X-ray Hardness

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

Hardness Ratios for NGC 3783, Obsid 2091

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.464 0.258 0.645
ACIS-I 0.498 0.546 0.821

Quantiles for NGC 3783, Obsid 2091

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 1.234 0.000 1.832 0.007 3.219 0.007

Q-norm 0.121 0.000 0.199 0.001 0.379 0.001
ACIS-I keV 1.394 0.002 1.993 0.006 3.555 0.006

Q-norm 0.142 0.000 0.220 0.001 0.423 0.001

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Hardness Ratios for NGC 3783, Obsid 2091
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.464	0.258	0.645
ACIS-I	0.498	0.546	0.821

Quantiles for NGC 3783, Obsid 2091
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	1.234	0.000	1.832	0.007	3.219	0.007
ACIS-S	Q-norm	0.121	0.000	0.199	0.001	0.379	0.001
ACIS-I	keV	1.394	0.002	1.993	0.006	3.555	0.006
ACIS-I	Q-norm	0.142	0.000	0.220	0.001	0.423	0.001