X-ray Hardness

View complete listing of X-Atlas Spectral Metrics (Hardness, Quantiles).


Hardness Ratios for NGC 3783, Obsid 2090
Aimpoint HR1 = (H-M)/(H+M) HR2 = (M-S)/(M+S) HR3 = (H-S)/(H+S)
ACIS-S 0.457 0.265 0.644
ACIS-I 0.493 0.540 0.816
Quantiles for NGC 3783, Obsid 2090
Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 1.234 0.005 1.832 0.000 3.219 0.007
Q-norm 0.121 0.001 0.199 0.000 0.379 0.001
ACIS-I keV 1.394 0.002 1.978 0.001 3.555 0.007
Q-norm 0.142 0.000 0.218 0.000 0.423 0.001


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