X-ray Hardness

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

Hardness Ratios for SS CYG, Obsid 648

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.087 0.047 0.133
ACIS-I 0.159 0.311 0.447

Quantiles for SS CYG, Obsid 648

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.854 0.000 1.219 0.005 2.037 0.003

Q-norm 0.072 0.000 0.119 0.001 0.226 0.000
ACIS-I keV 1.000 0.000 1.453 0.004 2.621 0.009

Q-norm 0.091 0.000 0.150 0.001 0.301 0.001

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Hardness Ratios for SS CYG, Obsid 648
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.087	0.047	0.133
ACIS-I	0.159	0.311	0.447

Quantiles for SS CYG, Obsid 648
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.854	0.000	1.219	0.005	2.037	0.003
ACIS-S	Q-norm	0.072	0.000	0.119	0.001	0.226	0.000
ACIS-I	keV	1.000	0.000	1.453	0.004	2.621	0.009
ACIS-I	Q-norm	0.091	0.000	0.150	0.001	0.301	0.001