X-ray Hardness

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

Hardness Ratios for CAL 87, Obsid 1896

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S -0.841 -0.951 -0.996
ACIS-I -0.799 -0.899 -0.988

Quantiles for CAL 87, Obsid 1896

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.504 7.496 0.591 0.005 0.694 0.001

Q-norm 0.026 0.974 0.038 0.001 0.051 0.000
ACIS-I keV 0.533 0.006 0.635 0.003 0.737 0.001

Q-norm 0.030 0.001 0.044 0.000 0.057 0.000

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Hardness Ratios for CAL 87, Obsid 1896
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	-0.841	-0.951	-0.996
ACIS-I	-0.799	-0.899	-0.988

Quantiles for CAL 87, Obsid 1896
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.504	7.496	0.591	0.005	0.694	0.001
ACIS-S	Q-norm	0.026	0.974	0.038	0.001	0.051	0.000
ACIS-I	keV	0.533	0.006	0.635	0.003	0.737	0.001
ACIS-I	Q-norm	0.030	0.001	0.044	0.000	0.057	0.000