X-ray Hardness

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

Hardness Ratios for U GEM, Obsid 647

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.014 0.309 0.321
ACIS-I 0.076 0.504 0.559

Quantiles for U GEM, Obsid 647

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.956 0.000 1.307 0.003 2.008 0.007

Q-norm 0.085 0.000 0.131 0.000 0.222 0.001
ACIS-I keV 1.059 0.005 1.453 0.007 2.329 0.013

Q-norm 0.099 0.001 0.150 0.001 0.263 0.002

Observation Preview

Chandra Configuration for the Observation

Return to Search Page

X-Atlas Home

Hardness Ratios for U GEM, Obsid 647
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.014	0.309	0.321
ACIS-I	0.076	0.504	0.559

Quantiles for U GEM, Obsid 647
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.956	0.000	1.307	0.003	2.008	0.007
ACIS-S	Q-norm	0.085	0.000	0.131	0.000	0.222	0.001
ACIS-I	keV	1.059	0.005	1.453	0.007	2.329	0.013
ACIS-I	Q-norm	0.099	0.001	0.150	0.001	0.263	0.002