X-ray Hardness

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

Hardness Ratios for 3C273, Obsid 2464

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.055 -0.060 -0.006
ACIS-I 0.114 0.293 0.395

Quantiles for 3C273, Obsid 2464

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.767 0.002 1.161 0.001 1.832 0.001

Q-norm 0.061 0.000 0.112 0.000 0.199 0.000
ACIS-I keV 0.986 0.007 1.409 0.000 2.241 0.008

Q-norm 0.089 0.001 0.144 0.000 0.252 0.001

Observation Preview

Chandra Configuration for the Observation

Return to Search Page

X-Atlas Home

Hardness Ratios for 3C273, Obsid 2464
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.055	-0.060	-0.006
ACIS-I	0.114	0.293	0.395

Quantiles for 3C273, Obsid 2464
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.767	0.002	1.161	0.001	1.832	0.001
ACIS-S	Q-norm	0.061	0.000	0.112	0.000	0.199	0.000
ACIS-I	keV	0.986	0.007	1.409	0.000	2.241	0.008
ACIS-I	Q-norm	0.089	0.001	0.144	0.000	0.252	0.001