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| wiki:astronomy:observational_astronomy:data_reduction_toa [2025/02/05 20:33] – Roy Prouty | wiki:astronomy:observational_astronomy:data_reduction_toa [2025/02/05 20:33] (current) – Roy Prouty | ||
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| - $K$ is the atmosphere-integrated extinction | - $K$ is the atmosphere-integrated extinction | ||
| - | The first two are easy (ish) ! That last one, the atmosphere-integrated extinction is less easy. It must me derived either from measurements of the layer-by-layer extinction coefficient and numerically integrated OR we must find some way to measure the atmosphere-integrated extinction itself. | + | The first two are easy (ish) ! That last one, the atmosphere-integrated extinction is less easy. It must be derived either from measurements of the layer-by-layer extinction coefficient and numerically integrated OR we must find some way to measure the atmosphere-integrated extinction itself. |
| ==== Measuring Atmospheric Extinction ==== | ==== Measuring Atmospheric Extinction ==== | ||