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

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_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 6.007 5.537/6.471 6.081 ± 0.642
ea02 1342 1342/1342 1342 ± 0.000001181 6.302 5.537/6.459 6.138 ± 0.6768
ea03 1342 1342/1342 1342 ± 0 6.127 5.427/6.736 6.114 ± 0.7575
ea04 1342 1342/1342 1342 ± 0.0000055 5.313 4.975/5.872 5.447 ± 0.5972
ea05 1342 1342/1342 1342 ± 0.00000166 5.734 5.35/6.543 5.949 ± 0.727
ea06 1342 1342/1342 1342 ± 0 6.051 5.08/6.177 5.742 ± 0.6607
ea07 1342 1342/1342 1342 ± 0 5.858 5.241/6.309 5.884 ± 0.7242
ea08 1342 1342/1342 1342 ± 0.000001175 6.375 5.717/6.814 6.379 ± 0.6773
ea09 1342 1342/1342 1342 ± 0 5.771 5.176/6.538 5.842 ± 0.696
ea10 1342 1342/1342 1342 ± 0.000001175 5.485 4.958/5.958 5.469 ± 0.6448
ea11 1342 1342/1342 1342 ± 0.000002347 5.412 4.968/6.24 5.549 ± 0.7219
ea12 1342 1342/1342 1342 ± 0.000001175 5.554 5.229/6.147 5.722 ± 0.6466
ea13 1342 1342/1342 1342 ± 0.000007869 5.963 5.474/6.317 5.883 ± 0.6649
ea14 1342 1342/1342 1342 ± 0.000002626 6.055 5.555/6.531 6.06 ± 0.7105
ea15 1342 1342/1342 1342 ± 0.000006379 6.049 5.547/6.66 6.091 ± 0.8285
ea16 1342 1342/1342 1342 ± 0 6.15 5.684/6.785 6.285 ± 0.7342
ea17 1342 1342/1342 1342 ± 0 6.192 5.735/6.855 6.298 ± 0.7739
ea18 1342 1342/1342 1342 ± 0 6.404 5.878/7.076 6.43 ± 0.7033
ea19 1342 1342/1342 1342 ± 0.000001175 5.903 5.416/6.459 5.984 ± 0.6823
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.419 5.057/5.869 5.501 ± 0.5084
ea22 1342 1342/1342 1342 ± 0 6.332 5.608/6.707 6.15 ± 0.6594
ea23 1342 1342/1342 1342 ± 0 5.988 5.404/6.314 5.953 ± 0.7514
ea24 1342 1342/1342 1342 ± 0 6.207 5.264/6.655 5.957 ± 0.7306
ea25 1342 1342/1342 1342 ± 0 6.561 5.72/7.048 6.521 ± 0.8283
ea27 1342 1342/1342 1342 ± 0.000001175 5.829 5.242/6.498 5.893 ± 0.7134
ea28 1342 1342/1342 1342 ± 0 6.24 5.673/6.888 6.241 ± 0.7047
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 ± 0.0000235 5.386 5.229/5.617 5.413 ± 0.2608
3 1342 1342/1342 1342 ± 0.00002822 4.791 4.429/5.075 4.821 ± 0.4669
4 1342 1342/1342 1342 ± 0.0000237 5.217 5.038/5.454 5.248 ± 0.3497
5 1342 1342/1342 1342 ± 0.0000235 5.424 5.169/5.728 5.453 ± 0.3266
6 1342 1342/1342 1342 ± 0.0000235 5.324 5.055/5.475 5.294 ± 0.3005
7 1342 1342/1342 1342 ± 0.0000235 5.459 5.372/5.677 5.46 ± 0.2566
8 1342 1342/1342 1342 ± 0.0000235 5.41 5.259/5.601 5.4 ± 0.2742
9 1342 1342/1342 1342 ± 0.0000235 5.725 5.601/5.919 5.721 ± 0.2838
10 1342 1342/1342 1342 ± 0.0000235 6.247 6.064/6.309 6.176 ± 0.2604
11 1342 1342/1342 1342 ± 0.0000235 6.449 6.239/6.579 6.397 ± 0.2847
12 1342 1342/1342 1342 ± 0.0000235 6.579 6.295/6.765 6.536 ± 0.3356
13 1342 1342/1342 1342 ± 0.0000235 7.022 6.688/7.287 6.992 ± 0.3619
14 1342 1342/1342 1342 ± 0.0000235 7.24 6.946/7.424 7.187 ± 0.3892
15 1342 1342/1342 1342 ± 0.0000235 6.948 6.687/7.188 6.893 ± 0.389
16 1342 1342/1342 1342 ± 0.0000235 6.278 6.044/6.558 6.259 ± 0.3946
17 1342 1342/1342 1342 ± 0.0000235 6.258 6.045/6.407 6.206 ± 0.3892
datacolumn
residual_data
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-25 20:29:19.041
End
2025-07-25 21:32:41.516
Duration
1:03:22.475
Note, WebLog generation is not included in the time.

CASA logs for stage 8