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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.146 5.541/6.567 6.096 ± 0.6107
ea02 1342 1342/1342 1342 ± 0 6.299 5.689/6.556 6.216 ± 0.6003
ea03 1342 1342/1342 1342 ± 0 6.085 5.379/6.684 6.11 ± 0.6927
ea04 1342 1342/1342 1342 ± 0 5.533 4.96/5.901 5.516 ± 0.5293
ea05 1342 1342/1342 1342 ± 0 5.863 5.326/6.561 5.954 ± 0.6133
ea06 1342 1342/1342 1342 ± 0 5.966 5.068/6.069 5.706 ± 0.61
ea07 1342 1342/1342 1342 ± 0 6.056 5.249/6.344 5.905 ± 0.6556
ea08 1342 1342/1342 1342 ± 0 6.514 5.724/6.789 6.374 ± 0.6267
ea09 1342 1342/1342 1342 ± 0 5.82 5.222/6.456 5.859 ± 0.612
ea10 1342 1342/1342 1342 ± 0 5.477 5.054/5.957 5.49 ± 0.5135
ea11 1342 1342/1342 1342 ± 0 5.381 5.147/6.162 5.616 ± 0.633
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.745 5.421/6.163 5.823 ± 0.4708
ea14 1342 1342/1342 1342 ± 0 5.952 5.483/6.372 6.011 ± 0.4964
ea15 1342 1342/1342 1342 ± 0 6.176 5.54/6.598 6.147 ± 0.6627
ea16 1342 1342/1342 1342 ± 0 6.19 5.735/6.715 6.261 ± 0.6768
ea17 1342 1342/1342 1342 ± 0 6.086 5.696/6.826 6.207 ± 0.6127
ea18 1342 1342/1342 1342 ± 0 6.198 5.707/6.737 6.161 ± 0.5541
ea19 1342 1342/1342 1342 ± 0 5.95 5.414/6.478 5.969 ± 0.5572
ea20 1342 1342/1342 1342 ± 0 5.792 5.402/6.487 5.93 ± 0.5723
ea21 1342 1342/1342 1342 ± 0 5.433 5.108/5.913 5.549 ± 0.4924
ea22 1342 1342/1342 1342 ± 0 6.304 5.656/6.686 6.188 ± 0.6062
ea23 1342 1342/1342 1342 ± 0 6.133 5.508/6.261 6.038 ± 0.6113
ea24 1342 1342/1342 1342 ± 0 5.936 5.299/6.454 5.818 ± 0.5933
ea25 1342 1342/1342 1342 ± 0 6.434 5.639/6.846 6.376 ± 0.7411
ea27 1342 1342/1342 1342 ± 0 6.044 5.298/6.468 5.908 ± 0.6338
ea28 1342 1342/1342 1342 ± 0 6.285 5.722/6.796 6.266 ± 0.6016
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 ± 0.00002357 5.453 5.299/5.647 5.45 ± 0.2546
4 1342 1342/1342 1342 ± 0.00002402 5.367 5.136/5.723 5.403 ± 0.3398
5 1342 1342/1342 1342 ± 0.00002357 5.314 5.15/5.498 5.341 ± 0.2752
6 1342 1342/1342 1342 ± 0.00002357 5.399 5.146/5.511 5.362 ± 0.2809
7 1342 1342/1342 1342 ± 0.00002357 5.412 5.304/5.616 5.409 ± 0.2368
8 1342 1342/1342 1342 ± 0.00002357 5.399 5.174/5.538 5.35 ± 0.2508
9 1342 1342/1342 1342 ± 0.00002357 5.651 5.584/5.85 5.667 ± 0.2531
10 1342 1342/1342 1342 ± 0.00002357 6.137 6.046/6.202 6.105 ± 0.2286
11 1342 1342/1342 1342 ± 0.00002357 6.379 6.172/6.489 6.321 ± 0.2477
12 1342 1342/1342 1342 ± 0.00002357 6.479 6.182/6.693 6.445 ± 0.2784
13 1342 1342/1342 1342 ± 0.00002357 6.864 6.647/7.125 6.858 ± 0.3185
14 1342 1342/1342 1342 ± 0.00002357 7.043 6.78/7.251 7.021 ± 0.3323
15 1342 1342/1342 1342 ± 0.00002357 6.749 6.516/7.041 6.761 ± 0.3701
16 1342 1342/1342 1342 ± 0.00002357 6.151 5.869/6.494 6.15 ± 0.376
17 1342 1342/1342 1342 ± 0.00002357 6.156 5.953/6.31 6.099 ± 0.3324
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
Start time
2025-08-08 19:38:44.916
End
2025-08-08 19:56:10.539
Duration
0:17:25.624
Note, WebLog generation is not included in the time.

CASA logs for stage 8