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 5.487 5.318/5.814 5.612 ± 0.3832
ea02 1342 1342/1342 1342 ± 0 5.716 5.368/6.27 5.849 ± 0.493
ea04 1342 1342/1342 1342 ± 0 5.613 5.248/6.057 5.692 ± 0.4928
ea05 1342 1342/1342 1342 ± 0 5.369 5.097/5.676 5.395 ± 0.3773
ea06 1342 1342/1342 1342 ± 0 4.86 4.732/5.248 4.957 ± 0.292
ea07 1342 1342/1342 1342 ± 0 5.593 5.246/5.877 5.609 ± 0.4105
ea08 1342 1342/1342 1342 ± 0 5.627 5.27/6.05 5.649 ± 0.4497
ea09 1342 1342/1342 1342 ± 0 5.143 4.966/5.577 5.259 ± 0.3873
ea10 1342 1342/1342 1342 ± 0.000007554 5.265 4.985/5.892 5.347 ± 0.4465
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.53 5.302/5.848 5.628 ± 0.388
ea13 1342 1342/1342 1342 ± 0 5.793 5.685/6.124 5.947 ± 0.3892
ea14 1342 1342/1342 1342 ± 0 5.36 5.153/5.924 5.515 ± 0.4445
ea15 1342 1342/1342 1342 ± 0 5.686 5.288/6.092 5.704 ± 0.4847
ea16 1342 1342/1342 1342 ± 0 5.522 5.317/5.898 5.628 ± 0.4015
ea17 1342 1342/1342 1342 ± 0 5.358 5.253/5.726 5.487 ± 0.3486
ea18 1342 1342/1342 1342 ± 0 4.641 4.467/4.87 4.687 ± 0.2625
ea19 1342 1342/1342 1342 ± 0 5.399 5.132/5.766 5.466 ± 0.3473
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.564 5.399/6.188 5.764 ± 0.4625
ea22 1342 1342/1342 1342 ± 0 4.921 4.751/5.402 5.017 ± 0.4399
ea23 1342 1342/1342 1342 ± 0 5.906 5.697/6.565 6.191 ± 0.612
ea25 1342 1342/1342 1342 ± 0 5.519 5.438/6.127 5.77 ± 0.5036
ea26 1342 1342/1342 1342 ± 0 5.491 5.364/6.015 5.707 ± 0.3963
ea27 1342 1342/1342 1342 ± 0.00004142 5.202 5.07/5.813 5.367 ± 0.3872
ea28 1342 1342/1342 1342 ± 0 5.725 5.541/6.458 5.967 ± 0.5597
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 ± 0.00002445 5.397 5.298/5.541 5.392 ± 0.2606
3 1342 1342/1342 1342 ± 0.00002445 5.279 5.104/5.368 5.212 ± 0.2923
4 1342 1342/1342 1342 ± 0.00004077 5.131 4.632/5.299 4.989 ± 0.3285
5 1342 1342/1342 1342 ± 0.00002445 5.291 5.016/5.46 5.252 ± 0.3182
6 1342 1342/1342 1342 ± 0.00002445 5.176 5.044/5.364 5.178 ± 0.2665
7 1342 1342/1342 1342 ± 0.00002445 5.255 5.107/5.371 5.217 ± 0.2736
8 1342 1342/1342 1342 ± 0.00002445 5.226 4.978/5.347 5.154 ± 0.3057
9 1342 1342/1342 1342 ± 0.00002445 5.399 5.188/5.615 5.373 ± 0.3466
10 1342 1342/1342 1342 ± 0.00002445 5.731 5.498/6.023 5.711 ± 0.3503
11 1342 1342/1342 1342 ± 0.00002445 5.888 5.745/6.129 5.89 ± 0.3509
12 1342 1342/1342 1342 ± 0.00002445 6.032 5.837/6.175 5.923 ± 0.5095
13 1342 1342/1342 1342 ± 0.00002445 6.318 6.062/6.569 6.293 ± 0.4588
14 1342 1342/1342 1342 ± 0.00002445 6.425 6.049/6.624 6.35 ± 0.4841
15 1342 1342/1342 1342 ± 0.00002453 5.905 5.588/6.102 5.832 ± 0.4238
16 1342 1342/1342 1342 ± 0.00003383 5.474 5.063/5.61 5.347 ± 0.3572
17 1342 1342/1342 1342 ± 0.00003412 5.323 5.082/5.58 5.305 ± 0.3705
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-03 09:31:44.502
End
2024-12-03 10:25:31.065
Duration
0:53:46.563
Note, WebLog generation is not included in the time.

CASA logs for stage 8