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Last update:25 Nov 2024 This page is designed by A.V. Moiseev moisav  sao.ru
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SCORPIO-2: Spectral Camera with Optical Reducer for Photometric and Interferometric Observations - 2 |
| The total focal ratio at the BTA | F/2.6 |
| Spectral range | 3600-10000 A |
| Field of view | 6.1'õ6.1' |
| Spectral resolution | R=500-4000 in long-slit mode | R=4000-15000 in scanning FPI mode |
| Name | E2V 42-90 | E2V 261-84 |
| Size, pixels | 4612x2048 | 4096x2048 |
| Pixel size, mkm | 13.5x13.5 | 15.0x15.0 |
| Scale, arcsec/px | 0.18 | 0.2 |
| Quantum Eff. Max | 95% | 95% |
| Read-of-noise, e | 1.8-4.0 | 3.0 |
| Gain, e/ADU | 0.5, 2. | |
| Dark, e/min | 0.03 | 0.01 |
Quantum efficiency of CCD261-84 in comparison with CCD42-90 (Afanasieva et al. 2023)