X-ray Hardness

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

Hardness Ratios for AO PSC, Obsid 1898

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.565 0.271 0.725
ACIS-I 0.610 0.515 0.856

Quantiles for AO PSC, Obsid 1898

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 1.336 0.002 2.329 0.009 3.949 0.008

Q-norm 0.135 0.000 0.263 0.001 0.474 0.001
ACIS-I keV 1.526 0.002 2.738 0.009 4.256 0.008

Q-norm 0.159 0.000 0.317 0.001 0.514 0.001

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Hardness Ratios for AO PSC, Obsid 1898
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.565	0.271	0.725
ACIS-I	0.610	0.515	0.856

Quantiles for AO PSC, Obsid 1898
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	1.336	0.002	2.329	0.009	3.949	0.008
ACIS-S	Q-norm	0.135	0.000	0.263	0.001	0.474	0.001
ACIS-I	keV	1.526	0.002	2.738	0.009	4.256	0.008
ACIS-I	Q-norm	0.159	0.000	0.317	0.001	0.514	0.001