X-ray Hardness

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

Hardness Ratios for MKN 421, Obsid 457

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S -0.337 -0.158 -0.470
ACIS-I -0.288 0.167 -0.127

Quantiles for MKN 421, Obsid 457

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.664 0.000 0.927 0.001 1.307 0.004

Q-norm 0.047 0.000 0.081 0.000 0.131 0.001
ACIS-I keV 0.825 0.007 1.117 0.007 1.497 0.006

Q-norm 0.068 0.001 0.106 0.001 0.155 0.001

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Hardness Ratios for MKN 421, Obsid 457
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	-0.337	-0.158	-0.470
ACIS-I	-0.288	0.167	-0.127

Quantiles for MKN 421, Obsid 457
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.664	0.000	0.927	0.001	1.307	0.004
ACIS-S	Q-norm	0.047	0.000	0.081	0.000	0.131	0.001
ACIS-I	keV	0.825	0.007	1.117	0.007	1.497	0.006
ACIS-I	Q-norm	0.068	0.001	0.106	0.001	0.155	0.001