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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.362 5.208/6.087 5.531 ± 0.8002
ea02 1342 1342/1342 1342 ± 0.00004254 5.861 5.212/6.618 5.706 ± 0.9997
ea03 1342 1342/1342 1342 ± 0.00003352 4.932 4.667/5.898 5.11 ± 0.8107
ea04 1342 1342/1342 1342 ± 0.00003893 5.312 5.059/6.101 5.466 ± 0.7541
ea05 1342 1342/1342 1342 ± 0.00003347 5.489 5.103/6.476 5.583 ± 0.9404
ea06 1342 1342/1342 1342 ± 0.00002072 4.371 4.17/4.899 4.321 ± 0.7579
ea07 1342 1342/1342 1342 ± 0.00004036 5.84 5.211/6.112 5.709 ± 0.892
ea08 1342 1342/1342 1342 ± 0.000041 6.033 5.453/6.708 5.962 ± 0.9884
ea09 1342 1342/1342 1342 ± 0.00004162 5.535 5.06/6.35 5.507 ± 0.8602
ea10 1342 1342/1342 1342 ± 0.00003915 5.928 5.177/6.636 5.808 ± 0.9561
ea11 1342 1342/1342 1342 ± 0.00002486 5.687 4.99/6.361 5.532 ± 1.051
ea12 1342 1342/1342 1342 ± 0.00003748 5.531 5.277/6.538 5.746 ± 0.8695
ea13 1342 1342/1342 1342 ± 0.00003589 5.83 5.517/6.266 5.773 ± 0.8933
ea14 1342 1342/1342 1342 ± 0.00004098 5.629 5.062/6.197 5.626 ± 0.9235
ea15 1342 1342/1342 1342 ± 0.00001658 3.772 3.521/4.679 3.91 ± 1.014
ea16 1342 1342/1342 1342 ± 0.00004056 5.797 5.522/6.742 5.893 ± 1.071
ea17 1342 1342/1342 1342 ± 0.00003013 6.063 5.573/7.295 6.107 ± 1.146
ea18 1342 1342/1342 1342 ± 0.00003595 4.734 4.624/5.473 4.857 ± 0.6346
ea19 1342 1342/1342 1342 ± 0.00002566 5.514 5.24/6.461 5.661 ± 0.9038
ea20 1342 1342/1342 1342 ± 0.00003684 5.942 5.763/7.005 6.11 ± 1.029
ea21 1342 1342/1342 1342 ± 0.00004037 5.641 5.3/6.42 5.665 ± 0.9513
ea23 1342 1342/1342 1342 ± 0.00003976 5.492 5.15/5.647 5.323 ± 0.6606
ea24 1342 1342/1342 1342 ± 0.00004249 5.581 5.256/6.406 5.581 ± 0.8641
ea25 1342 1342/1342 1342 ± 0.00003811 5.55 5.266/6.256 5.586 ± 0.8319
ea26 1342 1342/1342 1342 ± 0.0000413 5.832 5.57/6.726 5.854 ± 0.9638
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00003987 5.425 5.151/6.187 5.522 ± 0.8163
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 ± 0.00002373 5.317 5.07/5.508 5.211 ± 0.4992
5 1342 1342/1342 1342 ± 0.00002373 5.461 5.069/5.704 5.276 ± 0.5727
6 1342 1342/1342 1342 ± 0.00002373 5.226 5.052/5.413 5.142 ± 0.4791
7 1342 1342/1342 1342 ± 0.00002373 5.277 5.156/5.505 5.207 ± 0.4673
8 1342 1342/1342 1342 ± 0.00002373 5.283 5.169/5.463 5.208 ± 0.4976
9 1342 1342/1342 1342 ± 0.00002373 5.591 5.316/5.847 5.482 ± 0.5205
10 1342 1342/1342 1342 ± 0.00002373 5.953 5.605/6.141 5.792 ± 0.5556
11 1342 1342/1342 1342 ± 0.00002373 6.185 6.002/6.319 6.068 ± 0.511
12 1342 1342/1342 1342 ± 0.00002373 6.361 6.099/6.62 6.256 ± 0.5766
13 1342 1342/1342 1342 ± 0.00002373 6.76 6.499/6.912 6.622 ± 0.5404
14 1342 1342/1342 1342 ± 0.00002398 6.839 6.415/7.005 6.639 ± 0.6151
15 1342 1342/1342 1342 ± 0.00002647 6.611 6.304/6.911 6.511 ± 0.6476
16 1342 1342/1342 1342 ± 0.00004983 3.738 3.582/3.872 3.63 ± 0.4924
17 1342 1342/1342 1342 ± 0.00005129 3.869 3.695/4.027 3.78 ± 0.5019
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-11 14:34:11.837
End
2025-01-11 15:34:51.365
Duration
1:00:39.528
Note, WebLog generation is not included in the time.

CASA logs for stage 8