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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.584 5.167/6.258 5.534 ± 1.06
ea02 1342 1342/1342 1342 ± 0.0000368 5.535 5.278/6.432 5.565 ± 0.9982
ea03 1342 1342/1342 1342 ± 0.000007689 5.474 5.305/6.748 5.828 ± 0.8348
ea04 1342 1342/1342 1342 ± 0.00004055 5.194 5.047/6.063 5.309 ± 0.7782
ea05 1342 1342/1342 1342 ± 0.00004998 5.41 4.97/6.464 5.458 ± 1.049
ea06 1342 1342/1342 1342 ± 0.00002775 5.197 4.892/6.066 5.353 ± 0.8269
ea07 1342 1342/1342 1342 ± 0.00004422 5.231 5.031/6.304 5.419 ± 1.016
ea08 1342 1342/1342 1342 ± 0.00001216 5.687 5.51/6.792 5.852 ± 1.038
ea09 1342 1342/1342 1342 ± 0.00004611 5.149 4.788/6.098 5.209 ± 0.9135
ea10 1342 1342/1342 1342 ± 0.00005168 5.082 4.74/5.979 5.095 ± 0.8848
ea11 1342 1342/1342 1342 ± 0.00005052 5.249 4.686/6.097 5.134 ± 0.984
ea13 1342 1342/1342 1342 ± 0.00003048 5.334 5.162/6.043 5.312 ± 0.7714
ea14 1342 1342/1342 1342 ± 0.00004983 5.498 5.207/6.53 5.57 ± 1.019
ea15 1342 1342/1342 1342 ± 0.00005006 5.539 5.346/6.617 5.606 ± 1.052
ea16 1342 1342/1342 1342 ± 0.00002611 5.854 5.395/6.802 5.931 ± 0.9792
ea17 1342 1342/1342 1342 ± 0.00004871 5.735 5.309/6.646 5.732 ± 1.13
ea18 1342 1342/1342 1342 ± 0.00001038 5.801 5.535/6.824 5.931 ± 0.986
ea19 1342 1342/1342 1342 ± 0.00004363 5.534 5.344/6.423 5.603 ± 0.9369
ea20 1342 1342/1342 1342 ± 0.00004354 5.329 5.192/6.076 5.37 ± 0.9142
ea21 1342 1342/1342 1342 ± 0.00001038 5.056 4.904/5.855 5.266 ± 0.6472
ea22 1342 1342/1342 1342 ± 0.00002583 5.714 5.26/6.541 5.666 ± 1.004
ea23 1342 1342/1342 1342 ± 0.00005015 5.699 5.196/6.387 5.581 ± 1.028
ea24 1342 1342/1342 1342 ± 0.00002411 4.957 4.702/6.024 5.24 ± 0.8025
ea25 1342 1342/1342 1342 ± 0.00001428 5.766 5.435/6.921 6.118 ± 0.9868
ea27 1342 1342/1342 1342 ± 0.00002206 5.469 5.112/6.477 5.541 ± 0.9119
ea28 1342 1342/1342 1342 ± 0.00001449 5.584 5.476/6.551 5.683 ± 0.9197
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 ± 0.00002352 5.33 5.109/5.435 5.253 ± 0.263
5 1342 1342/1342 1342 ± 0.00002807 5.125 4.928/5.42 5.141 ± 0.3439
6 1342 1342/1342 1342 ± 0.00002352 5.308 5.082/5.514 5.288 ± 0.2764
7 1342 1342/1342 1342 ± 0.00002352 5.326 5.155/5.483 5.299 ± 0.253
8 1342 1342/1342 1342 ± 0.00002352 5.343 5.096/5.476 5.296 ± 0.2754
9 1342 1342/1342 1342 ± 0.00002352 5.599 5.293/5.859 5.572 ± 0.319
10 1342 1342/1342 1342 ± 0.00002397 6.077 5.99/6.284 6.097 ± 0.2749
11 1342 1342/1342 1342 ± 0.00002352 6.427 6.098/6.55 6.372 ± 0.2647
12 1342 1342/1342 1342 ± 0.00002352 6.593 6.341/6.79 6.532 ± 0.3198
13 1342 1342/1342 1342 ± 0.00002371 6.779 6.447/6.996 6.754 ± 0.3893
14 1342 1342/1342 1342 ± 0.00005752 5.351 5.047/5.768 5.56 ± 0.7313
15 1342 1342/1342 1342 ± 0.00002352 6.796 6.265/7.108 6.732 ± 0.4748
16 1342 1342/1342 1342 ± 0.0000592 3.723 3.495/4.022 3.804 ± 0.4024
17 1342 1342/1342 1342 ± 0.00005975 3.676 3.458/3.957 3.752 ± 0.4037
overwrite_modelcol
False
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-07-19 02:59:30.476
End
2025-07-19 03:38:29.315
Duration
0:38:58.838
Note, WebLog generation is not included in the time.

CASA logs for stage 8