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Table 4

Respective values of σrand and systematic errors.

System Parameter value σrand σsky σxs σys σIs σxg σyg Total error

MG0414+0534
reff (′′) 0.737 0.034 0.010 0.029 0.029 0.028 0.017 0.073 0.096
ε 0.150 0.032 0.003 0.020 0.020 0.030 0.006 0.020 0.056
PA (deg) 102.723 4.032 0.097 0.000 0.000 0.250 0.417 1.930 4.498
HE0435-1223
reff (′′) 0.901 0.021 0.001 0.026 0.027 0.034 0.030 0.034 0.071
ε 0.218 0.019 0.023 0.060 0.060 0.050 0.005 0.010 0.103
PA (deg) 13.040 2.452 3.000 1.000 2.000 0.750 0.750 0.188 4.602
RXJ0911+0551
reff (′′) 0.878 0.058 0.018 0.105 0.102 0.063 0.077 0.007 0.187
ε 0.128 0.020 0.001 0.045 0.045 0.015 0.005 0.005 0.069
PA (deg) 15.595 2.413 0.125 0.250 0.250 0.250 0.688 0.219 2.558
SDSS0924+0219
reff (′′) 0.295 0.010 0.031 0.009 0.009 0.009 0.007 0.025 0.044
ε 0.090 0.013 0.004 0.020 0.020 0.020 0.033 0.014 0.051
PA (deg) 10.011 4.983 0.065 0.000 0.250 0.250 9.641 1.828 11.011
PG1115+080
reff (′′) 0.433 0.009 0.041 0.032 0.032 0.032 0.017 0.047 0.086
ε 0.035 0.014 0.143 0.001 0.001 0.001 0.060 0.068 0.169
PA (deg) –95.197 8.647 0.125 0.250 0.250 0.250 0.000 1.344 8.762
SDSS1138+0314
reff (′′) 0.352 0.015 0.000 0.002 0.002 0.005 0.008 0.039 0.043
ε 0.000 0.024 0.055 0.040 0.040 0.010 0.033 0.023 0.092
PA (deg) –46.397 3.884 0.000 8.000 0.250 0.500 2.594 3.438 9.896
B1422+231
reff (”) 0.114 0.023 0.014 0.030 0.026 0.027 0.015 0.014 0.059
ε 0.258 0.048 0.011 0.045 0.035 0.065 0.033 0.000 0.105
PA (deg) 49.508 1.366 0.130 0.000 2.250 0.250 0.344 1.156 2.909

Notes. Systematic errors sources are, in that order: the background sky, the x- and y- positions of the point sources, their intensities, and the galaxy centre coordinates.

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