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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.427 5.061/6.204 5.529 ± 0.9206
ea02 1342 1342/1342 1342 ± 0.00002373 5.636 5.175/6.338 5.54 ± 0.9733
ea03 1342 1342/1342 1342 ± 0 5.22 5.14/6.591 5.706 ± 0.8348
ea04 1342 1342/1342 1342 ± 0.00004532 5.078 4.873/5.952 5.222 ± 0.6883
ea05 1342 1342/1342 1342 ± 0.00004836 5.245 4.986/6.233 5.443 ± 0.808
ea06 1342 1342/1342 1342 ± 0.00001734 4.863 4.747/5.849 5.23 ± 0.7787
ea07 1342 1342/1342 1342 ± 0.00002658 5.027 4.875/6.154 5.324 ± 0.9601
ea08 1342 1342/1342 1342 ± 0 5.735 5.258/6.643 5.844 ± 0.8823
ea09 1342 1342/1342 1342 ± 0.00004558 4.974 4.715/5.898 5.14 ± 0.7109
ea10 1342 1342/1342 1342 ± 0.00004568 4.898 4.145/5.857 4.959 ± 0.848
ea11 1342 1342/1342 1342 ± 0.00005162 5.111 4.453/6.193 5.166 ± 0.9182
ea12 1342 1342/1342 1342 ± 0.00004272 5.117 4.905/5.813 5.24 ± 0.7188
ea14 1342 1342/1342 1342 ± 0.00004763 5.429 5.161/6.307 5.5 ± 0.7911
ea15 1342 1342/1342 1342 ± 0.00005125 5.188 4.741/6.362 5.412 ± 0.9565
ea16 1342 1342/1342 1342 ± 0.00001911 5.697 5.176/6.572 5.839 ± 0.7911
ea17 1342 1342/1342 1342 ± 0.00002788 5.447 5.127/6.374 5.634 ± 0.9301
ea18 1342 1342/1342 1342 ± 0 5.703 5.396/6.773 5.953 ± 0.8636
ea19 1342 1342/1342 1342 ± 0.00004075 5.393 5.129/6.193 5.533 ± 0.7769
ea21 1342 1342/1342 1342 ± 0.000004868 4.89 4.806/5.78 5.162 ± 0.7015
ea22 1342 1342/1342 1342 ± 0.00001894 5.539 4.949/6.311 5.52 ± 0.8674
ea23 1342 1342/1342 1342 ± 0.00004762 5.454 5.04/6.261 5.535 ± 0.8593
ea24 1342 1342/1342 1342 ± 0.00001125 5.153 4.971/6.193 5.47 ± 0.7744
ea25 1342 1342/1342 1342 ± 0.00001051 5.443 5.352/6.779 5.967 ± 0.9919
ea27 1342 1342/1342 1342 ± 0.000006717 5.205 4.906/6.297 5.489 ± 0.7504
ea28 1342 1342/1342 1342 ± 0.00001043 5.58 5.488/6.69 5.873 ± 0.8362
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 ± 0.00002392 5.04 4.907/5.131 4.988 ± 0.2863
4 1342 1342/1342 1342 ± 0.00006052 3.467 3.374/3.69 3.511 ± 0.2214
5 1342 1342/1342 1342 ± 0.00002591 5.047 4.779/5.354 5.064 ± 0.3454
6 1342 1342/1342 1342 ± 0.00002392 5.135 4.904/5.395 5.125 ± 0.2704
7 1342 1342/1342 1342 ± 0.00002392 5.181 5.008/5.295 5.156 ± 0.2335
8 1342 1342/1342 1342 ± 0.00002392 5.119 4.97/5.245 5.109 ± 0.26
9 1342 1342/1342 1342 ± 0.00002392 5.426 5.315/5.66 5.44 ± 0.2773
10 1342 1342/1342 1342 ± 0.00002392 5.996 5.828/6.123 5.959 ± 0.2652
11 1342 1342/1342 1342 ± 0.00002392 6.297 6.152/6.369 6.243 ± 0.2688
12 1342 1342/1342 1342 ± 0.00002392 6.375 6.198/6.577 6.396 ± 0.3104
13 1342 1342/1342 1342 ± 0.00002392 6.674 6.328/7.035 6.691 ± 0.3587
14 1342 1342/1342 1342 ± 0.00004979 5.99 5.624/6.415 6.094 ± 0.6231
15 1342 1342/1342 1342 ± 0.00002392 6.579 6.238/6.902 6.579 ± 0.3827
16 1342 1342/1342 1342 ± 0.00006099 4.236 3.991/4.678 4.349 ± 0.4333
17 1342 1342/1342 1342 ± 0.00006085 4.183 3.996/4.482 4.269 ± 0.3678
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
overwrite_modelcol
False
Start time
2025-07-22 20:40:22.340
End
2025-07-22 21:32:42.974
Duration
0:52:20.633
Note, WebLog generation is not included in the time.

CASA logs for stage 8