X-ray Hardness

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

Hardness Ratios for 1E 1740.7-2942, Obsid 3670

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.995 0.459 0.998
ACIS-I 0.996 0.131 0.997

Quantiles for 1E 1740.7-2942, Obsid 3670

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 3.263 0.008 3.847 0.009 4.577 0.010

Q-norm 0.385 0.001 0.461 0.001 0.555 0.001
ACIS-I keV 3.278 0.008 3.876 0.009 4.621 0.011

Q-norm 0.387 0.001 0.464 0.001 0.561 0.001

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Hardness Ratios for 1E 1740.7-2942, Obsid 3670
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.995	0.459	0.998
ACIS-I	0.996	0.131	0.997

Quantiles for 1E 1740.7-2942, Obsid 3670
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	3.263	0.008	3.847	0.009	4.577	0.010
ACIS-S	Q-norm	0.385	0.001	0.461	0.001	0.555	0.001
ACIS-I	keV	3.278	0.008	3.876	0.009	4.621	0.011
ACIS-I	Q-norm	0.387	0.001	0.464	0.001	0.561	0.001