X-Atlas Hardness Ratios and Quantiles:

HR1 between and HR2 between and HR3 between and
Q25 between and Q50 between and Q75 between and
3*Q25/Q75 between and log10 m/(1-m) between and
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X-Atlas Observation Search X-Atlas Spectral Metrics X-Atlas Spectral Fits

Hardness Ratios and Quantiles: ACIS-S

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