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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.284 5.209/6.032 5.531 ± 0.6684
ea02 1342 1342/1342 1342 ± 0.00003265 5.943 5.375/6.624 5.975 ± 0.8675
ea04 1342 1342/1342 1342 ± 0.00004135 5.357 5.023/5.928 5.326 ± 0.7716
ea05 1342 1342/1342 1342 ± 0.00001653 5.531 5.162/6.498 5.688 ± 0.8496
ea06 1342 1342/1342 1342 ± 0.00004103 4.847 4.695/5.281 4.759 ± 0.6449
ea07 1342 1342/1342 1342 ± 0.00002936 5.861 5.377/6.193 5.812 ± 0.7506
ea08 1342 1342/1342 1342 ± 0.00003034 6.149 5.603/6.888 6.257 ± 0.8968
ea09 1342 1342/1342 1342 ± 0.00003172 5.582 5.164/6.378 5.584 ± 0.8375
ea10 1342 1342/1342 1342 ± 0.00003105 5.703 5.129/6.351 5.657 ± 0.7781
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003659 5.54 5.287/6.235 5.636 ± 0.8646
ea13 1342 1342/1342 1342 ± 0.00002725 5.905 5.689/6.359 5.954 ± 0.8313
ea14 1342 1342/1342 1342 ± 0.00002227 5.783 5.383/6.632 5.878 ± 0.9474
ea15 1342 1342/1342 1342 ± 0.00003645 5.49 5.157/6.265 5.537 ± 0.9201
ea16 1342 1342/1342 1342 ± 0.000022 5.844 5.526/6.643 5.867 ± 0.9602
ea17 1342 1342/1342 1342 ± 0.00003541 5.962 5.431/6.7 6.015 ± 0.8574
ea18 1342 1342/1342 1342 ± 0.00003504 4.931 4.76/5.472 5.036 ± 0.6355
ea19 1342 1342/1342 1342 ± 0.00001509 5.759 5.507/6.763 5.957 ± 0.8826
ea20 1342 1342/1342 1342 ± 0.00003546 5.858 5.733/6.718 5.98 ± 0.9218
ea21 1342 1342/1342 1342 ± 0.00001962 5.639 5.336/6.379 5.706 ± 0.869
ea22 1342 1342/1342 1342 ± 0.00003251 5.424 5.136/6.444 5.7 ± 0.8367
ea23 1342 1342/1342 1342 ± 0.00002847 5.846 5.454/6.592 5.954 ± 0.9195
ea25 1342 1342/1342 1342 ± 0.00003284 5.577 5.221/6.247 5.637 ± 0.7574
ea27 1342 1342/1342 1342 ± 0.0000315 5.526 5.184/6.356 5.63 ± 0.7514
ea28 1342 1342/1342 1342 ± 0.00003164 5.636 5.409/6.557 5.93 ± 0.8318
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 ± 0.00002491 5.41 5.179/5.597 5.378 ± 0.2605
5 1342 1342/1342 1342 ± 0.00002889 5.379 5.188/5.515 5.355 ± 0.2909
6 1342 1342/1342 1342 ± 0.00002491 5.327 5.174/5.492 5.325 ± 0.2545
7 1342 1342/1342 1342 ± 0.00002491 5.339 5.172/5.469 5.336 ± 0.2268
8 1342 1342/1342 1342 ± 0.00002491 5.375 5.12/5.519 5.32 ± 0.2442
9 1342 1342/1342 1342 ± 0.00002491 5.64 5.475/5.847 5.614 ± 0.3002
10 1342 1342/1342 1342 ± 0.00002491 6.056 5.88/6.136 6.001 ± 0.3006
11 1342 1342/1342 1342 ± 0.00002491 6.297 6.153/6.435 6.287 ± 0.2888
12 1342 1342/1342 1342 ± 0.00002491 6.471 6.333/6.627 6.459 ± 0.302
13 1342 1342/1342 1342 ± 0.00002491 6.788 6.478/6.963 6.686 ± 0.3853
14 1342 1342/1342 1342 ± 0.00002803 6.677 6.156/6.995 6.567 ± 0.5268
15 1342 1342/1342 1342 ± 0.00002765 6.777 6.587/7.027 6.747 ± 0.3846
16 1342 1342/1342 1342 ± 0.00005374 3.649 3.506/3.866 3.686 ± 0.2706
17 1342 1342/1342 1342 ± 0.00005379 3.851 3.643/4.123 3.906 ± 0.3771
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
Start time
2024-11-02 08:59:45.598
End
2024-11-02 10:01:48.919
Duration
1:02:03.321
Note, WebLog generation is not included in the time.

CASA logs for stage 8