Difference between revisions of "GOES Flux vs STIX counts"
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| − | [[File:Goes-stix-scatter.png|400px|thumb|none|   | + | [[File:Goes-stix-scatter.png|400px|thumb|none| Fig. 1: Scatter plot of STIX counts versus GOES flux in log-log scale.  | 
| − | STIX counts are divided by the squared distances between Solar Orbiter and the Sun.  1045 flares with look-angles from the Earth smaller than 90 degrees are selected.   | + | STIX counts are divided by the squared distances between Solar Orbiter and the Sun.  1045 flares with look-angles from the Earth smaller than 90 degrees are selected. ]]  | 
| + | [[File:Goes-stix-scatter.png|400px|thumb|none|  Fig. 2 A profile of the histogram and its fit of the quadratic function. ]]  | ||
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The GOES flux of a flare is estimated using  | The GOES flux of a flare is estimated using  | ||
Revision as of 10:22, 15 January 2022
The GOES flux of a flare is estimated using
flux=10^(p0+p1*x+p2**x^2), 
with x=log10(stix_peak_counts)/r^2
where p0, p1, p2 are the parameters from the polynomial 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.