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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.012 5.807/6.849 6.346 ± 0.6627
ea02 1342 1342/1342 1342 ± 0 6.322 5.88/7.044 6.464 ± 0.7195
ea03 1342 1342/1342 1342 ± 0.00002345 5.553 5.198/6.714 5.861 ± 0.782
ea04 1342 1342/1342 1342 ± 0 6.044 5.457/6.851 6.152 ± 0.7177
ea06 1342 1342/1342 1342 ± 0 6.608 5.656/6.774 6.306 ± 0.6922
ea07 1342 1342/1342 1342 ± 0 6.117 5.453/6.277 6.032 ± 0.5649
ea08 1342 1342/1342 1342 ± 0.00001773 6.298 5.791/7.091 6.51 ± 0.7039
ea09 1342 1342/1342 1342 ± 0 6.058 5.603/6.994 6.235 ± 0.7256
ea10 1342 1342/1342 1342 ± 0.00001475 6.171 5.558/6.874 6.268 ± 0.6601
ea11 1342 1342/1342 1342 ± 0 6.541 5.676/7.144 6.512 ± 0.7873
ea12 1342 1342/1342 1342 ± 0 6.357 5.762/7.02 6.472 ± 0.7336
ea13 1342 1342/1342 1342 ± 0 6.211 6.03/6.872 6.478 ± 0.5974
ea14 1342 1342/1342 1342 ± 0 6.449 5.684/6.993 6.404 ± 0.7853
ea15 1342 1342/1342 1342 ± 0 6.314 5.598/6.773 6.266 ± 0.7613
ea16 1342 1342/1342 1342 ± 0 6.44 5.841/6.911 6.472 ± 0.7227
ea17 1342 1342/1342 1342 ± 0 6.733 6.254/7.732 6.949 ± 0.7445
ea18 1342 1342/1342 1342 ± 0 5.048 4.666/5.435 5.059 ± 0.4893
ea19 1342 1342/1342 1342 ± 0 6.661 5.925/7.192 6.61 ± 0.7274
ea20 1342 1342/1342 1342 ± 0 6.314 5.794/7.247 6.455 ± 0.7298
ea21 1342 1342/1342 1342 ± 0 6.259 5.686/6.817 6.297 ± 0.6652
ea22 1342 1342/1342 1342 ± 0 6.66 5.741/7.065 6.496 ± 0.7511
ea23 1342 1342/1342 1342 ± 0 6.412 5.915/7.01 6.548 ± 0.7604
ea24 1342 1342/1342 1342 ± 0 6.158 5.401/6.87 6.135 ± 0.7183
ea25 1342 1342/1342 1342 ± 0 6.328 5.444/6.743 6.225 ± 0.8037
ea26 1342 1342/1342 1342 ± 0 6.32 5.841/7.232 6.475 ± 0.7268
ea27 1342 1342/1342 1342 ± 0 6.184 5.675/7.127 6.367 ± 0.7461
ea28 1342 1342/1342 1342 ± 0 6.209 5.785/6.987 6.403 ± 0.7241
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 ± 0.00002308 5.66 5.545/5.778 5.619 ± 0.3069
4 1342 1342/1342 1342 ± 0.00002367 5.527 5.272/5.605 5.446 ± 0.4014
5 1342 1342/1342 1342 ± 0.00002308 5.705 5.466/5.928 5.667 ± 0.354
6 1342 1342/1342 1342 ± 0.00002308 5.628 5.518/5.837 5.626 ± 0.3054
7 1342 1342/1342 1342 ± 0.00002308 5.726 5.521/5.89 5.698 ± 0.2966
8 1342 1342/1342 1342 ± 0.00002308 5.697 5.453/5.863 5.671 ± 0.3233
9 1342 1342/1342 1342 ± 0.00002308 6.03 5.873/6.174 5.996 ± 0.3444
10 1342 1342/1342 1342 ± 0.00002308 6.52 6.32/6.663 6.47 ± 0.3566
11 1342 1342/1342 1342 ± 0.00002308 6.786 6.609/6.953 6.717 ± 0.371
12 1342 1342/1342 1342 ± 0.00002308 6.915 6.732/7.065 6.875 ± 0.398
13 1342 1342/1342 1342 ± 0.00002308 7.43 7.216/7.586 7.371 ± 0.4139
14 1342 1342/1342 1342 ± 0.00002308 7.693 7.465/7.839 7.606 ± 0.409
15 1342 1342/1342 1342 ± 0.00002308 7.322 7.1/7.453 7.223 ± 0.3959
16 1342 1342/1342 1342 ± 0.00002308 6.45 6.341/6.734 6.478 ± 0.4097
17 1342 1342/1342 1342 ± 0.00003288 6.363 6.158/6.696 6.377 ± 0.4189
output_dir
 
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-05-14 10:18:48.508
End
2025-05-14 11:15:30.211
Duration
0:56:41.703
Note, WebLog generation is not included in the time.

CASA logs for stage 8