X-ray Hardness

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

Hardness Ratios for PKS 2149-306, Obsid 1481

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.215 0.161 0.363
ACIS-I 0.278 0.440 0.639

Quantiles for PKS 2149-306, Obsid 1481

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.956 0.006 1.438 0.007 2.548 0.021

Q-norm 0.085 0.001 0.148 0.001 0.292 0.003
ACIS-I keV 1.146 0.005 1.643 0.008 3.117 0.024

Q-norm 0.110 0.001 0.174 0.001 0.366 0.003

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Hardness Ratios for PKS 2149-306, Obsid 1481
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.215	0.161	0.363
ACIS-I	0.278	0.440	0.639

Quantiles for PKS 2149-306, Obsid 1481
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.956	0.006	1.438	0.007	2.548	0.021
ACIS-S	Q-norm	0.085	0.001	0.148	0.001	0.292	0.003
ACIS-I	keV	1.146	0.005	1.643	0.008	3.117	0.024
ACIS-I	Q-norm	0.110	0.001	0.174	0.001	0.366	0.003