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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.205 5.594/6.616 6.133 ± 0.6854
ea02 1342 1342/1342 1342 ± 0.00002272 6.181 5.521/6.43 6.154 ± 0.6226
ea03 1342 1342/1342 1342 ± 0 6.14 5.349/6.759 6.139 ± 0.7945
ea04 1342 1342/1342 1342 ± 0 5.587 5.095/6.159 5.676 ± 0.6086
ea05 1342 1342/1342 1342 ± 0 5.888 5.353/6.677 5.91 ± 0.7237
ea06 1342 1342/1342 1342 ± 0 6.057 5.057/6.281 5.803 ± 0.6908
ea07 1342 1342/1342 1342 ± 0 6.09 5.283/6.475 5.927 ± 0.747
ea08 1342 1342/1342 1342 ± 0 6.637 5.611/6.812 6.335 ± 0.7199
ea09 1342 1342/1342 1342 ± 0 5.652 5.058/6.449 5.749 ± 0.6645
ea10 1342 1342/1342 1342 ± 0 5.816 5.201/6.226 5.725 ± 0.6422
ea11 1342 1342/1342 1342 ± 0 5.583 5.301/6.464 5.791 ± 0.7349
ea12 1342 1342/1342 1342 ± 0 5.773 5.171/6.294 5.731 ± 0.6771
ea13 1342 1342/1342 1342 ± 0 5.934 5.509/6.274 5.973 ± 0.5155
ea14 1342 1342/1342 1342 ± 0 6.103 5.5/6.472 6.019 ± 0.6914
ea15 1342 1342/1342 1342 ± 0 6.152 5.528/6.578 6.12 ± 0.6732
ea16 1342 1342/1342 1342 ± 0 6.17 5.69/6.694 6.254 ± 0.6866
ea17 1342 1342/1342 1342 ± 0 6.218 5.76/7.073 6.28 ± 0.7999
ea18 1342 1342/1342 1342 ± 0 6.437 5.784/7.107 6.392 ± 0.7344
ea19 1342 1342/1342 1342 ± 0 6.118 5.386/6.64 6.019 ± 0.7272
ea20 1342 1342/1342 1342 ± 0 5.862 5.674/6.003 5.754 ± 0.3804
ea21 1342 1342/1342 1342 ± 0 5.469 4.99/5.825 5.471 ± 0.5275
ea22 1342 1342/1342 1342 ± 0 6.106 5.427/6.456 5.904 ± 0.6479
ea23 1342 1342/1342 1342 ± 0 6.132 5.366/6.277 6.008 ± 0.6702
ea24 1342 1342/1342 1342 ± 0 6.203 5.208/6.649 5.933 ± 0.712
ea25 1342 1342/1342 1342 ± 0 6.482 5.675/7.078 6.441 ± 0.8481
ea27 1342 1342/1342 1342 ± 0 5.871 5.198/6.324 5.806 ± 0.6226
ea28 1342 1342/1342 1342 ± 0 6.372 5.669/6.965 6.345 ± 0.6811
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 ± 0.00002305 5.356 5.168/5.529 5.385 ± 0.26
3 1342 1342/1342 1342 ± 0.0000322 4.618 4.239/4.843 4.65 ± 0.4715
4 1342 1342/1342 1342 ± 0.00002334 5.243 5.098/5.44 5.283 ± 0.287
5 1342 1342/1342 1342 ± 0.00002305 5.313 5.039/5.596 5.344 ± 0.2954
6 1342 1342/1342 1342 ± 0.00002305 5.364 5.072/5.562 5.325 ± 0.26
7 1342 1342/1342 1342 ± 0.00002305 5.429 5.328/5.654 5.463 ± 0.2376
8 1342 1342/1342 1342 ± 0.00002305 5.405 5.14/5.59 5.387 ± 0.2844
9 1342 1342/1342 1342 ± 0.00002305 5.702 5.564/5.909 5.715 ± 0.2891
10 1342 1342/1342 1342 ± 0.00002348 6.175 6.062/6.249 6.141 ± 0.2449
11 1342 1342/1342 1342 ± 0.00002348 6.377 6.198/6.549 6.362 ± 0.2561
12 1342 1342/1342 1342 ± 0.00002348 6.476 6.282/6.689 6.512 ± 0.3062
13 1342 1342/1342 1342 ± 0.00002348 6.953 6.666/7.226 6.974 ± 0.3242
14 1342 1342/1342 1342 ± 0.00002348 7.222 6.902/7.401 7.178 ± 0.3397
15 1342 1342/1342 1342 ± 0.00002348 6.885 6.634/7.172 6.893 ± 0.3409
16 1342 1342/1342 1342 ± 0.00002348 6.24 5.953/6.623 6.279 ± 0.3916
17 1342 1342/1342 1342 ± 0.00002348 6.232 5.983/6.497 6.234 ± 0.3635
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-30 11:08:11.403
End
2025-07-30 12:26:30.440
Duration
1:18:19.037
Note, WebLog generation is not included in the time.

CASA logs for stage 8