vatt:vattspec
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vatt:vattspec [2021/03/31 20:52] paul |
vatt:vattspec [2021/03/31 21:24] paul |
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| ====VATT Spectrograph==== | ====VATT Spectrograph==== | ||
| + | * This optical region spectrograph has AR coated refractive optics, with a beam size at its camera of 125 mm, giving … | ||
| + | * slit length: 30 arcsec | ||
| + | * wavelength range: 360 - 950 nm | ||
| + | * spectral coverage: 100 nm at 0.1 nm resolution | ||
| + | * spectral resolutions: | ||
| + | * detector: back illuminated, | ||
| + | |||
| STA0520A CCD | STA0520A CCD | ||
| 2688×512 pixels, 15 microns | 2688×512 pixels, 15 microns | ||
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| For both gains the full well is ADC limited (65k DN), so this is 85,000 or 170,000 electrons. | For both gains the full well is ADC limited (65k DN), so this is 85,000 or 170,000 electrons. | ||
| Noise is 3.4 electrons (3.2 in overscan region) | Noise is 3.4 electrons (3.2 in overscan region) | ||
| + | |||
| + | * [[VATT: | ||
| + | * further details are under the {{ : | ||
| + | * bandpass [[vatt: | ||
| ===Documentation=== | ===Documentation=== | ||
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| * Note: There is some concern the lamps are burning out faster than they should. | * Note: There is some concern the lamps are burning out faster than they should. | ||
| - | ===QE Curve=== | + | ===Chip QE Curve=== |
| {{: | {{: | ||
vatt/vattspec.txt · Last modified: 2021/03/31 21:24 by paul
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