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 5.921 5.394/6.619 5.92 ± 0.8187
ea03 1342 1342/1342 1342 ± 0.00002469 5.117 4.808/6.107 5.314 ± 0.7901
ea04 1342 1342/1342 1342 ± 0.00002338 5.468 5.109/6.05 5.473 ± 0.8254
ea05 1342 1342/1342 1342 ± 0.00001445 5.335 4.926/6.203 5.496 ± 0.7935
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.0000208 5.976 5.533/6.402 6.018 ± 0.8485
ea08 1342 1342/1342 1342 ± 0.0000355 5.992 5.513/6.792 6.039 ± 0.8768
ea09 1342 1342/1342 1342 ± 0.00003716 5.736 5.194/6.538 5.758 ± 0.8314
ea10 1342 1342/1342 1342 ± 0.00002386 5.97 5.321/6.808 5.974 ± 0.8639
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003641 5.696 5.406/6.566 5.841 ± 0.8639
ea13 1342 1342/1342 1342 ± 0.00002415 5.771 5.672/6.317 5.957 ± 0.7423
ea14 1342 1342/1342 1342 ± 0.00002479 5.63 5.293/6.488 5.784 ± 0.8349
ea15 1342 1342/1342 1342 ± 0.000004224 2.601 2.401/2.973 2.677 ± 0.4424
ea17 1342 1342/1342 1342 ± 0.00003492 6.23 5.796/7.338 6.335 ± 0.9642
ea18 1342 1342/1342 1342 ± 0.0000378 4.852 4.698/5.595 4.96 ± 0.6281
ea19 1342 1342/1342 1342 ± 0.00002538 5.639 5.335/6.576 5.831 ± 0.8719
ea20 1342 1342/1342 1342 ± 0.00003615 5.903 5.792/7.027 6.142 ± 0.9284
ea21 1342 1342/1342 1342 ± 0.00001988 5.675 5.41/6.522 5.85 ± 0.8597
ea23 1342 1342/1342 1342 ± 0.00001918 5.551 5.49/5.704 5.453 ± 0.5884
ea24 1342 1342/1342 1342 ± 0.00003575 5.659 5.369/6.561 5.799 ± 0.8129
ea25 1342 1342/1342 1342 ± 0.0000346 5.638 5.303/6.386 5.704 ± 0.7901
ea26 1342 1342/1342 1342 ± 0.00002402 5.892 5.689/6.976 6.162 ± 0.8657
ea27 1342 1342/1342 1342 ± 0.00003233 5.526 5.236/6.576 5.756 ± 0.7976
ea28 1342 1342/1342 1342 ± 0.00003108 5.414 5.205/6.303 5.666 ± 0.7006
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 ± 0.00002496 5.392 5.271/5.689 5.322 ± 0.6274
5 1342 1342/1342 1342 ± 0.00002528 5.397 5.147/5.551 5.231 ± 0.684
6 1342 1342/1342 1342 ± 0.00002495 5.277 5.037/5.451 5.1 ± 0.6475
7 1342 1342/1342 1342 ± 0.00002496 5.403 5.263/5.507 5.27 ± 0.6454
8 1342 1342/1342 1342 ± 0.00002496 5.33 5.189/5.459 5.233 ± 0.6598
9 1342 1342/1342 1342 ± 0.00002496 5.636 5.289/5.913 5.49 ± 0.7169
10 1342 1342/1342 1342 ± 0.00002496 6.018 5.695/6.26 5.832 ± 0.7942
11 1342 1342/1342 1342 ± 0.00002496 6.297 6.047/6.559 6.155 ± 0.7606
12 1342 1342/1342 1342 ± 0.00002496 6.517 6.28/6.656 6.354 ± 0.8013
13 1342 1342/1342 1342 ± 0.00002496 6.8 6.611/7.007 6.644 ± 0.7545
14 1342 1342/1342 1342 ± 0.000025 6.796 6.48/7.024 6.611 ± 0.7788
15 1342 1342/1342 1342 ± 0.00002496 6.541 6.188/6.861 6.38 ± 0.8644
16 1342 1342/1342 1342 ± 0.00006025 3.87 3.702/3.992 3.765 ± 0.4665
17 1342 1342/1342 1342 ± 0.00005813 4.065 3.88/4.199 3.956 ± 0.4824
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-12 13:03:56.143
End
2025-01-12 14:12:13.351
Duration
1:08:17.207
Note, WebLog generation is not included in the time.

CASA logs for stage 8