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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.096 4.998/5.655 5.289 ± 0.442
ea02 1342 1342/1342 1342 ± 0 6.136 5.646/6.474 6.229 ± 0.6023
ea03 1342 1342/1342 1342 ± 0 6.092 5.442/6.723 6.127 ± 0.7044
ea04 1342 1342/1342 1342 ± 0.00002981 5.535 5.269/6.106 5.693 ± 0.5238
ea05 1342 1342/1342 1342 ± 0.00002877 5.667 5.397/6.574 5.894 ± 0.6599
ea06 1342 1342/1342 1342 ± 0 5.901 5.07/6.06 5.735 ± 0.6217
ea07 1342 1342/1342 1342 ± 0 5.901 5.268/6.281 5.901 ± 0.6866
ea08 1342 1342/1342 1342 ± 0 6.221 5.668/6.836 6.347 ± 0.6623
ea09 1342 1342/1342 1342 ± 0.000005378 5.587 5.169/6.436 5.697 ± 0.653
ea10 1342 1342/1342 1342 ± 0 5.417 5.131/6.07 5.557 ± 0.5605
ea11 1342 1342/1342 1342 ± 0.0000413 5.368 4.945/6.208 5.558 ± 0.6701
ea12 1342 1342/1342 1342 ± 0.00003417 5.508 5.271/6.289 5.758 ± 0.5817
ea13 1342 1342/1342 1342 ± 0 5.858 5.656/6.465 6.026 ± 0.6529
ea14 1342 1342/1342 1342 ± 0 5.89 5.614/6.609 6.121 ± 0.5864
ea15 1342 1342/1342 1342 ± 0.00003564 5.89 5.679/6.744 6.168 ± 0.7207
ea17 1342 1342/1342 1342 ± 0 6.113 5.789/7.045 6.327 ± 0.6733
ea18 1342 1342/1342 1342 ± 0 6.418 5.853/7.088 6.42 ± 0.6749
ea19 1342 1342/1342 1342 ± 0.00003013 5.744 5.404/6.509 5.932 ± 0.6127
ea20 1342 1342/1342 1342 ± 0 5.905 5.66/6.757 6.094 ± 0.637
ea21 1342 1342/1342 1342 ± 0 5.345 5.116/5.922 5.565 ± 0.5039
ea22 1342 1342/1342 1342 ± 0 6.258 5.88/6.927 6.356 ± 0.675
ea23 1342 1342/1342 1342 ± 0 5.725 5.488/6.398 6.022 ± 0.6567
ea24 1342 1342/1342 1342 ± 0 5.92 5.382/6.655 5.953 ± 0.6419
ea25 1342 1342/1342 1342 ± 0 6.463 5.704/6.924 6.463 ± 0.7807
ea28 1342 1342/1342 1342 ± 0 6.007 5.757/7.026 6.312 ± 0.6537
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 ± 0.00002393 5.494 5.265/5.674 5.484 ± 0.2993
4 1342 1342/1342 1342 ± 0.00002671 5.067 4.881/5.211 5.048 ± 0.3228
5 1342 1342/1342 1342 ± 0.00002393 5.395 5.243/5.663 5.455 ± 0.3009
6 1342 1342/1342 1342 ± 0.00002393 5.402 5.186/5.663 5.399 ± 0.2974
7 1342 1342/1342 1342 ± 0.00002393 5.481 5.27/5.695 5.458 ± 0.2706
8 1342 1342/1342 1342 ± 0.00002393 5.4 5.222/5.647 5.398 ± 0.2989
9 1342 1342/1342 1342 ± 0.00002393 5.684 5.529/5.949 5.706 ± 0.3194
10 1342 1342/1342 1342 ± 0.00002393 6.228 6.011/6.392 6.159 ± 0.2987
11 1342 1342/1342 1342 ± 0.00002393 6.437 6.155/6.585 6.365 ± 0.3332
12 1342 1342/1342 1342 ± 0.00002393 6.512 6.28/6.764 6.514 ± 0.3699
13 1342 1342/1342 1342 ± 0.00002393 7.067 6.674/7.231 6.962 ± 0.3934
14 1342 1342/1342 1342 ± 0.00002393 7.136 6.806/7.375 7.076 ± 0.4377
15 1342 1342/1342 1342 ± 0.00002393 6.886 6.548/7.152 6.806 ± 0.3956
16 1342 1342/1342 1342 ± 0.00004557 5.829 5.608/6.321 5.911 ± 0.4402
17 1342 1342/1342 1342 ± 0.00004965 5.849 5.503/6.098 5.782 ± 0.4
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-07-19 04:33:41.936
End
2025-07-19 05:06:56.627
Duration
0:33:14.691
Note, WebLog generation is not included in the time.

CASA logs for stage 8