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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.073 5.739/6.656 6.169 ± 0.6801
ea02 1342 1342/1342 1342 ± 0 6.336 5.68/6.508 6.269 ± 0.6121
ea03 1342 1342/1342 1342 ± 0 6.219 5.497/6.857 6.262 ± 0.7564
ea04 1342 1342/1342 1342 ± 0.000004692 5.605 5.084/6.047 5.651 ± 0.5607
ea05 1342 1342/1342 1342 ± 0 5.842 5.432/6.694 5.993 ± 0.7367
ea06 1342 1342/1342 1342 ± 0 6.124 5.207/6.307 5.875 ± 0.6619
ea07 1342 1342/1342 1342 ± 0 5.9 5.332/6.422 5.963 ± 0.7203
ea08 1342 1342/1342 1342 ± 0 6.531 5.785/6.931 6.502 ± 0.696
ea09 1342 1342/1342 1342 ± 0 5.759 5.198/6.521 5.851 ± 0.6632
ea10 1342 1342/1342 1342 ± 0 5.774 5.31/6.267 5.715 ± 0.8118
ea11 1342 1342/1342 1342 ± 0 5.666 5.292/6.567 5.85 ± 0.7545
ea12 1342 1342/1342 1342 ± 0 5.668 5.306/6.2 5.786 ± 0.692
ea13 1342 1342/1342 1342 ± 0 6.142 5.66/6.419 6.127 ± 0.5216
ea14 1342 1342/1342 1342 ± 0 6.112 5.598/6.562 6.112 ± 0.7264
ea15 1342 1342/1342 1342 ± 0 6.265 5.641/6.699 6.247 ± 0.6886
ea16 1342 1342/1342 1342 ± 0 6.253 5.819/6.774 6.373 ± 0.6723
ea17 1342 1342/1342 1342 ± 0 6.202 5.827/6.945 6.351 ± 0.8292
ea18 1342 1342/1342 1342 ± 0 6.543 5.943/7.198 6.505 ± 0.7032
ea19 1342 1342/1342 1342 ± 0 6.032 5.532/6.598 6.116 ± 0.7101
ea20 1342 1342/1342 1342 ± 0 6.05 5.819/6.121 5.897 ± 0.4583
ea21 1342 1342/1342 1342 ± 0 5.47 5.07/5.868 5.531 ± 0.5045
ea22 1342 1342/1342 1342 ± 0 6.205 5.53/6.521 6.024 ± 0.6418
ea23 1342 1342/1342 1342 ± 0 6.183 5.489/6.331 6.072 ± 0.6409
ea24 1342 1342/1342 1342 ± 0 6.33 5.408/6.784 6.117 ± 0.6627
ea25 1342 1342/1342 1342 ± 0 6.623 5.81/7.21 6.596 ± 0.841
ea27 1342 1342/1342 1342 ± 0 6.007 5.397/6.465 5.95 ± 0.5819
ea28 1342 1342/1342 1342 ± 0 6.53 5.799/7.11 6.483 ± 0.6898
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 ± 0.00002308 5.547 5.367/5.734 5.563 ± 0.2638
3 1342 1342/1342 1342 ± 0.00003298 4.64 4.386/5.07 4.738 ± 0.6132
4 1342 1342/1342 1342 ± 0.00002308 5.393 5.247/5.663 5.44 ± 0.3035
5 1342 1342/1342 1342 ± 0.00002308 5.512 5.259/5.777 5.558 ± 0.3014
6 1342 1342/1342 1342 ± 0.00002308 5.475 5.174/5.705 5.443 ± 0.2829
7 1342 1342/1342 1342 ± 0.00002308 5.546 5.414/5.777 5.562 ± 0.2591
8 1342 1342/1342 1342 ± 0.00002308 5.509 5.227/5.657 5.488 ± 0.2965
9 1342 1342/1342 1342 ± 0.00002308 5.803 5.662/6.007 5.807 ± 0.305
10 1342 1342/1342 1342 ± 0.0000235 6.264 6.119/6.361 6.242 ± 0.269
11 1342 1342/1342 1342 ± 0.0000235 6.455 6.25/6.672 6.461 ± 0.2859
12 1342 1342/1342 1342 ± 0.0000235 6.59 6.377/6.794 6.606 ± 0.3314
13 1342 1342/1342 1342 ± 0.0000235 7.038 6.793/7.348 7.071 ± 0.3452
14 1342 1342/1342 1342 ± 0.0000235 7.317 7.045/7.493 7.282 ± 0.3644
15 1342 1342/1342 1342 ± 0.0000235 7.003 6.689/7.277 6.989 ± 0.3674
16 1342 1342/1342 1342 ± 0.0000235 6.364 6.034/6.694 6.362 ± 0.3995
17 1342 1342/1342 1342 ± 0.0000235 6.312 6.078/6.559 6.315 ± 0.3812
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
overwrite_modelcol
False
Start time
2025-07-30 11:01:23.287
End
2025-07-30 12:01:52.290
Duration
1:00:29.002
Note, WebLog generation is not included in the time.

CASA logs for stage 8