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

Statwt Summary Plot

VLASS2.1.sb38597432.eb38627615.59094.07999482639_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 5.598 5.225/6.067 5.675 ± 0.5421
ea02 1342 1342/1342 1342 ± 0 5.851 5.222/6.353 5.869 ± 0.6461
ea04 1342 1342/1342 1342 ± 0 5.423 5.101/6.043 5.611 ± 0.563
ea05 1342 1342/1342 1342 ± 0 5.629 5.21/6.159 5.723 ± 0.6043
ea06 1342 1342/1342 1342 ± 0 4.928 4.707/5.357 5.029 ± 0.382
ea07 1342 1342/1342 1342 ± 0 5.819 5.339/6.153 5.878 ± 0.5603
ea08 1342 1342/1342 1342 ± 0 5.966 5.428/6.541 6.03 ± 0.6382
ea09 1342 1342/1342 1342 ± 0 5.592 5.083/6.154 5.67 ± 0.6181
ea11 1342 1342/1342 1342 ± 0 5.753 5.098/6.289 5.759 ± 0.6408
ea12 1342 1342/1342 1342 ± 0 5.704 5.278/6.354 5.911 ± 0.6448
ea13 1342 1342/1342 1342 ± 0 5.96 5.603/6.292 6.047 ± 0.4941
ea14 1342 1342/1342 1342 ± 0 5.67 5.116/6.217 5.698 ± 0.6368
ea15 1342 1342/1342 1342 ± 0 5.473 4.991/6.063 5.616 ± 0.6765
ea16 1342 1342/1342 1342 ± 0 6.009 5.498/6.443 6.067 ± 0.7209
ea17 1342 1342/1342 1342 ± 0.00000308 5.938 5.401/6.632 6.05 ± 0.6494
ea18 1342 1342/1342 1342 ± 0 4.998 4.653/5.464 5.106 ± 0.507
ea19 1342 1342/1342 1342 ± 0 5.907 5.433/6.519 6.052 ± 0.6355
ea20 1342 1342/1342 1342 ± 0 6.053 5.637/6.686 6.173 ± 0.638
ea21 1342 1342/1342 1342 ± 0 5.566 5.276/6.208 5.753 ± 0.5588
ea22 1342 1342/1342 1342 ± 0 5.524 5.133/6.189 5.661 ± 0.6229
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.448 5.105/5.921 5.568 ± 0.5545
ea26 1342 1342/1342 1342 ± 0 5.977 5.492/6.576 6.046 ± 0.6747
ea27 1342 1342/1342 1342 ± 0.00003272 5.571 5.204/6.311 5.703 ± 0.6106
ea28 1342 1342/1342 1342 ± 0 5.637 5.305/6.32 5.804 ± 0.6327
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 ± 0.00002441 5.299 5.141/5.498 5.318 ± 0.2579
3 1342 1342/1342 1342 ± 0.00002454 5.036 4.909/5.296 5.087 ± 0.2578
4 1342 1342/1342 1342 ± 0.00002491 5.199 4.941/5.399 5.166 ± 0.2765
5 1342 1342/1342 1342 ± 0.00002441 5.248 5.014/5.377 5.219 ± 0.3123
6 1342 1342/1342 1342 ± 0.00002441 5.232 5.008/5.414 5.191 ± 0.2914
7 1342 1342/1342 1342 ± 0.00002441 5.234 5.099/5.434 5.242 ± 0.2522
8 1342 1342/1342 1342 ± 0.00002441 5.257 5.054/5.406 5.213 ± 0.274
9 1342 1342/1342 1342 ± 0.00002441 5.495 5.294/5.772 5.493 ± 0.3074
10 1342 1342/1342 1342 ± 0.00002441 5.945 5.85/6.14 5.937 ± 0.2982
11 1342 1342/1342 1342 ± 0.00002441 6.182 6.062/6.309 6.148 ± 0.3103
12 1342 1342/1342 1342 ± 0.00002441 6.332 6.155/6.505 6.315 ± 0.3411
13 1342 1342/1342 1342 ± 0.00002441 6.755 6.599/6.99 6.741 ± 0.3513
14 1342 1342/1342 1342 ± 0.00002441 6.947 6.755/7.156 6.893 ± 0.3949
15 1342 1342/1342 1342 ± 0.00002441 6.461 6.334/6.723 6.446 ± 0.3691
16 1342 1342/1342 1342 ± 0.0000315 5.963 5.791/6.244 5.941 ± 0.3197
17 1342 1342/1342 1342 ± 0.0000298 5.974 5.829/6.198 5.945 ± 0.317
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38597432.eb38627615.59094.07999482639_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-13 10:15:39.503
End
2024-12-13 11:03:30.687
Duration
0:47:51.184
Note, WebLog generation is not included in the time.

CASA logs for stage 8