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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.68 5.47/6.559 6.047 ± 0.6262
ea02 1342 1342/1342 1342 ± 0.00004573 5.803 5.411/6.566 6.004 ± 0.7422
ea04 1342 1342/1342 1342 ± 0.00002747 5.507 5.261/6.183 5.772 ± 0.5719
ea05 1342 1342/1342 1342 ± 0.000007921 5.658 5.331/6.612 5.917 ± 0.7117
ea06 1342 1342/1342 1342 ± 0.00002728 5.011 4.918/5.808 5.358 ± 0.5281
ea07 1342 1342/1342 1342 ± 0.00003935 5.846 5.616/6.506 6.22 ± 0.6519
ea08 1342 1342/1342 1342 ± 0.000043 5.718 5.551/6.921 6.244 ± 0.8139
ea09 1342 1342/1342 1342 ± 0.00001691 5.863 5.457/6.706 6.039 ± 0.6736
ea10 1342 1342/1342 1342 ± 0.00004358 5.945 5.572/7.097 6.325 ± 0.7813
ea11 1342 1342/1342 1342 ± 0.00004316 5.867 5.512/6.983 6.293 ± 0.845
ea12 1342 1342/1342 1342 ± 0.00002834 5.958 5.539/6.772 6.207 ± 0.7372
ea13 1342 1342/1342 1342 ± 0.000003831 6.015 5.468/6.453 6.111 ± 0.7239
ea14 1342 1342/1342 1342 ± 0.00003428 5.422 5.197/6.381 5.827 ± 0.7083
ea15 1342 1342/1342 1342 ± 0.00002449 5.612 5.445/6.586 6.032 ± 0.7005
ea16 1342 1342/1342 1342 ± 0.00001333 5.744 5.404/6.915 6.171 ± 0.9349
ea17 1342 1342/1342 1342 ± 0.00004561 6.115 5.774/7.279 6.506 ± 0.7942
ea18 1342 1342/1342 1342 ± 0.00004396 5.497 5.077/6.026 5.556 ± 0.5343
ea19 1342 1342/1342 1342 ± 0.0000166 5.85 5.751/6.869 6.261 ± 0.6853
ea20 1342 1342/1342 1342 ± 0.00003274 6.124 5.807/7.264 6.484 ± 0.7858
ea21 1342 1342/1342 1342 ± 0.00002758 5.653 5.269/6.584 5.96 ± 0.7122
ea22 1342 1342/1342 1342 ± 0.00003024 5.625 5.068/6.366 5.792 ± 0.8196
ea23 1342 1342/1342 1342 ± 0.00003321 5.648 5.514/6.608 6.122 ± 0.7144
ea25 1342 1342/1342 1342 ± 0.0000387 5.801 5.73/6.7 6.237 ± 0.6502
ea26 1342 1342/1342 1342 ± 0.00001586 5.888 5.738/6.97 6.307 ± 0.6815
ea27 1342 1342/1342 1342 ± 0.00004457 5.783 5.638/6.86 6.176 ± 0.7063
ea28 1342 1342/1342 1342 ± 0.00004464 5.894 5.674/6.81 6.234 ± 0.7114
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 ± 0.00002362 5.483 5.161/5.73 5.439 ± 0.3604
5 1342 1342/1342 1342 ± 0.00004148 5.659 5.528/5.924 5.714 ± 0.3197
6 1342 1342/1342 1342 ± 0.00002407 5.483 5.322/5.717 5.488 ± 0.2432
7 1342 1342/1342 1342 ± 0.00002362 5.528 5.338/5.742 5.526 ± 0.2881
8 1342 1342/1342 1342 ± 0.00002362 5.482 5.233/5.694 5.465 ± 0.3199
9 1342 1342/1342 1342 ± 0.00002955 5.617 5.319/5.745 5.514 ± 0.2884
10 1342 1342/1342 1342 ± 0.00002362 6.308 6.098/6.481 6.281 ± 0.3038
11 1342 1342/1342 1342 ± 0.00002362 6.542 6.362/6.737 6.532 ± 0.3171
12 1342 1342/1342 1342 ± 0.00002407 6.708 6.481/6.915 6.684 ± 0.3579
13 1342 1342/1342 1342 ± 0.00002362 7.182 6.952/7.345 7.128 ± 0.3517
14 1342 1342/1342 1342 ± 0.00002362 7.338 7.125/7.514 7.299 ± 0.3704
15 1342 1342/1342 1342 ± 0.00002382 6.93 6.722/7.071 6.84 ± 0.3827
16 1342 1342/1342 1342 ± 0.00005965 5.366 5.22/5.489 5.342 ± 0.2015
17 1342 1342/1342 1342 ± 0.000061 5.566 5.438/5.733 5.564 ± 0.241
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-05-13 03:00:22.688
End
2025-05-13 03:42:48.954
Duration
0:42:26.267
Note, WebLog generation is not included in the time.

CASA logs for stage 8