O plano focal da ST8
Esquema com o posicionamento relativo dos dois sensores
(Kodak KAF-1602E + TI TC-237)
Eficiência quântica do sensor Kodak KAF-1602E
Manual do CCDOPS V. 4 para Windows e Macintosh e DOS
(software que controla a ST8) (443 Kb)
Especificações de fábrica
CCD Specifications
CCD: Kodak KAF-1602E (imagem) + TI TC-237 (guiagem)
Pixel Array: 1530 x 1020 pixels, 13.8 x 9.2 mm
Total Pixels: 1,500,000
Pixel Size: 9 x 9 microns
Full Well Capacity: ABG ~50,000 e-
Full Well Capacity: NABG ~100,000 e-
Dark Current: 1e¯/pixel/sec at 0° C
Antiblooming Standard
(Non-ABG as option)
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Readout Specifications
Shutter: Electromechanical
Exposure: 0.11 to 3600 seconds, 10ms resolution
Correlated Double Sampling: Yes
A/D Converter: 16 bits
A/D Gain: 2.3e¯/ADU
Read Noise: 15e¯ RMS
Binning Modes: 1 x 1, 2 x 2, 3 x 3
Pixel Digitization Rate: Up to 420,000 pixels per second
Full Frame Acquisition: 3.7 seconds
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Optical Specifications (8" f/10)
Field of View: 24 x 16 arcminutes
Pixel Size: .9 x .9 arcseconds
Limiting Magnitude: Magnitude 14 in 1 second
(for 3 arcsec FWHM stars): Magnitude 18 in 1 minute
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System Specifications
Cooling: standard Single Stage Thermoelectric, Active Fan,Water Assist Ready -45 C from Ambient Typical
Temperature Regulation: ±0.1°C
Power: 5 VDC at 1.5 amps, ±12 VDC at 0.5 amp Desktop Power Supply Included
Computer Interface: USB
Computer Compatibility: Windows 95/98/NT/2000/Me/XP
Guiding Dual CCD Self-Guiding
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Physical Dimensions
Optical Head 5 inches diameter x 3 inches 12.5 cm diameter x 7.5 deep 2.2 pounds/1 Kg
CPU All electronics integrated into Optical Head, No CPU
Mounting T-Thread, 1.25" and 2" nosepieces included
Backfocus 0.92 inches/2.3 cm