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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.899 5.589/6.56 6.105 ± 0.6109
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.81 5.208/6.605 5.927 ± 0.6776
ea06 1342 1342/1342 1342 ± 0 6.102 5.441/6.405 6.001 ± 0.5902
ea07 1342 1342/1342 1342 ± 0 6.113 5.371/6.385 6.029 ± 0.6411
ea08 1342 1342/1342 1342 ± 0.00003105 5.929 5.625/6.635 6.161 ± 0.6478
ea09 1342 1342/1342 1342 ± 0.00002288 5.757 5.321/6.654 5.943 ± 0.69
ea10 1342 1342/1342 1342 ± 0 6.119 5.41/6.757 6.126 ± 0.6498
ea11 1342 1342/1342 1342 ± 0 6.026 5.365/6.578 6.065 ± 0.6821
ea12 1342 1342/1342 1342 ± 0 6.15 5.511/6.626 6.151 ± 0.6682
ea13 1342 1342/1342 1342 ± 0.00003026 5.816 5.707/6.374 6.079 ± 0.5093
ea14 1342 1342/1342 1342 ± 0 6.344 5.726/6.871 6.378 ± 0.7267
ea15 1342 1342/1342 1342 ± 0 5.658 5.048/6.038 5.59 ± 0.6358
ea16 1342 1342/1342 1342 ± 0 6.389 5.663/6.825 6.375 ± 0.7648
ea17 1342 1342/1342 1342 ± 0 6.519 5.85/7.258 6.574 ± 0.7311
ea18 1342 1342/1342 1342 ± 0 5.034 4.638/5.472 5.071 ± 0.5336
ea19 1342 1342/1342 1342 ± 0 6.471 5.758/7.032 6.464 ± 0.7077
ea20 1342 1342/1342 1342 ± 0.0000159 6.003 5.678/6.88 6.207 ± 0.654
ea21 1342 1342/1342 1342 ± 0 6.172 5.516/6.561 6.116 ± 0.6369
ea22 1342 1342/1342 1342 ± 0 6.258 5.416/6.633 6.081 ± 0.6896
ea23 1342 1342/1342 1342 ± 0 6.021 5.62/6.737 6.24 ± 0.7053
ea24 1342 1342/1342 1342 ± 0.000001106 5.484 4.949/6.192 5.552 ± 0.6034
ea26 1342 1342/1342 1342 ± 0.000008195 6.024 5.596/6.956 6.243 ± 0.6959
ea27 1342 1342/1342 1342 ± 0.00001607 6.035 5.55/6.962 6.173 ± 0.7358
ea28 1342 1342/1342 1342 ± 0.00002278 6.028 5.719/6.908 6.345 ± 0.733
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 ± 0.00002439 5.482 5.391/5.653 5.474 ± 0.2871
4 1342 1342/1342 1342 ± 0.00002886 5.28 5.043/5.367 5.173 ± 0.3441
5 1342 1342/1342 1342 ± 0.00002439 5.514 5.247/5.64 5.427 ± 0.3279
6 1342 1342/1342 1342 ± 0.00002439 5.473 5.275/5.608 5.407 ± 0.2692
7 1342 1342/1342 1342 ± 0.00002439 5.513 5.38/5.684 5.484 ± 0.2797
8 1342 1342/1342 1342 ± 0.00002439 5.443 5.312/5.711 5.431 ± 0.3153
9 1342 1342/1342 1342 ± 0.00002439 5.814 5.615/5.958 5.737 ± 0.3235
10 1342 1342/1342 1342 ± 0.00002439 6.286 6.165/6.368 6.192 ± 0.3278
11 1342 1342/1342 1342 ± 0.00002439 6.489 6.332/6.648 6.437 ± 0.3353
12 1342 1342/1342 1342 ± 0.00002439 6.633 6.35/6.83 6.592 ± 0.3705
13 1342 1342/1342 1342 ± 0.00002439 7.041 6.887/7.324 7.048 ± 0.4035
14 1342 1342/1342 1342 ± 0.00002439 7.314 7.12/7.515 7.256 ± 0.3923
15 1342 1342/1342 1342 ± 0.00002439 6.973 6.736/7.261 6.924 ± 0.3887
16 1342 1342/1342 1342 ± 0.00002439 6.246 6.008/6.38 6.217 ± 0.3922
17 1342 1342/1342 1342 ± 0.00004799 6.083 5.801/6.369 6.125 ± 0.4175
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
overwrite_modelcol
False
Start time
2025-04-19 06:29:25.056
End
2025-04-19 07:37:54.405
Duration
1:08:29.349
Note, WebLog generation is not included in the time.

CASA logs for stage 8