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Design and Specifications
Desigin and Specifications
June 28, 2012.
Telescope
| Type | Ritchy-Cretien |
|---|---|
| M1 Diameter | 1.5 m |
| F/# | F/12.3 |
| Plate Scale | 11.148 arcsec/mm |
| FoV | 15 arcmin |
Detectors
| Optical Arm | IR Arm (#1 ) | Ref., Comments | |
| Type | CCD (fully-depleted back-illuminated) | HgCdTe | (*1) |
|---|---|---|---|
| Product Name | - | VIRGO-2K | (*1) |
| Vendor | Hamamatsu Photonics K. K. | Raytheon | (*1) |
| Format (pixels) | 2048 x 4096 | 2048 x 2048 | (*1) |
| Pixel Size (um) | 15 | 20 | (*1) |
| Total Size (mm) | 30.72 x 61.44 | 40.96 x 40.96 | (*1) |
| Readout Ports | 4 | 4 (or 16 in the future) | (*1) |
| Controller | Messia 5 + MFront2 | Messia 5 + MACS2 | (*1) |
| Gain (typical) (e-/ADU) | 2.7 | 11.6 | (*1), see also (*2) for CCD, (*3) for VIRGO |
| Readout Noise (typical) (e-) | 4 | 24 | (*1), see also (*4,5) for VIRGO |
| Readout Frame Rate (sec/frame ) | 17.4 (or shorter for imaging partial readout) | 4.5 | (*1) |