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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 6.003 5.511/6.395 5.981 ± 0.632
ea02 1342 1342/1342 1342 ± 0 6.415 5.77/6.54 6.348 ± 0.621
ea03 1342 1342/1342 1342 ± 0 6.094 5.485/6.675 6.16 ± 0.6732
ea04 1342 1342/1342 1342 ± 0.00001208 5.518 4.99/5.887 5.51 ± 0.5577
ea05 1342 1342/1342 1342 ± 0.000002296 5.845 5.35/6.617 5.954 ± 0.6648
ea06 1342 1342/1342 1342 ± 0 6.085 5.148/6.196 5.796 ± 0.7046
ea07 1342 1342/1342 1342 ± 0.000001623 6.111 5.272/6.296 5.946 ± 0.7305
ea08 1342 1342/1342 1342 ± 0.000001148 6.524 5.707/6.88 6.409 ± 0.7077
ea09 1342 1342/1342 1342 ± 0 5.908 5.217/6.394 5.906 ± 0.6404
ea10 1342 1342/1342 1342 ± 0.000001623 5.509 5.219/6.119 5.614 ± 0.6168
ea11 1342 1342/1342 1342 ± 0.00001241 5.4 5.162/6.23 5.643 ± 0.6493
ea12 1342 1342/1342 1342 ± 0.00001196 5.552 5.425/6.318 5.817 ± 0.5752
ea13 1342 1342/1342 1342 ± 0 6.247 5.583/6.35 6.081 ± 0.634
ea14 1342 1342/1342 1342 ± 0.000001988 6.154 5.7/6.654 6.198 ± 0.6601
ea15 1342 1342/1342 1342 ± 0.000004572 5.328 4.854/5.58 5.326 ± 0.4903
ea16 1342 1342/1342 1342 ± 0 6.307 5.729/6.687 6.317 ± 0.6699
ea17 1342 1342/1342 1342 ± 0 6.274 5.851/7.12 6.388 ± 0.689
ea18 1342 1342/1342 1342 ± 0.000001148 6.629 6.001/7.274 6.59 ± 0.7
ea19 1342 1342/1342 1342 ± 0.00000628 5.961 5.481/6.662 6.043 ± 0.6584
ea20 1342 1342/1342 1342 ± 0 6.418 5.736/6.786 6.344 ± 0.5746
ea21 1342 1342/1342 1342 ± 0 5.549 5.181/5.974 5.654 ± 0.4998
ea22 1342 1342/1342 1342 ± 0 6.52 5.992/7.012 6.455 ± 0.6749
ea23 1342 1342/1342 1342 ± 0 6.011 5.55/6.406 6.094 ± 0.6502
ea24 1342 1342/1342 1342 ± 0 6.197 5.362/6.52 6.008 ± 0.6013
ea25 1342 1342/1342 1342 ± 0 6.631 5.775/6.978 6.579 ± 0.7879
ea27 1342 1342/1342 1342 ± 0 5.934 5.419/6.478 5.962 ± 0.59
ea28 1342 1342/1342 1342 ± 0.000001633 6.417 5.808/6.957 6.445 ± 0.6618
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 ± 0.00002308 5.54 5.309/5.746 5.546 ± 0.2899
3 1342 1342/1342 1342 ± 0.00003106 4.869 4.642/5.174 4.915 ± 0.3697
5 1342 1342/1342 1342 ± 0.00002308 5.469 5.227/5.677 5.451 ± 0.3582
6 1342 1342/1342 1342 ± 0.00002308 5.411 5.2/5.725 5.419 ± 0.3331
7 1342 1342/1342 1342 ± 0.00002308 5.539 5.237/5.703 5.489 ± 0.2843
8 1342 1342/1342 1342 ± 0.00002308 5.437 5.171/5.691 5.409 ± 0.3126
9 1342 1342/1342 1342 ± 0.00002308 5.694 5.552/5.989 5.719 ± 0.3338
10 1342 1342/1342 1342 ± 0.00002308 6.169 6.037/6.393 6.16 ± 0.3225
11 1342 1342/1342 1342 ± 0.00002308 6.403 6.11/6.609 6.359 ± 0.3253
12 1342 1342/1342 1342 ± 0.00002308 6.52 6.302/6.782 6.507 ± 0.3857
13 1342 1342/1342 1342 ± 0.00002308 7.081 6.635/7.268 6.967 ± 0.3893
14 1342 1342/1342 1342 ± 0.00002308 7.254 6.883/7.566 7.18 ± 0.4203
15 1342 1342/1342 1342 ± 0.00002308 6.967 6.61/7.276 6.86 ± 0.4216
16 1342 1342/1342 1342 ± 0.00002681 6.234 5.841/6.518 6.195 ± 0.4408
17 1342 1342/1342 1342 ± 0.00002417 6.293 5.902/6.495 6.177 ± 0.4357
output_dir
 
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-18 19:42:09.106
End
2025-07-18 20:49:38.426
Duration
1:07:29.320
Note, WebLog generation is not included in the time.

CASA logs for stage 8