Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 6.501 5.94/6.863 6.511 ± 0.6018
ea03 1342 1342/1342 1342 ± 0.000003693 5.723 5.25/6.737 5.938 ± 0.7229
ea04 1342 1342/1342 1342 ± 0.000002611 6.267 5.781/6.767 6.343 ± 0.6658
ea05 1342 1342/1342 1342 ± 0.000002336 6.188 5.869/7.059 6.398 ± 0.7112
ea06 1342 1342/1342 1342 ± 0.000002336 6.398 5.879/6.818 6.379 ± 0.5938
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0.000003303 6.125 5.691/6.759 6.25 ± 0.6188
ea09 1342 1342/1342 1342 ± 0.000001652 6.184 5.58/6.935 6.313 ± 0.6883
ea10 1342 1342/1342 1342 ± 0 7.128 6.792/7.376 7.045 ± 0.4386
ea11 1342 1342/1342 1342 ± 0.000003303 6.239 5.631/6.854 6.327 ± 0.7133
ea12 1342 1342/1342 1342 ± 0.000006287 6.51 5.909/7.066 6.593 ± 0.7095
ea13 1342 1342/1342 1342 ± 0.00000245 5.907 5.499/6.199 5.933 ± 0.4171
ea14 1342 1342/1342 1342 ± 0.000002024 6.616 5.907/6.987 6.577 ± 0.6759
ea15 1342 1342/1342 1342 ± 0.000002611 6.003 5.504/6.623 6.088 ± 0.6441
ea16 1342 1342/1342 1342 ± 0.000002336 6.57 6.01/7.085 6.615 ± 0.7269
ea17 1342 1342/1342 1342 ± 0.000002613 6.897 6.497/7.874 7.091 ± 0.7218
ea18 1342 1342/1342 1342 ± 0.000002861 5.258 4.861/5.647 5.291 ± 0.525
ea19 1342 1342/1342 1342 ± 0.000002023 6.669 6.076/7.337 6.703 ± 0.6973
ea20 1342 1342/1342 1342 ± 0.000002023 5.865 5.688/6.758 6.118 ± 0.6094
ea21 1342 1342/1342 1342 ± 0 5.514 5.33/6.091 5.716 ± 0.4736
ea22 1342 1342/1342 1342 ± 0.000002337 6.31 5.586/6.651 6.174 ± 0.599
ea23 1342 1342/1342 1342 ± 0.000002024 6.31 5.939/6.973 6.514 ± 0.6818
ea24 1342 1342/1342 1342 ± 0.000002024 6.185 5.452/6.631 6.047 ± 0.5825
ea25 1342 1342/1342 1342 ± 0.00000117 6.877 6.058/7.182 6.779 ± 0.7921
ea26 1342 1342/1342 1342 ± 0.000001652 6.748 6.17/7.471 6.833 ± 0.7097
ea27 1342 1342/1342 1342 ± 0.000001169 6.097 5.806/7.05 6.385 ± 0.6468
ea28 1342 1342/1342 1342 ± 0.000001652 6.295 5.965/7.166 6.564 ± 0.6725
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002397 5.892 5.663/6.172 5.842 ± 0.3372
4 1342 1342/1342 1342 ± 0.00002576 5.493 5.276/5.8 5.53 ± 0.4287
5 1342 1342/1342 1342 ± 0.00002397 5.906 5.565/6.041 5.799 ± 0.3703
6 1342 1342/1342 1342 ± 0.00002397 5.782 5.503/5.902 5.694 ± 0.3156
7 1342 1342/1342 1342 ± 0.00002397 5.83 5.568/5.965 5.766 ± 0.3175
8 1342 1342/1342 1342 ± 0.00002397 5.685 5.469/5.987 5.72 ± 0.3716
9 1342 1342/1342 1342 ± 0.00002397 6.044 5.816/6.299 6.015 ± 0.3704
10 1342 1342/1342 1342 ± 0.00002352 6.626 6.268/6.715 6.485 ± 0.3579
11 1342 1342/1342 1342 ± 0.00002352 6.814 6.567/6.993 6.726 ± 0.3733
12 1342 1342/1342 1342 ± 0.00002352 6.93 6.665/7.092 6.865 ± 0.4387
13 1342 1342/1342 1342 ± 0.00002352 7.388 7.104/7.744 7.34 ± 0.4965
14 1342 1342/1342 1342 ± 0.00002352 7.573 7.275/7.883 7.538 ± 0.5011
15 1342 1342/1342 1342 ± 0.00002352 7.094 6.848/7.519 7.139 ± 0.4695
16 1342 1342/1342 1342 ± 0.00002352 6.347 6.064/6.716 6.407 ± 0.4948
17 1342 1342/1342 1342 ± 0.00002352 6.322 6.05/6.616 6.307 ± 0.4848
statwtmode
VLASS-SE
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-06-12 04:51:29.096
End
2025-06-12 05:56:45.396
Duration
1:05:16.300
Note, WebLog generation is not included in the time.

CASA logs for stage 8