CCD 카메라 사양

• 냉각방식냉각수/전기 냉각 ( -110도 사용)
• size4k x 4k (한변 61.4 mm ) (4098x4112)
• chip 제작사/모델E2V CCD 231-84 칩 (Back illuminated, Grade one)
• CCD 제작사/모델ARC (Astronomical Research Cameras)
• Field of view약 28.1분 x 28.1분
• pixel size15 μm
• arcsec/pixel약 0.4 arcsec
• readout noise2e- (50kHz) / 5e- (1MHz) ~4.84
• gainLow(nomal) ~ 4.58 e- / ADU High ~ 5.34 e- / ADU 2.68
• dark current3e- /pixel/hour ~4.3
• readout time
  • 1x1Amplifier 0~3 : 35.5초 / Quad Readout : 10.7초
  • 2x2Amplifier 0~3 : ~ 14초 / Quad Readout : 3.8초
  • 4x4Amplifier 0~3 : ~ 6초 / Quad Readout : ~ 2초
• 제조후 CCD 테스트 결과
  • readout noise- noise = 4.84, 4.69, 4.83, 4.84 e- rms (four quadrants)
  • gain- gain = 2.68, 2.53, 2.68, 2.69 e-/DN
  • dark- dark = 4.3 e-/pxl/hour at -110C