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 6.167 5.594/6.633 6.11 ± 0.6264
ea02 1342 1342/1342 1342 ± 0 6.291 5.645/6.524 6.214 ± 0.6026
ea03 1342 1342/1342 1342 ± 0 6.09 5.347/6.699 6.124 ± 0.7337
ea04 1342 1342/1342 1342 ± 0 5.675 5.139/6.111 5.718 ± 0.5519
ea05 1342 1342/1342 1342 ± 0 5.842 5.361/6.643 5.991 ± 0.6461
ea06 1342 1342/1342 1342 ± 0 5.969 5.077/6.15 5.713 ± 0.6353
ea07 1342 1342/1342 1342 ± 0 6.033 5.239/6.37 5.885 ± 0.6632
ea08 1342 1342/1342 1342 ± 0 6.542 5.774/6.853 6.407 ± 0.6449
ea09 1342 1342/1342 1342 ± 0 5.776 5.208/6.488 5.85 ± 0.6426
ea10 1342 1342/1342 1342 ± 0 5.568 5.136/6.082 5.585 ± 0.533
ea11 1342 1342/1342 1342 ± 0 5.366 5.179/6.242 5.634 ± 0.6536
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.713 5.423/6.243 5.865 ± 0.4948
ea14 1342 1342/1342 1342 ± 0 6.026 5.47/6.385 6.017 ± 0.5326
ea15 1342 1342/1342 1342 ± 0 6.067 5.603/6.575 6.133 ± 0.6963
ea16 1342 1342/1342 1342 ± 0 6.213 5.686/6.698 6.243 ± 0.6874
ea17 1342 1342/1342 1342 ± 0 6.147 5.695/6.886 6.248 ± 0.6332
ea18 1342 1342/1342 1342 ± 0 6.391 5.832/6.986 6.331 ± 0.6776
ea19 1342 1342/1342 1342 ± 0 6.036 5.468/6.546 6.033 ± 0.5889
ea20 1342 1342/1342 1342 ± 0 5.901 5.61/6.715 6.095 ± 0.6182
ea21 1342 1342/1342 1342 ± 0 5.452 5.081/5.911 5.545 ± 0.4978
ea22 1342 1342/1342 1342 ± 0 6.329 5.628/6.689 6.161 ± 0.6438
ea23 1342 1342/1342 1342 ± 0 6.187 5.46/6.336 6.04 ± 0.6407
ea24 1342 1342/1342 1342 ± 0 5.858 5.345/6.51 5.831 ± 0.6314
ea25 1342 1342/1342 1342 ± 0 6.292 5.597/6.69 6.304 ± 0.7251
ea27 1342 1342/1342 1342 ± 0 6.045 5.387/6.522 5.935 ± 0.6593
ea28 1342 1342/1342 1342 ± 0 6.086 5.658/6.843 6.213 ± 0.6208
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 ± 0.0000235 5.471 5.288/5.635 5.462 ± 0.2577
4 1342 1342/1342 1342 ± 0.00002504 5.266 5.105/5.424 5.299 ± 0.3021
5 1342 1342/1342 1342 ± 0.00002389 5.323 5.111/5.463 5.292 ± 0.2742
6 1342 1342/1342 1342 ± 0.0000235 5.419 5.159/5.593 5.381 ± 0.279
7 1342 1342/1342 1342 ± 0.0000235 5.455 5.334/5.632 5.441 ± 0.2335
8 1342 1342/1342 1342 ± 0.0000235 5.418 5.171/5.594 5.374 ± 0.2602
9 1342 1342/1342 1342 ± 0.0000235 5.724 5.574/5.875 5.703 ± 0.2546
10 1342 1342/1342 1342 ± 0.0000235 6.176 6.037/6.285 6.142 ± 0.227
11 1342 1342/1342 1342 ± 0.0000235 6.416 6.229/6.473 6.357 ± 0.2392
12 1342 1342/1342 1342 ± 0.0000235 6.539 6.249/6.7 6.494 ± 0.2772
13 1342 1342/1342 1342 ± 0.0000235 6.914 6.735/7.187 6.912 ± 0.3057
14 1342 1342/1342 1342 ± 0.0000235 7.172 6.842/7.292 7.078 ± 0.2997
15 1342 1342/1342 1342 ± 0.0000235 6.78 6.573/7.075 6.8 ± 0.337
16 1342 1342/1342 1342 ± 0.0000235 6.166 5.846/6.534 6.162 ± 0.3934
17 1342 1342/1342 1342 ± 0.0000235 6.184 5.877/6.408 6.12 ± 0.3491
overwrite_modelcol
False
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-08-03 02:54:05.485
End
2025-08-03 03:22:34.074
Duration
0:28:28.589
Note, WebLog generation is not included in the time.

CASA logs for stage 8