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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.842 5.377/6.435 5.704 ± 0.9569
ea03 1342 1342/1342 1342 ± 0.00001861 5.059 4.821/5.912 5.198 ± 0.7748
ea04 1342 1342/1342 1342 ± 0.00001649 5.504 5.182/6.058 5.453 ± 0.9429
ea05 1342 1342/1342 1342 ± 0.00000658 5.345 4.922/6.131 5.471 ± 0.8328
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002244 5.961 5.506/6.401 5.783 ± 0.9778
ea08 1342 1342/1342 1342 ± 0.00004285 5.806 5.416/6.657 5.812 ± 1.039
ea09 1342 1342/1342 1342 ± 0.00003818 5.699 5.193/6.292 5.604 ± 0.8507
ea10 1342 1342/1342 1342 ± 0.00002978 5.836 5.299/6.624 5.753 ± 0.9669
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003835 5.658 5.329/6.572 5.742 ± 1.002
ea13 1342 1342/1342 1342 ± 0.00001199 5.844 5.51/6.329 5.806 ± 0.7704
ea14 1342 1342/1342 1342 ± 0.00002185 5.589 5.312/6.426 5.659 ± 0.9375
ea15 1342 1342/1342 1342 ± 0.000002946 2.617 2.417/3.001 2.737 ± 0.4945
ea17 1342 1342/1342 1342 ± 0.00004058 6.165 5.733/6.973 6.127 ± 1.14
ea18 1342 1342/1342 1342 ± 0.00004176 4.825 4.68/5.423 4.852 ± 0.6904
ea19 1342 1342/1342 1342 ± 0.00001576 5.656 5.356/6.503 5.802 ± 0.9013
ea20 1342 1342/1342 1342 ± 0.00004025 5.882 5.795/6.948 6.012 ± 1.055
ea21 1342 1342/1342 1342 ± 0.00001015 5.684 5.427/6.492 5.771 ± 0.9571
ea23 1342 1342/1342 1342 ± 0.00001936 5.502 5.34/5.688 5.224 ± 0.8223
ea24 1342 1342/1342 1342 ± 0.00004057 5.571 5.368/6.276 5.628 ± 0.8484
ea25 1342 1342/1342 1342 ± 0.00004112 5.592 5.294/6.214 5.528 ± 0.9239
ea26 1342 1342/1342 1342 ± 0.00001247 5.841 5.687/6.641 6.003 ± 0.8575
ea27 1342 1342/1342 1342 ± 0.00003592 5.487 5.178/6.486 5.593 ± 0.9399
ea28 1342 1342/1342 1342 ± 0.00003932 5.412 5.201/6.17 5.493 ± 0.8312
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 ± 0.00002504 5.376 5.271/5.677 5.307 ± 0.6277
5 1342 1342/1342 1342 ± 0.00002536 5.42 5.154/5.574 5.239 ± 0.6891
6 1342 1342/1342 1342 ± 0.00002504 5.3 5.066/5.458 5.121 ± 0.6381
7 1342 1342/1342 1342 ± 0.00002504 5.387 5.267/5.505 5.26 ± 0.6522
8 1342 1342/1342 1342 ± 0.00002504 5.318 5.174/5.433 5.218 ± 0.6646
9 1342 1342/1342 1342 ± 0.00002504 5.573 5.288/5.83 5.417 ± 0.7045
10 1342 1342/1342 1342 ± 0.00002504 6.006 5.696/6.265 5.818 ± 0.8008
11 1342 1342/1342 1342 ± 0.00002504 6.326 6.057/6.558 6.154 ± 0.7683
12 1342 1342/1342 1342 ± 0.00002504 6.495 6.303/6.656 6.352 ± 0.8087
13 1342 1342/1342 1342 ± 0.00002504 6.62 6.342/6.88 6.476 ± 0.7229
14 1342 1342/1342 1342 ± 0.00003359 6.208 5.767/6.716 6.171 ± 0.731
15 1342 1342/1342 1342 ± 0.00002504 6.489 6.12/6.872 6.347 ± 0.8806
16 1342 1342/1342 1342 ± 0.0000586 3.388 3.194/3.543 3.326 ± 0.3803
17 1342 1342/1342 1342 ± 0.00006092 3.667 3.461/3.843 3.619 ± 0.4156
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
output_dir
 
Start time
2025-01-11 10:36:51.530
End
2025-01-11 11:28:38.765
Duration
0:51:47.236
Note, WebLog generation is not included in the time.

CASA logs for stage 8