X-ray Hardness

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

Hardness Ratios for 2S 1845-024, Obsid 2690

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.986 -0.756 0.902
ACIS-I 0.990 -0.524 0.968

Quantiles for 2S 1845-024, Obsid 2690

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 4.533 0.036 5.526 0.033 6.402 0.021

Q-norm 0.550 0.005 0.679 0.004 0.792 0.003
ACIS-I keV 4.752 0.037 5.672 0.030 6.446 0.021

Q-norm 0.578 0.005 0.698 0.004 0.798 0.003

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Hardness Ratios for 2S 1845-024, Obsid 2690
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.986	-0.756	0.902
ACIS-I	0.990	-0.524	0.968

Quantiles for 2S 1845-024, Obsid 2690
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	4.533	0.036	5.526	0.033	6.402	0.021
ACIS-S	Q-norm	0.550	0.005	0.679	0.004	0.792	0.003
ACIS-I	keV	4.752	0.037	5.672	0.030	6.446	0.021
ACIS-I	Q-norm	0.578	0.005	0.698	0.004	0.798	0.003