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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.091 5.802/6.742 6.21 ± 0.7255
ea02 1342 1342/1342 1342 ± 0 6.259 5.687/6.657 6.251 ± 0.714
ea03 1342 1342/1342 1342 ± 0 6.191 5.475/6.775 6.102 ± 0.79
ea04 1342 1342/1342 1342 ± 0 5.666 5.19/6.107 5.672 ± 0.6745
ea05 1342 1342/1342 1342 ± 0 5.971 5.526/6.509 5.993 ± 0.7415
ea06 1342 1342/1342 1342 ± 0 5.889 5.239/6.234 5.77 ± 0.7442
ea07 1342 1342/1342 1342 ± 0 6.293 5.451/6.727 6.117 ± 0.7704
ea08 1342 1342/1342 1342 ± 0 6.853 5.833/7.021 6.542 ± 0.7231
ea09 1342 1342/1342 1342 ± 0 5.748 5.257/6.374 5.773 ± 0.8616
ea10 1342 1342/1342 1342 ± 0 5.821 5.276/6.231 5.734 ± 0.7426
ea11 1342 1342/1342 1342 ± 0 5.866 5.509/6.546 5.958 ± 0.7601
ea12 1342 1342/1342 1342 ± 0 5.598 5.35/6.236 5.778 ± 0.6908
ea13 1342 1342/1342 1342 ± 0 6.041 5.6/6.395 5.935 ± 0.9212
ea14 1342 1342/1342 1342 ± 0 6.068 5.745/6.608 6.136 ± 0.6913
ea15 1342 1342/1342 1342 ± 0 6.799 6.667/7.336 6.976 ± 0.445
ea17 1342 1342/1342 1342 ± 0 6.218 5.855/7.081 6.409 ± 0.8106
ea18 1342 1342/1342 1342 ± 0 6.376 5.901/7.007 6.461 ± 0.6997
ea19 1342 1342/1342 1342 ± 0 6.012 5.62/6.59 6.069 ± 0.7222
ea20 1342 1342/1342 1342 ± 0 6.48 6.002/7.114 6.59 ± 0.6901
ea21 1342 1342/1342 1342 ± 0 5.446 5.184/5.954 5.558 ± 0.5558
ea22 1342 1342/1342 1342 ± 0 6.131 5.651/6.609 6.139 ± 0.6615
ea23 1342 1342/1342 1342 ± 0 6.26 5.675/6.534 6.167 ± 0.8199
ea24 1342 1342/1342 1342 ± 0 6.261 5.364/6.644 6.004 ± 0.651
ea25 1342 1342/1342 1342 ± 0 6.434 5.786/7.084 6.49 ± 0.8741
ea27 1342 1342/1342 1342 ± 0 5.638 5.237/6.384 5.727 ± 0.7051
ea28 1342 1342/1342 1342 ± 0 6.336 5.887/7.121 6.506 ± 0.685
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 ± 0.00002392 5.609 5.377/5.77 5.606 ± 0.248
3 1342 1342/1342 1342 ± 0.00002439 4.448 4.137/4.886 4.492 ± 0.6285
4 1342 1342/1342 1342 ± 0.00002513 5.327 5.164/5.679 5.391 ± 0.2852
5 1342 1342/1342 1342 ± 0.00002392 5.629 5.315/5.867 5.61 ± 0.2979
6 1342 1342/1342 1342 ± 0.00002392 5.596 5.351/5.787 5.546 ± 0.2802
7 1342 1342/1342 1342 ± 0.00002392 5.666 5.456/5.837 5.627 ± 0.2521
8 1342 1342/1342 1342 ± 0.00002392 5.522 5.251/5.809 5.543 ± 0.3075
9 1342 1342/1342 1342 ± 0.00002392 5.814 5.653/6.101 5.842 ± 0.3052
10 1342 1342/1342 1342 ± 0.00002349 6.339 6.192/6.464 6.314 ± 0.2813
11 1342 1342/1342 1342 ± 0.00002349 6.521 6.285/6.722 6.521 ± 0.2865
12 1342 1342/1342 1342 ± 0.00002349 6.663 6.42/6.791 6.66 ± 0.3291
13 1342 1342/1342 1342 ± 0.00002349 7.135 6.811/7.475 7.133 ± 0.3585
14 1342 1342/1342 1342 ± 0.00002349 7.291 7.026/7.648 7.323 ± 0.3731
15 1342 1342/1342 1342 ± 0.00002349 6.885 6.576/7.195 6.908 ± 0.377
16 1342 1342/1342 1342 ± 0.00002349 6.368 6.087/6.789 6.409 ± 0.42
17 1342 1342/1342 1342 ± 0.00002349 6.386 6.064/6.674 6.367 ± 0.4038
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-29 10:05:24.273
End
2025-07-29 11:17:45.179
Duration
1:12:20.905
Note, WebLog generation is not included in the time.

CASA logs for stage 8