X-ray Hardness

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

Hardness Ratios for X1908+075: Low N_H, Obsid 5476

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.991 -0.064 0.990
ACIS-I 0.992 0.155 0.994

Quantiles for X1908+075: Low N_H, Obsid 5476

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 3.380 0.007 4.285 0.007 5.293 0.008

Q-norm 0.400 0.001 0.518 0.001 0.648 0.001
ACIS-I keV 3.468 0.007 4.387 0.008 5.424 0.008

Q-norm 0.411 0.001 0.531 0.001 0.665 0.001

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Hardness Ratios for X1908+075: Low N_H, Obsid 5476
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.991	-0.064	0.990
ACIS-I	0.992	0.155	0.994

Quantiles for X1908+075: Low N_H, Obsid 5476
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	3.380	0.007	4.285	0.007	5.293	0.008
ACIS-S	Q-norm	0.400	0.001	0.518	0.001	0.648	0.001
ACIS-I	keV	3.468	0.007	4.387	0.008	5.424	0.008
ACIS-I	Q-norm	0.411	0.001	0.531	0.001	0.665	0.001