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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.599 5.237/6.264 5.654 ± 0.7956
ea02 1342 1342/1342 1342 ± 0.00004276 6.034 5.508/6.824 6.011 ± 0.9342
ea04 1342 1342/1342 1342 ± 0.00003686 5.321 4.856/5.967 5.308 ± 0.76
ea05 1342 1342/1342 1342 ± 0.00002089 5.305 5.012/6.416 5.614 ± 0.8726
ea06 1342 1342/1342 1342 ± 0.00004229 5.119 4.727/5.728 5.146 ± 0.6998
ea07 1342 1342/1342 1342 ± 0.00004181 5.915 5.401/6.295 5.791 ± 0.8258
ea08 1342 1342/1342 1342 ± 0.00004282 6.047 5.691/6.946 6.126 ± 0.9783
ea09 1342 1342/1342 1342 ± 0.00002445 5.363 4.94/5.769 5.282 ± 0.6458
ea10 1342 1342/1342 1342 ± 0.00004275 5.232 4.796/5.963 5.281 ± 0.721
ea11 1342 1342/1342 1342 ± 0.00004111 6.045 5.45/6.733 6.002 ± 0.9495
ea12 1342 1342/1342 1342 ± 0.00004166 5.835 5.236/6.358 5.67 ± 0.848
ea13 1342 1342/1342 1342 ± 0.00001628 5.916 5.648/6.367 5.927 ± 0.7625
ea14 1342 1342/1342 1342 ± 0.00003823 5.698 5.283/6.662 5.848 ± 0.9432
ea15 1342 1342/1342 1342 ± 0.00002911 5.308 5.004/6.15 5.489 ± 0.8653
ea16 1342 1342/1342 1342 ± 0.00003206 5.749 5.407/6.685 5.878 ± 0.9503
ea17 1342 1342/1342 1342 ± 0.00004163 6.128 5.634/7.122 6.152 ± 0.9647
ea18 1342 1342/1342 1342 ± 0.00004276 5.195 4.723/5.81 5.145 ± 0.6908
ea19 1342 1342/1342 1342 ± 0.00001361 5.676 5.387/6.677 5.885 ± 0.9215
ea20 1342 1342/1342 1342 ± 0.00004189 6.106 5.653/7.017 6.197 ± 1.027
ea21 1342 1342/1342 1342 ± 0.00003345 5.402 5.188/6.31 5.593 ± 0.8543
ea22 1342 1342/1342 1342 ± 0.00003396 5.464 5.205/6.476 5.679 ± 0.8393
ea23 1342 1342/1342 1342 ± 0.00005278 6.629 6.179/7.142 6.119 ± 1.182
ea24 1342 1342/1342 1342 ± 0.0000159 5.192 4.925/6.121 5.424 ± 0.7308
ea25 1342 1342/1342 1342 ± 0.00004081 5.743 5.346/6.555 5.819 ± 0.8583
ea26 1342 1342/1342 1342 ± 0.0000226 5.902 5.595/6.796 6.016 ± 0.9058
ea27 1342 1342/1342 1342 ± 0.00004276 5.65 5.216/6.426 5.697 ± 0.8056
ea28 1342 1342/1342 1342 ± 0.00004317 6.077 5.545/6.843 6.034 ± 0.9271
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 ± 0.00002349 5.628 5.21/5.924 5.548 ± 0.3953
5 1342 1342/1342 1342 ± 0.00002392 5.307 5.087/5.567 5.325 ± 0.3831
6 1342 1342/1342 1342 ± 0.00002349 5.371 4.994/5.583 5.302 ± 0.3273
7 1342 1342/1342 1342 ± 0.00002349 5.386 5.007/5.522 5.331 ± 0.3155
8 1342 1342/1342 1342 ± 0.00002349 5.398 4.978/5.51 5.295 ± 0.3572
9 1342 1342/1342 1342 ± 0.00002366 5.688 5.316/5.848 5.59 ± 0.3593
10 1342 1342/1342 1342 ± 0.00002307 6.084 5.821/6.291 6.047 ± 0.3609
11 1342 1342/1342 1342 ± 0.00002307 6.329 6.118/6.589 6.318 ± 0.3541
12 1342 1342/1342 1342 ± 0.00002307 6.555 6.265/6.801 6.493 ± 0.3892
13 1342 1342/1342 1342 ± 0.00002307 6.877 6.495/7.155 6.812 ± 0.4237
14 1342 1342/1342 1342 ± 0.00002307 7.116 6.826/7.386 7.006 ± 0.4587
15 1342 1342/1342 1342 ± 0.00002589 6.619 6.28/6.886 6.538 ± 0.4356
16 1342 1342/1342 1342 ± 0.00005438 4.189 4.09/4.281 4.187 ± 0.2268
17 1342 1342/1342 1342 ± 0.00005508 4.213 4.096/4.366 4.233 ± 0.1952
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-16 05:01:46.265
End
2025-01-16 05:34:45.686
Duration
0:32:59.421
Note, WebLog generation is not included in the time.

CASA logs for stage 8