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

Statwt Summary Plot

VLASS3.2.sb45478884.eb45758950.60430.75354622686_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 5.89 5.299/6.221 5.838 ± 0.5693
ea02 1342 1342/1342 1342 ± 0.00001836 6.253 5.559/6.44 6.125 ± 0.681
ea03 1342 1342/1342 1342 ± 0.0000177 6.075 5.376/6.712 6.072 ± 0.7187
ea04 1342 1342/1342 1342 ± 0.00001281 5.538 5.11/5.997 5.538 ± 0.614
ea05 1342 1342/1342 1342 ± 0.0000172 5.766 5.593/6.477 5.978 ± 0.6292
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 6.073 5.23/6.263 5.962 ± 0.6901
ea08 1342 1342/1342 1342 ± 0 6.508 5.687/6.843 6.378 ± 0.6479
ea09 1342 1342/1342 1342 ± 0.000004882 5.679 5.113/6.404 5.813 ± 0.6633
ea10 1342 1342/1342 1342 ± 0 5.441 5.042/6.097 5.586 ± 0.6
ea11 1342 1342/1342 1342 ± 0.0000234 5.407 5.216/6.157 5.593 ± 0.6717
ea12 1342 1342/1342 1342 ± 0 5.46 5.316/6.323 5.731 ± 0.6288
ea13 1342 1342/1342 1342 ± 0 6.108 5.48/6.287 6.015 ± 0.5636
ea14 1342 1342/1342 1342 ± 0.00001949 5.931 5.472/6.506 6.068 ± 0.5794
ea15 1342 1342/1342 1342 ± 0.00002155 5.955 5.274/6.388 5.943 ± 0.7084
ea16 1342 1342/1342 1342 ± 0 6.11 5.602/6.708 6.181 ± 0.6982
ea17 1342 1342/1342 1342 ± 0 6.207 5.716/7.025 6.244 ± 0.7589
ea18 1342 1342/1342 1342 ± 0 6.578 5.891/7.134 6.484 ± 0.6594
ea19 1342 1342/1342 1342 ± 0 5.741 5.257/6.46 5.873 ± 0.6155
ea20 1342 1342/1342 1342 ± 0 6.088 5.564/6.48 6.119 ± 0.5839
ea21 1342 1342/1342 1342 ± 0 5.638 5.154/6.109 5.684 ± 0.5526
ea22 1342 1342/1342 1342 ± 0 6.556 6.035/7.244 6.57 ± 0.6332
ea23 1342 1342/1342 1342 ± 0.000004497 5.864 5.478/6.386 6.065 ± 0.6664
ea24 1342 1342/1342 1342 ± 0 6.069 5.246/6.489 5.875 ± 0.602
ea25 1342 1342/1342 1342 ± 0 6.551 5.609/6.904 6.437 ± 0.8029
ea27 1342 1342/1342 1342 ± 0 5.809 5.374/6.495 5.911 ± 0.6071
ea28 1342 1342/1342 1342 ± 0 6.318 5.676/6.92 6.331 ± 0.6683
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 ± 0.00002398 5.42 5.299/5.565 5.444 ± 0.2004
4 1342 1342/1342 1342 ± 0.00003253 5.152 4.81/5.406 5.165 ± 0.3825
5 1342 1342/1342 1342 ± 0.00003083 5.139 4.903/5.543 5.164 ± 0.3826
6 1342 1342/1342 1342 ± 0.00002398 5.224 5.035/5.46 5.239 ± 0.2902
7 1342 1342/1342 1342 ± 0.00002398 5.361 5.23/5.542 5.362 ± 0.2257
8 1342 1342/1342 1342 ± 0.00002398 5.294 5.138/5.521 5.321 ± 0.2563
9 1342 1342/1342 1342 ± 0.00002398 5.602 5.456/5.88 5.648 ± 0.2845
10 1342 1342/1342 1342 ± 0.00002376 6.082 5.94/6.261 6.115 ± 0.2527
11 1342 1342/1342 1342 ± 0.0000235 6.337 6.147/6.482 6.346 ± 0.2717
12 1342 1342/1342 1342 ± 0.0000235 6.438 6.287/6.711 6.502 ± 0.2986
13 1342 1342/1342 1342 ± 0.0000235 6.892 6.695/7.165 6.939 ± 0.3181
14 1342 1342/1342 1342 ± 0.0000235 7.109 6.87/7.409 7.101 ± 0.3243
15 1342 1342/1342 1342 ± 0.0000235 6.691 6.51/7.078 6.749 ± 0.3667
16 1342 1342/1342 1342 ± 0.00003215 6.123 5.735/6.304 6.048 ± 0.4131
17 1342 1342/1342 1342 ± 0.00003041 6.068 5.75/6.264 6.023 ± 0.3714
output_dir
 
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-18 13:30:58.244
End
2025-07-18 14:49:46.388
Duration
1:18:48.144
Note, WebLog generation is not included in the time.

CASA logs for stage 8