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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.146 5.762/6.681 6.192 ± 0.7212
ea02 1342 1342/1342 1342 ± 0 6.367 5.672/6.497 6.298 ± 0.6144
ea03 1342 1342/1342 1342 ± 0 6.267 5.559/6.906 6.317 ± 0.7617
ea04 1342 1342/1342 1342 ± 0 5.635 5.122/6.08 5.703 ± 0.5571
ea05 1342 1342/1342 1342 ± 0 6 5.451/6.61 6.026 ± 0.7596
ea06 1342 1342/1342 1342 ± 0 6.156 5.226/6.337 5.908 ± 0.6642
ea07 1342 1342/1342 1342 ± 0 5.927 5.381/6.454 6.002 ± 0.7195
ea08 1342 1342/1342 1342 ± 0 6.573 5.835/6.957 6.543 ± 0.6908
ea09 1342 1342/1342 1342 ± 0 5.765 5.237/6.526 5.897 ± 0.6778
ea10 1342 1342/1342 1342 ± 0 5.778 5.305/6.283 5.743 ± 0.8001
ea11 1342 1342/1342 1342 ± 0 5.684 5.369/6.571 5.872 ± 0.7637
ea12 1342 1342/1342 1342 ± 0 5.691 5.349/6.238 5.824 ± 0.6959
ea13 1342 1342/1342 1342 ± 0 6.194 5.745/6.459 6.186 ± 0.5301
ea14 1342 1342/1342 1342 ± 0 6.168 5.633/6.583 6.156 ± 0.7228
ea15 1342 1342/1342 1342 ± 0 6.299 5.68/6.725 6.295 ± 0.7074
ea16 1342 1342/1342 1342 ± 0 6.288 5.879/6.822 6.424 ± 0.6707
ea17 1342 1342/1342 1342 ± 0 6.244 5.867/7.031 6.386 ± 0.8467
ea18 1342 1342/1342 1342 ± 0 6.435 5.981/7.066 6.555 ± 0.7016
ea19 1342 1342/1342 1342 ± 0 6.072 5.6/6.627 6.176 ± 0.6907
ea20 1342 1342/1342 1342 ± 0 6.118 5.79/6.171 5.973 ± 0.3833
ea21 1342 1342/1342 1342 ± 0 5.509 5.139/5.902 5.573 ± 0.5015
ea22 1342 1342/1342 1342 ± 0 6.019 5.565/6.439 6.06 ± 0.6407
ea23 1342 1342/1342 1342 ± 0 6.162 5.516/6.362 6.099 ± 0.6396
ea24 1342 1342/1342 1342 ± 0 6.394 5.47/6.798 6.163 ± 0.6687
ea25 1342 1342/1342 1342 ± 0 6.649 5.853/7.236 6.632 ± 0.8506
ea27 1342 1342/1342 1342 ± 0 6.038 5.436/6.47 5.967 ± 0.5804
ea28 1342 1342/1342 1342 ± 0 6.569 5.837/7.166 6.542 ± 0.704
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 ± 0.00002305 5.594 5.432/5.797 5.617 ± 0.2706
3 1342 1342/1342 1342 ± 0.00003298 4.529 4.392/5.108 4.76 ± 0.6088
4 1342 1342/1342 1342 ± 0.00002305 5.447 5.277/5.754 5.501 ± 0.3136
5 1342 1342/1342 1342 ± 0.00002305 5.559 5.315/5.842 5.606 ± 0.3088
6 1342 1342/1342 1342 ± 0.00002305 5.548 5.194/5.69 5.472 ± 0.2844
7 1342 1342/1342 1342 ± 0.00002305 5.594 5.439/5.813 5.601 ± 0.2589
8 1342 1342/1342 1342 ± 0.00002305 5.566 5.266/5.683 5.523 ± 0.2984
9 1342 1342/1342 1342 ± 0.00002305 5.825 5.687/6.032 5.834 ± 0.3089
10 1342 1342/1342 1342 ± 0.00002348 6.293 6.145/6.4 6.271 ± 0.2696
11 1342 1342/1342 1342 ± 0.00002348 6.505 6.27/6.7 6.489 ± 0.2885
12 1342 1342/1342 1342 ± 0.00002348 6.621 6.408/6.828 6.636 ± 0.3389
13 1342 1342/1342 1342 ± 0.00002348 7.106 6.848/7.398 7.115 ± 0.3517
14 1342 1342/1342 1342 ± 0.00002348 7.361 7.119/7.624 7.346 ± 0.3632
15 1342 1342/1342 1342 ± 0.00002348 7.038 6.743/7.335 7.04 ± 0.3702
16 1342 1342/1342 1342 ± 0.00002348 6.408 6.092/6.752 6.407 ± 0.4092
17 1342 1342/1342 1342 ± 0.00002348 6.342 6.14/6.642 6.354 ± 0.3875
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
overwrite_modelcol
False
Start time
2025-07-30 07:46:25.220
End
2025-07-30 08:58:13.969
Duration
1:11:48.748
Note, WebLog generation is not included in the time.

CASA logs for stage 8