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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.538 5.389/6.256 5.697 ± 0.746
ea02 1342 1342/1342 1342 ± 0.00001092 5.456 5.308/6.337 5.636 ± 0.7203
ea03 1342 1342/1342 1342 ± 0 5.202 5.03/5.985 5.498 ± 0.5754
ea04 1342 1342/1342 1342 ± 0.00002994 5.119 4.793/5.906 5.222 ± 0.6406
ea05 1342 1342/1342 1342 ± 0.00003951 5.255 5.068/6.232 5.461 ± 0.7804
ea06 1342 1342/1342 1342 ± 0 5.257 4.739/5.726 5.217 ± 0.5399
ea07 1342 1342/1342 1342 ± 0.00001858 5.104 4.856/6.122 5.431 ± 0.7145
ea08 1342 1342/1342 1342 ± 0.00001575 5.536 5.294/6.657 5.714 ± 0.8593
ea09 1342 1342/1342 1342 ± 0.00001408 5.145 4.907/5.607 5.317 ± 0.5654
ea10 1342 1342/1342 1342 ± 0.00003186 4.491 4.277/4.874 4.487 ± 0.4477
ea11 1342 1342/1342 1342 ± 0.00004431 5.561 4.969/6.367 5.568 ± 0.8641
ea12 1342 1342/1342 1342 ± 0.00001902 5.105 4.765/5.786 5.163 ± 0.6318
ea14 1342 1342/1342 1342 ± 0.00003432 5.422 5.271/6.368 5.596 ± 0.7329
ea15 1342 1342/1342 1342 ± 0.00004309 5.441 5.333/6.208 5.651 ± 0.7837
ea16 1342 1342/1342 1342 ± 0 5.665 5.142/6.236 5.679 ± 0.6588
ea17 1342 1342/1342 1342 ± 0.00002519 5.668 5.161/6.528 5.815 ± 0.8217
ea18 1342 1342/1342 1342 ± 0.0000307 5.626 5.272/6.522 5.686 ± 0.8674
ea19 1342 1342/1342 1342 ± 0.00000262 5.321 5.097/6.214 5.475 ± 0.679
ea20 1342 1342/1342 1342 ± 0 5.829 5.668/6.776 6.17 ± 0.6838
ea21 1342 1342/1342 1342 ± 0 4.778 4.61/5.44 4.998 ± 0.5063
ea22 1342 1342/1342 1342 ± 0.000001853 5.459 5.032/6.254 5.519 ± 0.7468
ea23 1342 1342/1342 1342 ± 0.00002884 5.579 5.053/6.354 5.635 ± 0.7745
ea24 1342 1342/1342 1342 ± 0 5.297 4.993/6.167 5.551 ± 0.6111
ea25 1342 1342/1342 1342 ± 0 5.662 5.181/6.302 5.827 ± 0.7124
ea27 1342 1342/1342 1342 ± 0 5.123 4.922/6.06 5.306 ± 0.7063
ea28 1342 1342/1342 1342 ± 0 5.803 5.631/6.697 6.09 ± 0.6499
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 ± 0.00002348 5.17 4.943/5.328 5.145 ± 0.2903
5 1342 1342/1342 1342 ± 0.00002361 5.048 4.881/5.285 5.084 ± 0.3178
6 1342 1342/1342 1342 ± 0.00002348 5.038 4.931/5.422 5.114 ± 0.3174
7 1342 1342/1342 1342 ± 0.00002348 5.183 5.032/5.406 5.204 ± 0.3094
8 1342 1342/1342 1342 ± 0.00002348 5.147 4.984/5.397 5.19 ± 0.3468
9 1342 1342/1342 1342 ± 0.00002348 5.548 5.232/5.815 5.498 ± 0.3541
10 1342 1342/1342 1342 ± 0.00002348 6.001 5.723/6.15 5.927 ± 0.357
11 1342 1342/1342 1342 ± 0.00002348 6.242 6.123/6.528 6.212 ± 0.3752
12 1342 1342/1342 1342 ± 0.00002348 6.454 6.193/6.558 6.361 ± 0.4442
13 1342 1342/1342 1342 ± 0.00002361 6.708 6.465/6.976 6.664 ± 0.514
14 1342 1342/1342 1342 ± 0.00002638 5.49 5.207/5.941 5.674 ± 0.6835
15 1342 1342/1342 1342 ± 0.00002348 6.222 5.906/6.56 6.153 ± 0.5378
16 1342 1342/1342 1342 ± 0.00005467 4.445 4.252/4.766 4.599 ± 0.5405
17 1342 1342/1342 1342 ± 0.00005449 4.329 4.146/4.658 4.437 ± 0.4333
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-23 13:58:23.729
End
2025-07-23 14:42:39.557
Duration
0:44:15.829
Note, WebLog generation is not included in the time.

CASA logs for stage 8