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 6.346 5.676/6.668 6.223 ± 0.6931
ea03 1342 1342/1342 1342 ± 0.00002959 5.671 5.222/6.501 5.801 ± 0.7721
ea04 1342 1342/1342 1342 ± 0.000006497 5.601 5.09/6.14 5.696 ± 0.651
ea05 1342 1342/1342 1342 ± 0 5.893 5.572/6.8 6.133 ± 0.749
ea06 1342 1342/1342 1342 ± 0 6.341 5.462/6.469 6.054 ± 0.643
ea07 1342 1342/1342 1342 ± 0 5.809 5.23/6.121 5.808 ± 0.6461
ea08 1342 1342/1342 1342 ± 0 6.12 5.498/6.694 6.192 ± 0.7342
ea09 1342 1342/1342 1342 ± 0 5.904 5.378/6.624 6.095 ± 0.7477
ea10 1342 1342/1342 1342 ± 0 5.728 5.529/6.841 6.089 ± 0.6957
ea11 1342 1342/1342 1342 ± 0 6.208 5.242/6.747 6.115 ± 0.8447
ea12 1342 1342/1342 1342 ± 0 6.362 5.548/6.734 6.294 ± 0.7627
ea13 1342 1342/1342 1342 ± 0 5.877 5.778/6.404 6.074 ± 0.519
ea14 1342 1342/1342 1342 ± 0 5.957 5.553/6.81 6.18 ± 0.7111
ea15 1342 1342/1342 1342 ± 0 5.386 4.702/5.66 5.25 ± 0.6138
ea16 1342 1342/1342 1342 ± 0 6.038 5.588/6.589 6.162 ± 0.7658
ea17 1342 1342/1342 1342 ± 0 6.374 5.842/7.392 6.538 ± 0.7813
ea18 1342 1342/1342 1342 ± 0 5.102 4.689/5.592 5.157 ± 0.5369
ea19 1342 1342/1342 1342 ± 0 6.093 5.802/6.986 6.347 ± 0.7645
ea20 1342 1342/1342 1342 ± 0 5.866 5.582/6.829 6.08 ± 0.7291
ea21 1342 1342/1342 1342 ± 0 5.457 5.311/6.389 5.757 ± 0.6507
ea22 1342 1342/1342 1342 ± 0 6.167 5.302/6.531 5.945 ± 0.7264
ea23 1342 1342/1342 1342 ± 0 6.075 5.639/6.739 6.237 ± 0.7738
ea24 1342 1342/1342 1342 ± 0 6.119 5.138/6.475 5.849 ± 0.6443
ea25 1342 1342/1342 1342 ± 0 6.172 5.535/6.618 6.208 ± 0.7629
ea26 1342 1342/1342 1342 ± 0 6.22 5.654/6.964 6.391 ± 0.8112
ea27 1342 1342/1342 1342 ± 0 5.86 5.374/6.929 6.053 ± 0.7782
ea28 1342 1342/1342 1342 ± 0 6.036 5.622/6.816 6.228 ± 0.7578
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 ± 0.00002308 5.524 5.311/5.682 5.494 ± 0.3084
3 1342 1342/1342 1342 ± 0.00002354 5.16 4.98/5.305 5.149 ± 0.2928
4 1342 1342/1342 1342 ± 0.00002833 5.144 4.922/5.349 5.114 ± 0.3424
5 1342 1342/1342 1342 ± 0.00002308 5.504 5.248/5.635 5.403 ± 0.3328
6 1342 1342/1342 1342 ± 0.00002308 5.395 5.191/5.598 5.365 ± 0.2819
7 1342 1342/1342 1342 ± 0.00002308 5.538 5.307/5.683 5.459 ± 0.2967
8 1342 1342/1342 1342 ± 0.00002308 5.457 5.242/5.683 5.431 ± 0.3305
9 1342 1342/1342 1342 ± 0.00002308 5.866 5.596/6.019 5.76 ± 0.3272
10 1342 1342/1342 1342 ± 0.00002308 6.371 6.123/6.417 6.244 ± 0.3432
11 1342 1342/1342 1342 ± 0.00002308 6.528 6.386/6.73 6.49 ± 0.3577
12 1342 1342/1342 1342 ± 0.00002308 6.74 6.41/6.842 6.642 ± 0.4118
13 1342 1342/1342 1342 ± 0.00002308 7.206 6.814/7.477 7.127 ± 0.4292
14 1342 1342/1342 1342 ± 0.00002308 7.427 7.119/7.649 7.33 ± 0.4208
15 1342 1342/1342 1342 ± 0.00002308 6.973 6.684/7.2 6.908 ± 0.394
16 1342 1342/1342 1342 ± 0.00002308 6.163 5.826/6.433 6.163 ± 0.4084
17 1342 1342/1342 1342 ± 0.00002308 6.095 5.867/6.478 6.124 ± 0.4017
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-06-07 12:11:45.847
End
2025-06-07 12:38:37.483
Duration
0:26:51.637
Note, WebLog generation is not included in the time.

CASA logs for stage 8