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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 5.788 5.669/6.618 6.084 ± 0.8488
ea02 1342 1342/1342 1342 ± 0.000006856 6.127 5.584/6.475 6.121 ± 0.735
ea03 1342 1342/1342 1342 ± 0 6.139 5.477/6.739 6.091 ± 0.8444
ea04 1342 1342/1342 1342 ± 0.00001013 5.69 5.132/6.069 5.624 ± 0.7226
ea05 1342 1342/1342 1342 ± 0.000007224 5.969 5.39/6.435 5.922 ± 0.762
ea06 1342 1342/1342 1342 ± 0.000005088 5.793 5.21/6.159 5.687 ± 0.8987
ea07 1342 1342/1342 1342 ± 0.000007469 6.18 5.309/6.548 5.978 ± 0.8111
ea08 1342 1342/1342 1342 ± 0.00000307 6.446 5.83/6.856 6.444 ± 0.662
ea09 1342 1342/1342 1342 ± 0.000007351 5.695 5.205/6.343 5.702 ± 0.9171
ea10 1342 1342/1342 1342 ± 0.000006856 5.7 5.265/6.202 5.657 ± 0.8183
ea11 1342 1342/1342 1342 ± 0.000008069 5.69 5.342/6.37 5.778 ± 0.8129
ea12 1342 1342/1342 1342 ± 0.000007662 5.529 5.316/6.124 5.688 ± 0.7008
ea13 1342 1342/1342 1342 ± 0.000005314 6.014 5.599/6.39 5.896 ± 1.051
ea14 1342 1342/1342 1342 ± 0.000009187 6.012 5.641/6.547 6.046 ± 0.8001
ea15 1342 1342/1342 1342 ± 0.00001024 6.719 6.624/7.183 6.894 ± 0.4684
ea17 1342 1342/1342 1342 ± 0.00000825 6.133 5.796/6.839 6.261 ± 0.8582
ea18 1342 1342/1342 1342 ± 0 6.502 5.902/7.01 6.462 ± 0.7201
ea19 1342 1342/1342 1342 ± 0.000007025 5.984 5.575/6.536 6.051 ± 0.7703
ea20 1342 1342/1342 1342 ± 0.000006576 6.727 6.038/6.986 6.497 ± 0.7447
ea21 1342 1342/1342 1342 ± 0.000001537 5.391 5.156/5.95 5.553 ± 0.6038
ea22 1342 1342/1342 1342 ± 0.000006127 6.191 5.684/6.683 6.217 ± 0.6869
ea23 1342 1342/1342 1342 ± 0.00000825 6.019 5.495/6.35 5.957 ± 0.843
ea24 1342 1342/1342 1342 ± 0.000005011 6.223 5.207/6.521 5.955 ± 0.7071
ea25 1342 1342/1342 1342 ± 0.000001586 6.584 5.771/7.056 6.575 ± 0.836
ea27 1342 1342/1342 1342 ± 0.000007138 5.546 5.287/6.27 5.66 ± 0.7561
ea28 1342 1342/1342 1342 ± 0.000006675 6.276 5.809/7.02 6.431 ± 0.7314
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 ± 0.00002401 5.56 5.393/5.742 5.585 ± 0.2438
3 1342 1342/1342 1342 ± 0.00002499 4.142 3.751/4.466 4.185 ± 0.7988
4 1342 1342/1342 1342 ± 0.00002553 5.479 5.221/5.718 5.459 ± 0.2964
5 1342 1342/1342 1342 ± 0.00002401 5.43 5.199/5.713 5.457 ± 0.3017
6 1342 1342/1342 1342 ± 0.00002401 5.472 5.213/5.671 5.445 ± 0.2892
7 1342 1342/1342 1342 ± 0.00002401 5.519 5.348/5.727 5.547 ± 0.25
8 1342 1342/1342 1342 ± 0.00002401 5.498 5.206/5.687 5.47 ± 0.2923
9 1342 1342/1342 1342 ± 0.00002401 5.775 5.576/5.959 5.776 ± 0.2884
10 1342 1342/1342 1342 ± 0.00002359 6.268 6.135/6.336 6.24 ± 0.2691
11 1342 1342/1342 1342 ± 0.00002359 6.447 6.235/6.587 6.46 ± 0.2739
12 1342 1342/1342 1342 ± 0.00002359 6.606 6.349/6.762 6.589 ± 0.3229
13 1342 1342/1342 1342 ± 0.00002359 7.024 6.8/7.281 7.037 ± 0.344
14 1342 1342/1342 1342 ± 0.00002359 7.566 7.218/7.825 7.516 ± 0.3703
15 1342 1342/1342 1342 ± 0.00003315 6.723 6.39/7.052 6.736 ± 0.3722
16 1342 1342/1342 1342 ± 0.0000237 6.298 5.965/6.744 6.311 ± 0.4283
17 1342 1342/1342 1342 ± 0.00002359 6.365 5.99/6.577 6.256 ± 0.3995
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-29 04:21:43.870
End
2025-07-29 04:50:49.188
Duration
0:29:05.318
Note, WebLog generation is not included in the time.

CASA logs for stage 8