0.5 m telescope?s (sliding roof) dome on the deck of TNO control building
Telescope
Model: PlaneWave CDK24
|
Aperture |
50 cm (0.5 m) |
|
Focal Length |
3962 mm (155.98 inch) |
|
Focal Ratio |
f/6.5 |
|
Central Obstruction |
47% of the Primary Mirror Diameter (11.38") |
|
Back Focus from Mounting Surface |
14.1 inch (358 mm) |
|
Optimal Field of View |
70 mm (58 arcminute) |
Inside the dome, PlaneWave CDK24 mounted on Paramount ME
Mount
Model: Paramount (ME)
|
All Sky Pointing Accuracy |
1/3 arcsecond |
|
Backlash |
The spring-loaded worm-to-gear interface has virtually zero backlash in both the right ascension and declination axis. |
|
Tracking Performance and Periodic Error |
The peak-to-peak periodic error for the right ascension gear is seven (7) arcseconds or less |
CCD
Model: Apogee Altra U9000 with L, R, G, Bfilter
|
Array Size (pixels) |
3056 x 3056 |
|
Pixel Size |
12 x 12 microns |
|
Imaging Area |
36.7 x 36.7mm (1345mm2) |
|
Imaging Diagonal |
51.9mm |
|
Linear Full Well (typical) |
110K electrons |
|
Dynamic Range |
84dB |
|
QE at 400nm |
37% |
|
Peak QE (550nm) |
64% |
|
Anti-blooming |
>100X |
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Apogee U9000 with filter wheel mounted to telescope