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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.367 5.703/6.777 6.256 ± 0.7107
ea03 1342 1342/1342 1342 ± 0.00002955 5.718 5.24/6.522 5.825 ± 0.7716
ea04 1342 1342/1342 1342 ± 0 5.603 5.108/6.162 5.721 ± 0.6539
ea05 1342 1342/1342 1342 ± 0 5.911 5.609/6.842 6.154 ± 0.7518
ea06 1342 1342/1342 1342 ± 0 6.354 5.46/6.483 6.068 ± 0.648
ea07 1342 1342/1342 1342 ± 0 5.845 5.244/6.135 5.831 ± 0.6495
ea08 1342 1342/1342 1342 ± 0 6.163 5.502/6.7 6.214 ± 0.7377
ea09 1342 1342/1342 1342 ± 0 5.905 5.397/6.644 6.111 ± 0.7518
ea10 1342 1342/1342 1342 ± 0 5.804 5.557/6.834 6.112 ± 0.6972
ea11 1342 1342/1342 1342 ± 0 6.219 5.296/6.776 6.142 ± 0.8449
ea12 1342 1342/1342 1342 ± 0 6.373 5.589/6.754 6.321 ± 0.7595
ea13 1342 1342/1342 1342 ± 0 5.892 5.8/6.418 6.098 ± 0.5108
ea14 1342 1342/1342 1342 ± 0 5.99 5.576/6.812 6.214 ± 0.7075
ea15 1342 1342/1342 1342 ± 0 5.384 4.744/5.685 5.267 ± 0.611
ea16 1342 1342/1342 1342 ± 0 6.066 5.62/6.609 6.188 ± 0.7716
ea17 1342 1342/1342 1342 ± 0 6.389 5.868/7.417 6.558 ± 0.784
ea18 1342 1342/1342 1342 ± 0 5.12 4.713/5.592 5.17 ± 0.5369
ea19 1342 1342/1342 1342 ± 0 6.118 5.829/7.021 6.38 ± 0.771
ea20 1342 1342/1342 1342 ± 0 5.881 5.626/6.854 6.111 ± 0.7341
ea21 1342 1342/1342 1342 ± 0 5.48 5.351/6.414 5.781 ± 0.6472
ea22 1342 1342/1342 1342 ± 0 6.193 5.301/6.564 5.96 ± 0.7237
ea23 1342 1342/1342 1342 ± 0 6.102 5.662/6.753 6.256 ± 0.7721
ea24 1342 1342/1342 1342 ± 0 6.126 5.143/6.48 5.842 ± 0.6407
ea25 1342 1342/1342 1342 ± 0 6.181 5.563/6.65 6.243 ± 0.7593
ea26 1342 1342/1342 1342 ± 0 6.223 5.676/6.998 6.392 ± 0.8096
ea27 1342 1342/1342 1342 ± 0 5.891 5.404/6.962 6.097 ± 0.7699
ea28 1342 1342/1342 1342 ± 0 6.088 5.659/6.821 6.256 ± 0.7593
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 5.521 5.341/5.69 5.511 ± 0.3102
3 1342 1342/1342 1342 ± 0.00002348 5.186 5.009/5.328 5.166 ± 0.2933
4 1342 1342/1342 1342 ± 0.0000283 5.152 4.949/5.378 5.138 ± 0.3422
5 1342 1342/1342 1342 ± 0.00002306 5.534 5.265/5.649 5.425 ± 0.3377
6 1342 1342/1342 1342 ± 0.00002306 5.428 5.211/5.625 5.392 ± 0.2841
7 1342 1342/1342 1342 ± 0.00002306 5.553 5.317/5.705 5.478 ± 0.2975
8 1342 1342/1342 1342 ± 0.00002306 5.497 5.255/5.707 5.45 ± 0.332
9 1342 1342/1342 1342 ± 0.00002306 5.891 5.607/6.028 5.779 ± 0.3297
10 1342 1342/1342 1342 ± 0.00002306 6.393 6.131/6.449 6.263 ± 0.3482
11 1342 1342/1342 1342 ± 0.00002306 6.557 6.406/6.758 6.507 ± 0.3583
12 1342 1342/1342 1342 ± 0.00002306 6.76 6.441/6.857 6.66 ± 0.4105
13 1342 1342/1342 1342 ± 0.00002306 7.242 6.824/7.512 7.15 ± 0.4333
14 1342 1342/1342 1342 ± 0.00002306 7.464 7.145/7.677 7.354 ± 0.4251
15 1342 1342/1342 1342 ± 0.00002306 7.026 6.701/7.206 6.931 ± 0.3994
16 1342 1342/1342 1342 ± 0.00002306 6.196 5.842/6.445 6.209 ± 0.4071
17 1342 1342/1342 1342 ± 0.00002306 6.159 5.904/6.462 6.158 ± 0.3997
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-06-07 20:05:25.354
End
2025-06-07 21:12:30.878
Duration
1:07:05.524
Note, WebLog generation is not included in the time.

CASA logs for stage 8