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

Statwt Summary Plot

VLASS2.1.sb38563510.eb38566235.59073.10379631944_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 5.171 5.029/5.833 5.242 ± 0.8508
ea02 1342 1342/1342 1342 ± 0.00004145 5.595 5.201/6.504 5.56 ± 1.038
ea05 1342 1342/1342 1342 ± 0.00001825 5.411 5.053/6.351 5.532 ± 0.8568
ea06 1342 1342/1342 1342 ± 0.000008635 4.631 4.552/5.124 4.667 ± 0.6394
ea07 1342 1342/1342 1342 ± 0.00004369 5.583 5.201/5.876 5.328 ± 0.8408
ea08 1342 1342/1342 1342 ± 0.00004193 5.81 5.451/6.659 5.801 ± 1.082
ea09 1342 1342/1342 1342 ± 0.00001024 4.888 4.751/5.727 5.044 ± 0.6665
ea10 1342 1342/1342 1342 ± 0.00004403 5.319 5.05/6.272 5.419 ± 0.9435
ea11 1342 1342/1342 1342 ± 0.00004132 5.488 5.134/6.405 5.541 ± 1.077
ea12 1342 1342/1342 1342 ± 0.00001202 5.388 5.097/6.344 5.494 ± 1.082
ea13 1342 1342/1342 1342 ± 0.0000193 5.612 5.452/6.237 5.716 ± 0.8242
ea14 1342 1342/1342 1342 ± 0.00001559 6.395 5.92/6.675 5.82 ± 1.193
ea15 1342 1342/1342 1342 ± 0.000001943 5.033 4.803/6.111 5.391 ± 0.9743
ea16 1342 1342/1342 1342 ± 0 5.064 4.911/5.237 5.043 ± 0.1997
ea17 1342 1342/1342 1342 ± 0.00004308 5.61 5.343/6.457 5.652 ± 1.055
ea18 1342 1342/1342 1342 ± 0.00003588 4.906 4.576/5.669 4.897 ± 0.8536
ea19 1342 1342/1342 1342 ± 0.000004544 5.591 5.394/6.682 5.748 ± 0.9178
ea20 1342 1342/1342 1342 ± 0.00002535 5.765 5.616/6.917 5.834 ± 1.182
ea21 1342 1342/1342 1342 ± 0.00002661 5.329 5.217/6.195 5.459 ± 0.8884
ea22 1342 1342/1342 1342 ± 0.00003305 5.316 4.954/6.41 5.447 ± 0.9615
ea23 1342 1342/1342 1342 ± 0.00004214 5.421 5.189/6.272 5.569 ± 0.9457
ea25 1342 1342/1342 1342 ± 0 5.203 5.16/5.221 5.163 ± 0.1778
ea26 1342 1342/1342 1342 ± 0.00002211 5.396 5.162/6.403 5.581 ± 0.8395
ea27 1342 1342/1342 1342 ± 0.00004553 5.304 4.956/6.239 5.362 ± 0.9177
ea28 1342 1342/1342 1342 ± 0.0000432 5.498 5.289/6.336 5.522 ± 0.9666
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 ± 0.0000244 5.359 5.156/5.523 5.311 ± 0.2849
3 1342 1342/1342 1342 ± 0.0000273 4.856 4.711/5.047 4.866 ± 0.2671
5 1342 1342/1342 1342 ± 0.00002455 5.262 5.066/5.368 5.21 ± 0.3127
6 1342 1342/1342 1342 ± 0.0000244 5.236 5.031/5.325 5.179 ± 0.2708
7 1342 1342/1342 1342 ± 0.0000244 5.176 5.049/5.337 5.169 ± 0.2425
8 1342 1342/1342 1342 ± 0.0000244 5.215 4.996/5.352 5.15 ± 0.2816
9 1342 1342/1342 1342 ± 0.0000244 5.456 5.307/5.673 5.428 ± 0.3355
10 1342 1342/1342 1342 ± 0.0000249 5.913 5.678/6.061 5.842 ± 0.3557
11 1342 1342/1342 1342 ± 0.0000249 6.202 6.028/6.348 6.131 ± 0.3678
12 1342 1342/1342 1342 ± 0.0000249 6.413 6.115/6.512 6.326 ± 0.3826
13 1342 1342/1342 1342 ± 0.0000253 6.638 6.269/6.826 6.57 ± 0.4033
14 1342 1342/1342 1342 ± 0.00003596 6.449 6.008/6.776 6.4 ± 0.4978
15 1342 1342/1342 1342 ± 0.00002492 6.734 6.535/6.88 6.612 ± 0.4889
16 1342 1342/1342 1342 ± 0.00005984 3.537 3.382/3.768 3.582 ± 0.2725
17 1342 1342/1342 1342 ± 0.00006103 3.627 3.481/3.842 3.658 ± 0.268
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38563510.eb38566235.59073.10379631944_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-05-16 21:01:49.440
End
2025-05-16 22:03:37.955
Duration
1:01:48.515
Note, WebLog generation is not included in the time.

CASA logs for stage 8