X-ray Hardness

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

Hardness Ratios for CYG X-2, Obsid 87

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.268 0.320 0.542
ACIS-I 0.315 0.579 0.756

Quantiles for CYG X-2, Obsid 87

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error

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Hardness Ratios for CYG X-2, Obsid 87
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.268	0.320	0.542
ACIS-I	0.315	0.579	0.756

Quantiles for CYG X-2, Obsid 87
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error