X-ray Hardness

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

Hardness Ratios for 2S 1845-024, Obsid 2691

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.979 0.085 0.982
ACIS-I 0.987 0.069 0.988

Quantiles for 2S 1845-024, Obsid 2691

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 4.820 0.053 6.212 0.068 6.475 0.010

Q-norm 0.587 0.007 0.768 0.009 0.802 0.001
ACIS-I keV 4.928 0.058 6.223 0.026 6.475 0.013

Q-norm 0.601 0.008 0.769 0.003 0.802 0.002

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Hardness Ratios for 2S 1845-024, Obsid 2691
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.979	0.085	0.982
ACIS-I	0.987	0.069	0.988

Quantiles for 2S 1845-024, Obsid 2691
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	4.820	0.053	6.212	0.068	6.475	0.010
ACIS-S	Q-norm	0.587	0.007	0.768	0.009	0.802	0.001
ACIS-I	keV	4.928	0.058	6.223	0.026	6.475	0.013
ACIS-I	Q-norm	0.601	0.008	0.769	0.003	0.802	0.002