X-ray Hardness

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

Hardness Ratios for NGC 3227, Obsid 860

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.662 0.254 0.784
ACIS-I 0.695 0.519 0.892

Quantiles for NGC 3227, Obsid 860

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 1.526 0.008 2.606 0.016 4.125 0.014

Q-norm 0.159 0.001 0.299 0.002 0.497 0.002
ACIS-I keV 1.672 0.007 2.957 0.015 4.402 0.014

Q-norm 0.178 0.001 0.345 0.002 0.533 0.002

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Hardness Ratios for NGC 3227, Obsid 860
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.662	0.254	0.784
ACIS-I	0.695	0.519	0.892

Quantiles for NGC 3227, Obsid 860
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	1.526	0.008	2.606	0.016	4.125	0.014
ACIS-S	Q-norm	0.159	0.001	0.299	0.002	0.497	0.002
ACIS-I	keV	1.672	0.007	2.957	0.015	4.402	0.014
ACIS-I	Q-norm	0.178	0.001	0.345	0.002	0.533	0.002