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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.286 5.736/6.705 6.198 ± 0.7504
ea02 1342 1342/1342 1342 ± 0.00001014 6.189 5.595/6.592 6.17 ± 0.7771
ea03 1342 1342/1342 1342 ± 0 5.989 5.453/6.691 6.078 ± 0.8682
ea04 1342 1342/1342 1342 ± 0 5.648 5.126/6.122 5.635 ± 0.7217
ea05 1342 1342/1342 1342 ± 0 5.926 5.44/6.607 6.011 ± 0.7878
ea06 1342 1342/1342 1342 ± 0 5.886 5.188/6.258 5.757 ± 0.8132
ea07 1342 1342/1342 1342 ± 0 6.06 5.431/6.696 6.096 ± 0.8173
ea08 1342 1342/1342 1342 ± 0 6.591 5.839/7.031 6.53 ± 0.7349
ea09 1342 1342/1342 1342 ± 0 5.737 5.225/6.348 5.763 ± 0.8413
ea10 1342 1342/1342 1342 ± 0 5.863 5.322/6.341 5.8 ± 0.7602
ea11 1342 1342/1342 1342 ± 0.000002999 5.748 5.371/6.589 5.888 ± 0.7965
ea12 1342 1342/1342 1342 ± 0 5.622 5.308/6.285 5.772 ± 0.7558
ea13 1342 1342/1342 1342 ± 0 6.165 5.607/6.447 6.002 ± 0.8039
ea14 1342 1342/1342 1342 ± 0 6.072 5.648/6.675 6.088 ± 0.8497
ea15 1342 1342/1342 1342 ± 0 6.705 6.424/7.314 6.856 ± 0.4751
ea17 1342 1342/1342 1342 ± 0 6.308 5.883/7.045 6.409 ± 0.849
ea18 1342 1342/1342 1342 ± 0 6.36 5.828/7.026 6.451 ± 0.7371
ea19 1342 1342/1342 1342 ± 0 5.996 5.549/6.684 6.075 ± 0.7813
ea20 1342 1342/1342 1342 ± 0 6.356 5.949/7.108 6.538 ± 0.7233
ea21 1342 1342/1342 1342 ± 0 5.522 5.251/6.1 5.64 ± 0.6324
ea22 1342 1342/1342 1342 ± 0 6.204 5.703/6.771 6.253 ± 0.7239
ea23 1342 1342/1342 1342 ± 0 6.147 5.547/6.46 6.04 ± 0.8719
ea24 1342 1342/1342 1342 ± 0 6.301 5.359/6.712 6.033 ± 0.6798
ea25 1342 1342/1342 1342 ± 0 6.474 5.8/7.19 6.507 ± 0.9977
ea27 1342 1342/1342 1342 ± 0 5.806 5.344/6.503 5.885 ± 0.6271
ea28 1342 1342/1342 1342 ± 0 6.304 5.837/7.041 6.478 ± 0.7078
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 ± 0.00002396 5.563 5.397/5.735 5.583 ± 0.2187
3 1342 1342/1342 1342 ± 0.00002485 4.276 3.927/4.565 4.402 ± 0.5972
4 1342 1342/1342 1342 ± 0.00002422 5.441 5.156/5.676 5.433 ± 0.3315
5 1342 1342/1342 1342 ± 0.00002396 5.499 5.216/5.807 5.515 ± 0.3014
6 1342 1342/1342 1342 ± 0.00002396 5.519 5.258/5.681 5.468 ± 0.2796
7 1342 1342/1342 1342 ± 0.00002393 5.55 5.412/5.777 5.58 ± 0.239
8 1342 1342/1342 1342 ± 0.00002393 5.532 5.262/5.739 5.516 ± 0.2839
9 1342 1342/1342 1342 ± 0.00002393 5.812 5.671/6.049 5.84 ± 0.2816
10 1342 1342/1342 1342 ± 0.0000235 6.364 6.225/6.456 6.339 ± 0.2673
11 1342 1342/1342 1342 ± 0.0000235 6.558 6.306/6.728 6.56 ± 0.274
12 1342 1342/1342 1342 ± 0.0000235 6.683 6.485/6.859 6.695 ± 0.3194
13 1342 1342/1342 1342 ± 0.0000235 7.159 6.852/7.444 7.175 ± 0.3418
14 1342 1342/1342 1342 ± 0.0000235 7.348 7.031/7.623 7.348 ± 0.3604
15 1342 1342/1342 1342 ± 0.0000235 7.051 6.743/7.342 7.049 ± 0.3577
16 1342 1342/1342 1342 ± 0.0000235 6.331 6.073/6.732 6.403 ± 0.3999
17 1342 1342/1342 1342 ± 0.0000235 6.319 6.062/6.602 6.334 ± 0.3717
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
output_dir
 
Start time
2025-08-02 22:27:33.992
End
2025-08-02 22:58:01.685
Duration
0:30:27.693
Note, WebLog generation is not included in the time.

CASA logs for stage 8