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 5.939 5.716/6.485 6.123 ± 0.4959
ea02 1342 1342/1342 1342 ± 0 6.08 5.681/6.665 6.189 ± 0.5617
ea03 1342 1342/1342 1342 ± 0.000003811 5.21 5.12/6.334 5.607 ± 0.6195
ea04 1342 1342/1342 1342 ± 0 5.57 5.224/5.99 5.679 ± 0.501
ea06 1342 1342/1342 1342 ± 0 6.031 5.483/6.35 5.978 ± 0.5135
ea07 1342 1342/1342 1342 ± 0 5.677 5.385/5.806 5.66 ± 0.3886
ea08 1342 1342/1342 1342 ± 0.000001127 6.061 5.935/6.707 6.319 ± 0.5317
ea09 1342 1342/1342 1342 ± 0 5.961 5.476/6.588 6.011 ± 0.5819
ea10 1342 1342/1342 1342 ± 0 5.64 5.501/6.394 5.893 ± 0.5091
ea11 1342 1342/1342 1342 ± 0 6.069 5.681/6.645 6.212 ± 0.6037
ea12 1342 1342/1342 1342 ± 0 6.008 5.647/6.555 6.127 ± 0.561
ea13 1342 1342/1342 1342 ± 0 6.21 5.687/6.507 6.184 ± 0.512
ea14 1342 1342/1342 1342 ± 0 5.944 5.545/6.45 6.02 ± 0.5833
ea15 1342 1342/1342 1342 ± 0 5.776 5.432/6.366 5.916 ± 0.6011
ea16 1342 1342/1342 1342 ± 0 5.987 5.609/6.411 6.067 ± 0.5132
ea17 1342 1342/1342 1342 ± 0 6.503 6.175/7.148 6.611 ± 0.5449
ea18 1342 1342/1342 1342 ± 0 4.797 4.487/5.03 4.781 ± 0.339
ea19 1342 1342/1342 1342 ± 0 6.044 5.807/6.736 6.264 ± 0.5409
ea20 1342 1342/1342 1342 ± 0 5.915 5.768/6.777 6.186 ± 0.5443
ea21 1342 1342/1342 1342 ± 0.000009792 5.792 5.562/6.39 6.015 ± 0.4924
ea22 1342 1342/1342 1342 ± 0 6.148 5.69/6.607 6.134 ± 0.5245
ea23 1342 1342/1342 1342 ± 0 5.894 5.771/6.64 6.239 ± 0.607
ea24 1342 1342/1342 1342 ± 0 5.952 5.408/6.491 5.91 ± 0.5407
ea25 1342 1342/1342 1342 ± 0 5.936 5.328/6.055 5.86 ± 0.583
ea26 1342 1342/1342 1342 ± 0 6.081 5.688/6.773 6.175 ± 0.5448
ea27 1342 1342/1342 1342 ± 0 5.824 5.607/6.672 6.046 ± 0.5798
ea28 1342 1342/1342 1342 ± 0 5.766 5.609/6.565 6.075 ± 0.5818
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 ± 0.00002309 5.728 5.614/5.9 5.695 ± 0.3217
4 1342 1342/1342 1342 ± 0.0000259 5.376 5.084/5.583 5.325 ± 0.4328
5 1342 1342/1342 1342 ± 0.00002309 5.645 5.424/5.884 5.615 ± 0.3734
6 1342 1342/1342 1342 ± 0.00002309 5.5 5.391/5.699 5.489 ± 0.3043
7 1342 1342/1342 1342 ± 0.00002309 5.555 5.407/5.735 5.539 ± 0.2985
8 1342 1342/1342 1342 ± 0.00002309 5.492 5.275/5.683 5.467 ± 0.3195
9 1342 1342/1342 1342 ± 0.00002309 5.765 5.667/5.936 5.74 ± 0.3434
10 1342 1342/1342 1342 ± 0.00002309 6.204 5.969/6.369 6.128 ± 0.3632
11 1342 1342/1342 1342 ± 0.00002309 6.406 6.244/6.535 6.323 ± 0.3649
12 1342 1342/1342 1342 ± 0.00002309 6.499 6.341/6.647 6.44 ± 0.3991
13 1342 1342/1342 1342 ± 0.00002309 6.868 6.671/7.047 6.828 ± 0.4114
14 1342 1342/1342 1342 ± 0.00002309 7.091 6.903/7.184 6.998 ± 0.3931
15 1342 1342/1342 1342 ± 0.00002309 6.751 6.529/6.897 6.666 ± 0.3941
16 1342 1342/1342 1342 ± 0.00002326 5.995 5.69/6.116 5.911 ± 0.3626
17 1342 1342/1342 1342 ± 0.00002409 5.931 5.68/5.989 5.825 ± 0.3298
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-05-14 10:54:04.883
End
2025-05-14 12:11:04.808
Duration
1:16:59.925
Note, WebLog generation is not included in the time.

CASA logs for stage 8