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

Statwt Summary Plot

VLASS3.2.sb45478884.eb45758950.60430.75354622686_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 5.939 5.433/6.3 5.915 ± 0.5571
ea02 1342 1342/1342 1342 ± 0.00002944 5.937 5.655/6.49 6.122 ± 0.6725
ea03 1342 1342/1342 1342 ± 0 6.115 5.479/6.727 6.16 ± 0.6992
ea04 1342 1342/1342 1342 ± 0.000004528 5.442 5.077/5.884 5.47 ± 0.5431
ea05 1342 1342/1342 1342 ± 0.000006334 5.693 5.549/6.522 6.003 ± 0.6364
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 5.793 5.395/6.289 5.96 ± 0.6621
ea08 1342 1342/1342 1342 ± 0 6.209 5.809/6.896 6.393 ± 0.6392
ea09 1342 1342/1342 1342 ± 0 5.937 5.174/6.461 5.9 ± 0.6524
ea10 1342 1342/1342 1342 ± 0 5.462 5.163/6.149 5.635 ± 0.578
ea11 1342 1342/1342 1342 ± 0.00002189 5.363 5.157/6.226 5.635 ± 0.6696
ea12 1342 1342/1342 1342 ± 0.00002283 5.496 5.369/6.322 5.76 ± 0.59
ea13 1342 1342/1342 1342 ± 0 6.219 5.619/6.361 6.119 ± 0.5539
ea14 1342 1342/1342 1342 ± 0 6.005 5.66/6.611 6.167 ± 0.5637
ea15 1342 1342/1342 1342 ± 0.00001255 6.116 5.383/6.458 6.072 ± 0.6947
ea16 1342 1342/1342 1342 ± 0 6.217 5.693/6.742 6.275 ± 0.6749
ea17 1342 1342/1342 1342 ± 0 6.007 5.764/7.086 6.259 ± 0.7504
ea18 1342 1342/1342 1342 ± 0 6.366 5.996/7.165 6.492 ± 0.6658
ea19 1342 1342/1342 1342 ± 0.00001886 5.648 5.31/6.518 5.913 ± 0.6127
ea20 1342 1342/1342 1342 ± 0 6.22 5.517/6.623 6.126 ± 0.5988
ea21 1342 1342/1342 1342 ± 0 5.63 5.2/6.096 5.71 ± 0.5264
ea22 1342 1342/1342 1342 ± 0 6.146 5.857/7.079 6.415 ± 0.6736
ea23 1342 1342/1342 1342 ± 0 5.954 5.657/6.446 6.122 ± 0.6533
ea24 1342 1342/1342 1342 ± 0 6.149 5.361/6.572 5.99 ± 0.587
ea25 1342 1342/1342 1342 ± 0 6.657 5.713/6.96 6.543 ± 0.7889
ea27 1342 1342/1342 1342 ± 0 5.899 5.514/6.569 6.016 ± 0.5664
ea28 1342 1342/1342 1342 ± 0 6.502 5.817/7.014 6.463 ± 0.6628
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 5.55 5.379/5.66 5.553 ± 0.2154
4 1342 1342/1342 1342 ± 0.00003703 5.344 5.085/5.532 5.307 ± 0.3318
5 1342 1342/1342 1342 ± 0.00003214 5.206 4.98/5.636 5.262 ± 0.4048
6 1342 1342/1342 1342 ± 0.0000235 5.392 5.157/5.663 5.382 ± 0.3029
7 1342 1342/1342 1342 ± 0.0000235 5.481 5.298/5.619 5.453 ± 0.245
8 1342 1342/1342 1342 ± 0.0000235 5.394 5.233/5.594 5.408 ± 0.2669
9 1342 1342/1342 1342 ± 0.0000235 5.686 5.542/5.956 5.725 ± 0.2965
10 1342 1342/1342 1342 ± 0.0000235 6.171 6.005/6.33 6.174 ± 0.2774
11 1342 1342/1342 1342 ± 0.0000235 6.403 6.217/6.541 6.399 ± 0.2941
12 1342 1342/1342 1342 ± 0.0000235 6.558 6.324/6.742 6.563 ± 0.3242
13 1342 1342/1342 1342 ± 0.0000235 7.038 6.754/7.28 7.003 ± 0.3436
14 1342 1342/1342 1342 ± 0.0000235 7.178 6.896/7.457 7.154 ± 0.3704
15 1342 1342/1342 1342 ± 0.0000235 6.794 6.552/7.121 6.78 ± 0.3747
16 1342 1342/1342 1342 ± 0.00003242 6.046 5.632/6.232 5.965 ± 0.4209
17 1342 1342/1342 1342 ± 0.00002902 6.01 5.686/6.336 5.994 ± 0.4117
output_dir
 
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-18 08:29:11.173
End
2025-07-18 09:22:00.202
Duration
0:52:49.030
Note, WebLog generation is not included in the time.

CASA logs for stage 8