X-ray Hardness

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

Hardness Ratios for 3C 279, Obsid 6867

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.113 0.111 0.221
ACIS-I 0.169 0.410 0.542

Quantiles for 3C 279, Obsid 6867

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.883 0.005 1.321 0.006 2.066 0.012

Q-norm 0.076 0.001 0.133 0.001 0.229 0.002
ACIS-I keV 1.073 0.004 1.497 0.007 2.519 0.021

Q-norm 0.100 0.001 0.155 0.001 0.288 0.003

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Hardness Ratios for 3C 279, Obsid 6867
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.113	0.111	0.221
ACIS-I	0.169	0.410	0.542

Quantiles for 3C 279, Obsid 6867
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.883	0.005	1.321	0.006	2.066	0.012
ACIS-S	Q-norm	0.076	0.001	0.133	0.001	0.229	0.002
ACIS-I	keV	1.073	0.004	1.497	0.007	2.519	0.021
ACIS-I	Q-norm	0.100	0.001	0.155	0.001	0.288	0.003