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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.236 5.594/6.633 6.193 ± 0.6657
ea02 1342 1342/1342 1342 ± 0 6.317 5.605/6.593 6.254 ± 0.6243
ea03 1342 1342/1342 1342 ± 0 6.102 5.396/6.691 6.132 ± 0.7169
ea04 1342 1342/1342 1342 ± 0 5.669 5.21/6.065 5.65 ± 0.5771
ea05 1342 1342/1342 1342 ± 0 5.979 5.288/6.621 5.967 ± 0.6384
ea06 1342 1342/1342 1342 ± 0 6.049 5.243/6.154 5.818 ± 0.6001
ea07 1342 1342/1342 1342 ± 0 6.054 5.308/6.365 5.942 ± 0.6819
ea08 1342 1342/1342 1342 ± 0 6.56 5.731/6.805 6.394 ± 0.6476
ea09 1342 1342/1342 1342 ± 0.000001607 5.927 5.233/6.396 5.883 ± 0.6343
ea10 1342 1342/1342 1342 ± 0.000001553 5.542 5.036/5.969 5.529 ± 0.5347
ea11 1342 1342/1342 1342 ± 0 5.492 5.199/6.283 5.691 ± 0.6524
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.985 5.49/6.198 5.916 ± 0.495
ea14 1342 1342/1342 1342 ± 0 6.046 5.518/6.399 6.061 ± 0.5188
ea15 1342 1342/1342 1342 ± 0 6.261 5.647/6.653 6.237 ± 0.7013
ea16 1342 1342/1342 1342 ± 0 6.2 5.715/6.685 6.255 ± 0.6715
ea17 1342 1342/1342 1342 ± 0 6.136 5.707/6.869 6.224 ± 0.6811
ea18 1342 1342/1342 1342 ± 0 6.307 5.78/6.856 6.244 ± 0.5935
ea19 1342 1342/1342 1342 ± 0 6.049 5.415/6.556 6.014 ± 0.6039
ea20 1342 1342/1342 1342 ± 0 6.154 5.608/6.671 6.119 ± 0.6058
ea21 1342 1342/1342 1342 ± 0 5.453 5.121/5.877 5.565 ± 0.4913
ea22 1342 1342/1342 1342 ± 0 6.315 5.624/6.693 6.191 ± 0.634
ea23 1342 1342/1342 1342 ± 0 6.222 5.551/6.351 6.091 ± 0.6626
ea24 1342 1342/1342 1342 ± 0 6.063 5.158/6.446 5.841 ± 0.6313
ea25 1342 1342/1342 1342 ± 0 6.348 5.648/6.853 6.373 ± 0.7499
ea27 1342 1342/1342 1342 ± 0 6.035 5.232/6.481 5.898 ± 0.6705
ea28 1342 1342/1342 1342 ± 0 6.358 5.731/6.89 6.34 ± 0.6296
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 ± 0.00002369 5.482 5.326/5.655 5.493 ± 0.2556
4 1342 1342/1342 1342 ± 0.00002503 5.376 5.216/5.594 5.394 ± 0.3232
5 1342 1342/1342 1342 ± 0.00002375 5.374 5.134/5.555 5.364 ± 0.2884
6 1342 1342/1342 1342 ± 0.00002369 5.316 4.967/5.505 5.272 ± 0.3285
7 1342 1342/1342 1342 ± 0.00002369 5.485 5.28/5.662 5.461 ± 0.2327
8 1342 1342/1342 1342 ± 0.00002369 5.47 5.187/5.635 5.418 ± 0.2581
9 1342 1342/1342 1342 ± 0.00002369 5.761 5.607/5.909 5.723 ± 0.2631
10 1342 1342/1342 1342 ± 0.00002369 6.16 6.053/6.271 6.134 ± 0.2244
11 1342 1342/1342 1342 ± 0.00002369 6.362 6.206/6.464 6.345 ± 0.2355
12 1342 1342/1342 1342 ± 0.00002369 6.555 6.257/6.695 6.488 ± 0.2799
13 1342 1342/1342 1342 ± 0.00002369 6.934 6.684/7.142 6.904 ± 0.3013
14 1342 1342/1342 1342 ± 0.00002369 7.195 6.906/7.377 7.124 ± 0.3251
15 1342 1342/1342 1342 ± 0.00002369 6.858 6.622/7.185 6.866 ± 0.3518
16 1342 1342/1342 1342 ± 0.00002369 6.216 6.033/6.573 6.252 ± 0.3615
17 1342 1342/1342 1342 ± 0.00002369 6.266 6.065/6.473 6.216 ± 0.3308
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
statwtmode
VLASS-SE
Start time
2025-08-13 00:24:06.152
End
2025-08-13 00:54:02.989
Duration
0:29:56.837
Note, WebLog generation is not included in the time.

CASA logs for stage 8