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 5.365 5.177/6.438 5.668 ± 0.8327
ea02 1342 1342/1342 1342 ± 0.000004001 5.572 5.134/6.221 5.648 ± 0.8188
ea03 1342 1342/1342 1342 ± 0 5.627 5.075/6.499 5.693 ± 0.8473
ea04 1342 1342/1342 1342 ± 0.00004684 5.002 4.822/5.861 5.195 ± 0.7861
ea05 1342 1342/1342 1342 ± 0.00004059 5.165 4.988/6.276 5.45 ± 0.9026
ea06 1342 1342/1342 1342 ± 0 5.173 4.75/5.801 5.308 ± 0.7392
ea07 1342 1342/1342 1342 ± 0.000008722 4.969 4.837/6.085 5.337 ± 0.9643
ea08 1342 1342/1342 1342 ± 0 5.519 5.289/6.536 5.783 ± 0.8625
ea09 1342 1342/1342 1342 ± 0.00004098 4.899 4.712/6.025 5.192 ± 0.7474
ea10 1342 1342/1342 1342 ± 0.00004233 4.956 4.653/5.979 5.186 ± 0.7914
ea11 1342 1342/1342 1342 ± 0.000043 5.083 4.576/6.113 5.166 ± 0.9732
ea12 1342 1342/1342 1342 ± 0.0000339 4.971 4.77/5.803 5.185 ± 0.7699
ea14 1342 1342/1342 1342 ± 0.00004151 5.437 5.24/6.286 5.658 ± 0.7493
ea15 1342 1342/1342 1342 ± 0.00004206 5.481 5.297/6.451 5.739 ± 0.9021
ea16 1342 1342/1342 1342 ± 0 5.596 5.322/6.438 5.755 ± 0.8585
ea17 1342 1342/1342 1342 ± 0.00002506 5.427 5.088/6.403 5.602 ± 0.9548
ea18 1342 1342/1342 1342 ± 0 5.643 5.371/6.588 5.853 ± 0.8599
ea19 1342 1342/1342 1342 ± 0.00001665 5.136 4.885/6.136 5.421 ± 0.8223
ea20 1342 1342/1342 1342 ± 0.00003524 5.662 5.449/6.746 5.861 ± 0.9857
ea21 1342 1342/1342 1342 ± 0 5.031 4.86/5.768 5.244 ± 0.6485
ea22 1342 1342/1342 1342 ± 0 5.384 4.967/6.25 5.509 ± 0.8869
ea23 1342 1342/1342 1342 ± 0.00004178 5.349 5.028/6.234 5.627 ± 0.8024
ea24 1342 1342/1342 1342 ± 0.000003192 5.354 4.993/6.438 5.558 ± 0.8171
ea25 1342 1342/1342 1342 ± 0 5.889 5.314/6.689 5.993 ± 0.9225
ea27 1342 1342/1342 1342 ± 0.000001207 5.321 5.06/6.266 5.517 ± 0.7428
ea28 1342 1342/1342 1342 ± 0.00001438 5.555 5.375/6.781 5.87 ± 0.8696
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 ± 0.0000235 5.054 4.822/5.182 5.063 ± 0.2593
3 1342 1342/1342 1342 ± 0.00003509 4.103 3.67/4.474 4.091 ± 0.5006
4 1342 1342/1342 1342 ± 0.00002916 3.846 3.704/3.958 3.854 ± 0.2279
5 1342 1342/1342 1342 ± 0.0000235 5.089 4.873/5.347 5.112 ± 0.2905
6 1342 1342/1342 1342 ± 0.0000235 5.066 4.819/5.326 5.065 ± 0.2713
7 1342 1342/1342 1342 ± 0.0000235 5.138 4.894/5.32 5.123 ± 0.2539
8 1342 1342/1342 1342 ± 0.0000235 5.079 4.902/5.304 5.1 ± 0.2835
9 1342 1342/1342 1342 ± 0.0000235 5.397 5.168/5.608 5.41 ± 0.2898
10 1342 1342/1342 1342 ± 0.0000235 5.96 5.794/6.077 5.944 ± 0.268
11 1342 1342/1342 1342 ± 0.0000235 6.191 6.037/6.342 6.173 ± 0.2706
12 1342 1342/1342 1342 ± 0.0000235 6.326 6.102/6.5 6.332 ± 0.306
13 1342 1342/1342 1342 ± 0.0000235 6.752 6.525/6.988 6.762 ± 0.3227
14 1342 1342/1342 1342 ± 0.0000235 6.845 6.615/7.067 6.822 ± 0.3338
15 1342 1342/1342 1342 ± 0.0000235 6.716 6.275/6.914 6.621 ± 0.349
16 1342 1342/1342 1342 ± 0.00005976 5.208 4.987/5.394 5.231 ± 0.3276
17 1342 1342/1342 1342 ± 0.00006063 4.996 4.84/5.219 5.064 ± 0.3167
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-22 07:12:36.094
End
2025-07-22 08:10:41.577
Duration
0:58:05.483
Note, WebLog generation is not included in the time.

CASA logs for stage 8