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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 5.129 5.026/5.776 5.157 ± 0.8778
ea02 1342 1342/1342 1342 ± 0.00004108 5.674 5.213/6.395 5.58 ± 1.025
ea04 1342 1342/1342 1342 ± 0.00003012 5.329 4.844/5.88 5.1 ± 1.009
ea05 1342 1342/1342 1342 ± 0.00001028 5.405 5.009/6.157 5.445 ± 0.8014
ea06 1342 1342/1342 1342 ± 0.00003599 5.033 4.767/5.594 4.938 ± 0.9133
ea07 1342 1342/1342 1342 ± 0.00004382 5.529 5.116/5.94 5.306 ± 0.9143
ea08 1342 1342/1342 1342 ± 0.00004279 5.907 5.386/6.603 5.754 ± 1.109
ea09 1342 1342/1342 1342 ± 0.000003772 5.569 5.025/6.113 5.437 ± 0.8267
ea10 1342 1342/1342 1342 ± 0.00004449 5.16 4.991/6.226 5.302 ± 0.9605
ea11 1342 1342/1342 1342 ± 0.00004269 5.469 4.981/6.213 5.37 ± 0.9907
ea12 1342 1342/1342 1342 ± 0.00003978 5.609 5.087/6.369 5.451 ± 1.101
ea13 1342 1342/1342 1342 ± 0.000007282 5.865 5.493/6.276 5.783 ± 0.8221
ea14 1342 1342/1342 1342 ± 0.00001437 5.435 5.099/6.404 5.465 ± 0.9415
ea15 1342 1342/1342 1342 ± 0.00002299 5.273 5.016/6.132 5.316 ± 1.112
ea16 1342 1342/1342 1342 ± 0.00001997 5.463 5.195/6.066 5.41 ± 0.9016
ea17 1342 1342/1342 1342 ± 0.00004528 5.654 5.273/6.384 5.624 ± 1.069
ea18 1342 1342/1342 1342 ± 0.00004326 4.873 4.424/5.45 4.785 ± 0.781
ea19 1342 1342/1342 1342 ± 0.000001853 5.634 5.324/6.387 5.653 ± 0.8203
ea20 1342 1342/1342 1342 ± 0.00004241 5.776 5.521/6.755 5.774 ± 1.108
ea21 1342 1342/1342 1342 ± 0.00001532 5.299 5.172/6.096 5.324 ± 0.8223
ea22 1342 1342/1342 1342 ± 0.00002498 5.356 5.02/6.272 5.492 ± 0.9368
ea23 1342 1342/1342 1342 ± 0.00003896 5.424 5.12/6.223 5.433 ± 0.9769
ea25 1342 1342/1342 1342 ± 0.00004363 5.263 5.038/6.011 5.276 ± 0.9317
ea27 1342 1342/1342 1342 ± 0.00004537 5.232 4.946/6.239 5.278 ± 0.9605
ea28 1342 1342/1342 1342 ± 0.00004463 5.524 5.205/6.301 5.462 ± 1.009
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 ± 0.00002393 5.362 5.181/5.592 5.373 ± 0.2592
5 1342 1342/1342 1342 ± 0.00002467 5.096 4.91/5.295 5.128 ± 0.3217
6 1342 1342/1342 1342 ± 0.00002393 5.155 5.022/5.271 5.138 ± 0.2575
7 1342 1342/1342 1342 ± 0.00002393 5.137 5.013/5.282 5.15 ± 0.215
8 1342 1342/1342 1342 ± 0.00002393 5.187 4.962/5.325 5.141 ± 0.2434
9 1342 1342/1342 1342 ± 0.00002393 5.456 5.339/5.639 5.447 ± 0.2823
10 1342 1342/1342 1342 ± 0.00002393 5.91 5.766/6 5.86 ± 0.2936
11 1342 1342/1342 1342 ± 0.00002393 6.214 6.062/6.292 6.145 ± 0.2993
12 1342 1342/1342 1342 ± 0.00002393 6.377 6.183/6.466 6.328 ± 0.3048
13 1342 1342/1342 1342 ± 0.00002408 6.538 6.245/6.704 6.455 ± 0.3318
14 1342 1342/1342 1342 ± 0.00003574 5.929 5.54/6.339 5.985 ± 0.5334
15 1342 1342/1342 1342 ± 0.00002397 6.498 6.239/6.754 6.464 ± 0.3983
16 1342 1342/1342 1342 ± 0.00005733 3.277 3.095/3.538 3.334 ± 0.3514
17 1342 1342/1342 1342 ± 0.00006011 3.536 3.39/3.754 3.59 ± 0.3171
datacolumn
residual_data
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-11-06 10:22:53.678
End
2024-11-06 11:05:53.241
Duration
0:42:59.563
Note, WebLog generation is not included in the time.

CASA logs for stage 8