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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.477 5.367/6.19 5.613 ± 0.7949
ea02 1342 1342/1342 1342 ± 0.00003953 6.089 5.492/6.801 6.006 ± 0.9759
ea04 1342 1342/1342 1342 ± 0.00004177 5.508 5.149/6.214 5.402 ± 0.9127
ea05 1342 1342/1342 1342 ± 0.00001647 5.484 5.129/6.242 5.583 ± 0.8195
ea06 1342 1342/1342 1342 ± 0.0000426 5.288 4.932/5.837 5.13 ± 0.8174
ea07 1342 1342/1342 1342 ± 0.00004055 5.927 5.414/6.322 5.72 ± 0.8271
ea09 1342 1342/1342 1342 ± 0.00003327 5.507 5.119/6.008 5.424 ± 0.7028
ea10 1342 1342/1342 1342 ± 0.00004035 5.307 4.83/5.894 5.209 ± 0.725
ea11 1342 1342/1342 1342 ± 0.00004161 6.103 5.434/6.701 5.861 ± 0.9408
ea12 1342 1342/1342 1342 ± 0.0000427 5.925 5.514/6.586 5.841 ± 1.028
ea13 1342 1342/1342 1342 ± 0.00002437 5.829 5.683/6.361 5.908 ± 0.766
ea14 1342 1342/1342 1342 ± 0.00002674 5.804 5.341/6.724 5.844 ± 0.9327
ea15 1342 1342/1342 1342 ± 0.00003954 5.79 5.442/6.612 5.734 ± 1.097
ea16 1342 1342/1342 1342 ± 0.0000269 5.835 5.52/6.884 5.901 ± 1.027
ea17 1342 1342/1342 1342 ± 0.00004314 6.079 5.566/6.815 6.026 ± 0.9439
ea18 1342 1342/1342 1342 ± 0.00004189 5.131 4.791/5.687 5.099 ± 0.7299
ea19 1342 1342/1342 1342 ± 0.000007782 5.758 5.514/6.558 5.886 ± 0.8523
ea20 1342 1342/1342 1342 ± 0.00004247 6.197 5.846/7.073 6.163 ± 1.065
ea21 1342 1342/1342 1342 ± 0.00002426 5.621 5.331/6.398 5.627 ± 0.8669
ea22 1342 1342/1342 1342 ± 0.00003606 5.546 5.229/6.559 5.723 ± 0.924
ea23 1342 1342/1342 1342 ± 0.0000368 5.988 5.488/6.75 5.889 ± 1.002
ea24 1342 1342/1342 1342 ± 0.00002166 5.25 4.864/6.119 5.404 ± 0.6923
ea25 1342 1342/1342 1342 ± 0.00004117 5.79 5.354/6.399 5.713 ± 0.8689
ea26 1342 1342/1342 1342 ± 0.00003419 5.875 5.636/6.909 6.018 ± 0.9074
ea27 1342 1342/1342 1342 ± 0.00004061 5.741 5.301/6.628 5.768 ± 0.8827
ea28 1342 1342/1342 1342 ± 0.00004035 5.873 5.593/6.803 6.004 ± 0.9743
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 ± 0.00002349 5.513 5.327/5.713 5.484 ± 0.3244
3 1342 1342/1342 1342 ± 0.00004883 5.194 4.639/5.74 5.208 ± 0.6853
5 1342 1342/1342 1342 ± 0.00002349 5.378 5.161/5.547 5.369 ± 0.333
6 1342 1342/1342 1342 ± 0.00002349 5.442 5.139/5.596 5.386 ± 0.2746
7 1342 1342/1342 1342 ± 0.00002349 5.488 5.25/5.607 5.425 ± 0.2886
8 1342 1342/1342 1342 ± 0.00002349 5.459 5.136/5.589 5.395 ± 0.3236
9 1342 1342/1342 1342 ± 0.00002349 5.793 5.442/5.931 5.697 ± 0.3155
10 1342 1342/1342 1342 ± 0.00002349 6.171 5.899/6.277 6.086 ± 0.299
11 1342 1342/1342 1342 ± 0.00002349 6.405 6.118/6.622 6.387 ± 0.3055
12 1342 1342/1342 1342 ± 0.00002349 6.554 6.325/6.798 6.562 ± 0.3481
13 1342 1342/1342 1342 ± 0.00002349 6.831 6.454/7.077 6.742 ± 0.4138
14 1342 1342/1342 1342 ± 0.00002716 6.626 6.311/6.982 6.582 ± 0.5225
15 1342 1342/1342 1342 ± 0.00002498 6.814 6.235/7.097 6.667 ± 0.5017
16 1342 1342/1342 1342 ± 0.00005424 3.831 3.645/4.074 3.859 ± 0.3301
17 1342 1342/1342 1342 ± 0.00005588 4.018 3.793/4.313 4.063 ± 0.3898
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-17 19:48:50.484
End
2024-05-17 20:52:48.281
Duration
1:03:57.797
Note, WebLog generation is not included in the time.

CASA logs for stage 8