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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.085 5.84/6.641 6.195 ± 0.7357
ea03 1342 1342/1342 1342 ± 0.00001209 5.615 5.261/6.405 5.784 ± 0.7042
ea04 1342 1342/1342 1342 ± 0 5.627 5.264/6.157 5.735 ± 0.5805
ea05 1342 1342/1342 1342 ± 0 5.975 5.64/6.637 6.13 ± 0.6793
ea06 1342 1342/1342 1342 ± 0 5.993 5.613/6.417 6.069 ± 0.5322
ea07 1342 1342/1342 1342 ± 0 5.979 5.448/6.204 5.96 ± 0.5294
ea08 1342 1342/1342 1342 ± 0.000007702 6.035 5.656/6.543 6.159 ± 0.6463
ea09 1342 1342/1342 1342 ± 0.000007702 6.017 5.524/6.622 6.097 ± 0.7067
ea10 1342 1342/1342 1342 ± 0 6.013 5.571/6.642 6.083 ± 0.5925
ea11 1342 1342/1342 1342 ± 0.00001406 6.113 5.459/6.608 6.097 ± 0.7122
ea12 1342 1342/1342 1342 ± 0.000002601 6.03 5.66/6.671 6.195 ± 0.7864
ea13 1342 1342/1342 1342 ± 0 5.98 5.749/6.401 6.117 ± 0.5115
ea14 1342 1342/1342 1342 ± 0 6.094 5.622/6.592 6.17 ± 0.6534
ea15 1342 1342/1342 1342 ± 0 5.524 5.154/5.944 5.584 ± 0.5771
ea16 1342 1342/1342 1342 ± 0 6.197 5.833/6.752 6.311 ± 0.7035
ea17 1342 1342/1342 1342 ± 0 6.536 6.183/7.302 6.731 ± 0.6523
ea18 1342 1342/1342 1342 ± 0 5.122 4.891/5.601 5.274 ± 0.4782
ea19 1342 1342/1342 1342 ± 0 6.374 5.922/6.897 6.473 ± 0.6574
ea20 1342 1342/1342 1342 ± 0 5.873 5.607/6.467 6.019 ± 0.6382
ea21 1342 1342/1342 1342 ± 0 5.779 5.566/6.344 5.974 ± 0.5329
ea22 1342 1342/1342 1342 ± 0.000001163 5.899 5.512/6.442 6 ± 0.6281
ea23 1342 1342/1342 1342 ± 0 6.241 5.822/6.633 6.312 ± 0.6842
ea24 1342 1342/1342 1342 ± 0.00001837 6.05 5.425/6.561 5.898 ± 0.752
ea25 1342 1342/1342 1342 ± 0 6.319 5.749/6.972 6.385 ± 0.7851
ea26 1342 1342/1342 1342 ± 0.000004731 6.417 5.943/7.085 6.486 ± 0.7164
ea27 1342 1342/1342 1342 ± 0 5.88 5.542/6.664 6.053 ± 0.6583
ea28 1342 1342/1342 1342 ± 0 5.95 5.693/6.682 6.188 ± 0.6642
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 5.715 5.53/5.926 5.708 ± 0.2687
3 1342 1342/1342 1342 ± 0.00003172 5.075 4.925/5.237 5.031 ± 0.4484
4 1342 1342/1342 1342 ± 0.00002305 5.498 5.248/5.759 5.504 ± 0.3759
5 1342 1342/1342 1342 ± 0.00002305 5.684 5.425/5.877 5.649 ± 0.3222
6 1342 1342/1342 1342 ± 0.00002305 5.591 5.431/5.775 5.572 ± 0.2593
7 1342 1342/1342 1342 ± 0.00002305 5.6 5.428/5.802 5.608 ± 0.2673
8 1342 1342/1342 1342 ± 0.00002305 5.542 5.29/5.719 5.524 ± 0.3094
9 1342 1342/1342 1342 ± 0.00002305 5.819 5.691/6.022 5.802 ± 0.3027
10 1342 1342/1342 1342 ± 0.00002305 6.268 6.119/6.419 6.202 ± 0.3086
11 1342 1342/1342 1342 ± 0.00002305 6.461 6.343/6.615 6.427 ± 0.301
12 1342 1342/1342 1342 ± 0.00002305 6.624 6.382/6.736 6.568 ± 0.3626
13 1342 1342/1342 1342 ± 0.00002305 7.046 6.825/7.358 7.06 ± 0.3838
14 1342 1342/1342 1342 ± 0.00002305 7.288 7.1/7.582 7.287 ± 0.3904
15 1342 1342/1342 1342 ± 0.00002305 6.904 6.725/7.246 6.954 ± 0.3665
16 1342 1342/1342 1342 ± 0.00002305 6.227 6.037/6.634 6.299 ± 0.3895
17 1342 1342/1342 1342 ± 0.00002305 6.233 5.964/6.46 6.229 ± 0.3743
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-04-23 12:38:44.133
End
2025-04-23 13:49:24.296
Duration
1:10:40.163
Note, WebLog generation is not included in the time.

CASA logs for stage 8