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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.23 5.703/6.683 6.22 ± 0.7071
ea02 1342 1342/1342 1342 ± 0.000004992 6.338 5.632/6.479 6.251 ± 0.6251
ea03 1342 1342/1342 1342 ± 0.000004988 6.217 5.489/6.819 6.259 ± 0.7545
ea04 1342 1342/1342 1342 ± 0 5.674 5.158/6.159 5.742 ± 0.5925
ea05 1342 1342/1342 1342 ± 0.000001275 6.064 5.414/6.738 6.036 ± 0.7233
ea06 1342 1342/1342 1342 ± 0 6.137 5.132/6.338 5.869 ± 0.6833
ea07 1342 1342/1342 1342 ± 0 6.162 5.358/6.549 6.058 ± 0.7303
ea08 1342 1342/1342 1342 ± 0 6.666 5.725/6.884 6.464 ± 0.6915
ea09 1342 1342/1342 1342 ± 0 5.751 5.169/6.477 5.867 ± 0.6843
ea10 1342 1342/1342 1342 ± 0 5.912 5.226/6.334 5.831 ± 0.6245
ea11 1342 1342/1342 1342 ± 0.000001277 5.704 5.39/6.545 5.886 ± 0.7328
ea12 1342 1342/1342 1342 ± 0 5.783 5.28/6.375 5.831 ± 0.6591
ea13 1342 1342/1342 1342 ± 0 6.151 5.631/6.348 6.098 ± 0.5366
ea14 1342 1342/1342 1342 ± 0 6.285 5.621/6.569 6.17 ± 0.6389
ea15 1342 1342/1342 1342 ± 0 6.249 5.616/6.659 6.241 ± 0.705
ea16 1342 1342/1342 1342 ± 0 6.256 5.823/6.786 6.366 ± 0.68
ea17 1342 1342/1342 1342 ± 0 6.327 5.825/7.152 6.4 ± 0.7873
ea18 1342 1342/1342 1342 ± 0 6.537 5.929/7.225 6.514 ± 0.7183
ea19 1342 1342/1342 1342 ± 0 6.216 5.494/6.717 6.139 ± 0.6996
ea20 1342 1342/1342 1342 ± 0 6.025 5.665/6.096 5.871 ± 0.4263
ea21 1342 1342/1342 1342 ± 0 5.562 5.111/5.933 5.586 ± 0.5236
ea22 1342 1342/1342 1342 ± 0 6.204 5.53/6.569 6.05 ± 0.637
ea23 1342 1342/1342 1342 ± 0 6.159 5.497/6.341 6.081 ± 0.6681
ea24 1342 1342/1342 1342 ± 0 6.288 5.342/6.677 6.062 ± 0.6902
ea25 1342 1342/1342 1342 ± 0 6.593 5.729/7.157 6.546 ± 0.8505
ea27 1342 1342/1342 1342 ± 0 5.985 5.31/6.382 5.889 ± 0.6115
ea28 1342 1342/1342 1342 ± 0 6.533 5.782/7.094 6.487 ± 0.7165
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 5.5 5.305/5.665 5.513 ± 0.2557
3 1342 1342/1342 1342 ± 0.00003258 4.576 4.249/5.111 4.685 ± 0.5079
4 1342 1342/1342 1342 ± 0.00002309 5.382 5.152/5.643 5.401 ± 0.2995
5 1342 1342/1342 1342 ± 0.00002311 5.433 5.177/5.754 5.485 ± 0.2983
6 1342 1342/1342 1342 ± 0.00002309 5.45 5.144/5.596 5.396 ± 0.2731
7 1342 1342/1342 1342 ± 0.00002309 5.536 5.396/5.756 5.555 ± 0.2427
8 1342 1342/1342 1342 ± 0.00002309 5.507 5.236/5.669 5.477 ± 0.2842
9 1342 1342/1342 1342 ± 0.00002309 5.761 5.652/5.967 5.794 ± 0.2873
10 1342 1342/1342 1342 ± 0.00002351 6.253 6.141/6.332 6.231 ± 0.2484
11 1342 1342/1342 1342 ± 0.00002351 6.467 6.234/6.602 6.444 ± 0.2654
12 1342 1342/1342 1342 ± 0.00002351 6.575 6.35/6.763 6.588 ± 0.3132
13 1342 1342/1342 1342 ± 0.00002351 7.082 6.775/7.321 7.061 ± 0.3234
14 1342 1342/1342 1342 ± 0.00002351 7.352 7.087/7.521 7.317 ± 0.3414
15 1342 1342/1342 1342 ± 0.00002351 6.992 6.72/7.282 7.009 ± 0.3441
16 1342 1342/1342 1342 ± 0.00002351 6.351 6.067/6.735 6.396 ± 0.3855
17 1342 1342/1342 1342 ± 0.00002351 6.368 6.165/6.622 6.356 ± 0.3689
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-30 05:47:46.186
End
2025-07-30 06:38:45.261
Duration
0:50:59.074
Note, WebLog generation is not included in the time.

CASA logs for stage 8