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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.719 5.577/6.555 5.885 ± 0.7615
ea02 1342 1342/1342 1342 ± 0 6.009 5.526/6.453 6.023 ± 0.7731
ea03 1342 1342/1342 1342 ± 0 6.032 5.394/6.685 5.976 ± 0.7308
ea04 1342 1342/1342 1342 ± 0.00001022 5.312 4.948/5.948 5.352 ± 0.6519
ea05 1342 1342/1342 1342 ± 0.00000963 5.581 5.27/6.389 5.705 ± 0.7389
ea06 1342 1342/1342 1342 ± 0 5.577 5.017/6.009 5.583 ± 0.6625
ea07 1342 1342/1342 1342 ± 0 5.731 5.047/6.117 5.63 ± 0.8098
ea08 1342 1342/1342 1342 ± 0 5.939 5.417/6.536 5.992 ± 0.7141
ea09 1342 1342/1342 1342 ± 0 5.593 5.08/6.306 5.614 ± 0.6587
ea10 1342 1342/1342 1342 ± 0 5.282 5.058/6.094 5.475 ± 0.65
ea11 1342 1342/1342 1342 ± 0.00004111 5.511 5.022/6.341 5.539 ± 0.8335
ea12 1342 1342/1342 1342 ± 0.00003246 5.407 5.256/6.236 5.562 ± 0.6933
ea14 1342 1342/1342 1342 ± 0.000001087 5.686 5.439/6.449 5.867 ± 0.6547
ea15 1342 1342/1342 1342 ± 0.00002645 5.759 5.532/6.653 5.95 ± 0.8316
ea16 1342 1342/1342 1342 ± 0 5.987 5.61/6.653 6.09 ± 0.7041
ea17 1342 1342/1342 1342 ± 0 6.053 5.617/6.979 6.124 ± 0.7326
ea18 1342 1342/1342 1342 ± 0 6.433 5.778/7.049 6.305 ± 0.7676
ea19 1342 1342/1342 1342 ± 0.00003147 5.649 5.353/6.65 5.845 ± 0.7316
ea20 1342 1342/1342 1342 ± 0 6.17 5.863/7.025 6.3 ± 0.7562
ea22 1342 1342/1342 1342 ± 0 5.543 5.19/6.175 5.572 ± 0.6109
ea23 1342 1342/1342 1342 ± 0 5.588 5.401/6.333 5.82 ± 0.7275
ea24 1342 1342/1342 1342 ± 0 6.184 5.212/6.595 5.865 ± 0.7696
ea25 1342 1342/1342 1342 ± 0 6.424 5.584/6.864 6.283 ± 0.882
ea27 1342 1342/1342 1342 ± 0 5.602 5.365/6.46 5.776 ± 0.6992
ea28 1342 1342/1342 1342 ± 0 6.259 5.772/7.081 6.305 ± 0.7642
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 ± 0.00002392 5.428 5.246/5.669 5.476 ± 0.291
3 1342 1342/1342 1342 ± 0.00002617 4.128 3.728/4.771 4.198 ± 0.5247
4 1342 1342/1342 1342 ± 0.00002939 4.694 4.514/4.857 4.675 ± 0.2825
5 1342 1342/1342 1342 ± 0.00002392 5.391 5.186/5.686 5.411 ± 0.31
6 1342 1342/1342 1342 ± 0.00002392 5.334 5.072/5.532 5.295 ± 0.2526
7 1342 1342/1342 1342 ± 0.00002392 5.402 5.2/5.587 5.396 ± 0.2598
8 1342 1342/1342 1342 ± 0.00002392 5.369 5.157/5.544 5.368 ± 0.3012
9 1342 1342/1342 1342 ± 0.00002392 5.651 5.491/5.862 5.668 ± 0.2915
10 1342 1342/1342 1342 ± 0.00002392 6.158 5.949/6.273 6.134 ± 0.2629
11 1342 1342/1342 1342 ± 0.00002392 6.394 6.072/6.5 6.358 ± 0.281
12 1342 1342/1342 1342 ± 0.00002392 6.521 6.329/6.662 6.525 ± 0.3249
13 1342 1342/1342 1342 ± 0.00002392 6.972 6.775/7.194 6.978 ± 0.3455
14 1342 1342/1342 1342 ± 0.00002392 6.922 6.571/7.282 6.948 ± 0.4329
15 1342 1342/1342 1342 ± 0.00002392 6.79 6.489/7.06 6.76 ± 0.3335
16 1342 1342/1342 1342 ± 0.00003887 5.746 5.532/6.18 5.853 ± 0.4375
17 1342 1342/1342 1342 ± 0.00004428 5.664 5.473/6.056 5.754 ± 0.3732
datacolumn
residual_data
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-31 05:43:52.172
End
2025-07-31 06:51:15.854
Duration
1:07:23.682
Note, WebLog generation is not included in the time.

CASA logs for stage 8