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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.19 5.851/6.725 6.305 ± 0.5624
ea02 1342 1342/1342 1342 ± 0 6.2 5.874/6.933 6.395 ± 0.6305
ea03 1342 1342/1342 1342 ± 0 5.494 5.22/6.57 5.791 ± 0.6748
ea04 1342 1342/1342 1342 ± 0 5.929 5.438/6.494 6.023 ± 0.6298
ea06 1342 1342/1342 1342 ± 0 6.274 5.625/6.562 6.171 ± 0.5854
ea07 1342 1342/1342 1342 ± 0 5.937 5.437/6.08 5.907 ± 0.4737
ea08 1342 1342/1342 1342 ± 0 6.264 5.858/6.967 6.478 ± 0.5924
ea09 1342 1342/1342 1342 ± 0 6.102 5.587/6.818 6.2 ± 0.6525
ea10 1342 1342/1342 1342 ± 0 5.942 5.625/6.68 6.136 ± 0.5775
ea11 1342 1342/1342 1342 ± 0 6.317 5.738/6.908 6.406 ± 0.6688
ea12 1342 1342/1342 1342 ± 0 6.255 5.781/6.825 6.346 ± 0.6354
ea13 1342 1342/1342 1342 ± 0 6.23 5.805/6.716 6.371 ± 0.5455
ea14 1342 1342/1342 1342 ± 0 6.262 5.681/6.685 6.24 ± 0.6602
ea15 1342 1342/1342 1342 ± 0 6.111 5.544/6.614 6.12 ± 0.6723
ea16 1342 1342/1342 1342 ± 0 6.276 5.802/6.701 6.329 ± 0.6032
ea17 1342 1342/1342 1342 ± 0 6.651 6.318/7.472 6.836 ± 0.6285
ea18 1342 1342/1342 1342 ± 0 4.934 4.61/5.295 4.966 ± 0.4027
ea19 1342 1342/1342 1342 ± 0 6.325 5.934/7.009 6.48 ± 0.6203
ea20 1342 1342/1342 1342 ± 0 6.084 5.875/7.022 6.384 ± 0.6058
ea21 1342 1342/1342 1342 ± 0 5.965 5.72/6.653 6.217 ± 0.5575
ea22 1342 1342/1342 1342 ± 0 6.497 5.719/6.862 6.355 ± 0.6198
ea23 1342 1342/1342 1342 ± 0 6.208 5.885/6.9 6.441 ± 0.6649
ea24 1342 1342/1342 1342 ± 0 6.168 5.465/6.678 6.057 ± 0.6116
ea25 1342 1342/1342 1342 ± 0 6.167 5.428/6.382 6.056 ± 0.6906
ea26 1342 1342/1342 1342 ± 0 6.385 5.796/7.048 6.413 ± 0.634
ea27 1342 1342/1342 1342 ± 0 5.903 5.764/6.926 6.25 ± 0.6481
ea28 1342 1342/1342 1342 ± 0 5.954 5.722/6.853 6.285 ± 0.6438
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 ± 0.00002309 5.728 5.62/5.879 5.706 ± 0.3148
4 1342 1342/1342 1342 ± 0.00002468 5.558 5.214/5.669 5.476 ± 0.4264
5 1342 1342/1342 1342 ± 0.00002309 5.764 5.487/6.005 5.722 ± 0.371
6 1342 1342/1342 1342 ± 0.00002309 5.625 5.5/5.844 5.627 ± 0.3141
7 1342 1342/1342 1342 ± 0.00002309 5.714 5.54/5.879 5.681 ± 0.3057
8 1342 1342/1342 1342 ± 0.00002309 5.64 5.416/5.801 5.623 ± 0.3207
9 1342 1342/1342 1342 ± 0.00002309 5.954 5.808/6.105 5.922 ± 0.347
10 1342 1342/1342 1342 ± 0.00002309 6.414 6.175/6.564 6.348 ± 0.3555
11 1342 1342/1342 1342 ± 0.00002309 6.625 6.446/6.765 6.564 ± 0.3658
12 1342 1342/1342 1342 ± 0.00002309 6.73 6.584/6.923 6.705 ± 0.3913
13 1342 1342/1342 1342 ± 0.00002309 7.194 6.977/7.371 7.146 ± 0.4106
14 1342 1342/1342 1342 ± 0.00002309 7.428 7.229/7.539 7.345 ± 0.3978
15 1342 1342/1342 1342 ± 0.00002309 7.049 6.847/7.206 6.975 ± 0.3966
16 1342 1342/1342 1342 ± 0.00002309 6.287 6.003/6.413 6.21 ± 0.378
17 1342 1342/1342 1342 ± 0.00002309 6.242 6.003/6.344 6.154 ± 0.3474
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
Start time
2025-05-14 05:06:24.389
End
2025-05-14 05:45:52.118
Duration
0:39:27.729
Note, WebLog generation is not included in the time.

CASA logs for stage 8