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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 4.961 4.759/5.684 5.231 ± 0.5678
ea02 1342 1342/1342 1342 ± 0.00002051 5.452 5.112/6.297 5.613 ± 0.7961
ea04 1342 1342/1342 1342 ± 0.00002177 4.912 4.785/5.651 5.176 ± 0.5405
ea05 1342 1342/1342 1342 ± 0.000004892 5.222 4.923/6.146 5.497 ± 0.6279
ea06 1342 1342/1342 1342 ± 0 4.733 4.523/5.227 4.898 ± 0.452
ea07 1342 1342/1342 1342 ± 0.00004204 5.305 4.894/5.838 5.471 ± 0.6267
ea08 1342 1342/1342 1342 ± 0.00004068 5.427 5.179/6.391 5.718 ± 0.7529
ea09 1342 1342/1342 1342 ± 0 5.126 4.845/6.101 5.358 ± 0.641
ea10 1342 1342/1342 1342 ± 0.00004269 5.269 4.885/6.123 5.452 ± 0.6475
ea11 1342 1342/1342 1342 ± 0.000008705 5.226 4.791/5.999 5.425 ± 0.7051
ea12 1342 1342/1342 1342 ± 0 5.242 4.927/6.006 5.446 ± 0.66
ea13 1342 1342/1342 1342 ± 0 5.541 5.23/6.099 5.739 ± 0.5598
ea14 1342 1342/1342 1342 ± 0.000006607 5.26 5.049/6.154 5.604 ± 0.6562
ea15 1342 1342/1342 1342 ± 0 4.988 4.906/5.927 5.423 ± 0.6531
ea16 1342 1342/1342 1342 ± 0.00001312 5.627 5.129/6.334 5.739 ± 0.7134
ea17 1342 1342/1342 1342 ± 0.00004269 5.457 4.962/6.507 5.609 ± 0.7337
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.429 5.23/6.373 5.729 ± 0.6507
ea20 1342 1342/1342 1342 ± 0 5.468 5.256/6.435 5.731 ± 0.7385
ea21 1342 1342/1342 1342 ± 0.000009935 5.305 4.941/5.95 5.452 ± 0.6101
ea22 1342 1342/1342 1342 ± 0.000003085 5.173 4.909/6.222 5.482 ± 0.7341
ea23 1342 1342/1342 1342 ± 0.00003849 5.276 5.116/6.198 5.619 ± 0.7253
ea25 1342 1342/1342 1342 ± 0.00002439 5.035 4.888/5.88 5.3 ± 0.6721
ea26 1342 1342/1342 1342 ± 0 5.339 5.081/6.207 5.579 ± 0.6059
ea27 1342 1342/1342 1342 ± 0.00004259 5.074 4.842/6.08 5.376 ± 0.6368
ea28 1342 1342/1342 1342 ± 0.00004261 5.249 4.93/6.173 5.533 ± 0.6725
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 ± 0.00002403 5.087 4.909/5.248 5.072 ± 0.1998
4 1342 1342/1342 1342 ± 0.00003808 4.928 4.62/5.026 4.855 ± 0.2618
5 1342 1342/1342 1342 ± 0.0000245 5.034 4.86/5.251 5.055 ± 0.237
6 1342 1342/1342 1342 ± 0.00002403 4.843 4.755/5.012 4.865 ± 0.1761
7 1342 1342/1342 1342 ± 0.00002403 5.118 4.964/5.222 5.106 ± 0.1876
8 1342 1342/1342 1342 ± 0.00002403 5.105 4.895/5.226 5.07 ± 0.2175
9 1342 1342/1342 1342 ± 0.00002403 5.39 5.236/5.548 5.341 ± 0.2558
10 1342 1342/1342 1342 ± 0.00002403 5.725 5.611/5.818 5.705 ± 0.2215
11 1342 1342/1342 1342 ± 0.00002403 5.997 5.86/6.071 5.941 ± 0.2481
12 1342 1342/1342 1342 ± 0.00002403 6.123 5.945/6.22 6.08 ± 0.2664
13 1342 1342/1342 1342 ± 0.00002403 6.475 6.342/6.589 6.441 ± 0.2622
14 1342 1342/1342 1342 ± 0.00002403 6.613 6.381/6.758 6.573 ± 0.2848
15 1342 1342/1342 1342 ± 0.00002403 6.403 6.199/6.532 6.326 ± 0.3551
16 1342 1342/1342 1342 ± 0.00005862 4.635 4.526/4.843 4.657 ± 0.2504
17 1342 1342/1342 1342 ± 0.00005655 4.706 4.548/4.872 4.713 ± 0.2207
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-12-13 04:04:30.182
End
2024-12-13 04:58:23.649
Duration
0:53:53.467
Note, WebLog generation is not included in the time.

CASA logs for stage 8