X-ray Hardness

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

Hardness Ratios for SS CYGNI, Obsid 646

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.145 0.220 0.354
ACIS-I 0.204 0.456 0.604

Quantiles for SS CYGNI, Obsid 646

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.956 7.044 1.394 0.000 2.285 0.007

Q-norm 0.085 0.915 0.142 0.000 0.258 0.001
ACIS-I keV 1.102 6.898 1.555 0.000 2.723 0.005

Q-norm 0.104 0.896 0.163 0.000 0.315 0.001

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Hardness Ratios for SS CYGNI, Obsid 646
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.145	0.220	0.354
ACIS-I	0.204	0.456	0.604

Quantiles for SS CYGNI, Obsid 646
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.956	7.044	1.394	0.000	2.285	0.007
ACIS-S	Q-norm	0.085	0.915	0.142	0.000	0.258	0.001
ACIS-I	keV	1.102	6.898	1.555	0.000	2.723	0.005
ACIS-I	Q-norm	0.104	0.896	0.163	0.000	0.315	0.001