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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.087 5.759/6.691 6.278 ± 0.5962
ea02 1342 1342/1342 1342 ± 0.00002955 6.154 5.525/6.708 6.09 ± 0.8892
ea03 1342 1342/1342 1342 ± 0.000003837 5.533 5.21/6.469 5.736 ± 0.8367
ea04 1342 1342/1342 1342 ± 0 5.776 5.327/6.517 5.893 ± 0.6022
ea06 1342 1342/1342 1342 ± 0 6.166 5.698/6.64 6.233 ± 0.6065
ea07 1342 1342/1342 1342 ± 0 6.099 5.531/6.489 6.136 ± 0.6142
ea08 1342 1342/1342 1342 ± 0 6.148 5.789/6.891 6.378 ± 0.7223
ea09 1342 1342/1342 1342 ± 0 6.048 5.529/6.816 6.154 ± 0.6888
ea10 1342 1342/1342 1342 ± 0 6.156 5.547/6.763 6.129 ± 0.7195
ea11 1342 1342/1342 1342 ± 0 6.269 5.486/6.743 6.211 ± 0.7571
ea12 1342 1342/1342 1342 ± 0 6.134 5.633/6.71 6.242 ± 0.7554
ea13 1342 1342/1342 1342 ± 0 6.029 5.671/6.51 6.145 ± 0.595
ea14 1342 1342/1342 1342 ± 0 6.434 5.714/6.917 6.423 ± 0.7033
ea15 1342 1342/1342 1342 ± 0 5.633 5.074/5.997 5.584 ± 0.6977
ea16 1342 1342/1342 1342 ± 0 6.229 5.795/6.833 6.356 ± 0.7316
ea17 1342 1342/1342 1342 ± 0 6.578 6.224/7.394 6.802 ± 0.682
ea18 1342 1342/1342 1342 ± 0 4.553 4.302/4.952 4.641 ± 0.4359
ea19 1342 1342/1342 1342 ± 0 6.379 5.875/7.009 6.494 ± 0.726
ea20 1342 1342/1342 1342 ± 0 6.048 5.726/6.772 6.178 ± 0.7607
ea21 1342 1342/1342 1342 ± 0 6.067 5.704/6.65 6.216 ± 0.6077
ea22 1342 1342/1342 1342 ± 0 6.385 5.592/6.824 6.269 ± 0.7261
ea23 1342 1342/1342 1342 ± 0 6.289 5.769/6.72 6.296 ± 0.8104
ea24 1342 1342/1342 1342 ± 0 5.968 5.273/6.441 5.878 ± 0.5741
ea25 1342 1342/1342 1342 ± 0 6.671 5.818/7.19 6.596 ± 0.8078
ea26 1342 1342/1342 1342 ± 0 6.473 5.93/7.25 6.532 ± 0.7153
ea27 1342 1342/1342 1342 ± 0 6.015 5.615/6.902 6.181 ± 0.7749
ea28 1342 1342/1342 1342 ± 0 6.177 5.857/6.975 6.391 ± 0.8118
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 ± 0.00002306 5.732 5.543/5.968 5.672 ± 0.3529
3 1342 1342/1342 1342 ± 0.00002662 4.88 4.542/5.363 4.93 ± 0.6262
4 1342 1342/1342 1342 ± 0.00002436 5.536 5.286/5.708 5.471 ± 0.4652
5 1342 1342/1342 1342 ± 0.00002306 5.747 5.409/5.859 5.627 ± 0.4087
6 1342 1342/1342 1342 ± 0.00002306 5.643 5.394/5.813 5.568 ± 0.3397
7 1342 1342/1342 1342 ± 0.00002306 5.709 5.474/5.814 5.615 ± 0.348
8 1342 1342/1342 1342 ± 0.00002306 5.608 5.365/5.806 5.559 ± 0.3805
9 1342 1342/1342 1342 ± 0.00002306 5.969 5.758/6.125 5.876 ± 0.4086
10 1342 1342/1342 1342 ± 0.00002306 6.45 6.256/6.55 6.322 ± 0.4254
11 1342 1342/1342 1342 ± 0.00002306 6.645 6.462/6.814 6.55 ± 0.4306
12 1342 1342/1342 1342 ± 0.00002306 6.812 6.576/6.853 6.695 ± 0.463
13 1342 1342/1342 1342 ± 0.00002306 7.268 7.029/7.502 7.193 ± 0.4975
14 1342 1342/1342 1342 ± 0.00002306 7.499 7.351/7.767 7.422 ± 0.5089
15 1342 1342/1342 1342 ± 0.00002306 7.119 6.94/7.341 7.06 ± 0.4755
16 1342 1342/1342 1342 ± 0.00002306 6.411 6.177/6.681 6.373 ± 0.4651
17 1342 1342/1342 1342 ± 0.00002324 6.455 6.084/6.635 6.324 ± 0.4866
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-05-24 01:11:36.505
End
2025-05-24 02:29:05.262
Duration
1:17:28.757
Note, WebLog generation is not included in the time.

CASA logs for stage 8