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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.188 5.026/5.855 5.351 ± 0.6038
ea02 1342 1342/1342 1342 ± 0.00003418 5.854 5.299/6.415 5.699 ± 0.8471
ea04 1342 1342/1342 1342 ± 0.00002135 5.048 4.883/5.739 5.254 ± 0.5362
ea05 1342 1342/1342 1342 ± 0.00001066 5.402 5.023/6.262 5.569 ± 0.6365
ea06 1342 1342/1342 1342 ± 0 4.901 4.66/5.318 4.958 ± 0.4793
ea07 1342 1342/1342 1342 ± 0.00004205 5.563 5.068/5.961 5.533 ± 0.6463
ea08 1342 1342/1342 1342 ± 0.00004262 5.768 5.356/6.523 5.781 ± 0.8335
ea09 1342 1342/1342 1342 ± 0 5.269 5.022/6.194 5.441 ± 0.6336
ea10 1342 1342/1342 1342 ± 0.00004308 5.432 4.991/6.189 5.504 ± 0.6821
ea11 1342 1342/1342 1342 ± 0.00002721 5.409 5.033/6.117 5.5 ± 0.7602
ea12 1342 1342/1342 1342 ± 0 5.38 5.143/6.213 5.551 ± 0.7122
ea13 1342 1342/1342 1342 ± 0.00000198 5.884 5.435/6.179 5.844 ± 0.5962
ea14 1342 1342/1342 1342 ± 0.00001458 5.367 5.158/6.302 5.624 ± 0.6584
ea15 1342 1342/1342 1342 ± 0 5.288 4.981/6.029 5.493 ± 0.6651
ea16 1342 1342/1342 1342 ± 0.00002333 5.782 5.156/6.46 5.761 ± 0.7732
ea17 1342 1342/1342 1342 ± 0.00004272 5.695 5.254/6.597 5.739 ± 0.7977
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0.000001617 5.617 5.374/6.523 5.816 ± 0.6988
ea20 1342 1342/1342 1342 ± 0 5.693 5.492/6.538 5.808 ± 0.7766
ea21 1342 1342/1342 1342 ± 0.00002023 5.457 5.204/6.051 5.508 ± 0.6715
ea22 1342 1342/1342 1342 ± 0.00001691 5.428 5.085/6.365 5.562 ± 0.7548
ea23 1342 1342/1342 1342 ± 0.00003984 5.697 5.317/6.302 5.672 ± 0.7581
ea25 1342 1342/1342 1342 ± 0.0000397 5.392 5.117/5.989 5.37 ± 0.7226
ea26 1342 1342/1342 1342 ± 0.000002515 5.507 5.36/6.364 5.693 ± 0.6269
ea27 1342 1342/1342 1342 ± 0.00004631 5.346 4.963/6.168 5.442 ± 0.6923
ea28 1342 1342/1342 1342 ± 0.00004262 5.484 5.111/6.316 5.586 ± 0.7323
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 ± 0.00002394 5.284 5.159/5.467 5.299 ± 0.2198
4 1342 1342/1342 1342 ± 0.0000381 5.079 4.884/5.385 5.184 ± 0.4449
5 1342 1342/1342 1342 ± 0.00002443 5.293 5.06/5.482 5.298 ± 0.2683
6 1342 1342/1342 1342 ± 0.00002394 5.022 4.945/5.171 5.05 ± 0.1866
7 1342 1342/1342 1342 ± 0.00002394 5.268 5.118/5.397 5.259 ± 0.2012
8 1342 1342/1342 1342 ± 0.00002394 5.247 5.025/5.364 5.211 ± 0.2293
9 1342 1342/1342 1342 ± 0.00002394 5.53 5.36/5.666 5.479 ± 0.2661
10 1342 1342/1342 1342 ± 0.00002394 5.861 5.735/5.948 5.827 ± 0.2356
11 1342 1342/1342 1342 ± 0.00002394 6.126 5.984/6.212 6.071 ± 0.2523
12 1342 1342/1342 1342 ± 0.00002394 6.242 6.045/6.368 6.211 ± 0.2802
13 1342 1342/1342 1342 ± 0.00002407 6.539 6.369/6.614 6.496 ± 0.2604
14 1342 1342/1342 1342 ± 0.00002876 6.507 6.291/6.721 6.475 ± 0.3124
15 1342 1342/1342 1342 ± 0.00002407 6.451 6.288/6.625 6.419 ± 0.3812
16 1342 1342/1342 1342 ± 0.00006064 4.362 4.196/4.56 4.379 ± 0.2335
17 1342 1342/1342 1342 ± 0.00005961 4.48 4.297/4.641 4.462 ± 0.2327
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
output_dir
 
Start time
2024-12-13 07:04:00.262
End
2024-12-13 08:11:18.117
Duration
1:07:17.855
Note, WebLog generation is not included in the time.

CASA logs for stage 8