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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.272 5.092/5.991 5.483 ± 0.561
ea02 1342 1342/1342 1342 ± 0.00002881 5.868 5.322/6.581 5.941 ± 0.7325
ea03 1342 1342/1342 1342 ± 0.00001578 5.015 4.609/5.943 5.216 ± 0.6977
ea04 1342 1342/1342 1342 ± 0.00002516 5.266 5.022/6.052 5.493 ± 0.6348
ea05 1342 1342/1342 1342 ± 0.00002206 5.42 5.102/6.373 5.636 ± 0.7321
ea06 1342 1342/1342 1342 ± 0.00002505 5.032 4.813/5.56 5.143 ± 0.4848
ea07 1342 1342/1342 1342 ± 0.00002803 5.792 5.304/6.213 5.802 ± 0.682
ea08 1342 1342/1342 1342 ± 0.00002414 6.045 5.528/6.832 6.184 ± 0.7705
ea09 1342 1342/1342 1342 ± 0.00001793 5.492 5.152/6.446 5.662 ± 0.7437
ea10 1342 1342/1342 1342 ± 0.0000277 5.723 5.142/6.557 5.79 ± 0.762
ea11 1342 1342/1342 1342 ± 0.00003023 5.709 5.015/6.353 5.668 ± 0.7294
ea12 1342 1342/1342 1342 ± 0.00002763 5.48 5.178/6.332 5.696 ± 0.7298
ea13 1342 1342/1342 1342 ± 0.00001677 5.805 5.634/6.406 5.999 ± 0.7075
ea14 1342 1342/1342 1342 ± 0.00002715 5.523 5.09/6.349 5.72 ± 0.7592
ea15 1342 1342/1342 1342 ± 0.0000251 5.485 5.158/6.271 5.683 ± 0.8067
ea16 1342 1342/1342 1342 ± 0.00002512 5.896 5.487/6.738 6.07 ± 0.8804
ea17 1342 1342/1342 1342 ± 0.00003483 5.989 5.469/7.052 6.135 ± 0.8171
ea18 1342 1342/1342 1342 ± 0.00003 4.818 4.632/5.572 4.968 ± 0.5196
ea19 1342 1342/1342 1342 ± 0.00002126 5.494 5.292/6.483 5.777 ± 0.732
ea21 1342 1342/1342 1342 ± 0.00002299 5.545 5.25/6.329 5.728 ± 0.7179
ea22 1342 1342/1342 1342 ± 0.00002564 5.44 5.132/6.395 5.7 ± 0.7413
ea23 1342 1342/1342 1342 ± 0.00002772 5.793 5.283/6.523 5.93 ± 0.7905
ea25 1342 1342/1342 1342 ± 0.00003262 5.549 5.116/6.245 5.631 ± 0.6735
ea26 1342 1342/1342 1342 ± 0.0000202 5.81 5.468/6.79 6.012 ± 0.8185
ea27 1342 1342/1342 1342 ± 0.00002978 5.476 5.059/6.379 5.673 ± 0.6849
ea28 1342 1342/1342 1342 ± 0.00002879 5.355 5.168/6.21 5.623 ± 0.6481
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 5.173 5.009/5.368 5.16 ± 0.2454
5 1342 1342/1342 1342 ± 0.00002355 5.107 4.941/5.305 5.143 ± 0.3134
6 1342 1342/1342 1342 ± 0.00002348 5.174 5.013/5.326 5.178 ± 0.2919
7 1342 1342/1342 1342 ± 0.00002348 5.187 5.122/5.325 5.221 ± 0.2496
8 1342 1342/1342 1342 ± 0.00002348 5.259 5.026/5.416 5.211 ± 0.2754
9 1342 1342/1342 1342 ± 0.00002348 5.508 5.353/5.792 5.525 ± 0.3075
10 1342 1342/1342 1342 ± 0.00002348 5.941 5.754/6.132 5.902 ± 0.3092
11 1342 1342/1342 1342 ± 0.00002348 6.24 6.07/6.4 6.179 ± 0.3081
12 1342 1342/1342 1342 ± 0.00002348 6.369 6.21/6.519 6.344 ± 0.3206
13 1342 1342/1342 1342 ± 0.00002366 6.672 6.451/6.812 6.597 ± 0.3728
14 1342 1342/1342 1342 ± 0.00002738 6.626 6.36/6.859 6.581 ± 0.4314
15 1342 1342/1342 1342 ± 0.0000311 6.65 6.444/6.874 6.617 ± 0.4544
16 1342 1342/1342 1342 ± 0.00005439 4.095 4/4.197 4.097 ± 0.1731
17 1342 1342/1342 1342 ± 0.00005326 4.234 4.107/4.35 4.219 ± 0.2064
datacolumn
residual_data
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-04 11:35:18.029
End
2025-01-04 12:25:14.468
Duration
0:49:56.439
Note, WebLog generation is not included in the time.

CASA logs for stage 8