X-ray Hardness

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

Hardness Ratios for 3C 120, Obsid 3015

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.096 0.258 0.346
ACIS-I 0.148 0.486 0.592

Quantiles for 3C 120, Obsid 3015

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.971 0.000 1.380 0.001 2.066 0.004

Q-norm 0.087 0.000 0.140 0.000 0.229 0.000
ACIS-I keV 1.117 0.003 1.511 0.007 2.416 0.008

Q-norm 0.106 0.000 0.157 0.001 0.275 0.001

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Hardness Ratios for 3C 120, Obsid 3015
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.096	0.258	0.346
ACIS-I	0.148	0.486	0.592

Quantiles for 3C 120, Obsid 3015
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.971	0.000	1.380	0.001	2.066	0.004
ACIS-S	Q-norm	0.087	0.000	0.140	0.000	0.229	0.000
ACIS-I	keV	1.117	0.003	1.511	0.007	2.416	0.008
ACIS-I	Q-norm	0.106	0.000	0.157	0.001	0.275	0.001