X-ray Hardness

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

Hardness Ratios for NGC 4151, Obsid 3089

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.818 0.003 0.819
ACIS-I 0.841 0.364 0.923

Quantiles for NGC 4151, Obsid 3089

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 1.891 0.005 3.176 0.004 4.460 0.004

Q-norm 0.207 0.001 0.373 0.001 0.540 0.001
ACIS-I keV 2.168 0.006 3.438 0.007 4.709 0.007

Q-norm 0.243 0.001 0.408 0.001 0.573 0.001

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Hardness Ratios for NGC 4151, Obsid 3089
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.818	0.003	0.819
ACIS-I	0.841	0.364	0.923

Quantiles for NGC 4151, Obsid 3089
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	1.891	0.005	3.176	0.004	4.460	0.004
ACIS-S	Q-norm	0.207	0.001	0.373	0.001	0.540	0.001
ACIS-I	keV	2.168	0.006	3.438	0.007	4.709	0.007
ACIS-I	Q-norm	0.243	0.001	0.408	0.001	0.573	0.001