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Abstract:
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Astrophysical data taken in X-rays and Gamma-rays are rich in content and the analysis challenges therefore of a wide assortment. The observatory fleet that obtains the data consist of several different instruments, each of which focus on different aspects, such as timing accuracy, high resolution spectroscopy, high spatial resolution, or high/low energy coverage, and it is not uncommon to combine data sets from several instruments. As such the importance of instrument calibration becomes crucial for data analysis, and this component often constitutes the largest source of uncertainties. Naturally, it has become a topic of lively discussion precisely how to correctly include these errors into complex data fitting routines, and in this talk I will review the challenges and discuss the implications of getting it wrong.
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