X-ray Hardness

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


Hardness Ratios for NGC 3783, Obsid 2094
Aimpoint HR1 = (H-M)/(H+M) HR2 = (M-S)/(M+S) HR3 = (H-S)/(H+S)
ACIS-S 0.437 0.179 0.572
ACIS-I 0.473 0.488 0.781
Quantiles for NGC 3783, Obsid 2094
Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 1.161 0.007 1.759 0.001 3.088 0.003
Q-norm 0.112 0.001 0.190 0.000 0.362 0.000
ACIS-I keV 1.351 0.000 1.905 0.004 3.453 0.004
Q-norm 0.136 0.000 0.208 0.000 0.409 0.001


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