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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.452 5.202/6.187 5.59 ± 0.8708
ea02 1342 1342/1342 1342 ± 0.000008712 5.686 5.234/6.387 5.695 ± 0.8603
ea03 1342 1342/1342 1342 ± 0 5.359 5.225/6.637 5.814 ± 0.7694
ea04 1342 1342/1342 1342 ± 0.00004653 5.097 4.937/6.022 5.259 ± 0.7197
ea05 1342 1342/1342 1342 ± 0.00004877 5.346 5.041/6.399 5.533 ± 0.848
ea06 1342 1342/1342 1342 ± 0.00001682 5.163 4.806/6.003 5.424 ± 0.709
ea07 1342 1342/1342 1342 ± 0.00002769 5.127 4.945/6.214 5.422 ± 0.9501
ea08 1342 1342/1342 1342 ± 0 5.616 5.406/6.698 5.861 ± 0.9438
ea09 1342 1342/1342 1342 ± 0.00004642 5.044 4.7/6.011 5.197 ± 0.7524
ea10 1342 1342/1342 1342 ± 0.00004403 5.04 4.672/6.016 5.177 ± 0.8093
ea11 1342 1342/1342 1342 ± 0.00004998 5.235 4.557/6.217 5.259 ± 0.8892
ea12 1342 1342/1342 1342 ± 0.00004252 5.057 4.889/5.898 5.23 ± 0.7716
ea14 1342 1342/1342 1342 ± 0.00004812 5.506 5.255/6.474 5.602 ± 0.8337
ea15 1342 1342/1342 1342 ± 0.00004908 5.517 5.375/6.565 5.688 ± 0.9162
ea16 1342 1342/1342 1342 ± 0.00001986 5.745 5.269/6.602 5.903 ± 0.7995
ea17 1342 1342/1342 1342 ± 0.00003134 5.572 5.223/6.473 5.664 ± 1.005
ea18 1342 1342/1342 1342 ± 0 5.715 5.493/6.842 5.979 ± 0.8896
ea19 1342 1342/1342 1342 ± 0.00004094 5.185 5.051/6.318 5.505 ± 0.8622
ea20 1342 1342/1342 1342 ± 0.00004128 5.828 5.612/6.901 5.954 ± 0.9099
ea21 1342 1342/1342 1342 ± 0.000004521 5.096 4.949/5.924 5.383 ± 0.6264
ea22 1342 1342/1342 1342 ± 0 5.576 5.123/6.389 5.627 ± 0.8521
ea23 1342 1342/1342 1342 ± 0.00004772 5.495 5.102/6.33 5.575 ± 0.8907
ea24 1342 1342/1342 1342 ± 0.000006389 5.246 5.015/6.328 5.613 ± 0.7157
ea25 1342 1342/1342 1342 ± 0.00001152 5.77 5.382/6.863 6.117 ± 0.9138
ea27 1342 1342/1342 1342 ± 0.000005278 5.369 5.07/6.366 5.592 ± 0.7526
ea28 1342 1342/1342 1342 ± 0 5.71 5.576/6.749 5.967 ± 0.7604
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 ± 0.00002352 5.129 4.97/5.265 5.145 ± 0.2534
3 1342 1342/1342 1342 ± 0.00004045 3.882 3.439/4.23 3.85 ± 0.4981
5 1342 1342/1342 1342 ± 0.00002478 5.066 4.926/5.396 5.138 ± 0.322
6 1342 1342/1342 1342 ± 0.00002352 5.217 4.984/5.493 5.225 ± 0.2856
7 1342 1342/1342 1342 ± 0.00002352 5.248 5.014/5.411 5.217 ± 0.2553
8 1342 1342/1342 1342 ± 0.00002352 5.229 5.049/5.443 5.224 ± 0.2809
9 1342 1342/1342 1342 ± 0.00002352 5.5 5.335/5.714 5.511 ± 0.2979
10 1342 1342/1342 1342 ± 0.00002352 6.085 5.927/6.227 6.079 ± 0.2744
11 1342 1342/1342 1342 ± 0.00002352 6.377 6.185/6.503 6.36 ± 0.2779
12 1342 1342/1342 1342 ± 0.00002352 6.555 6.257/6.639 6.509 ± 0.3117
13 1342 1342/1342 1342 ± 0.00002354 6.852 6.429/7.133 6.814 ± 0.3569
14 1342 1342/1342 1342 ± 0.00005133 6.014 5.677/6.429 6.122 ± 0.6117
15 1342 1342/1342 1342 ± 0.00002352 6.686 6.328/6.982 6.67 ± 0.3591
16 1342 1342/1342 1342 ± 0.00006101 4.19 3.939/4.649 4.31 ± 0.4531
17 1342 1342/1342 1342 ± 0.00006101 4.223 4.023/4.506 4.29 ± 0.3467
output_dir
 
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-22 16:25:49.747
End
2025-07-22 17:09:41.804
Duration
0:43:52.057
Note, WebLog generation is not included in the time.

CASA logs for stage 8