[Temperature response func.] = [Factor(geometrical, etc.)] * [Model Solar Spectra] # [XRT Effective Area]
(T) (T, λ) (λ)
[Effective Area] = [aperture] * [prefilter] * [mirror1] * [mirror2] * [filter1] * [filter2] * [ccdqe] * [contamination]aperture=2.28 cm^2
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Effective Area modified partially opened prefilter (without X-ray filters).
| Open/Al-mesh | Open/Ti-poly |
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| Al-poly/Open | Thin-Be/Open |
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| Open/thick-Al | Open/thick-Be |
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| Al-poly/Al-mesh | Ti-poly/Al-mesh |
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| thin-Be/Al-poly | thick-Be/thick-Al |
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G-band normal image: I_vls_open = Is * (25*25*3.14) * 0.026 * 0.4932
Stray light component: I_vls_close = Is * (open area) * 0.4932
VLS_open image : [normal G-band image] overlapped with [stray light image]
VLS_close image : [stray light image] only.
[Total intensity of VLS_open image] = 1.08202e+11 (DN/sec)
[Total intensity of VLS_close image] = 4.82591e+10 (DN/sec)
[Total intensity of normal G-band image] = 5.99429e+10 (DN/sec)
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Ratio of total image intensity : [stray light comp.]/[norm. G-band] = 4.82591/5.99429 = 0.805085 |
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Ratio of total image intensity : [VLS_close]/[VLS_open]=0.953.. |