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 5.864 5.384/6.432 5.711 ± 0.9013
ea03 1342 1342/1342 1342 ± 0.00001642 5.028 4.659/5.926 5.22 ± 0.7317
ea04 1342 1342/1342 1342 ± 0.000005098 5.49 5.093/6.046 5.431 ± 0.9
ea05 1342 1342/1342 1342 ± 0.00001088 5.339 4.889/6.178 5.498 ± 0.8219
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002138 5.918 5.427/6.424 5.826 ± 0.9431
ea08 1342 1342/1342 1342 ± 0.00004757 6.345 5.532/6.631 5.886 ± 1.042
ea09 1342 1342/1342 1342 ± 0.0000341 5.738 5.161/6.357 5.707 ± 0.7378
ea10 1342 1342/1342 1342 ± 0.00002572 5.781 5.23/6.633 5.774 ± 0.8981
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003773 5.604 5.263/6.536 5.755 ± 1.001
ea13 1342 1342/1342 1342 ± 0.00001743 5.757 5.447/6.33 5.753 ± 0.7749
ea14 1342 1342/1342 1342 ± 0.00002142 5.528 5.09/6.355 5.612 ± 0.9061
ea15 1342 1342/1342 1342 ± 0.000003433 2.587 2.369/2.995 2.686 ± 0.5036
ea17 1342 1342/1342 1342 ± 0.00004315 6.114 5.636/6.841 6.084 ± 1.061
ea18 1342 1342/1342 1342 ± 0.00004456 4.826 4.664/5.531 4.88 ± 0.6491
ea19 1342 1342/1342 1342 ± 0.00001856 5.602 5.29/6.47 5.779 ± 0.88
ea20 1342 1342/1342 1342 ± 0.00004315 5.837 5.568/7.028 6.019 ± 1.03
ea21 1342 1342/1342 1342 ± 0.00001172 5.621 5.325/6.495 5.763 ± 0.8965
ea23 1342 1342/1342 1342 ± 0.00001525 5.505 5.386/5.72 5.279 ± 0.7371
ea24 1342 1342/1342 1342 ± 0.00003496 5.589 5.35/6.303 5.716 ± 0.7219
ea25 1342 1342/1342 1342 ± 0.00004289 5.556 5.19/6.209 5.508 ± 0.876
ea26 1342 1342/1342 1342 ± 0.000006836 5.849 5.678/6.745 6.057 ± 0.801
ea27 1342 1342/1342 1342 ± 0.00004162 5.463 5.135/6.474 5.551 ± 0.9057
ea28 1342 1342/1342 1342 ± 0.00003453 5.397 5.177/6.195 5.573 ± 0.7108
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 ± 0.00002513 5.397 5.26/5.649 5.299 ± 0.6322
5 1342 1342/1342 1342 ± 0.00002568 5.21 5.087/5.489 5.136 ± 0.6606
6 1342 1342/1342 1342 ± 0.00002543 5.198 5.063/5.418 5.094 ± 0.6451
7 1342 1342/1342 1342 ± 0.00002536 5.372 5.251/5.529 5.225 ± 0.7012
8 1342 1342/1342 1342 ± 0.00002536 5.306 5.141/5.47 5.176 ± 0.7089
9 1342 1342/1342 1342 ± 0.00002559 5.535 5.339/5.833 5.402 ± 0.7567
10 1342 1342/1342 1342 ± 0.00002491 6.033 5.736/6.282 5.827 ± 0.8014
11 1342 1342/1342 1342 ± 0.00002491 6.326 6.046/6.55 6.155 ± 0.7616
12 1342 1342/1342 1342 ± 0.00002491 6.498 6.321/6.657 6.352 ± 0.8093
13 1342 1342/1342 1342 ± 0.00002491 6.665 6.365/6.961 6.525 ± 0.7402
14 1342 1342/1342 1342 ± 0.00002695 6.421 6.033/6.852 6.353 ± 0.7368
15 1342 1342/1342 1342 ± 0.00002491 6.434 6.101/6.824 6.307 ± 0.8344
16 1342 1342/1342 1342 ± 0.00006101 3.866 3.684/4.025 3.79 ± 0.43
17 1342 1342/1342 1342 ± 0.00006103 4.016 3.823/4.197 3.957 ± 0.4552
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-11 18:44:44.217
End
2025-01-11 19:47:27.774
Duration
1:02:43.557
Note, WebLog generation is not included in the time.

CASA logs for stage 8