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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.896 5.397/6.685 5.82 ± 0.8944
ea03 1342 1342/1342 1342 ± 0.00001817 4.93 4.713/6.023 5.289 ± 0.7313
ea04 1342 1342/1342 1342 ± 0 5.331 5.061/6.066 5.438 ± 0.8038
ea05 1342 1342/1342 1342 ± 0.000006717 5.254 4.825/6.161 5.462 ± 0.7643
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00003081 5.854 5.436/6.442 5.89 ± 0.9483
ea08 1342 1342/1342 1342 ± 0.00004257 5.754 5.362/6.76 5.856 ± 0.9244
ea09 1342 1342/1342 1342 ± 0.00004167 5.56 5.188/6.581 5.676 ± 0.8483
ea10 1342 1342/1342 1342 ± 0.00003681 5.831 5.067/6.822 5.776 ± 1.047
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.0000526 6.31 5.586/6.829 5.954 ± 1.143
ea13 1342 1342/1342 1342 ± 0.00002063 5.688 5.336/6.238 5.789 ± 0.683
ea14 1342 1342/1342 1342 ± 0.00003432 5.624 5.086/6.435 5.699 ± 0.9091
ea15 1342 1342/1342 1342 ± 0 2.747 2.309/3.352 2.882 ± 0.5996
ea17 1342 1342/1342 1342 ± 0.00004307 6.143 5.603/7.307 6.183 ± 1.068
ea18 1342 1342/1342 1342 ± 0.0000336 4.779 4.653/5.563 5.001 ± 0.5453
ea19 1342 1342/1342 1342 ± 0.00002197 5.247 5.101/6.449 5.674 ± 0.8313
ea20 1342 1342/1342 1342 ± 0.00003845 5.883 5.631/7.08 6.127 ± 0.9359
ea21 1342 1342/1342 1342 ± 0.00001026 5.522 5.147/6.477 5.726 ± 0.8665
ea23 1342 1342/1342 1342 ± 0.00003315 5.391 5.192/5.717 5.229 ± 0.7119
ea24 1342 1342/1342 1342 ± 0.00004272 5.589 5.234/6.516 5.714 ± 0.8015
ea25 1342 1342/1342 1342 ± 0.00004398 5.647 4.978/6.442 5.551 ± 0.9176
ea26 1342 1342/1342 1342 ± 0.00002204 5.688 5.521/6.988 5.978 ± 0.9246
ea27 1342 1342/1342 1342 ± 0.00004036 5.469 5.152/6.531 5.628 ± 0.8704
ea28 1342 1342/1342 1342 ± 0.00004404 5.273 5.093/6.329 5.512 ± 0.8185
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 ± 0.00002543 5.319 5.146/5.553 5.194 ± 0.6873
5 1342 1342/1342 1342 ± 0.00003374 5.13 4.917/5.278 5.122 ± 0.2328
6 1342 1342/1342 1342 ± 0.00002543 5.239 5.066/5.521 5.131 ± 0.7026
7 1342 1342/1342 1342 ± 0.00002543 5.38 5.153/5.433 5.172 ± 0.6861
8 1342 1342/1342 1342 ± 0.00002543 5.237 5.076/5.395 5.126 ± 0.6981
9 1342 1342/1342 1342 ± 0.00002872 5.612 5.193/5.771 5.496 ± 0.3715
10 1342 1342/1342 1342 ± 0.0000249 6.017 5.728/6.287 5.853 ± 0.7483
11 1342 1342/1342 1342 ± 0.0000249 6.316 6.067/6.543 6.176 ± 0.7147
12 1342 1342/1342 1342 ± 0.0000249 6.502 6.24/6.683 6.373 ± 0.7572
13 1342 1342/1342 1342 ± 0.0000249 6.808 6.631/6.976 6.656 ± 0.7037
14 1342 1342/1342 1342 ± 0.0000249 6.729 6.449/7.023 6.6 ± 0.7179
15 1342 1342/1342 1342 ± 0.00002507 6.55 6.173/6.915 6.403 ± 0.812
16 1342 1342/1342 1342 ± 0.0000594 4.142 3.98/4.307 4.076 ± 0.4344
17 1342 1342/1342 1342 ± 0.00006086 4.243 4.105/4.422 4.196 ± 0.4389
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-11 07:19:28.566
End
2025-01-11 08:13:06.916
Duration
0:53:38.350
Note, WebLog generation is not included in the time.

CASA logs for stage 8