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

Statwt Summary Plot

VLASS2.1.sb38545507.eb38638815.59102.13461381945_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 5.545 5.243/5.961 5.622 ± 0.425
ea02 1342 1342/1342 1342 ± 0 5.753 5.352/6.303 5.884 ± 0.5369
ea04 1342 1342/1342 1342 ± 0 5.51 5.186/6.005 5.631 ± 0.5111
ea05 1342 1342/1342 1342 ± 0 5.298 4.995/5.638 5.329 ± 0.3977
ea06 1342 1342/1342 1342 ± 0 4.854 4.749/5.203 4.942 ± 0.2818
ea07 1342 1342/1342 1342 ± 0 5.583 5.287/5.931 5.66 ± 0.4417
ea08 1342 1342/1342 1342 ± 0 5.593 5.301/6.181 5.719 ± 0.4665
ea09 1342 1342/1342 1342 ± 0 5.419 5.048/5.801 5.432 ± 0.4401
ea10 1342 1342/1342 1342 ± 0.000001176 5.169 4.989/5.921 5.398 ± 0.4359
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.685 5.362/6.03 5.771 ± 0.4499
ea13 1342 1342/1342 1342 ± 0 5.944 5.566/6.089 5.883 ± 0.4284
ea14 1342 1342/1342 1342 ± 0 5.492 5.04/5.955 5.476 ± 0.5313
ea15 1342 1342/1342 1342 ± 0 5.789 5.286/6.198 5.822 ± 0.5692
ea16 1342 1342/1342 1342 ± 0 5.543 5.284/5.945 5.665 ± 0.4722
ea17 1342 1342/1342 1342 ± 0.00000164 5.422 5.306/5.798 5.548 ± 0.3617
ea18 1342 1342/1342 1342 ± 0 4.736 4.516/5.015 4.788 ± 0.3216
ea19 1342 1342/1342 1342 ± 0 5.405 5.092/5.807 5.449 ± 0.3678
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.514 5.297/6.142 5.687 ± 0.4874
ea22 1342 1342/1342 1342 ± 0 4.953 4.76/5.505 5.089 ± 0.4691
ea23 1342 1342/1342 1342 ± 0 5.946 5.584/6.696 6.119 ± 0.6441
ea25 1342 1342/1342 1342 ± 0 5.578 5.326/6.149 5.718 ± 0.5323
ea26 1342 1342/1342 1342 ± 0 5.678 5.403/6.357 5.822 ± 0.4823
ea27 1342 1342/1342 1342 ± 0.00002278 5.248 5.067/5.883 5.414 ± 0.4317
ea28 1342 1342/1342 1342 ± 0 5.69 5.458/6.468 5.901 ± 0.6049
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 ± 0.00002452 5.337 5.115/5.448 5.318 ± 0.2498
3 1342 1342/1342 1342 ± 0.00002455 5.24 5.02/5.371 5.211 ± 0.2692
4 1342 1342/1342 1342 ± 0.00002727 5.061 4.809/5.358 5.057 ± 0.3062
5 1342 1342/1342 1342 ± 0.00002452 5.295 4.992/5.433 5.217 ± 0.2938
6 1342 1342/1342 1342 ± 0.00002452 5.082 4.995/5.313 5.117 ± 0.2533
7 1342 1342/1342 1342 ± 0.00002452 5.228 5.038/5.313 5.175 ± 0.2596
8 1342 1342/1342 1342 ± 0.00002452 5.18 4.994/5.339 5.128 ± 0.294
9 1342 1342/1342 1342 ± 0.00002452 5.42 5.103/5.589 5.356 ± 0.3277
10 1342 1342/1342 1342 ± 0.00002452 5.762 5.487/5.998 5.72 ± 0.3289
11 1342 1342/1342 1342 ± 0.00002452 5.9 5.749/6.131 5.894 ± 0.3327
12 1342 1342/1342 1342 ± 0.00002452 5.998 5.931/6.17 5.951 ± 0.4925
13 1342 1342/1342 1342 ± 0.00002452 6.396 6.086/6.617 6.349 ± 0.4285
14 1342 1342/1342 1342 ± 0.00002452 6.564 6.154/6.767 6.443 ± 0.4581
15 1342 1342/1342 1342 ± 0.00002452 6.184 5.822/6.39 6.086 ± 0.4279
16 1342 1342/1342 1342 ± 0.00002811 5.636 5.313/5.786 5.536 ± 0.3389
17 1342 1342/1342 1342 ± 0.00002722 5.497 5.277/5.74 5.482 ± 0.3582
output_dir
 
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-12-03 10:44:47.573
End
2024-12-03 11:36:48.572
Duration
0:52:00.999
Note, WebLog generation is not included in the time.

CASA logs for stage 8