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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.467 5.128/5.896 5.578 ± 0.533
ea02 1342 1342/1342 1342 ± 0 5.564 5.333/6.357 5.86 ± 0.6427
ea04 1342 1342/1342 1342 ± 0 5.305 5.026/5.865 5.472 ± 0.5548
ea05 1342 1342/1342 1342 ± 0 5.55 5.144/6.024 5.633 ± 0.5773
ea06 1342 1342/1342 1342 ± 0 5 4.67/5.534 5.109 ± 0.5052
ea07 1342 1342/1342 1342 ± 0 5.851 5.335/6.079 5.851 ± 0.5698
ea08 1342 1342/1342 1342 ± 0 5.559 5.407/6.458 5.926 ± 0.6648
ea09 1342 1342/1342 1342 ± 0 5.587 5.131/6.167 5.642 ± 0.6291
ea10 1342 1342/1342 1342 ± 0 5.816 5.172/6.435 5.81 ± 0.6785
ea11 1342 1342/1342 1342 ± 0 5.628 5.059/6.199 5.676 ± 0.6679
ea12 1342 1342/1342 1342 ± 0 5.666 5.246/6.27 5.827 ± 0.6398
ea13 1342 1342/1342 1342 ± 0 5.967 5.644/6.258 6.043 ± 0.5067
ea14 1342 1342/1342 1342 ± 0 5.648 5.165/6.252 5.748 ± 0.6693
ea15 1342 1342/1342 1342 ± 0 5.463 5.019/6.129 5.625 ± 0.681
ea16 1342 1342/1342 1342 ± 0 5.996 5.567/6.654 6.156 ± 0.7226
ea17 1342 1342/1342 1342 ± 0.000003655 5.812 5.451/6.354 5.967 ± 0.6281
ea18 1342 1342/1342 1342 ± 0 4.898 4.618/5.309 4.997 ± 0.5052
ea19 1342 1342/1342 1342 ± 0 5.884 5.437/6.57 6.062 ± 0.6425
ea20 1342 1342/1342 1342 ± 0 6.033 5.657/6.673 6.159 ± 0.6626
ea21 1342 1342/1342 1342 ± 0 5.616 5.275/6.114 5.729 ± 0.5515
ea22 1342 1342/1342 1342 ± 0 5.413 5.133/6.082 5.609 ± 0.6604
ea23 1342 1342/1342 1342 ± 0 5.87 5.345/6.271 5.938 ± 0.6848
ea25 1342 1342/1342 1342 ± 0.000003818 5.398 5.118/5.934 5.549 ± 0.5603
ea26 1342 1342/1342 1342 ± 0 6.086 5.6/6.8 6.099 ± 0.6469
ea27 1342 1342/1342 1342 ± 0.00003079 5.44 5.143/6.224 5.636 ± 0.5794
ea28 1342 1342/1342 1342 ± 0.00002025 5.515 5.291/6.278 5.742 ± 0.6494
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 5.244 5.113/5.539 5.28 ± 0.2588
3 1342 1342/1342 1342 ± 0.00002348 5.136 4.963/5.378 5.17 ± 0.2939
4 1342 1342/1342 1342 ± 0.00002381 5.12 4.868/5.317 5.074 ± 0.3366
5 1342 1342/1342 1342 ± 0.00002352 5.148 4.942/5.333 5.133 ± 0.2987
6 1342 1342/1342 1342 ± 0.00002348 5.203 5.023/5.432 5.196 ± 0.2865
7 1342 1342/1342 1342 ± 0.00002348 5.266 5.112/5.402 5.251 ± 0.2586
8 1342 1342/1342 1342 ± 0.00002348 5.276 5.012/5.367 5.205 ± 0.2793
9 1342 1342/1342 1342 ± 0.00002348 5.482 5.312/5.742 5.485 ± 0.316
10 1342 1342/1342 1342 ± 0.00002348 5.941 5.718/6.112 5.899 ± 0.3033
11 1342 1342/1342 1342 ± 0.00002348 6.194 5.984/6.308 6.117 ± 0.3082
12 1342 1342/1342 1342 ± 0.00002348 6.258 6.031/6.477 6.206 ± 0.4524
13 1342 1342/1342 1342 ± 0.00002348 6.708 6.611/6.856 6.711 ± 0.3435
14 1342 1342/1342 1342 ± 0.00002348 6.95 6.706/7.133 6.903 ± 0.3715
15 1342 1342/1342 1342 ± 0.00002348 6.636 6.363/6.847 6.554 ± 0.3632
16 1342 1342/1342 1342 ± 0.00003193 5.851 5.53/6.193 5.858 ± 0.3861
17 1342 1342/1342 1342 ± 0.00002977 5.914 5.645/6.164 5.896 ± 0.3576
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-08 15:35:36.510
End
2025-01-08 16:45:51.486
Duration
1:10:14.976
Note, WebLog generation is not included in the time.

CASA logs for stage 8