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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.568 5.332/6.148 5.602 ± 0.7515
ea02 1342 1342/1342 1342 ± 0.00004221 5.959 5.528/6.707 5.922 ± 0.9433
ea04 1342 1342/1342 1342 ± 0 4.941 4.722/5.625 5.118 ± 0.5841
ea05 1342 1342/1342 1342 ± 0.00001239 5.119 4.737/5.968 5.278 ± 0.6436
ea06 1342 1342/1342 1342 ± 0 4.798 4.627/5.289 4.902 ± 0.5271
ea07 1342 1342/1342 1342 ± 0.00004309 5.741 5.26/6.048 5.571 ± 0.7394
ea08 1342 1342/1342 1342 ± 0.00004273 6.087 5.725/6.905 6.082 ± 0.9778
ea09 1342 1342/1342 1342 ± 0 5.467 5.13/6.289 5.59 ± 0.6802
ea10 1342 1342/1342 1342 ± 0.00004194 5.748 5.28/6.394 5.683 ± 0.7583
ea11 1342 1342/1342 1342 ± 0.00002861 5.759 5.203/6.292 5.62 ± 0.8909
ea12 1342 1342/1342 1342 ± 0 5.278 5.019/6.233 5.513 ± 0.7871
ea13 1342 1342/1342 1342 ± 0.00001605 5.733 5.388/6.065 5.74 ± 0.6212
ea14 1342 1342/1342 1342 ± 0.000001193 5.452 5.133/6.295 5.603 ± 0.7195
ea15 1342 1342/1342 1342 ± 0 5.008 4.762/5.865 5.322 ± 0.7535
ea16 1342 1342/1342 1342 ± 0.00002091 5.597 5.186/6.345 5.623 ± 0.7454
ea17 1342 1342/1342 1342 ± 0.00004065 6.106 5.616/7.03 6.07 ± 0.9638
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.394 5.146/6.314 5.577 ± 0.6933
ea20 1342 1342/1342 1342 ± 0 5.614 5.374/6.57 5.765 ± 0.8496
ea21 1342 1342/1342 1342 ± 0.00002101 5.218 5.009/5.947 5.324 ± 0.6962
ea22 1342 1342/1342 1342 ± 0.00003469 5.538 5.27/6.567 5.704 ± 0.8211
ea23 1342 1342/1342 1342 ± 0.00004267 5.579 5.265/6.366 5.666 ± 0.8086
ea25 1342 1342/1342 1342 ± 0.0000367 5.693 5.366/6.345 5.679 ± 0.8413
ea26 1342 1342/1342 1342 ± 0.00001687 5.562 5.488/6.414 5.755 ± 0.6634
ea27 1342 1342/1342 1342 ± 0.00004568 5.635 5.209/6.503 5.7 ± 0.8434
ea28 1342 1342/1342 1342 ± 0.00003309 6.117 5.618/6.659 6.018 ± 0.7923
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 ± 0.00002393 5.61 5.308/5.741 5.509 ± 0.3333
5 1342 1342/1342 1342 ± 0.00002442 5.32 5.116/5.426 5.277 ± 0.3018
6 1342 1342/1342 1342 ± 0.00002393 5.277 5.13/5.562 5.302 ± 0.3327
7 1342 1342/1342 1342 ± 0.00002393 5.278 5.077/5.519 5.274 ± 0.3101
8 1342 1342/1342 1342 ± 0.00002393 5.207 5.09/5.428 5.222 ± 0.3239
9 1342 1342/1342 1342 ± 0.00002393 5.54 5.215/5.729 5.49 ± 0.3671
10 1342 1342/1342 1342 ± 0.00002393 5.931 5.625/6.078 5.888 ± 0.3622
11 1342 1342/1342 1342 ± 0.00002393 6.167 5.956/6.35 6.153 ± 0.3596
12 1342 1342/1342 1342 ± 0.00002393 6.349 6.062/6.554 6.319 ± 0.3803
13 1342 1342/1342 1342 ± 0.00002459 6.605 6.401/6.78 6.598 ± 0.3159
14 1342 1342/1342 1342 ± 0.00003083 6.52 6.218/6.74 6.49 ± 0.3413
15 1342 1342/1342 1342 ± 0.00002414 6.591 6.334/6.744 6.534 ± 0.4425
16 1342 1342/1342 1342 ± 0.0000608 4.077 3.907/4.235 4.086 ± 0.2238
17 1342 1342/1342 1342 ± 0.00006033 4.356 4.147/4.534 4.348 ± 0.2566
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
output_dir
 
Start time
2024-12-13 08:58:26.571
End
2024-12-13 10:03:00.611
Duration
1:04:34.040
Note, WebLog generation is not included in the time.

CASA logs for stage 8