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

Statwt Summary Plot

VLASS2.1.sb38458451.eb38565931.59072.733167094906_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 5.003 4.82/5.676 4.904 ± 1.035
ea02 1342 1342/1342 1342 ± 0.00004236 5.364 5.071/6.121 5.237 ± 1.189
ea05 1342 1342/1342 1342 ± 0.00001319 5.261 4.906/6.03 5.156 ± 0.9456
ea06 1342 1342/1342 1342 ± 0.00004217 4.86 4.706/5.401 4.753 ± 0.9812
ea07 1342 1342/1342 1342 ± 0.00004355 5.286 4.898/5.602 4.959 ± 1.05
ea08 1342 1342/1342 1342 ± 0.00004433 5.563 5.332/6.436 5.471 ± 1.264
ea09 1342 1342/1342 1342 ± 0.000008839 4.973 4.754/5.722 4.888 ± 0.9291
ea10 1342 1342/1342 1342 ± 0.00004532 5.08 4.873/6.045 5.103 ± 1.153
ea11 1342 1342/1342 1342 ± 0.00004332 5.422 4.975/6.074 5.166 ± 1.18
ea12 1342 1342/1342 1342 ± 0.00004258 5.369 5.081/6.275 5.291 ± 1.221
ea13 1342 1342/1342 1342 ± 0.00001373 5.638 5.483/6.179 5.484 ± 1.033
ea14 1342 1342/1342 1342 ± 0.00001692 5.288 5.028/6.187 5.189 ± 1.169
ea15 1342 1342/1342 1342 ± 0.00003514 5.24 4.954/6.025 5.161 ± 1.133
ea16 1342 1342/1342 1342 ± 0 5.027 4.984/5.181 5.032 ± 0.2511
ea17 1342 1342/1342 1342 ± 0.00004693 5.616 5.094/6.336 5.363 ± 1.247
ea18 1342 1342/1342 1342 ± 0.00004232 4.75 4.386/5.264 4.545 ± 0.9322
ea19 1342 1342/1342 1342 ± 0.000007824 5.439 5.186/6.166 5.361 ± 0.9409
ea20 1342 1342/1342 1342 ± 0.0000426 5.646 5.314/6.508 5.542 ± 1.313
ea21 1342 1342/1342 1342 ± 0.0000207 5.104 4.828/5.843 5.061 ± 0.9722
ea22 1342 1342/1342 1342 ± 0.00003683 5.26 4.891/6.06 5.171 ± 1.154
ea23 1342 1342/1342 1342 ± 0.00004193 5.325 4.991/6.104 5.173 ± 1.188
ea25 1342 1342/1342 1342 ± 0 5.097 4.874/5.188 5.075 ± 0.1821
ea26 1342 1342/1342 1342 ± 0.00002157 5.383 5.243/6.101 5.298 ± 1.032
ea27 1342 1342/1342 1342 ± 0.00004637 5.094 4.824/5.942 5.021 ± 1.118
ea28 1342 1342/1342 1342 ± 0.00004619 5.254 5.027/6.13 5.184 ± 1.165
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 ± 0.0000241 5.181 4.962/5.305 5.139 ± 0.2623
5 1342 1342/1342 1342 ± 0.0000241 5.021 4.861/5.181 4.999 ± 0.3318
6 1342 1342/1342 1342 ± 0.0000241 5.038 4.989/5.188 5.064 ± 0.2415
7 1342 1342/1342 1342 ± 0.0000241 5.082 4.971/5.193 5.099 ± 0.2123
8 1342 1342/1342 1342 ± 0.0000241 5.127 4.921/5.292 5.109 ± 0.2508
9 1342 1342/1342 1342 ± 0.0000241 5.375 5.265/5.563 5.34 ± 0.2892
10 1342 1342/1342 1342 ± 0.00002507 5.807 5.538/5.92 5.757 ± 0.3061
11 1342 1342/1342 1342 ± 0.00002507 6.13 5.977/6.238 6.051 ± 0.3172
12 1342 1342/1342 1342 ± 0.00002507 6.298 6.02/6.356 6.211 ± 0.3189
13 1342 1342/1342 1342 ± 0.00002527 6.176 5.867/6.433 6.147 ± 0.3622
14 1342 1342/1342 1342 ± 0.00004535 5.201 4.815/5.632 5.277 ± 0.6706
15 1342 1342/1342 1342 ± 0.00002507 6.343 6.115/6.608 6.299 ± 0.4364
16 1342 1342/1342 1342 ± 0.00005475 2.605 2.413/2.838 2.651 ± 0.3299
17 1342 1342/1342 1342 ± 0.00005747 2.726 2.569/2.99 2.801 ± 0.3061
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38458451.eb38565931.59072.733167094906_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-11-16 07:12:43.645
End
2024-11-16 07:55:53.932
Duration
0:43:10.287
Note, WebLog generation is not included in the time.

CASA logs for stage 8