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

Statwt Summary Plot

VLASS2.2.sb40512021.eb41001980.59551.21626133102_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 6.297 5.858/6.844 6.409 ± 0.675
ea03 1342 1342/1342 1342 ± 0.000002714 5.63 5.026/6.406 5.724 ± 0.7614
ea04 1342 1342/1342 1342 ± 0 5.954 5.535/6.56 6.108 ± 0.6622
ea05 1342 1342/1342 1342 ± 0 6.037 5.745/6.887 6.296 ± 0.7433
ea06 1342 1342/1342 1342 ± 0 6.265 5.781/6.707 6.312 ± 0.5968
ea07 1342 1342/1342 1342 ± 0 6.264 5.7/6.538 6.279 ± 0.6246
ea08 1342 1342/1342 1342 ± 0.000002973 6.155 5.661/6.69 6.257 ± 0.664
ea09 1342 1342/1342 1342 ± 0 5.985 5.524/6.709 6.165 ± 0.7187
ea10 1342 1342/1342 1342 ± 0 6.214 5.636/7.04 6.311 ± 0.7199
ea11 1342 1342/1342 1342 ± 0 6.613 5.66/7.044 6.482 ± 0.7673
ea12 1342 1342/1342 1342 ± 0 6.448 5.911/6.971 6.55 ± 0.6785
ea13 1342 1342/1342 1342 ± 0 5.858 5.77/6.289 6.034 ± 0.4377
ea14 1342 1342/1342 1342 ± 0 6.25 5.863/7.026 6.445 ± 0.7488
ea15 1342 1342/1342 1342 ± 0 5.255 4.83/5.709 5.313 ± 0.5396
ea16 1342 1342/1342 1342 ± 0 6.326 5.85/6.879 6.453 ± 0.7774
ea17 1342 1342/1342 1342 ± 0 6.688 6.389/7.656 6.975 ± 0.7532
ea18 1342 1342/1342 1342 ± 0 5.26 4.984/5.858 5.427 ± 0.5461
ea19 1342 1342/1342 1342 ± 0 6.311 5.994/7.197 6.576 ± 0.7846
ea20 1342 1342/1342 1342 ± 0 5.968 5.786/6.898 6.248 ± 0.657
ea21 1342 1342/1342 1342 ± 0 5.524 5.361/6.271 5.773 ± 0.5812
ea22 1342 1342/1342 1342 ± 0 6.184 5.641/6.808 6.298 ± 0.7207
ea23 1342 1342/1342 1342 ± 0 6.353 5.964/6.936 6.491 ± 0.7238
ea24 1342 1342/1342 1342 ± 0 6.112 5.276/6.49 5.898 ± 0.6084
ea25 1342 1342/1342 1342 ± 0 6.438 5.789/6.874 6.496 ± 0.8197
ea26 1342 1342/1342 1342 ± 0 6.448 5.927/7.226 6.553 ± 0.7249
ea27 1342 1342/1342 1342 ± 0 6.068 5.599/7.068 6.287 ± 0.7763
ea28 1342 1342/1342 1342 ± 0 6.183 5.835/6.963 6.419 ± 0.7221
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 ± 0.00002307 5.764 5.489/5.929 5.686 ± 0.3378
3 1342 1342/1342 1342 ± 0.00002396 5.42 5.284/5.582 5.424 ± 0.3651
4 1342 1342/1342 1342 ± 0.00002394 5.52 5.243/5.737 5.497 ± 0.421
5 1342 1342/1342 1342 ± 0.00002307 5.802 5.508/5.976 5.708 ± 0.3877
6 1342 1342/1342 1342 ± 0.00002307 5.686 5.473/5.799 5.598 ± 0.2975
7 1342 1342/1342 1342 ± 0.00002307 5.721 5.608/5.902 5.686 ± 0.3108
8 1342 1342/1342 1342 ± 0.00002307 5.623 5.427/5.928 5.63 ± 0.357
9 1342 1342/1342 1342 ± 0.00002307 6.043 5.653/6.243 5.948 ± 0.371
10 1342 1342/1342 1342 ± 0.00002307 6.52 6.117/6.648 6.417 ± 0.3739
11 1342 1342/1342 1342 ± 0.00002307 6.748 6.404/6.95 6.665 ± 0.3811
12 1342 1342/1342 1342 ± 0.00002307 6.911 6.531/7.06 6.809 ± 0.4414
13 1342 1342/1342 1342 ± 0.00002307 7.294 7.167/7.704 7.324 ± 0.4856
14 1342 1342/1342 1342 ± 0.00002307 7.604 7.353/7.835 7.509 ± 0.4838
15 1342 1342/1342 1342 ± 0.00002307 7.255 6.908/7.484 7.133 ± 0.4498
16 1342 1342/1342 1342 ± 0.00002307 6.481 6.082/6.707 6.408 ± 0.4515
17 1342 1342/1342 1342 ± 0.00002325 6.387 6.074/6.648 6.337 ± 0.4355
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb40512021.eb41001980.59551.21626133102_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-06-10 20:33:31.478
End
2025-06-10 21:28:48.515
Duration
0:55:17.037
Note, WebLog generation is not included in the time.

CASA logs for stage 8