048 e-/sec/pix (median) [Revised 1-25-2012. See WFC3 IHB, Table 5.1]
• Readnoise: 21 e- (CDS), 12 e- (16-read linear fit) [Revised 1-25-2012. See WFC3 IHB, Table 5.1]
• Full Well: 77,900 e- [Revised 1-25-2012. See WFC3 IHB, Table 5.1]
• Gain: 2.5 e-/ADU
• Instrument Throughput: IR filters

Relevant Documents