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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.249 5.543/6.671 6.137 ± 0.6528
ea02 1342 1342/1342 1342 ± 0 5.836 5.1/6.064 5.722 ± 0.6288
ea03 1342 1342/1342 1342 ± 0 6.25 5.424/6.896 6.234 ± 0.8091
ea04 1342 1342/1342 1342 ± 0 5.647 5.092/6.105 5.629 ± 0.6302
ea05 1342 1342/1342 1342 ± 0 6.108 5.342/6.845 6.064 ± 0.7221
ea06 1342 1342/1342 1342 ± 0 6.278 5.214/6.515 5.995 ± 0.7378
ea07 1342 1342/1342 1342 ± 0 5.899 5.07/6.278 5.757 ± 0.7482
ea08 1342 1342/1342 1342 ± 0 5.848 4.82/6.064 5.588 ± 0.7255
ea09 1342 1342/1342 1342 ± 0 5.562 4.926/6.261 5.556 ± 0.6651
ea10 1342 1342/1342 1342 ± 0 5.777 5.117/6.249 5.712 ± 0.633
ea11 1342 1342/1342 1342 ± 0 5.755 5.354/6.575 5.894 ± 0.7471
ea12 1342 1342/1342 1342 ± 0 5.81 5.207/6.441 5.855 ± 0.6681
ea13 1342 1342/1342 1342 ± 0 5.425 4.642/5.636 5.275 ± 0.5652
ea14 1342 1342/1342 1342 ± 0 6.179 5.573/6.637 6.186 ± 0.6444
ea15 1342 1342/1342 1342 ± 0 6.108 5.498/6.625 6.083 ± 0.706
ea16 1342 1342/1342 1342 ± 0 6.364 5.765/6.915 6.408 ± 0.7547
ea17 1342 1342/1342 1342 ± 0 6.106 5.558/6.965 6.225 ± 0.7368
ea18 1342 1342/1342 1342 ± 0 6.004 5.558/6.358 5.875 ± 0.5823
ea19 1342 1342/1342 1342 ± 0 6.175 5.451/6.728 6.127 ± 0.7088
ea20 1342 1342/1342 1342 ± 0 6.047 5.504/6.711 6.036 ± 0.6947
ea21 1342 1342/1342 1342 ± 0 5.661 5.081/6.046 5.607 ± 0.6047
ea22 1342 1342/1342 1342 ± 0 5.636 4.853/5.975 5.478 ± 0.6445
ea23 1342 1342/1342 1342 ± 0 6.251 5.431/6.406 6.091 ± 0.7198
ea24 1342 1342/1342 1342 ± 0 5.721 5.51/5.955 5.667 ± 0.3847
ea25 1342 1342/1342 1342 ± 0 6.588 5.682/7.151 6.532 ± 0.8742
ea27 1342 1342/1342 1342 ± 0 6.114 5.296/6.529 5.972 ± 0.7013
ea28 1342 1342/1342 1342 ± 0 5.872 5.182/6.44 5.754 ± 0.6694
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 5.362 5.118/5.486 5.279 ± 0.3119
4 1342 1342/1342 1342 ± 0.00002392 5.083 4.85/5.266 5.1 ± 0.3485
5 1342 1342/1342 1342 ± 0.00002461 5.116 4.93/5.269 5.143 ± 0.2614
6 1342 1342/1342 1342 ± 0.00002392 5.102 4.871/5.297 5.098 ± 0.2715
7 1342 1342/1342 1342 ± 0.00002367 5.35 4.921/5.496 5.267 ± 0.2943
8 1342 1342/1342 1342 ± 0.00002343 5.198 5.033/5.518 5.252 ± 0.3339
9 1342 1342/1342 1342 ± 0.00002343 5.626 5.35/5.836 5.597 ± 0.3448
10 1342 1342/1342 1342 ± 0.00002343 6.11 5.833/6.289 6.054 ± 0.2996
11 1342 1342/1342 1342 ± 0.00002343 6.3 6.006/6.575 6.282 ± 0.3104
12 1342 1342/1342 1342 ± 0.00002306 6.44 6.086/6.728 6.407 ± 0.3853
13 1342 1342/1342 1342 ± 0.00002306 6.868 6.57/7.214 6.87 ± 0.4341
14 1342 1342/1342 1342 ± 0.00002306 7.079 6.724/7.337 7.008 ± 0.4509
15 1342 1342/1342 1342 ± 0.00002306 6.742 6.425/7.015 6.739 ± 0.4152
16 1342 1342/1342 1342 ± 0.00002306 6.124 5.879/6.465 6.174 ± 0.393
17 1342 1342/1342 1342 ± 0.00002306 6.065 5.816/6.488 6.101 ± 0.3993
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-08-04 21:48:46.827
End
2025-08-04 22:22:44.479
Duration
0:33:57.653
Note, WebLog generation is not included in the time.

CASA logs for stage 8