X-ray Hardness

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

Hardness Ratios for SS CYG, Obsid 2307

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.019 0.004 0.023
ACIS-I 0.090 0.277 0.358

Quantiles for SS CYG, Obsid 2307

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.810 0.004 1.132 0.001 1.862 0.004

Q-norm 0.066 0.001 0.108 0.000 0.203 0.000
ACIS-I keV 0.956 0.001 1.365 0.004 2.241 0.013

Q-norm 0.085 0.000 0.138 0.000 0.252 0.002

Observation Preview

Chandra Configuration for the Observation

Return to Search Page

X-Atlas Home

Hardness Ratios for SS CYG, Obsid 2307
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.019	0.004	0.023
ACIS-I	0.090	0.277	0.358

Quantiles for SS CYG, Obsid 2307
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.810	0.004	1.132	0.001	1.862	0.004
ACIS-S	Q-norm	0.066	0.001	0.108	0.000	0.203	0.000
ACIS-I	keV	0.956	0.001	1.365	0.004	2.241	0.013
ACIS-I	Q-norm	0.085	0.000	0.138	0.000	0.252	0.002