X-ray Hardness

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

Hardness Ratios for PDS 456, Obsid 4063

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.309 0.137 0.428
ACIS-I 0.359 0.397 0.662

Quantiles for PDS 456, Obsid 4063

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 1.000 0.007 1.555 0.007 2.723 0.014

Q-norm 0.091 0.001 0.163 0.001 0.315 0.002
ACIS-I keV 1.205 0.007 1.716 0.007 3.132 0.018

Q-norm 0.117 0.001 0.184 0.001 0.368 0.002

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Hardness Ratios for PDS 456, Obsid 4063
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.309	0.137	0.428
ACIS-I	0.359	0.397	0.662

Quantiles for PDS 456, Obsid 4063
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	1.000	0.007	1.555	0.007	2.723	0.014
ACIS-S	Q-norm	0.091	0.001	0.163	0.001	0.315	0.002
ACIS-I	keV	1.205	0.007	1.716	0.007	3.132	0.018
ACIS-I	Q-norm	0.117	0.001	0.184	0.001	0.368	0.002