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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.685 5.332/6.189 5.79 ± 0.5585
ea02 1342 1342/1342 1342 ± 0.000005178 5.797 5.465/6.523 6.017 ± 0.6409
ea03 1342 1342/1342 1342 ± 0 5.424 4.759/6.031 5.453 ± 0.6578
ea04 1342 1342/1342 1342 ± 0 5.548 5.178/6.141 5.705 ± 0.5798
ea05 1342 1342/1342 1342 ± 0 5.868 5.355/6.359 5.922 ± 0.6034
ea06 1342 1342/1342 1342 ± 0 5.27 4.962/5.733 5.355 ± 0.458
ea07 1342 1342/1342 1342 ± 0 6.038 5.484/6.268 6.025 ± 0.581
ea08 1342 1342/1342 1342 ± 0.00001919 5.926 5.627/6.784 6.23 ± 0.6843
ea09 1342 1342/1342 1342 ± 0 5.771 5.272/6.404 5.862 ± 0.634
ea10 1342 1342/1342 1342 ± 0.000008548 6.001 5.327/6.63 5.994 ± 0.6858
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.846 5.371/6.428 6.001 ± 0.669
ea13 1342 1342/1342 1342 ± 0 6.14 5.928/6.592 6.319 ± 0.5139
ea14 1342 1342/1342 1342 ± 0 5.888 5.358/6.466 5.968 ± 0.6767
ea15 1342 1342/1342 1342 ± 0 5.808 5.371/6.403 5.973 ± 0.6739
ea16 1342 1342/1342 1342 ± 0 6.16 5.709/6.783 6.316 ± 0.7141
ea17 1342 1342/1342 1342 ± 0.00003515 6.023 5.573/6.579 6.15 ± 0.6499
ea18 1342 1342/1342 1342 ± 0.000005003 5.1 4.765/5.556 5.176 ± 0.535
ea19 1342 1342/1342 1342 ± 0 6.097 5.629/6.768 6.288 ± 0.6705
ea20 1342 1342/1342 1342 ± 0 6.299 5.705/6.815 6.264 ± 0.6146
ea21 1342 1342/1342 1342 ± 0 5.785 5.443/6.362 5.933 ± 0.5722
ea22 1342 1342/1342 1342 ± 0.000001382 5.592 5.352/6.443 5.865 ± 0.68
ea23 1342 1342/1342 1342 ± 0 6.078 5.503/6.5 6.135 ± 0.6914
ea25 1342 1342/1342 1342 ± 0.00002516 5.661 5.36/6.241 5.825 ± 0.5766
ea26 1342 1342/1342 1342 ± 0 6.082 5.659/6.764 6.242 ± 0.6711
ea27 1342 1342/1342 1342 ± 0.00003926 5.635 5.234/6.428 5.813 ± 0.6045
ea28 1342 1342/1342 1342 ± 0.00004098 5.861 5.486/6.53 6.021 ± 0.676
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 ± 0.00002348 5.42 5.316/5.698 5.454 ± 0.2813
3 1342 1342/1342 1342 ± 0.00002917 5.36 5.087/5.523 5.322 ± 0.3085
4 1342 1342/1342 1342 ± 0.00002761 5.235 5.135/5.477 5.276 ± 0.3246
5 1342 1342/1342 1342 ± 0.00002348 5.446 5.189/5.568 5.407 ± 0.3234
6 1342 1342/1342 1342 ± 0.00002348 5.344 5.165/5.524 5.314 ± 0.3222
7 1342 1342/1342 1342 ± 0.00002348 5.397 5.282/5.582 5.406 ± 0.2528
8 1342 1342/1342 1342 ± 0.00002348 5.419 5.184/5.587 5.365 ± 0.2713
9 1342 1342/1342 1342 ± 0.00002348 5.678 5.556/5.907 5.659 ± 0.3001
10 1342 1342/1342 1342 ± 0.00002348 6.149 5.991/6.296 6.11 ± 0.3052
11 1342 1342/1342 1342 ± 0.00002348 6.408 6.202/6.523 6.333 ± 0.306
12 1342 1342/1342 1342 ± 0.00002392 6.571 6.335/6.705 6.49 ± 0.3235
13 1342 1342/1342 1342 ± 0.00002348 6.955 6.869/7.161 6.932 ± 0.3467
14 1342 1342/1342 1342 ± 0.00002348 7.177 6.936/7.393 7.092 ± 0.3825
15 1342 1342/1342 1342 ± 0.0000235 6.856 6.561/7.002 6.77 ± 0.3791
16 1342 1342/1342 1342 ± 0.00004554 6.117 5.809/6.349 6.102 ± 0.3355
17 1342 1342/1342 1342 ± 0.00004106 6.151 5.921/6.354 6.118 ± 0.3278
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
datacolumn
residual_data
Start time
2025-01-04 03:14:22.044
End
2025-01-04 03:57:29.025
Duration
0:43:06.981
Note, WebLog generation is not included in the time.

CASA logs for stage 8