X-ray Hardness

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

Hardness Ratios for GRB021004, Obsid 4381

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S -0.015 0.018 0.004
ACIS-I 0.047 0.294 0.337

Quantiles for GRB021004, Obsid 4381

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.810 0.007 1.146 0.010 1.759 0.017

Q-norm 0.066 0.001 0.110 0.001 0.190 0.002
ACIS-I keV 0.956 0.008 1.336 0.011 1.935 0.024

Q-norm 0.085 0.001 0.135 0.001 0.212 0.003

Observation Preview

Chandra Configuration for the Observation

Return to Search Page

X-Atlas Home

Hardness Ratios for GRB021004, Obsid 4381
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	-0.015	0.018	0.004
ACIS-I	0.047	0.294	0.337

Quantiles for GRB021004, Obsid 4381
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.810	0.007	1.146	0.010	1.759	0.017
ACIS-S	Q-norm	0.066	0.001	0.110	0.001	0.190	0.002
ACIS-I	keV	0.956	0.008	1.336	0.011	1.935	0.024
ACIS-I	Q-norm	0.085	0.001	0.135	0.001	0.212	0.003