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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.506 5.292/6.162 5.594 ± 0.77
ea02 1342 1342/1342 1342 ± 0.00002263 5.256 5/6.311 5.527 ± 0.8005
ea03 1342 1342/1342 1342 ± 0 5.344 5.148/6.253 5.624 ± 0.6222
ea04 1342 1342/1342 1342 ± 0.00003996 5.047 4.817/5.851 5.16 ± 0.6346
ea05 1342 1342/1342 1342 ± 0.00004347 5.246 4.961/6.195 5.412 ± 0.7644
ea06 1342 1342/1342 1342 ± 0 4.992 4.708/5.771 5.125 ± 0.6045
ea07 1342 1342/1342 1342 ± 0.00002919 5.059 4.851/6.043 5.341 ± 0.7105
ea08 1342 1342/1342 1342 ± 0.000006905 5.554 5.326/6.635 5.724 ± 0.8591
ea09 1342 1342/1342 1342 ± 0.00004018 5.044 4.814/5.829 5.004 ± 0.8819
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00004698 5.199 4.624/6.091 5.271 ± 0.8212
ea12 1342 1342/1342 1342 ± 0.00003203 5.076 4.803/5.758 5.122 ± 0.672
ea14 1342 1342/1342 1342 ± 0.0000409 5.377 5.132/6.3 5.513 ± 0.7086
ea15 1342 1342/1342 1342 ± 0.00004423 5.537 5.25/6.491 5.641 ± 0.8647
ea16 1342 1342/1342 1342 ± 0.000001848 5.671 5.183/6.323 5.681 ± 0.7529
ea17 1342 1342/1342 1342 ± 0.00003301 5.604 5.21/6.467 5.752 ± 0.8174
ea18 1342 1342/1342 1342 ± 0.000006183 5.603 5.355/6.589 5.726 ± 0.8746
ea19 1342 1342/1342 1342 ± 0.00001042 5.228 4.966/6.139 5.371 ± 0.7289
ea20 1342 1342/1342 1342 ± 0.000003546 5.783 5.543/6.698 6.069 ± 0.6991
ea21 1342 1342/1342 1342 ± 0 5.045 4.882/5.687 5.203 ± 0.525
ea22 1342 1342/1342 1342 ± 0.00001397 5.451 5.013/6.256 5.479 ± 0.7767
ea23 1342 1342/1342 1342 ± 0.00003976 5.471 5.072/6.257 5.571 ± 0.7618
ea24 1342 1342/1342 1342 ± 0 5.269 5.065/6.181 5.585 ± 0.6299
ea25 1342 1342/1342 1342 ± 0.000001848 5.814 5.392/6.648 6 ± 0.7325
ea27 1342 1342/1342 1342 ± 0 5.1 4.869/6.136 5.245 ± 0.7515
ea28 1342 1342/1342 1342 ± 0 5.7 5.542/6.649 6.028 ± 0.6625
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 ± 0.00002442 5.184 4.938/5.351 5.176 ± 0.2647
5 1342 1342/1342 1342 ± 0.000025 5.11 4.798/5.353 5.086 ± 0.3311
6 1342 1342/1342 1342 ± 0.00002493 5.164 4.883/5.457 5.164 ± 0.2852
7 1342 1342/1342 1342 ± 0.00002442 5.284 5.067/5.443 5.27 ± 0.2461
8 1342 1342/1342 1342 ± 0.00002442 5.185 4.974/5.388 5.192 ± 0.2698
9 1342 1342/1342 1342 ± 0.00002442 5.517 5.284/5.709 5.517 ± 0.261
10 1342 1342/1342 1342 ± 0.00002442 6.004 5.803/6.11 5.961 ± 0.2654
11 1342 1342/1342 1342 ± 0.00002442 6.258 6.146/6.467 6.251 ± 0.279
12 1342 1342/1342 1342 ± 0.00002442 6.426 6.286/6.614 6.435 ± 0.3252
13 1342 1342/1342 1342 ± 0.00002442 6.617 6.369/6.958 6.658 ± 0.4099
14 1342 1342/1342 1342 ± 0.0000321 5.28 5.028/5.814 5.535 ± 0.7267
15 1342 1342/1342 1342 ± 0.00002442 6.336 6.06/6.662 6.341 ± 0.3866
16 1342 1342/1342 1342 ± 0.00005727 4.356 4.17/4.652 4.495 ± 0.4733
17 1342 1342/1342 1342 ± 0.00005939 4.193 4.045/4.421 4.31 ± 0.3991
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-07-23 08:28:47.037
End
2025-07-23 09:19:22.484
Duration
0:50:35.448
Note, WebLog generation is not included in the time.

CASA logs for stage 8