X-ray Hardness

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

Hardness Ratios for MARKARIAN 290, Obsid 4399

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S 0.142 -0.049 0.094
ACIS-I 0.197 0.299 0.469

Quantiles for MARKARIAN 290, Obsid 4399

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.781 0.001 1.248 0.006 1.978 0.007

Q-norm 0.062 0.000 0.123 0.001 0.218 0.001
ACIS-I keV 1.044 0.007 1.482 0.007 2.504 0.013

Q-norm 0.097 0.001 0.153 0.001 0.286 0.002

Observation Preview

Chandra Configuration for the Observation

Return to Search Page

X-Atlas Home

Hardness Ratios for MARKARIAN 290, Obsid 4399
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	0.142	-0.049	0.094
ACIS-I	0.197	0.299	0.469

Quantiles for MARKARIAN 290, Obsid 4399
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.781	0.001	1.248	0.006	1.978	0.007
ACIS-S	Q-norm	0.062	0.000	0.123	0.001	0.218	0.001
ACIS-I	keV	1.044	0.007	1.482	0.007	2.504	0.013
ACIS-I	Q-norm	0.097	0.001	0.153	0.001	0.286	0.002