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 5.191 4.971/5.651 5.297 ± 0.4574
ea02 1342 1342/1342 1342 ± 0 6.244 5.531/6.433 6.186 ± 0.6225
ea03 1342 1342/1342 1342 ± 0 6.044 5.369/6.669 6.103 ± 0.7379
ea04 1342 1342/1342 1342 ± 0.00002951 5.642 5.212/6.073 5.683 ± 0.55
ea05 1342 1342/1342 1342 ± 0.00002604 5.629 5.339/6.539 5.88 ± 0.655
ea06 1342 1342/1342 1342 ± 0 5.955 4.995/6.187 5.691 ± 0.6457
ea07 1342 1342/1342 1342 ± 0 6.051 5.168/6.247 5.875 ± 0.7166
ea08 1342 1342/1342 1342 ± 0 6.488 5.592/6.782 6.324 ± 0.6832
ea09 1342 1342/1342 1342 ± 0.00001085 5.579 5.141/6.44 5.705 ± 0.6696
ea10 1342 1342/1342 1342 ± 0 5.461 5.056/6.029 5.514 ± 0.5791
ea11 1342 1342/1342 1342 ± 0.00004014 5.305 4.98/6.155 5.532 ± 0.6682
ea12 1342 1342/1342 1342 ± 0.00001329 5.453 5.269/6.242 5.721 ± 0.5802
ea13 1342 1342/1342 1342 ± 0 5.915 5.557/6.434 6.009 ± 0.6653
ea14 1342 1342/1342 1342 ± 0.000001262 5.876 5.554/6.563 6.086 ± 0.5942
ea15 1342 1342/1342 1342 ± 0.00003438 5.907 5.597/6.683 6.159 ± 0.7242
ea17 1342 1342/1342 1342 ± 0 6.192 5.726/7.008 6.299 ± 0.6862
ea18 1342 1342/1342 1342 ± 0 6.436 5.789/7.079 6.392 ± 0.6971
ea19 1342 1342/1342 1342 ± 0 5.96 5.327/6.466 5.908 ± 0.6146
ea20 1342 1342/1342 1342 ± 0 5.812 5.597/6.702 6.063 ± 0.6413
ea21 1342 1342/1342 1342 ± 0 5.473 5.04/5.892 5.523 ± 0.5131
ea22 1342 1342/1342 1342 ± 0 6.412 5.832/6.878 6.343 ± 0.6808
ea23 1342 1342/1342 1342 ± 0 5.831 5.432/6.348 5.987 ± 0.6508
ea24 1342 1342/1342 1342 ± 0 6.081 5.075/6.506 5.794 ± 0.8334
ea25 1342 1342/1342 1342 ± 0 6.441 5.631/6.92 6.439 ± 0.8024
ea28 1342 1342/1342 1342 ± 0 6.031 5.68/6.963 6.271 ± 0.6764
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 ± 0.00002395 5.403 5.138/5.585 5.371 ± 0.3194
4 1342 1342/1342 1342 ± 0.0000264 5 4.833/5.217 4.976 ± 0.3156
5 1342 1342/1342 1342 ± 0.00002395 5.342 5.112/5.587 5.361 ± 0.3133
6 1342 1342/1342 1342 ± 0.00002395 5.306 5.102/5.579 5.314 ± 0.2875
7 1342 1342/1342 1342 ± 0.00002395 5.423 5.221/5.606 5.395 ± 0.2658
8 1342 1342/1342 1342 ± 0.00002395 5.341 5.144/5.593 5.337 ± 0.2936
9 1342 1342/1342 1342 ± 0.00002395 5.637 5.474/5.888 5.657 ± 0.3116
10 1342 1342/1342 1342 ± 0.00002395 6.184 5.951/6.329 6.116 ± 0.2933
11 1342 1342/1342 1342 ± 0.00002395 6.385 6.155/6.555 6.327 ± 0.3295
12 1342 1342/1342 1342 ± 0.00002395 6.468 6.239/6.709 6.467 ± 0.3634
13 1342 1342/1342 1342 ± 0.00002395 7.032 6.616/7.177 6.925 ± 0.3859
14 1342 1342/1342 1342 ± 0.00002395 7.193 6.8/7.432 7.081 ± 0.4063
15 1342 1342/1342 1342 ± 0.00002395 6.852 6.516/7.126 6.774 ± 0.3907
16 1342 1342/1342 1342 ± 0.00003601 5.93 5.698/6.369 6.02 ± 0.4705
17 1342 1342/1342 1342 ± 0.00004717 6.017 5.591/6.248 5.928 ± 0.4622
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-07-19 10:42:08.082
End
2025-07-19 11:31:56.578
Duration
0:49:48.496
Note, WebLog generation is not included in the time.

CASA logs for stage 8