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 6.014 5.594/6.483 6.07 ± 0.6648
ea02 1342 1342/1342 1342 ± 0 6.353 5.553/6.484 6.141 ± 0.6984
ea03 1342 1342/1342 1342 ± 0 6.069 5.386/6.672 6.095 ± 0.7176
ea04 1342 1342/1342 1342 ± 0.000004246 5.407 4.954/5.827 5.406 ± 0.6018
ea05 1342 1342/1342 1342 ± 0.000001097 5.859 5.304/6.508 5.912 ± 0.7232
ea06 1342 1342/1342 1342 ± 0 5.92 5.021/5.945 5.628 ± 0.5899
ea07 1342 1342/1342 1342 ± 0.000001097 5.85 5.206/6.309 5.861 ± 0.7127
ea08 1342 1342/1342 1342 ± 0 6.336 5.642/6.773 6.336 ± 0.6746
ea09 1342 1342/1342 1342 ± 0 5.774 5.201/6.529 5.859 ± 0.7019
ea10 1342 1342/1342 1342 ± 0.000001551 5.462 4.958/5.927 5.448 ± 0.6107
ea11 1342 1342/1342 1342 ± 0.0000059 5.468 5.084/6.272 5.589 ± 0.7265
ea12 1342 1342/1342 1342 ± 0 5.538 5.22/6.118 5.694 ± 0.6447
ea13 1342 1342/1342 1342 ± 0.00001374 5.82 5.452/6.238 5.805 ± 0.6647
ea14 1342 1342/1342 1342 ± 0.000001097 6.063 5.527/6.507 6.041 ± 0.694
ea15 1342 1342/1342 1342 ± 0.000003198 6.217 5.584/6.635 6.138 ± 0.7249
ea16 1342 1342/1342 1342 ± 0 6.105 5.667/6.704 6.235 ± 0.6944
ea17 1342 1342/1342 1342 ± 0 6.081 5.675/6.709 6.21 ± 0.7263
ea18 1342 1342/1342 1342 ± 0 6.285 5.834/6.88 6.365 ± 0.6691
ea19 1342 1342/1342 1342 ± 0.000001097 5.835 5.358/6.366 5.877 ± 0.6573
ea20 1342 1342/1342 1342 ± 0 6.135 5.465/6.654 6.015 ± 0.6819
ea21 1342 1342/1342 1342 ± 0 5.334 5.018/5.823 5.457 ± 0.484
ea22 1342 1342/1342 1342 ± 0 6.059 5.583/6.516 6.105 ± 0.6732
ea23 1342 1342/1342 1342 ± 0 6.092 5.464/6.399 6.033 ± 0.7672
ea24 1342 1342/1342 1342 ± 0.00001323 6.252 5.294/6.676 5.923 ± 0.8333
ea25 1342 1342/1342 1342 ± 0 6.491 5.663/6.96 6.443 ± 0.7921
ea27 1342 1342/1342 1342 ± 0 5.812 5.181/6.471 5.859 ± 0.719
ea28 1342 1342/1342 1342 ± 0 6.399 5.709/6.971 6.345 ± 0.6796
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 ± 0.00002344 5.407 5.236/5.645 5.433 ± 0.2632
3 1342 1342/1342 1342 ± 0.00003261 4.772 4.492/5.114 4.808 ± 0.541
4 1342 1342/1342 1342 ± 0.00002386 5.203 4.956/5.453 5.206 ± 0.3547
5 1342 1342/1342 1342 ± 0.00002344 5.39 5.154/5.713 5.435 ± 0.3181
6 1342 1342/1342 1342 ± 0.00002344 5.249 5.027/5.44 5.245 ± 0.3022
7 1342 1342/1342 1342 ± 0.00002344 5.471 5.313/5.617 5.432 ± 0.2539
8 1342 1342/1342 1342 ± 0.00002344 5.4 5.237/5.584 5.381 ± 0.282
9 1342 1342/1342 1342 ± 0.00002344 5.722 5.539/5.92 5.701 ± 0.2888
10 1342 1342/1342 1342 ± 0.00002344 6.225 6.043/6.335 6.152 ± 0.268
11 1342 1342/1342 1342 ± 0.00002344 6.438 6.238/6.553 6.364 ± 0.2863
12 1342 1342/1342 1342 ± 0.00002344 6.552 6.25/6.733 6.503 ± 0.3377
13 1342 1342/1342 1342 ± 0.00002344 7.006 6.705/7.258 6.944 ± 0.3564
14 1342 1342/1342 1342 ± 0.00002344 7.186 6.911/7.41 7.119 ± 0.3778
15 1342 1342/1342 1342 ± 0.00002344 6.915 6.559/7.168 6.842 ± 0.3918
16 1342 1342/1342 1342 ± 0.00002344 6.247 5.939/6.493 6.22 ± 0.3878
17 1342 1342/1342 1342 ± 0.00002344 6.262 6.008/6.411 6.168 ± 0.3697
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-25 15:29:54.144
End
2025-07-25 16:45:45.587
Duration
1:15:51.443
Note, WebLog generation is not included in the time.

CASA logs for stage 8