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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.337 5.885/6.947 6.414 ± 0.8018
ea03 1342 1342/1342 1342 ± 0 5.708 5.162/6.584 5.79 ± 0.8734
ea04 1342 1342/1342 1342 ± 0 5.779 5.297/6.481 5.869 ± 0.8124
ea05 1342 1342/1342 1342 ± 0 6.293 5.71/7.07 6.299 ± 0.8854
ea06 1342 1342/1342 1342 ± 0 6.195 5.706/6.636 6.176 ± 0.754
ea07 1342 1342/1342 1342 ± 0 6.313 5.495/6.516 6.125 ± 0.7315
ea08 1342 1342/1342 1342 ± 0 6.251 5.532/6.876 6.209 ± 0.8427
ea09 1342 1342/1342 1342 ± 0 6.147 5.592/6.852 6.213 ± 0.9045
ea10 1342 1342/1342 1342 ± 0 6.27 5.714/7.104 6.313 ± 0.8972
ea11 1342 1342/1342 1342 ± 0 6.416 5.468/6.828 6.174 ± 0.9118
ea12 1342 1342/1342 1342 ± 0 6.583 5.764/6.958 6.4 ± 0.9151
ea13 1342 1342/1342 1342 ± 0 5.869 5.801/6.414 6.112 ± 0.4978
ea14 1342 1342/1342 1342 ± 0 6.372 5.766/7.024 6.388 ± 0.8979
ea15 1342 1342/1342 1342 ± 0 5.9 5.427/6.482 5.954 ± 0.7633
ea16 1342 1342/1342 1342 ± 0 6.54 5.913/7.056 6.516 ± 0.8509
ea17 1342 1342/1342 1342 ± 0 6.829 6.315/7.853 6.985 ± 0.8595
ea18 1342 1342/1342 1342 ± 0 5.271 4.839/5.668 5.33 ± 0.5007
ea19 1342 1342/1342 1342 ± 0 6.766 5.924/7.31 6.578 ± 0.8408
ea20 1342 1342/1342 1342 ± 0 5.968 5.638/6.729 6.131 ± 0.8142
ea21 1342 1342/1342 1342 ± 0 5.516 5.204/6.086 5.63 ± 0.5785
ea22 1342 1342/1342 1342 ± 0.000007446 6.404 5.485/6.767 6.151 ± 0.8048
ea23 1342 1342/1342 1342 ± 0 6.431 5.832/6.898 6.471 ± 0.7522
ea24 1342 1342/1342 1342 ± 0 6.193 5.392/6.642 5.978 ± 0.7248
ea25 1342 1342/1342 1342 ± 0 6.751 5.815/7.213 6.522 ± 0.9468
ea26 1342 1342/1342 1342 ± 0 6.755 6.086/7.533 6.627 ± 1.048
ea27 1342 1342/1342 1342 ± 0 6.161 5.662/7.019 6.215 ± 0.8689
ea28 1342 1342/1342 1342 ± 0 6.237 5.894/7.108 6.443 ± 0.8365
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 ± 0.00002306 5.712 5.422/5.9 5.658 ± 0.333
3 1342 1342/1342 1342 ± 0.00002439 5.314 5.075/5.449 5.289 ± 0.3217
4 1342 1342/1342 1342 ± 0.00002714 4.371 4.204/4.431 4.398 ± 0.2754
5 1342 1342/1342 1342 ± 0.00002306 5.781 5.412/5.867 5.669 ± 0.3444
6 1342 1342/1342 1342 ± 0.00002306 5.671 5.463/5.866 5.628 ± 0.3094
7 1342 1342/1342 1342 ± 0.00002306 5.721 5.484/5.869 5.673 ± 0.3121
8 1342 1342/1342 1342 ± 0.00002306 5.588 5.353/5.833 5.595 ± 0.3449
9 1342 1342/1342 1342 ± 0.00002306 5.933 5.668/6.15 5.896 ± 0.3375
10 1342 1342/1342 1342 ± 0.00002306 6.589 6.29/6.682 6.464 ± 0.3465
11 1342 1342/1342 1342 ± 0.00002306 6.775 6.533/6.958 6.702 ± 0.3625
12 1342 1342/1342 1342 ± 0.00002306 6.903 6.625/7.06 6.839 ± 0.4348
13 1342 1342/1342 1342 ± 0.00002306 7.426 7.131/7.78 7.39 ± 0.4699
14 1342 1342/1342 1342 ± 0.00002306 7.654 7.234/7.91 7.591 ± 0.4724
15 1342 1342/1342 1342 ± 0.00002306 7.181 6.874/7.482 7.18 ± 0.4412
16 1342 1342/1342 1342 ± 0.00002306 6.456 6.3/6.942 6.536 ± 0.4438
17 1342 1342/1342 1342 ± 0.00002306 6.512 6.264/6.809 6.479 ± 0.4431
datacolumn
residual_data
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-06-11 05:15:40.983
End
2025-06-11 06:15:37.381
Duration
0:59:56.398
Note, WebLog generation is not included in the time.

CASA logs for stage 8