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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.333 5.167/5.958 5.355 ± 0.9142
ea02 1342 1342/1342 1342 ± 0.00004272 5.92 5.406/6.668 5.793 ± 1.097
ea05 1342 1342/1342 1342 ± 0.00001565 5.515 5.128/6.28 5.522 ± 0.9116
ea06 1342 1342/1342 1342 ± 0.000008268 4.876 4.795/5.388 4.834 ± 0.7474
ea07 1342 1342/1342 1342 ± 0.00004469 5.794 5.387/6.063 5.463 ± 0.9321
ea08 1342 1342/1342 1342 ± 0.00004272 6.08 5.697/6.965 6.019 ± 1.215
ea09 1342 1342/1342 1342 ± 0.00002338 3.899 3.314/5.794 4.508 ± 1.21
ea10 1342 1342/1342 1342 ± 0.00004586 5.327 5.063/6.319 5.433 ± 0.9471
ea11 1342 1342/1342 1342 ± 0 5.838 5.345/6.529 5.981 ± 0.5741
ea12 1342 1342/1342 1342 ± 0.000006542 5.684 5.424/6.615 5.698 ± 1.16
ea13 1342 1342/1342 1342 ± 0.00002751 5.868 5.701/6.39 5.858 ± 0.8541
ea14 1342 1342/1342 1342 ± 0.00002325 6.346 5.39/6.644 5.767 ± 1.244
ea15 1342 1342/1342 1342 ± 0.000003005 5.425 5.228/6.291 5.52 ± 1.029
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.0000431 5.839 5.519/6.715 5.804 ± 1.159
ea18 1342 1342/1342 1342 ± 0.00003049 5.014 4.763/5.762 4.958 ± 0.9531
ea19 1342 1342/1342 1342 ± 0 5.727 5.442/6.536 5.742 ± 0.9368
ea20 1342 1342/1342 1342 ± 0.00002115 5.982 5.753/6.818 5.96 ± 1.252
ea21 1342 1342/1342 1342 ± 0.00002421 5.472 5.327/6.287 5.476 ± 0.9538
ea22 1342 1342/1342 1342 ± 0.00003946 5.359 5.119/6.445 5.528 ± 0.9701
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.362 5.324/5.398 5.361 ± 0.1595
ea26 1342 1342/1342 1342 ± 0.00003356 5.673 5.524/6.627 5.782 ± 0.8833
ea27 1342 1342/1342 1342 ± 0.00004505 5.516 5.141/6.473 5.627 ± 0.8775
ea28 1342 1342/1342 1342 ± 0.00005324 6.558 6.014/6.766 5.827 ± 1.417
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 ± 0.00002633 5.419 5.261/5.758 5.386 ± 0.5162
5 1342 1342/1342 1342 ± 0.00002696 5.422 5.192/5.532 5.301 ± 0.5396
6 1342 1342/1342 1342 ± 0.00002633 5.404 5.216/5.468 5.266 ± 0.5321
7 1342 1342/1342 1342 ± 0.00002633 5.341 5.195/5.482 5.269 ± 0.5093
8 1342 1342/1342 1342 ± 0.00002633 5.346 5.121/5.434 5.199 ± 0.5222
9 1342 1342/1342 1342 ± 0.00002633 5.605 5.479/5.817 5.482 ± 0.602
10 1342 1342/1342 1342 ± 0.00002574 6.102 5.836/6.162 5.997 ± 0.352
11 1342 1342/1342 1342 ± 0.00002574 6.338 6.272/6.535 6.296 ± 0.365
12 1342 1342/1342 1342 ± 0.00002574 6.581 6.289/6.656 6.471 ± 0.3818
13 1342 1342/1342 1342 ± 0.00002574 6.808 6.359/6.929 6.693 ± 0.3963
14 1342 1342/1342 1342 ± 0.00003905 6.419 5.988/6.92 6.432 ± 0.5522
15 1342 1342/1342 1342 ± 0.00002609 6.594 6.395/6.804 6.543 ± 0.5141
16 1342 1342/1342 1342 ± 0.00006024 3.438 3.228/3.644 3.456 ± 0.3051
17 1342 1342/1342 1342 ± 0.00006103 3.568 3.391/3.789 3.591 ± 0.2876
output_dir
 
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-04-22 02:45:13.928
End
2024-04-22 03:31:46.014
Duration
0:46:32.087
Note, WebLog generation is not included in the time.

CASA logs for stage 7