X-ray Hardness

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

Hardness Ratios for TT Ari, Obsid 7176

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S -0.048 0.189 0.143
ACIS-I 0.019 0.424 0.440

Quantiles for TT Ari, Obsid 7176

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.898 0.007 1.190 0.007 1.832 0.011

Q-norm 0.078 0.001 0.116 0.001 0.199 0.001
ACIS-I keV 1.000 0.007 1.365 0.008 2.022 0.016

Q-norm 0.091 0.001 0.138 0.001 0.224 0.002

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Hardness Ratios for TT Ari, Obsid 7176
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	-0.048	0.189	0.143
ACIS-I	0.019	0.424	0.440

Quantiles for TT Ari, Obsid 7176
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.898	0.007	1.190	0.007	1.832	0.011
ACIS-S	Q-norm	0.078	0.001	0.116	0.001	0.199	0.001
ACIS-I	keV	1.000	0.007	1.365	0.008	2.022	0.016
ACIS-I	Q-norm	0.091	0.001	0.138	0.001	0.224	0.002