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

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_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 6.202 5.693/6.546 6.096 ± 0.6815
ea02 1342 1342/1342 1342 ± 0 6.353 5.635/6.517 6.218 ± 0.6653
ea03 1342 1342/1342 1342 ± 0 6.167 5.5/6.76 6.212 ± 0.7124
ea04 1342 1342/1342 1342 ± 0.000007821 5.514 5.001/5.935 5.469 ± 0.6115
ea05 1342 1342/1342 1342 ± 0.000008328 6.081 5.41/6.744 5.991 ± 0.7269
ea06 1342 1342/1342 1342 ± 0 6.068 5.177/6.179 5.813 ± 0.6169
ea07 1342 1342/1342 1342 ± 0.000001915 6.096 5.348/6.395 5.947 ± 0.715
ea08 1342 1342/1342 1342 ± 0 6.608 5.749/6.885 6.423 ± 0.6744
ea09 1342 1342/1342 1342 ± 0 5.778 5.268/6.534 5.905 ± 0.6819
ea10 1342 1342/1342 1342 ± 0.000003131 5.614 5.025/6.038 5.505 ± 0.6489
ea11 1342 1342/1342 1342 ± 0.0000109 5.473 5.168/6.266 5.599 ± 0.6995
ea12 1342 1342/1342 1342 ± 0.000001564 5.664 5.309/6.305 5.761 ± 0.657
ea13 1342 1342/1342 1342 ± 0.00001961 5.981 5.567/6.262 5.857 ± 0.7047
ea14 1342 1342/1342 1342 ± 0.00001085 6.138 5.652/6.59 6.126 ± 0.693
ea15 1342 1342/1342 1342 ± 0.00002131 6.242 5.631/6.678 6.145 ± 0.8261
ea16 1342 1342/1342 1342 ± 0 6.263 5.701/6.803 6.306 ± 0.742
ea17 1342 1342/1342 1342 ± 0.000002211 6.282 5.847/7.087 6.344 ± 0.777
ea18 1342 1342/1342 1342 ± 0 6.564 5.982/7.221 6.526 ± 0.6908
ea19 1342 1342/1342 1342 ± 0.000001564 6.138 5.513/6.64 6.013 ± 0.6919
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.472 5.135/5.921 5.583 ± 0.4942
ea22 1342 1342/1342 1342 ± 0 6.369 5.681/6.747 6.168 ± 0.678
ea23 1342 1342/1342 1342 ± 0.00001385 6.17 5.509/6.382 6.024 ± 0.738
ea24 1342 1342/1342 1342 ± 0 6.292 5.344/6.678 6.023 ± 0.6936
ea25 1342 1342/1342 1342 ± 0 6.534 5.803/7.056 6.532 ± 0.8049
ea27 1342 1342/1342 1342 ± 0.000001564 6.051 5.272/6.514 5.923 ± 0.7179
ea28 1342 1342/1342 1342 ± 0 6.364 5.754/6.898 6.356 ± 0.6384
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 5.513 5.327/5.732 5.53 ± 0.2756
3 1342 1342/1342 1342 ± 0.0000414 4.702 4.439/5.148 4.78 ± 0.5174
4 1342 1342/1342 1342 ± 0.0000235 5.393 5.131/5.622 5.371 ± 0.342
5 1342 1342/1342 1342 ± 0.0000235 5.508 5.274/5.813 5.545 ± 0.3304
6 1342 1342/1342 1342 ± 0.0000235 5.337 5.045/5.521 5.301 ± 0.305
7 1342 1342/1342 1342 ± 0.0000235 5.57 5.42/5.731 5.533 ± 0.2598
8 1342 1342/1342 1342 ± 0.0000235 5.476 5.267/5.649 5.455 ± 0.2824
9 1342 1342/1342 1342 ± 0.0000235 5.743 5.644/5.987 5.764 ± 0.293
10 1342 1342/1342 1342 ± 0.0000235 6.26 6.077/6.337 6.2 ± 0.2585
11 1342 1342/1342 1342 ± 0.0000235 6.472 6.251/6.576 6.414 ± 0.2885
12 1342 1342/1342 1342 ± 0.0000235 6.593 6.303/6.781 6.555 ± 0.3372
13 1342 1342/1342 1342 ± 0.0000235 7.084 6.722/7.288 7.02 ± 0.3646
14 1342 1342/1342 1342 ± 0.0000235 7.29 6.985/7.478 7.233 ± 0.3841
15 1342 1342/1342 1342 ± 0.0000235 7.015 6.641/7.263 6.939 ± 0.3963
16 1342 1342/1342 1342 ± 0.0000235 6.332 6.105/6.63 6.315 ± 0.3984
17 1342 1342/1342 1342 ± 0.0000235 6.326 6.117/6.494 6.265 ± 0.3887
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
Start time
2025-07-26 00:37:02.138
End
2025-07-26 01:47:10.893
Duration
1:10:08.755
Note, WebLog generation is not included in the time.

CASA logs for stage 8