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อุปกรณ์ดาราศาสตร์หอดูดาวซีกฟ้าใต้ (TST)

Apogee, F42

CCD Specifications



e2v, back illuminated, grade 1

Array Size (pixels)

2048 x 2048

Pixel Size

13.5 x 13.5 microns

Imaging Area

27.6 x 27.6mm (764mm2)

Imaging Diagonal


>52% (MB); 75% (BB)

Peak QE (550nm)




Camera System Performance

PC Interface

USB 2.0

Max. Cable Length

5 meters between hubs; 5 hubs maximum (max. total of 30m)

Digital Resolution

16 bits to 5 MHz

System Noise (typical)

9 e- RMS at 1 MHz

Pixel Binning

1 x 1 to 8 x 2048 on chip

Exposure Time

20 milliseconds to 183 minutes (2.56 microsecond increments)

Image Sequencing

1 to 65535 image sequences under software control

Frame Sizes

Full frame, subframe, focus mode

Cooling (typical)

Thermoelectric cooler with forced air. Maximum cooling up to 55°C below ambient temperature.

Dark Current (typical)

<1 e-/pixel/sec (-25°C)

Temperature Stability

+/- 0.1°C

Operating Environment

-25o to 40°C. Relative humidity: 10 to 90% non-condensing.


40W maximum power with shutter open and cooling maximum. AC/DC "brick" supply with int'l AC input plug (100-240V, 50-60Hz). Alternate 12V input from user's source.

Remote Triggering

LVTTL input allows exposure to start within 25 microseconds of rising edge of trigger.

Camera Head Size

Standard: D02. Low profile: D06. Aluminum, hard blue anodized. 6"x6"x 2.5" (15x15x6.35 cm) Weight: 3.1 lb. (1.4 kg).

Back Focal Distance

Standard: 1.025" (2.60cm). Low profile: 0.460" (1.17cm) [optical].


3.5" bolt circle. 2" 24 TPI thread. Optional Nikon F-mount or Canon FD or EF/EOS mount.


Standard: 43mm shutter. Low profile: no shutter.