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

Statwt Summary Plot

VLASS3.2.sb45478884.eb45758950.60430.75354622686_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 5.649 5.398/6.319 5.833 ± 0.5565
ea02 1342 1342/1342 1342 ± 0.00002333 5.977 5.604/6.487 6.099 ± 0.6745
ea03 1342 1342/1342 1342 ± 0 6.187 5.425/6.688 6.112 ± 0.6971
ea04 1342 1342/1342 1342 ± 0.00003758 5.544 5.184/6.196 5.659 ± 0.602
ea05 1342 1342/1342 1342 ± 0.00003873 5.684 5.352/6.519 5.996 ± 0.6492
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 5.666 5.352/6.267 5.945 ± 0.6427
ea08 1342 1342/1342 1342 ± 0 6.165 5.632/6.815 6.273 ± 0.649
ea09 1342 1342/1342 1342 ± 0.0000286 5.798 5.136/6.398 5.817 ± 0.6431
ea10 1342 1342/1342 1342 ± 0 5.469 5.063/6.013 5.577 ± 0.5902
ea11 1342 1342/1342 1342 ± 0.00004216 5.444 4.919/6.083 5.508 ± 0.6936
ea12 1342 1342/1342 1342 ± 0.00002943 5.548 5.236/6.302 5.734 ± 0.5929
ea13 1342 1342/1342 1342 ± 0.000001294 6.204 5.517/6.307 6.054 ± 0.556
ea14 1342 1342/1342 1342 ± 0.00002504 6.016 5.663/6.595 6.132 ± 0.5847
ea15 1342 1342/1342 1342 ± 0.00003964 5.995 5.397/6.453 6.018 ± 0.6797
ea16 1342 1342/1342 1342 ± 0 6.263 5.667/6.737 6.255 ± 0.6808
ea17 1342 1342/1342 1342 ± 0 5.982 5.648/6.838 6.191 ± 0.7383
ea18 1342 1342/1342 1342 ± 0 6.181 5.862/6.939 6.399 ± 0.6604
ea19 1342 1342/1342 1342 ± 0 5.58 5.376/6.44 5.901 ± 0.5946
ea20 1342 1342/1342 1342 ± 0.00001221 6.031 5.396/6.458 5.985 ± 0.5894
ea21 1342 1342/1342 1342 ± 0 5.644 5.137/5.943 5.606 ± 0.4967
ea22 1342 1342/1342 1342 ± 0 6.511 5.673/6.946 6.34 ± 0.6801
ea23 1342 1342/1342 1342 ± 0 5.967 5.534/6.379 6.068 ± 0.6308
ea24 1342 1342/1342 1342 ± 0 6.022 5.249/6.456 5.881 ± 0.5817
ea25 1342 1342/1342 1342 ± 0 6.569 5.662/6.889 6.443 ± 0.7878
ea27 1342 1342/1342 1342 ± 0 5.738 5.444/6.465 5.96 ± 0.5659
ea28 1342 1342/1342 1342 ± 0 6.349 5.756/6.94 6.341 ± 0.6364
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 ± 0.00002363 5.507 5.369/5.613 5.484 ± 0.2222
5 1342 1342/1342 1342 ± 0.00003367 5.106 4.917/5.404 5.143 ± 0.3332
6 1342 1342/1342 1342 ± 0.00002591 5.357 5.139/5.533 5.346 ± 0.2963
7 1342 1342/1342 1342 ± 0.00002363 5.447 5.303/5.643 5.449 ± 0.2321
8 1342 1342/1342 1342 ± 0.0000235 5.393 5.216/5.626 5.4 ± 0.2553
9 1342 1342/1342 1342 ± 0.00002363 5.67 5.549/5.969 5.714 ± 0.2777
10 1342 1342/1342 1342 ± 0.0000235 6.138 5.984/6.309 6.132 ± 0.2449
11 1342 1342/1342 1342 ± 0.0000235 6.322 6.163/6.558 6.361 ± 0.2673
12 1342 1342/1342 1342 ± 0.0000235 6.472 6.311/6.702 6.523 ± 0.3045
13 1342 1342/1342 1342 ± 0.0000235 6.928 6.644/7.181 6.94 ± 0.3186
14 1342 1342/1342 1342 ± 0.0000235 7.087 6.814/7.36 7.071 ± 0.3332
15 1342 1342/1342 1342 ± 0.0000235 6.665 6.418/6.902 6.644 ± 0.3339
16 1342 1342/1342 1342 ± 0.00005064 5.617 5.258/6.056 5.679 ± 0.516
17 1342 1342/1342 1342 ± 0.00004838 5.723 5.441/6.133 5.778 ± 0.4715
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
output_dir
 
Start time
2025-07-18 07:09:07.830
End
2025-07-18 08:05:00.835
Duration
0:55:53.005
Note, WebLog generation is not included in the time.

CASA logs for stage 8