X-ray Hardness

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

Hardness Ratios for 4U 0241+61, Obsid 2297

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.581 0.681 0.904
ACIS-I 0.603 0.831 0.955

Quantiles for 4U 0241+61, Obsid 2297

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 1.526 0.005 2.124 0.011 3.526 0.015

Q-norm 0.159 0.001 0.237 0.001 0.419 0.002
ACIS-I keV 1.584 0.006 2.300 0.015 3.760 0.017

Q-norm 0.167 0.001 0.260 0.002 0.449 0.002

Observation Preview

Chandra Configuration for the Observation

Return to Search Page

X-Atlas Home

Hardness Ratios for 4U 0241+61, Obsid 2297
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.581	0.681	0.904
ACIS-I	0.603	0.831	0.955

Quantiles for 4U 0241+61, Obsid 2297
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	1.526	0.005	2.124	0.011	3.526	0.015
ACIS-S	Q-norm	0.159	0.001	0.237	0.001	0.419	0.002
ACIS-I	keV	1.584	0.006	2.300	0.015	3.760	0.017
ACIS-I	Q-norm	0.167	0.001	0.260	0.002	0.449	0.002