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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.403 4.933/6.149 5.378 ± 1.011
ea02 1342 1342/1342 1342 ± 0.00003287 5.445 5.184/6.35 5.459 ± 1.034
ea03 1342 1342/1342 1342 ± 0.0000116 5.227 5.091/6.354 5.566 ± 0.8868
ea04 1342 1342/1342 1342 ± 0.00004891 5.112 4.804/6.001 5.119 ± 0.829
ea05 1342 1342/1342 1342 ± 0.00005315 5.239 4.867/6.361 5.257 ± 1.065
ea06 1342 1342/1342 1342 ± 0.00002648 4.882 4.674/5.875 5.129 ± 0.8189
ea07 1342 1342/1342 1342 ± 0.0000425 5.088 4.912/6.227 5.3 ± 1.035
ea08 1342 1342/1342 1342 ± 0.0000216 5.774 5.378/6.68 5.825 ± 0.9802
ea09 1342 1342/1342 1342 ± 0.00005054 4.858 4.618/5.918 4.941 ± 0.8741
ea10 1342 1342/1342 1342 ± 0.00004917 4.946 4.551/6.003 4.978 ± 0.9235
ea11 1342 1342/1342 1342 ± 0.00005283 5.009 4.386/6.123 5.032 ± 1.043
ea12 1342 1342/1342 1342 ± 0.0000485 5.014 4.744/5.861 5.022 ± 0.8891
ea14 1342 1342/1342 1342 ± 0.00005207 5.349 5.073/6.431 5.383 ± 0.9867
ea15 1342 1342/1342 1342 ± 0.00005304 5.407 4.931/6.526 5.399 ± 1.098
ea16 1342 1342/1342 1342 ± 0.00001806 5.628 4.771/6.32 5.543 ± 1.006
ea17 1342 1342/1342 1342 ± 0.00004783 5.483 5.144/6.43 5.524 ± 1.035
ea18 1342 1342/1342 1342 ± 0.0000216 5.667 5.371/6.711 5.743 ± 1.053
ea19 1342 1342/1342 1342 ± 0.00004482 5.056 4.987/6.23 5.318 ± 0.9029
ea20 1342 1342/1342 1342 ± 0.00004054 5.671 5.388/6.665 5.727 ± 1.023
ea21 1342 1342/1342 1342 ± 0.00000303 5.057 4.863/5.821 5.235 ± 0.6506
ea22 1342 1342/1342 1342 ± 0.0000283 5.612 5.087/6.414 5.483 ± 1.027
ea23 1342 1342/1342 1342 ± 0.00005049 5.255 5.022/6.281 5.371 ± 0.9859
ea24 1342 1342/1342 1342 ± 0.00001242 5.053 4.942/6.1 5.399 ± 0.8419
ea25 1342 1342/1342 1342 ± 0.000007328 5.466 5.202/6.82 5.876 ± 0.9904
ea27 1342 1342/1342 1342 ± 0.000009919 5.162 4.838/6.282 5.301 ± 0.87
ea28 1342 1342/1342 1342 ± 0.00001587 5.562 5.401/6.704 5.757 ± 0.8973
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 ± 0.00002348 5.096 4.88/5.236 5.07 ± 0.2765
4 1342 1342/1342 1342 ± 0.00005992 3.484 3.347/3.67 3.511 ± 0.2342
5 1342 1342/1342 1342 ± 0.00002597 5.057 4.849/5.385 5.108 ± 0.3587
6 1342 1342/1342 1342 ± 0.00002348 5.139 4.911/5.407 5.159 ± 0.2808
7 1342 1342/1342 1342 ± 0.00002348 5.207 4.986/5.377 5.17 ± 0.2593
8 1342 1342/1342 1342 ± 0.00002348 5.162 4.992/5.457 5.192 ± 0.2918
9 1342 1342/1342 1342 ± 0.00002348 5.497 5.258/5.719 5.502 ± 0.3073
10 1342 1342/1342 1342 ± 0.00002348 6.064 5.823/6.218 6.032 ± 0.2757
11 1342 1342/1342 1342 ± 0.00002348 6.33 6.145/6.46 6.315 ± 0.2784
12 1342 1342/1342 1342 ± 0.00002348 6.485 6.238/6.665 6.474 ± 0.314
13 1342 1342/1342 1342 ± 0.00002353 6.701 6.349/6.979 6.695 ± 0.384
14 1342 1342/1342 1342 ± 0.00005309 5.49 5.095/6.081 5.619 ± 0.6611
15 1342 1342/1342 1342 ± 0.00002348 6.653 6.23/6.937 6.591 ± 0.3796
16 1342 1342/1342 1342 ± 0.00006072 3.866 3.645/4.244 3.996 ± 0.4988
17 1342 1342/1342 1342 ± 0.00006095 4.025 3.748/4.305 4.045 ± 0.3955
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 15:34:42.263
End
2025-07-22 16:31:14.247
Duration
0:56:31.984
Note, WebLog generation is not included in the time.

CASA logs for stage 8