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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.514 5.363/6.261 5.613 ± 0.8093
ea02 1342 1342/1342 1342 ± 0.00002179 5.453 5.148/6.328 5.572 ± 0.8016
ea03 1342 1342/1342 1342 ± 0 5.138 4.999/5.847 5.403 ± 0.5796
ea04 1342 1342/1342 1342 ± 0.00004182 5.108 4.787/5.89 5.148 ± 0.6974
ea05 1342 1342/1342 1342 ± 0.00004413 5.281 4.964/6.207 5.399 ± 0.8336
ea06 1342 1342/1342 1342 ± 0.000004186 5.098 4.737/5.847 5.162 ± 0.6318
ea07 1342 1342/1342 1342 ± 0.00002913 5.084 4.871/6.115 5.37 ± 0.7825
ea08 1342 1342/1342 1342 ± 0.00000262 5.531 5.261/6.639 5.688 ± 0.9071
ea09 1342 1342/1342 1342 ± 0.00003367 5.116 4.9/5.461 5.237 ± 0.6362
ea10 1342 1342/1342 1342 ± 0.00003777 4.473 4.248/4.858 4.434 ± 0.5013
ea11 1342 1342/1342 1342 ± 0.00004716 5.56 4.936/6.368 5.478 ± 0.9294
ea12 1342 1342/1342 1342 ± 0.00003622 5.07 4.772/5.754 5.072 ± 0.7195
ea14 1342 1342/1342 1342 ± 0.00004253 5.388 5.123/6.361 5.508 ± 0.7996
ea15 1342 1342/1342 1342 ± 0.00004536 5.378 5.133/6.28 5.565 ± 0.8709
ea16 1342 1342/1342 1342 ± 0.000003929 5.564 5.107/6.217 5.572 ± 0.7389
ea17 1342 1342/1342 1342 ± 0.00003415 5.645 5.176/6.52 5.742 ± 0.889
ea18 1342 1342/1342 1342 ± 0.00001237 5.619 5.328/6.492 5.677 ± 0.8909
ea19 1342 1342/1342 1342 ± 0.0000151 5.317 4.984/6.213 5.391 ± 0.7793
ea20 1342 1342/1342 1342 ± 0.000002929 5.806 5.558/6.753 6.09 ± 0.7032
ea21 1342 1342/1342 1342 ± 0 4.777 4.596/5.411 4.931 ± 0.4962
ea22 1342 1342/1342 1342 ± 0.000004721 5.447 5.026/6.244 5.464 ± 0.813
ea23 1342 1342/1342 1342 ± 0.00004019 5.562 5.04/6.346 5.567 ± 0.8357
ea24 1342 1342/1342 1342 ± 0 5.258 4.91/6.191 5.509 ± 0.7014
ea25 1342 1342/1342 1342 ± 0 5.617 5.104/6.367 5.706 ± 0.6816
ea27 1342 1342/1342 1342 ± 0.000001853 5.101 4.923/6.069 5.247 ± 0.7451
ea28 1342 1342/1342 1342 ± 0 5.79 5.612/6.707 6.081 ± 0.6587
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 ± 0.00002348 5.171 4.94/5.334 5.132 ± 0.3042
5 1342 1342/1342 1342 ± 0.00002375 5.033 4.882/5.347 5.066 ± 0.3408
6 1342 1342/1342 1342 ± 0.00002348 5.082 4.882/5.401 5.116 ± 0.3162
7 1342 1342/1342 1342 ± 0.00002348 5.164 4.999/5.373 5.181 ± 0.3097
8 1342 1342/1342 1342 ± 0.00002348 5.126 4.972/5.377 5.174 ± 0.3482
9 1342 1342/1342 1342 ± 0.00002348 5.535 5.194/5.805 5.482 ± 0.356
10 1342 1342/1342 1342 ± 0.00002348 5.986 5.743/6.139 5.921 ± 0.3597
11 1342 1342/1342 1342 ± 0.00002348 6.226 6.11/6.52 6.204 ± 0.3749
12 1342 1342/1342 1342 ± 0.00002348 6.431 6.206/6.567 6.355 ± 0.441
13 1342 1342/1342 1342 ± 0.00002361 6.631 6.444/6.905 6.587 ± 0.5334
14 1342 1342/1342 1342 ± 0.00003422 5.167 4.957/5.514 5.396 ± 0.7109
15 1342 1342/1342 1342 ± 0.00002348 6.288 5.995/6.583 6.208 ± 0.5242
16 1342 1342/1342 1342 ± 0.00005951 4.164 3.99/4.422 4.302 ± 0.5099
17 1342 1342/1342 1342 ± 0.00005962 4.067 3.912/4.281 4.182 ± 0.4261
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-23 13:20:57.020
End
2025-07-23 14:06:08.476
Duration
0:45:11.456
Note, WebLog generation is not included in the time.

CASA logs for stage 8