X-ray Hardness

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

Hardness Ratios for GX 1+4, Obsid 2710

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.915 0.821 0.991
ACIS-I 0.922 0.854 0.994

Quantiles for GX 1+4, Obsid 2710

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 2.577 0.007 3.687 0.007 4.811 0.007

Q-norm 0.296 0.001 0.440 0.001 0.586 0.001
ACIS-I keV 2.694 0.005 3.818 0.006 4.971 0.006

Q-norm 0.311 0.001 0.457 0.001 0.607 0.001

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Hardness Ratios for GX 1+4, Obsid 2710
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.915	0.821	0.991
ACIS-I	0.922	0.854	0.994

Quantiles for GX 1+4, Obsid 2710
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	2.577	0.007	3.687	0.007	4.811	0.007
ACIS-S	Q-norm	0.296	0.001	0.440	0.001	0.586	0.001
ACIS-I	keV	2.694	0.005	3.818	0.006	4.971	0.006
ACIS-I	Q-norm	0.311	0.001	0.457	0.001	0.607	0.001