X-ray Hardness

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

Hardness Ratios for ARK 564, Obsid 863

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S -0.284 -0.143 -0.410
ACIS-I -0.226 0.168 -0.061

Quantiles for ARK 564, Obsid 863

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.694 7.307 0.942 0.004 1.351 0.000

Q-norm 0.051 0.949 0.083 0.001 0.136 0.000
ACIS-I keV 0.840 0.006 1.132 0.001 1.555 0.007

Q-norm 0.070 0.001 0.108 0.000 0.163 0.001

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Hardness Ratios for ARK 564, Obsid 863
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	-0.284	-0.143	-0.410
ACIS-I	-0.226	0.168	-0.061

Quantiles for ARK 564, Obsid 863
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.694	7.307	0.942	0.004	1.351	0.000
ACIS-S	Q-norm	0.051	0.949	0.083	0.001	0.136	0.000
ACIS-I	keV	0.840	0.006	1.132	0.001	1.555	0.007
ACIS-I	Q-norm	0.070	0.001	0.108	0.000	0.163	0.001