X-ray Hardness

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

Hardness Ratios for PG 1211+143, Obsid 4880

Aimpoint HR₁ = (H-M)/(H+M) HR₂ = (M-S)/(M+S) HR₃ = (H-S)/(H+S)
ACIS-S -0.021 -0.253 -0.272
ACIS-I 0.043 0.127 0.169

Quantiles for PG 1211+143, Obsid 4880

Aimpoint Quantiles 25 % 25 % Error 50 % 50 % Error 75 % 75 % Error
ACIS-S keV 0.650 0.007 0.971 0.006 1.555 0.009

Q-norm 0.045 0.001 0.087 0.001 0.163 0.001
ACIS-I keV 0.869 0.007 1.263 0.007 1.891 0.013

Q-norm 0.074 0.001 0.125 0.001 0.207 0.002

Observation Preview

Chandra Configuration for the Observation

Return to Search Page

X-Atlas Home

Hardness Ratios for PG 1211+143, Obsid 4880
Aimpoint	HR₁ = (H-M)/(H+M)	HR₂ = (M-S)/(M+S)	HR₃ = (H-S)/(H+S)
ACIS-S	-0.021	-0.253	-0.272
ACIS-I	0.043	0.127	0.169

Quantiles for PG 1211+143, Obsid 4880
Aimpoint	Quantiles	25 %	25 % Error	50 %	50 % Error	75 %	75 % Error
ACIS-S	keV	0.650	0.007	0.971	0.006	1.555	0.009
ACIS-S	Q-norm	0.045	0.001	0.087	0.001	0.163	0.001
ACIS-I	keV	0.869	0.007	1.263	0.007	1.891	0.013
ACIS-I	Q-norm	0.074	0.001	0.125	0.001	0.207	0.002