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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.658 5.459/6.227 5.889 ± 0.5559
ea02 1342 1342/1342 1342 ± 0 5.783 5.398/6.481 5.98 ± 0.6671
ea04 1342 1342/1342 1342 ± 0 5.178 4.783/5.893 5.37 ± 0.6448
ea05 1342 1342/1342 1342 ± 0 5.489 4.912/6.04 5.559 ± 0.7001
ea06 1342 1342/1342 1342 ± 0 4.59 4.289/5.08 4.689 ± 0.4331
ea07 1342 1342/1342 1342 ± 0 6.102 5.472/6.396 6.091 ± 0.6601
ea08 1342 1342/1342 1342 ± 0.00000845 5.792 5.554/6.78 6.162 ± 0.7284
ea09 1342 1342/1342 1342 ± 0 5.293 4.902/6.328 5.535 ± 0.7223
ea10 1342 1342/1342 1342 ± 0 6.056 5.296/6.83 6.045 ± 0.7627
ea11 1342 1342/1342 1342 ± 0 5.935 5.261/6.479 5.954 ± 0.7143
ea12 1342 1342/1342 1342 ± 0 5.558 5.152/6.262 5.765 ± 0.6807
ea13 1342 1342/1342 1342 ± 0 5.601 5.248/6.128 5.742 ± 0.6203
ea14 1342 1342/1342 1342 ± 0 5.947 5.186/6.358 5.85 ± 0.6826
ea15 1342 1342/1342 1342 ± 0 5.244 4.648/5.986 5.37 ± 0.7787
ea16 1342 1342/1342 1342 ± 0 6.076 5.404/6.681 6.156 ± 0.7733
ea17 1342 1342/1342 1342 ± 0.000001202 6.132 5.527/7.095 6.256 ± 0.7603
ea18 1342 1342/1342 1342 ± 0 5.043 4.686/5.647 5.187 ± 0.5435
ea19 1342 1342/1342 1342 ± 0 5.514 5.2/6.564 5.922 ± 0.7634
ea20 1342 1342/1342 1342 ± 0 5.976 5.51/6.64 6.127 ± 0.6962
ea21 1342 1342/1342 1342 ± 0 5.521 5.07/6.104 5.649 ± 0.6431
ea22 1342 1342/1342 1342 ± 0 5.377 5.003/6.22 5.572 ± 0.6698
ea23 1342 1342/1342 1342 ± 0 6.148 5.488/6.678 6.16 ± 0.7387
ea25 1342 1342/1342 1342 ± 0 5.717 5.287/6.278 5.845 ± 0.6603
ea26 1342 1342/1342 1342 ± 0 5.78 5.178/6.725 5.876 ± 0.7604
ea27 1342 1342/1342 1342 ± 0.00002458 5.693 5.399/6.59 5.935 ± 0.6625
ea28 1342 1342/1342 1342 ± 0.00001868 5.85 5.572/6.717 6.111 ± 0.7041
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 5.185 4.989/5.475 5.189 ± 0.333
3 1342 1342/1342 1342 ± 0.00002496 5.196 5.034/5.318 5.159 ± 0.306
4 1342 1342/1342 1342 ± 0.00002511 5.124 4.752/5.39 5.064 ± 0.3573
5 1342 1342/1342 1342 ± 0.0000235 5.179 4.951/5.52 5.188 ± 0.392
6 1342 1342/1342 1342 ± 0.0000235 5.174 4.902/5.397 5.137 ± 0.3502
7 1342 1342/1342 1342 ± 0.0000235 5.258 5.056/5.456 5.185 ± 0.3151
8 1342 1342/1342 1342 ± 0.0000235 5.259 4.94/5.417 5.177 ± 0.348
9 1342 1342/1342 1342 ± 0.0000235 5.555 5.246/5.831 5.503 ± 0.4258
10 1342 1342/1342 1342 ± 0.0000235 6.07 5.801/6.258 5.988 ± 0.3899
11 1342 1342/1342 1342 ± 0.00002374 6.272 6.056/6.53 6.23 ± 0.4049
12 1342 1342/1342 1342 ± 0.0000235 6.488 6.225/6.728 6.411 ± 0.4219
13 1342 1342/1342 1342 ± 0.0000235 7 6.677/7.165 6.878 ± 0.4481
14 1342 1342/1342 1342 ± 0.0000235 7.172 6.822/7.465 7.069 ± 0.4945
15 1342 1342/1342 1342 ± 0.0000235 6.719 6.452/6.957 6.632 ± 0.4512
16 1342 1342/1342 1342 ± 0.00002979 5.925 5.75/6.206 5.918 ± 0.3774
17 1342 1342/1342 1342 ± 0.00002837 5.926 5.666/6.132 5.881 ± 0.3752
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-07 08:27:46.338
End
2025-01-07 09:22:19.488
Duration
0:54:33.150
Note, WebLog generation is not included in the time.

CASA logs for stage 8