GOES Flux vs STIX counts

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Scatter plot of STIX counts (4 - 10 keV) versus GOES flux and as well as a linear fit and a polynomial fit to the data.


The GOES flux of a solar flare is estimated using

flux=10^(p0+p1*x),

with x=log10(stix_peak_counts*r^2)

where p0, p1, p2 are the parameters from the curve fit, peak_counts is the STIX QL LC peak counts and r is the distance between the Sun and solar orbiter in units of au.