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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.192 5.07/6.156 5.56 ± 0.7729
ea02 1342 1342/1342 1342 ± 0.00004684 6.251 5.032/6.868 5.955 ± 1.005
ea04 1342 1342/1342 1342 ± 0.00002146 5.471 4.939/6.115 5.482 ± 0.7804
ea05 1342 1342/1342 1342 ± 0.000009043 5.519 4.975/6.329 5.714 ± 0.8084
ea06 1342 1342/1342 1342 ± 0.00003354 4.703 4.279/5.339 4.833 ± 0.6303
ea07 1342 1342/1342 1342 ± 0.00004063 5.584 5.255/6.348 5.831 ± 0.9338
ea08 1342 1342/1342 1342 ± 0.00004244 5.647 5.33/6.837 6.051 ± 1.013
ea09 1342 1342/1342 1342 ± 0.00002779 5.584 5.006/6.578 5.725 ± 0.8262
ea10 1342 1342/1342 1342 ± 0.00004344 5.541 5.074/6.719 5.781 ± 1.002
ea11 1342 1342/1342 1342 ± 0.00004541 6.117 4.843/6.503 5.7 ± 0.9962
ea12 1342 1342/1342 1342 ± 0.00003846 5.644 5.069/6.469 5.738 ± 0.9138
ea13 1342 1342/1342 1342 ± 0.00001698 5.669 5.275/6.378 5.915 ± 0.7697
ea14 1342 1342/1342 1342 ± 0.0000353 5.316 5.065/6.451 5.683 ± 0.8987
ea15 1342 1342/1342 1342 ± 0.00001742 5.084 4.917/6.255 5.562 ± 0.917
ea16 1342 1342/1342 1342 ± 0.00002016 5.648 5.24/6.921 6.002 ± 1.079
ea17 1342 1342/1342 1342 ± 0.00004259 5.659 5.382/7 5.966 ± 0.9451
ea18 1342 1342/1342 1342 ± 0.00004325 4.785 4.572/5.711 5.046 ± 0.6616
ea19 1342 1342/1342 1342 ± 0.00001976 5.773 5.432/6.924 6.079 ± 0.9108
ea20 1342 1342/1342 1342 ± 0.00004208 5.887 5.564/6.857 6.079 ± 0.9847
ea21 1342 1342/1342 1342 ± 0.00002357 5.442 5.236/6.451 5.717 ± 0.8702
ea22 1342 1342/1342 1342 ± 0.00003873 5.119 4.869/6.39 5.579 ± 0.8039
ea23 1342 1342/1342 1342 ± 0.00004252 6.081 5.226/6.74 5.893 ± 1.094
ea25 1342 1342/1342 1342 ± 0.00004404 5.227 5.035/6.358 5.561 ± 0.8617
ea26 1342 1342/1342 1342 ± 0.00002494 5.641 5.541/7.018 6.095 ± 0.8738
ea27 1342 1342/1342 1342 ± 0.00004318 5.392 5.245/6.585 5.706 ± 0.8644
ea28 1342 1342/1342 1342 ± 0.00004406 5.606 5.212/6.598 5.84 ± 0.9963
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 ± 0.0000235 5.351 5.065/5.573 5.312 ± 0.305
6 1342 1342/1342 1342 ± 0.0000235 5.159 4.937/5.279 5.095 ± 0.2922
7 1342 1342/1342 1342 ± 0.0000239 5.189 5.023/5.287 5.134 ± 0.2899
8 1342 1342/1342 1342 ± 0.0000235 5.086 4.978/5.257 5.1 ± 0.302
9 1342 1342/1342 1342 ± 0.00002651 5.375 5.099/5.62 5.335 ± 0.291
10 1342 1342/1342 1342 ± 0.00002349 6.081 5.889/6.236 6.018 ± 0.3277
11 1342 1342/1342 1342 ± 0.00002349 6.35 6.156/6.487 6.297 ± 0.3428
12 1342 1342/1342 1342 ± 0.00002349 6.547 6.365/6.689 6.504 ± 0.3766
13 1342 1342/1342 1342 ± 0.00002349 7.007 6.721/7.207 6.932 ± 0.4113
14 1342 1342/1342 1342 ± 0.00002349 7.185 7.004/7.44 7.143 ± 0.454
15 1342 1342/1342 1342 ± 0.00002388 6.625 6.356/6.994 6.591 ± 0.4945
16 1342 1342/1342 1342 ± 0.00005697 4.409 4.257/4.625 4.433 ± 0.2394
17 1342 1342/1342 1342 ± 0.00005954 4.407 4.268/4.715 4.478 ± 0.2895
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-29 05:47:24.302
End
2025-01-29 06:20:07.972
Duration
0:32:43.670
Note, WebLog generation is not included in the time.

CASA logs for stage 8