X-ray Hardness

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

Hardness Ratios for NGC 3516, Obsid 831

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.485 0.113 0.567
ACIS-I 0.531 0.449 0.791

Quantiles for NGC 3516, Obsid 831

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 1.146 0.008 1.847 0.010 3.438 0.018

Q-norm 0.110 0.001 0.201 0.001 0.408 0.002
ACIS-I keV 1.394 0.007 2.168 0.021 3.847 0.018

Q-norm 0.142 0.001 0.243 0.003 0.461 0.002

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Hardness Ratios for NGC 3516, Obsid 831
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.485	0.113	0.567
ACIS-I	0.531	0.449	0.791

Quantiles for NGC 3516, Obsid 831
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	1.146	0.008	1.847	0.010	3.438	0.018
ACIS-S	Q-norm	0.110	0.001	0.201	0.001	0.408	0.002
ACIS-I	keV	1.394	0.007	2.168	0.021	3.847	0.018
ACIS-I	Q-norm	0.142	0.001	0.243	0.003	0.461	0.002