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 6.331 5.833/6.813 6.267 ± 0.7423
ea02 1342 1342/1342 1342 ± 0 6.412 5.637/6.692 6.252 ± 0.7609
ea03 1342 1342/1342 1342 ± 0.00002329 5.985 5.44/6.657 6.092 ± 0.8211
ea04 1342 1342/1342 1342 ± 0 5.63 5.165/6.105 5.656 ± 0.6856
ea05 1342 1342/1342 1342 ± 0 6.163 5.567/6.745 6.083 ± 0.7468
ea06 1342 1342/1342 1342 ± 0 5.951 5.253/6.287 5.828 ± 0.7881
ea07 1342 1342/1342 1342 ± 0 6.066 5.456/6.703 6.112 ± 0.7683
ea08 1342 1342/1342 1342 ± 0 6.607 5.817/6.99 6.522 ± 0.7347
ea09 1342 1342/1342 1342 ± 0 5.746 5.294/6.382 5.793 ± 0.8874
ea10 1342 1342/1342 1342 ± 0 5.852 5.264/6.27 5.781 ± 0.7405
ea11 1342 1342/1342 1342 ± 0 5.843 5.463/6.577 5.914 ± 0.7742
ea12 1342 1342/1342 1342 ± 0 5.629 5.307/6.279 5.801 ± 0.7141
ea13 1342 1342/1342 1342 ± 0 6.205 5.583/6.413 5.955 ± 0.909
ea14 1342 1342/1342 1342 ± 0 6.068 5.751/6.685 6.171 ± 0.7457
ea15 1342 1342/1342 1342 ± 0 6.806 6.687/7.44 7.005 ± 0.4566
ea17 1342 1342/1342 1342 ± 0 6.276 5.882/7.064 6.423 ± 0.8141
ea18 1342 1342/1342 1342 ± 0 6.391 5.857/7.055 6.485 ± 0.7218
ea19 1342 1342/1342 1342 ± 0 6.023 5.624/6.653 6.087 ± 0.7882
ea20 1342 1342/1342 1342 ± 0 6.505 6.008/7.131 6.574 ± 0.7289
ea21 1342 1342/1342 1342 ± 0 5.482 5.176/6.016 5.599 ± 0.5738
ea22 1342 1342/1342 1342 ± 0 6.107 5.587/6.604 6.126 ± 0.6901
ea23 1342 1342/1342 1342 ± 0 6.186 5.637/6.517 6.132 ± 0.8175
ea24 1342 1342/1342 1342 ± 0 6.285 5.412/6.677 6.046 ± 0.666
ea25 1342 1342/1342 1342 ± 0 6.659 5.8/7.135 6.599 ± 0.8495
ea27 1342 1342/1342 1342 ± 0 5.711 5.267/6.441 5.761 ± 0.792
ea28 1342 1342/1342 1342 ± 0 6.348 5.904/7.121 6.514 ± 0.7206
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 ± 0.00002392 5.56 5.345/5.725 5.559 ± 0.2441
3 1342 1342/1342 1342 ± 0.00002479 4.411 4.099/4.864 4.452 ± 0.6143
4 1342 1342/1342 1342 ± 0.00002511 5.391 5.125/5.687 5.399 ± 0.3201
5 1342 1342/1342 1342 ± 0.00002392 5.63 5.302/5.821 5.593 ± 0.2867
6 1342 1342/1342 1342 ± 0.00002392 5.583 5.346/5.789 5.553 ± 0.277
7 1342 1342/1342 1342 ± 0.00002392 5.638 5.473/5.825 5.622 ± 0.2497
8 1342 1342/1342 1342 ± 0.00002392 5.528 5.299/5.804 5.548 ± 0.3
9 1342 1342/1342 1342 ± 0.00002392 5.823 5.658/6.08 5.851 ± 0.2974
10 1342 1342/1342 1342 ± 0.00002348 6.361 6.212/6.45 6.33 ± 0.276
11 1342 1342/1342 1342 ± 0.00002348 6.518 6.333/6.706 6.544 ± 0.278
12 1342 1342/1342 1342 ± 0.00002348 6.682 6.454/6.816 6.678 ± 0.3167
13 1342 1342/1342 1342 ± 0.00002348 7.17 6.837/7.485 7.17 ± 0.3534
14 1342 1342/1342 1342 ± 0.00002348 7.337 7.051/7.687 7.345 ± 0.3623
15 1342 1342/1342 1342 ± 0.00002348 7.131 6.729/7.335 7.051 ± 0.3626
16 1342 1342/1342 1342 ± 0.00002348 6.377 6.132/6.796 6.438 ± 0.4125
17 1342 1342/1342 1342 ± 0.00002348 6.398 6.136/6.693 6.391 ± 0.3992
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-30 22:31:53.619
End
2025-07-30 23:22:57.807
Duration
0:51:04.188
Note, WebLog generation is not included in the time.

CASA logs for stage 8