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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.52 5.968/6.862 6.483 ± 0.5921
ea03 1342 1342/1342 1342 ± 0 5.723 5.195/6.711 5.913 ± 0.7198
ea04 1342 1342/1342 1342 ± 0 6.256 5.746/6.787 6.337 ± 0.6779
ea05 1342 1342/1342 1342 ± 0 6.227 5.858/7.066 6.401 ± 0.7285
ea06 1342 1342/1342 1342 ± 0 6.469 5.878/6.833 6.382 ± 0.6229
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.059 5.649/6.706 6.206 ± 0.6143
ea09 1342 1342/1342 1342 ± 0 6.192 5.544/6.908 6.276 ± 0.6814
ea10 1342 1342/1342 1342 ± 0 7.125 6.81/7.35 7.053 ± 0.4305
ea11 1342 1342/1342 1342 ± 0 6.288 5.622/6.88 6.34 ± 0.726
ea12 1342 1342/1342 1342 ± 0 6.598 5.895/7.033 6.601 ± 0.704
ea13 1342 1342/1342 1342 ± 0 5.873 5.509/6.239 5.944 ± 0.4235
ea14 1342 1342/1342 1342 ± 0 6.649 5.877/7.043 6.582 ± 0.7112
ea15 1342 1342/1342 1342 ± 0 6.056 5.462/6.605 6.094 ± 0.658
ea16 1342 1342/1342 1342 ± 0 6.564 5.963/7.063 6.607 ± 0.7304
ea17 1342 1342/1342 1342 ± 0 6.907 6.437/7.888 7.108 ± 0.7336
ea18 1342 1342/1342 1342 ± 0 5.267 4.87/5.676 5.313 ± 0.537
ea19 1342 1342/1342 1342 ± 0 6.761 6.041/7.313 6.698 ± 0.6965
ea20 1342 1342/1342 1342 ± 0 5.949 5.629/6.746 6.131 ± 0.6127
ea21 1342 1342/1342 1342 ± 0 5.503 5.26/6.072 5.695 ± 0.4788
ea22 1342 1342/1342 1342 ± 0 6.318 5.561/6.655 6.178 ± 0.6134
ea23 1342 1342/1342 1342 ± 0 6.315 5.96/6.951 6.526 ± 0.6962
ea24 1342 1342/1342 1342 ± 0 6.151 5.49/6.641 6.062 ± 0.5716
ea25 1342 1342/1342 1342 ± 0 6.907 6.043/7.24 6.774 ± 0.8149
ea26 1342 1342/1342 1342 ± 0 6.768 6.139/7.491 6.829 ± 0.7253
ea27 1342 1342/1342 1342 ± 0 6.099 5.767/7.081 6.372 ± 0.6738
ea28 1342 1342/1342 1342 ± 0 6.28 5.953/7.148 6.55 ± 0.6758
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 5.801 5.596/6.108 5.795 ± 0.3377
4 1342 1342/1342 1342 ± 0.00002392 5.492 5.294/5.779 5.528 ± 0.4334
5 1342 1342/1342 1342 ± 0.00002392 5.861 5.527/5.97 5.755 ± 0.3606
6 1342 1342/1342 1342 ± 0.00002392 5.75 5.513/5.883 5.679 ± 0.3071
7 1342 1342/1342 1342 ± 0.00002392 5.822 5.568/5.954 5.752 ± 0.3192
8 1342 1342/1342 1342 ± 0.00002392 5.685 5.458/5.963 5.71 ± 0.3707
9 1342 1342/1342 1342 ± 0.00002392 6.037 5.79/6.282 6.01 ± 0.3636
10 1342 1342/1342 1342 ± 0.00002348 6.587 6.257/6.719 6.484 ± 0.3574
11 1342 1342/1342 1342 ± 0.00002348 6.814 6.594/6.997 6.73 ± 0.3779
12 1342 1342/1342 1342 ± 0.00002348 6.89 6.678/7.086 6.863 ± 0.4393
13 1342 1342/1342 1342 ± 0.00002348 7.384 7.075/7.753 7.344 ± 0.4966
14 1342 1342/1342 1342 ± 0.00002348 7.586 7.268/7.91 7.537 ± 0.5036
15 1342 1342/1342 1342 ± 0.00002348 7.105 6.88/7.518 7.145 ± 0.4619
16 1342 1342/1342 1342 ± 0.00002348 6.41 6.086/6.768 6.423 ± 0.4945
17 1342 1342/1342 1342 ± 0.00002348 6.334 6.073/6.701 6.347 ± 0.4897
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-06-12 01:52:53.188
End
2025-06-12 02:41:11.274
Duration
0:48:18.087
Note, WebLog generation is not included in the time.

CASA logs for stage 8