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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.461 5.247/6.361 5.684 ± 0.8339
ea02 1342 1342/1342 1342 ± 0.000005104 5.35 5.018/6.111 5.526 ± 0.8417
ea03 1342 1342/1342 1342 ± 0.0000051 5.698 4.892/6.352 5.593 ± 0.8755
ea04 1342 1342/1342 1342 ± 0.00003206 5.169 4.734/5.884 5.279 ± 0.7033
ea05 1342 1342/1342 1342 ± 0.00003732 5.206 4.921/6.336 5.441 ± 0.8678
ea06 1342 1342/1342 1342 ± 0 5.427 4.614/5.659 5.23 ± 0.7374
ea07 1342 1342/1342 1342 ± 0.000001864 4.988 4.728/5.936 5.285 ± 0.8453
ea08 1342 1342/1342 1342 ± 0 5.568 5.043/6.408 5.7 ± 0.8666
ea09 1342 1342/1342 1342 ± 0.00003313 4.904 4.648/5.957 5.146 ± 0.7419
ea10 1342 1342/1342 1342 ± 0.00004148 4.778 4.452/5.726 5.009 ± 0.7552
ea11 1342 1342/1342 1342 ± 0.00004031 5.057 4.49/6.074 5.258 ± 0.8937
ea12 1342 1342/1342 1342 ± 0.00002427 4.997 4.762/5.875 5.251 ± 0.6316
ea14 1342 1342/1342 1342 ± 0.00003719 5.246 5.058/6.14 5.54 ± 0.668
ea15 1342 1342/1342 1342 ± 0.00003803 5.347 5.031/6.219 5.566 ± 0.8795
ea16 1342 1342/1342 1342 ± 0 5.701 5.132/6.297 5.648 ± 0.8798
ea17 1342 1342/1342 1342 ± 0.000001868 5.234 5.051/6.474 5.599 ± 0.7718
ea18 1342 1342/1342 1342 ± 0 5.882 5.161/6.541 5.799 ± 0.8058
ea19 1342 1342/1342 1342 ± 0.000006585 5.19 4.95/6.208 5.497 ± 0.7325
ea21 1342 1342/1342 1342 ± 0 5.04 4.596/5.548 5.036 ± 0.6845
ea22 1342 1342/1342 1342 ± 0.000001319 5.272 5.072/6.289 5.533 ± 0.7621
ea23 1342 1342/1342 1342 ± 0.00004082 5.255 5.019/6.132 5.566 ± 0.7656
ea24 1342 1342/1342 1342 ± 0 5.326 4.829/6.235 5.451 ± 0.7857
ea25 1342 1342/1342 1342 ± 0 6.076 5.113/6.542 5.875 ± 0.9554
ea27 1342 1342/1342 1342 ± 0 5.363 4.923/6.199 5.46 ± 0.7535
ea28 1342 1342/1342 1342 ± 0.000009573 5.46 5.237/6.702 5.778 ± 0.8474
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 ± 0.00002397 4.888 4.725/5.061 4.848 ± 0.3017
4 1342 1342/1342 1342 ± 0.00002435 3.804 3.597/4.014 3.832 ± 0.2855
5 1342 1342/1342 1342 ± 0.00002397 4.874 4.686/5.205 4.927 ± 0.2719
6 1342 1342/1342 1342 ± 0.00002397 4.929 4.704/5.148 4.902 ± 0.2461
7 1342 1342/1342 1342 ± 0.00002397 4.973 4.844/5.096 4.953 ± 0.2152
8 1342 1342/1342 1342 ± 0.00002397 4.932 4.753/5.05 4.911 ± 0.2391
9 1342 1342/1342 1342 ± 0.00002397 5.278 5.065/5.448 5.233 ± 0.2486
10 1342 1342/1342 1342 ± 0.00002397 5.819 5.693/5.944 5.793 ± 0.2389
11 1342 1342/1342 1342 ± 0.00002397 6.071 5.86/6.127 6.022 ± 0.25
12 1342 1342/1342 1342 ± 0.00002397 6.202 5.957/6.36 6.179 ± 0.29
13 1342 1342/1342 1342 ± 0.00002397 6.64 6.459/6.842 6.61 ± 0.2994
14 1342 1342/1342 1342 ± 0.00002397 6.77 6.472/6.946 6.72 ± 0.3181
15 1342 1342/1342 1342 ± 0.00002397 6.409 6.212/6.685 6.43 ± 0.3359
16 1342 1342/1342 1342 ± 0.00005253 5.375 5.174/5.642 5.444 ± 0.4064
17 1342 1342/1342 1342 ± 0.00005915 5.151 4.984/5.435 5.243 ± 0.3687
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-22 05:14:22.613
End
2025-07-22 05:57:06.534
Duration
0:42:43.921
Note, WebLog generation is not included in the time.

CASA logs for stage 8