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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.802 5.451/6.224 5.852 ± 0.5544
ea02 1342 1342/1342 1342 ± 0.000004264 5.853 5.43/6.68 6.064 ± 0.676
ea04 1342 1342/1342 1342 ± 0.000005932 5.515 5.068/6.03 5.569 ± 0.5902
ea05 1342 1342/1342 1342 ± 0.000005428 5.853 5.158/6.397 5.719 ± 0.642
ea06 1342 1342/1342 1342 ± 0 4.807 4.473/5.236 4.843 ± 0.419
ea07 1342 1342/1342 1342 ± 0 6.106 5.566/6.415 6.114 ± 0.614
ea08 1342 1342/1342 1342 ± 0.00001293 5.921 5.611/6.844 6.216 ± 0.7071
ea09 1342 1342/1342 1342 ± 0 5.537 5.156/6.457 5.725 ± 0.6742
ea10 1342 1342/1342 1342 ± 0 5.964 5.397/6.818 6.07 ± 0.7146
ea11 1342 1342/1342 1342 ± 0 5.988 5.296/6.482 5.954 ± 0.6825
ea12 1342 1342/1342 1342 ± 0 5.903 5.315/6.437 5.925 ± 0.657
ea13 1342 1342/1342 1342 ± 0 6.176 5.611/6.315 6.049 ± 0.565
ea14 1342 1342/1342 1342 ± 0 6.005 5.258/6.421 5.902 ± 0.6668
ea15 1342 1342/1342 1342 ± 0 5.662 4.958/6.167 5.638 ± 0.7293
ea16 1342 1342/1342 1342 ± 0 6.187 5.628/6.765 6.29 ± 0.749
ea17 1342 1342/1342 1342 ± 0.000005009 6.172 5.621/6.936 6.266 ± 0.6826
ea18 1342 1342/1342 1342 ± 0 5.194 4.76/5.698 5.237 ± 0.5377
ea19 1342 1342/1342 1342 ± 0 5.69 5.424/6.689 6.116 ± 0.7016
ea20 1342 1342/1342 1342 ± 0 6.351 5.68/6.87 6.248 ± 0.6774
ea21 1342 1342/1342 1342 ± 0 5.8 5.305/6.324 5.823 ± 0.6096
ea22 1342 1342/1342 1342 ± 0 5.622 5.137/6.356 5.754 ± 0.6533
ea23 1342 1342/1342 1342 ± 0 6.197 5.529/6.728 6.216 ± 0.7152
ea25 1342 1342/1342 1342 ± 0 5.794 5.337/6.337 5.852 ± 0.62
ea26 1342 1342/1342 1342 ± 0 5.981 5.477/6.875 6.118 ± 0.7066
ea27 1342 1342/1342 1342 ± 0.00002003 5.665 5.531/6.576 5.935 ± 0.6445
ea28 1342 1342/1342 1342 ± 0.00002761 5.807 5.532/6.679 6.044 ± 0.6937
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 ± 0.00002353 5.398 5.14/5.527 5.339 ± 0.2923
3 1342 1342/1342 1342 ± 0.00002523 5.245 5.103/5.452 5.222 ± 0.2828
4 1342 1342/1342 1342 ± 0.0000248 5.266 4.935/5.439 5.195 ± 0.3242
5 1342 1342/1342 1342 ± 0.00002353 5.363 5.135/5.609 5.346 ± 0.3476
6 1342 1342/1342 1342 ± 0.00002353 5.349 5.129/5.502 5.293 ± 0.3181
7 1342 1342/1342 1342 ± 0.00002353 5.394 5.259/5.59 5.342 ± 0.2958
8 1342 1342/1342 1342 ± 0.00002353 5.365 5.157/5.533 5.308 ± 0.3214
9 1342 1342/1342 1342 ± 0.00002353 5.674 5.401/5.951 5.609 ± 0.3815
10 1342 1342/1342 1342 ± 0.00002367 6.14 5.909/6.283 6.064 ± 0.3497
11 1342 1342/1342 1342 ± 0.00002367 6.321 6.103/6.538 6.289 ± 0.3629
12 1342 1342/1342 1342 ± 0.00002353 6.458 6.334/6.715 6.466 ± 0.3874
13 1342 1342/1342 1342 ± 0.00002353 7.015 6.817/7.225 6.941 ± 0.4113
14 1342 1342/1342 1342 ± 0.00002353 7.257 6.919/7.474 7.132 ± 0.4595
15 1342 1342/1342 1342 ± 0.00002353 6.78 6.56/6.958 6.685 ± 0.4334
16 1342 1342/1342 1342 ± 0.00003152 6 5.792/6.204 5.989 ± 0.3587
17 1342 1342/1342 1342 ± 0.00002951 5.991 5.778/6.189 5.971 ± 0.3539
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-07 07:35:47.288
End
2025-01-07 08:42:19.259
Duration
1:06:31.971
Note, WebLog generation is not included in the time.

CASA logs for stage 8