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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.71 5.606/6.498 5.912 ± 0.6985
ea02 1342 1342/1342 1342 ± 0 6.047 5.511/6.414 6.04 ± 0.7509
ea03 1342 1342/1342 1342 ± 0 6.053 5.375/6.658 5.963 ± 0.7137
ea04 1342 1342/1342 1342 ± 0.000005293 5.356 4.9/5.938 5.388 ± 0.6014
ea05 1342 1342/1342 1342 ± 0.000006305 5.525 5.133/6.398 5.662 ± 0.7365
ea06 1342 1342/1342 1342 ± 0 5.639 5.024/5.973 5.58 ± 0.6529
ea07 1342 1342/1342 1342 ± 0 5.823 5.08/6.133 5.685 ± 0.8023
ea08 1342 1342/1342 1342 ± 0 5.962 5.378/6.469 5.949 ± 0.73
ea09 1342 1342/1342 1342 ± 0.000004131 5.597 5.037/6.277 5.619 ± 0.6929
ea10 1342 1342/1342 1342 ± 0 5.302 5.125/6.027 5.485 ± 0.6063
ea11 1342 1342/1342 1342 ± 0.00002735 5.467 4.94/6.297 5.516 ± 0.8303
ea12 1342 1342/1342 1342 ± 0.000009848 5.349 5.233/6.216 5.576 ± 0.6087
ea14 1342 1342/1342 1342 ± 0.000004787 5.632 5.385/6.37 5.807 ± 0.6515
ea15 1342 1342/1342 1342 ± 0.00001261 5.922 5.489/6.602 6.018 ± 0.8195
ea16 1342 1342/1342 1342 ± 0 5.91 5.538/6.587 6.02 ± 0.7082
ea17 1342 1342/1342 1342 ± 0 6.029 5.614/6.89 6.113 ± 0.6961
ea18 1342 1342/1342 1342 ± 0 6.398 5.752/7.037 6.293 ± 0.7793
ea19 1342 1342/1342 1342 ± 0.000009798 5.633 5.296/6.599 5.832 ± 0.6983
ea20 1342 1342/1342 1342 ± 0.000003474 6.425 5.753/6.994 6.291 ± 0.79
ea22 1342 1342/1342 1342 ± 0 5.569 5.139/6.115 5.569 ± 0.589
ea23 1342 1342/1342 1342 ± 0.000009018 5.534 5.385/6.321 5.815 ± 0.7125
ea24 1342 1342/1342 1342 ± 0.00000247 6.078 5.037/6.493 5.752 ± 0.7928
ea25 1342 1342/1342 1342 ± 0 6.397 5.537/6.82 6.269 ± 0.8611
ea27 1342 1342/1342 1342 ± 0 5.579 5.209/6.408 5.748 ± 0.6748
ea28 1342 1342/1342 1342 ± 0.000001554 6.378 5.706/7.014 6.292 ± 0.7948
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 5.41 5.218/5.628 5.445 ± 0.2976
3 1342 1342/1342 1342 ± 0.00002955 3.749 3.332/4.108 3.731 ± 0.4971
4 1342 1342/1342 1342 ± 0.00003122 4.584 4.358/4.731 4.552 ± 0.2873
5 1342 1342/1342 1342 ± 0.00002392 5.374 5.074/5.636 5.372 ± 0.3123
6 1342 1342/1342 1342 ± 0.00002392 5.16 4.975/5.364 5.161 ± 0.2683
7 1342 1342/1342 1342 ± 0.00002392 5.341 5.122/5.533 5.332 ± 0.2522
8 1342 1342/1342 1342 ± 0.00002392 5.338 5.095/5.505 5.314 ± 0.2974
9 1342 1342/1342 1342 ± 0.00002392 5.627 5.454/5.82 5.61 ± 0.2851
10 1342 1342/1342 1342 ± 0.00002392 6.092 5.927/6.21 6.078 ± 0.248
11 1342 1342/1342 1342 ± 0.00002392 6.326 6.085/6.441 6.302 ± 0.2717
12 1342 1342/1342 1342 ± 0.00002392 6.435 6.295/6.608 6.473 ± 0.3124
13 1342 1342/1342 1342 ± 0.00002392 6.907 6.741/7.134 6.939 ± 0.3411
14 1342 1342/1342 1342 ± 0.00002392 6.927 6.65/7.28 6.945 ± 0.4226
15 1342 1342/1342 1342 ± 0.00002392 6.749 6.418/7.026 6.706 ± 0.341
16 1342 1342/1342 1342 ± 0.00002545 5.923 5.509/6.174 5.889 ± 0.4669
17 1342 1342/1342 1342 ± 0.00002908 5.788 5.473/6.063 5.801 ± 0.4001
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
Start time
2025-07-31 05:48:39.058
End
2025-07-31 06:54:55.304
Duration
1:06:16.246
Note, WebLog generation is not included in the time.

CASA logs for stage 8