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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.264 5.516/6.645 6.147 ± 0.6721
ea02 1342 1342/1342 1342 ± 0 6.333 5.57/6.616 6.254 ± 0.6622
ea03 1342 1342/1342 1342 ± 0 6.322 5.461/6.938 6.294 ± 0.7963
ea04 1342 1342/1342 1342 ± 0 5.67 5.109/6.133 5.684 ± 0.6413
ea05 1342 1342/1342 1342 ± 0 6.113 5.273/6.763 6.007 ± 0.7244
ea06 1342 1342/1342 1342 ± 0 6.254 5.198/6.456 5.969 ± 0.7068
ea07 1342 1342/1342 1342 ± 0 6.18 5.183/6.508 6.007 ± 0.7787
ea08 1342 1342/1342 1342 ± 0 6.62 5.61/6.859 6.393 ± 0.7154
ea09 1342 1342/1342 1342 ± 0 5.696 5.061/6.46 5.758 ± 0.719
ea10 1342 1342/1342 1342 ± 0 5.891 5.158/6.291 5.766 ± 0.6467
ea11 1342 1342/1342 1342 ± 0 5.776 5.332/6.558 5.899 ± 0.735
ea12 1342 1342/1342 1342 ± 0 5.818 5.295/6.404 5.903 ± 0.6262
ea13 1342 1342/1342 1342 ± 0 6.043 5.391/6.31 5.933 ± 0.57
ea14 1342 1342/1342 1342 ± 0 6.201 5.487/6.556 6.108 ± 0.6448
ea15 1342 1342/1342 1342 ± 0 6.159 5.461/6.579 6.073 ± 0.7275
ea16 1342 1342/1342 1342 ± 0 6.358 5.736/6.819 6.34 ± 0.7266
ea17 1342 1342/1342 1342 ± 0 6.253 5.713/7.14 6.388 ± 0.7557
ea18 1342 1342/1342 1342 ± 0 6.469 5.754/7.125 6.402 ± 0.7428
ea19 1342 1342/1342 1342 ± 0 6.179 5.434/6.684 6.126 ± 0.6704
ea20 1342 1342/1342 1342 ± 0 6.462 5.808/7.146 6.439 ± 0.7292
ea21 1342 1342/1342 1342 ± 0 5.636 5.216/6.13 5.691 ± 0.5632
ea22 1342 1342/1342 1342 ± 0 6.256 5.479/6.574 6.08 ± 0.6744
ea23 1342 1342/1342 1342 ± 0 6.209 5.345/6.349 6.033 ± 0.7259
ea24 1342 1342/1342 1342 ± 0 6.175 5.073/6.592 5.804 ± 0.87
ea25 1342 1342/1342 1342 ± 0 6.7 5.902/7.275 6.716 ± 0.8444
ea27 1342 1342/1342 1342 ± 0 6.114 5.327/6.594 5.997 ± 0.7066
ea28 1342 1342/1342 1342 ± 0 6.388 5.753/6.999 6.35 ± 0.7185
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 ± 0.00002398 5.423 5.243/5.575 5.4 ± 0.2734
4 1342 1342/1342 1342 ± 0.0000252 5.175 5.046/5.322 5.186 ± 0.3618
5 1342 1342/1342 1342 ± 0.00002398 5.29 5.161/5.567 5.341 ± 0.279
6 1342 1342/1342 1342 ± 0.00002398 5.298 5.062/5.459 5.264 ± 0.2731
7 1342 1342/1342 1342 ± 0.00002398 5.445 5.263/5.707 5.46 ± 0.2452
8 1342 1342/1342 1342 ± 0.00002398 5.483 5.179/5.573 5.432 ± 0.2894
9 1342 1342/1342 1342 ± 0.00002398 5.772 5.648/5.947 5.768 ± 0.2792
10 1342 1342/1342 1342 ± 0.00002398 6.259 6.176/6.356 6.256 ± 0.2501
11 1342 1342/1342 1342 ± 0.00002398 6.476 6.29/6.661 6.489 ± 0.2638
12 1342 1342/1342 1342 ± 0.00002398 6.582 6.347/6.822 6.631 ± 0.3154
13 1342 1342/1342 1342 ± 0.00002398 7.102 6.884/7.428 7.113 ± 0.3404
14 1342 1342/1342 1342 ± 0.00002398 7.278 7.034/7.546 7.275 ± 0.3378
15 1342 1342/1342 1342 ± 0.00002398 6.966 6.603/7.187 6.952 ± 0.3434
16 1342 1342/1342 1342 ± 0.00002398 6.382 6.137/6.673 6.387 ± 0.3491
17 1342 1342/1342 1342 ± 0.00002398 6.304 6.109/6.53 6.318 ± 0.341
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
overwrite_modelcol
False
Start time
2025-07-29 04:13:59.210
End
2025-07-29 05:26:23.429
Duration
1:12:24.219
Note, WebLog generation is not included in the time.

CASA logs for stage 8