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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.25 5.177/5.868 5.48 ± 0.4423
ea02 1342 1342/1342 1342 ± 0 6.006 5.768/6.476 6.229 ± 0.5685
ea03 1342 1342/1342 1342 ± 0.000001621 6.12 5.533/6.732 6.178 ± 0.6515
ea04 1342 1342/1342 1342 ± 0.00002169 5.529 5.288/6.081 5.665 ± 0.4882
ea05 1342 1342/1342 1342 ± 0.00001848 5.683 5.38/6.53 5.889 ± 0.6111
ea06 1342 1342/1342 1342 ± 0.000005619 5.679 5.191/6.084 5.773 ± 0.5705
ea07 1342 1342/1342 1342 ± 0 5.68 5.349/6.315 5.926 ± 0.6513
ea08 1342 1342/1342 1342 ± 0 6.166 5.865/6.827 6.361 ± 0.6075
ea09 1342 1342/1342 1342 ± 0 5.525 5.21/6.418 5.712 ± 0.6224
ea10 1342 1342/1342 1342 ± 0 5.319 5.183/6.047 5.562 ± 0.5306
ea11 1342 1342/1342 1342 ± 0.00004178 5.384 4.971/6.185 5.597 ± 0.6055
ea12 1342 1342/1342 1342 ± 0.00003856 5.541 5.439/6.31 5.795 ± 0.5264
ea13 1342 1342/1342 1342 ± 0 5.887 5.68/6.481 6.06 ± 0.6335
ea14 1342 1342/1342 1342 ± 0 6.013 5.679/6.623 6.167 ± 0.55
ea15 1342 1342/1342 1342 ± 0.00003217 5.942 5.653/6.761 6.182 ± 0.6759
ea17 1342 1342/1342 1342 ± 0 5.966 5.817/7.041 6.289 ± 0.6536
ea18 1342 1342/1342 1342 ± 0 6.228 5.954/7.055 6.453 ± 0.6509
ea19 1342 1342/1342 1342 ± 0.00003977 5.71 5.455/6.533 5.956 ± 0.5697
ea20 1342 1342/1342 1342 ± 0 5.953 5.661/6.728 6.139 ± 0.5677
ea21 1342 1342/1342 1342 ± 0.000002226 5.276 5.15/5.881 5.536 ± 0.4747
ea22 1342 1342/1342 1342 ± 0 6.075 5.874/6.915 6.338 ± 0.6345
ea23 1342 1342/1342 1342 ± 0 5.688 5.512/6.355 5.988 ± 0.6087
ea24 1342 1342/1342 1342 ± 0 5.833 5.451/6.612 5.983 ± 0.5823
ea25 1342 1342/1342 1342 ± 0.000005122 6.463 5.771/6.897 6.473 ± 0.7466
ea28 1342 1342/1342 1342 ± 0 6.067 5.846/7.043 6.376 ± 0.6216
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 ± 0.00002392 5.561 5.408/5.763 5.575 ± 0.2939
4 1342 1342/1342 1342 ± 0.00003111 5.215 5.078/5.35 5.222 ± 0.3115
5 1342 1342/1342 1342 ± 0.00002392 5.468 5.31/5.743 5.535 ± 0.308
6 1342 1342/1342 1342 ± 0.00002392 5.453 5.23/5.703 5.451 ± 0.3028
7 1342 1342/1342 1342 ± 0.00002392 5.513 5.299/5.723 5.513 ± 0.2674
8 1342 1342/1342 1342 ± 0.00002392 5.449 5.252/5.667 5.444 ± 0.2874
9 1342 1342/1342 1342 ± 0.00002392 5.695 5.586/5.957 5.741 ± 0.3139
10 1342 1342/1342 1342 ± 0.00002392 6.218 6.025/6.374 6.159 ± 0.2891
11 1342 1342/1342 1342 ± 0.00002392 6.387 6.147/6.598 6.37 ± 0.3254
12 1342 1342/1342 1342 ± 0.00002392 6.535 6.306/6.736 6.516 ± 0.3562
13 1342 1342/1342 1342 ± 0.00002392 7.021 6.624/7.234 6.954 ± 0.379
14 1342 1342/1342 1342 ± 0.00002392 7.057 6.637/7.37 7.003 ± 0.4401
15 1342 1342/1342 1342 ± 0.00002392 6.85 6.498/7.118 6.786 ± 0.3745
16 1342 1342/1342 1342 ± 0.00004754 5.763 5.458/6.103 5.763 ± 0.4167
17 1342 1342/1342 1342 ± 0.00004715 5.63 5.356/5.846 5.602 ± 0.3569
output_dir
 
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-19 08:21:17.609
End
2025-07-19 09:27:28.949
Duration
1:06:11.340
Note, WebLog generation is not included in the time.

CASA logs for stage 8