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Last update:29 Aug 2023
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SCORPIO-2:
Spectral Camera with Optical Reducer for Photometric and Interferometric Observations - 2

The SCORPIO-2 main parameters
The total focal ratio at the BTA F/2.6
Spectral range 3600-10000 A
Field of view 6.1'6.1'
Spectral resolution R=500-4000 in long-slit mode
R=4000-15000 in scanning FPI mode

The CCD detector
Name E2V 42-90E2V 261-84
Size, pixels 4612x2048 4096x2048
Pixel size, mkm 13.5x13.5 15.0x15.0
Scale, arcsec/px 0.180.2
Quantum Eff. Max 95% 95%
Read-of-noise, e 1.8-4.0 3.0
Gain, e/ADU0.5, 2.
Dark, e/min0.030.01


Quantum efficiency of CCD261-84 in comparison with CCD42-90 (Afanasieva et al. 2023)