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 5.393 5.034/5.864 5.537 ± 0.5493
ea02 1342 1342/1342 1342 ± 0 5.472 5.278/6.328 5.821 ± 0.6398
ea04 1342 1342/1342 1342 ± 0 5.269 5.005/5.865 5.447 ± 0.5646
ea05 1342 1342/1342 1342 ± 0 5.477 5.105/5.994 5.59 ± 0.5882
ea06 1342 1342/1342 1342 ± 0 5 4.608/5.516 5.076 ± 0.5139
ea07 1342 1342/1342 1342 ± 0 5.795 5.259/6.072 5.799 ± 0.5836
ea08 1342 1342/1342 1342 ± 0 5.495 5.344/6.433 5.9 ± 0.673
ea09 1342 1342/1342 1342 ± 0 5.501 5.104/6.146 5.602 ± 0.6387
ea10 1342 1342/1342 1342 ± 0 5.773 5.093/6.398 5.753 ± 0.6898
ea11 1342 1342/1342 1342 ± 0 5.613 5.002/6.17 5.636 ± 0.6786
ea12 1342 1342/1342 1342 ± 0 5.601 5.195/6.228 5.775 ± 0.6512
ea13 1342 1342/1342 1342 ± 0 5.877 5.581/6.211 5.978 ± 0.5187
ea14 1342 1342/1342 1342 ± 0 5.624 5.104/6.223 5.703 ± 0.6819
ea15 1342 1342/1342 1342 ± 0 5.421 4.969/6.123 5.585 ± 0.6849
ea16 1342 1342/1342 1342 ± 0 5.935 5.489/6.621 6.098 ± 0.7395
ea17 1342 1342/1342 1342 ± 0 5.77 5.409/6.317 5.912 ± 0.6276
ea18 1342 1342/1342 1342 ± 0 4.842 4.571/5.305 4.958 ± 0.517
ea19 1342 1342/1342 1342 ± 0 5.825 5.397/6.548 6.015 ± 0.6576
ea20 1342 1342/1342 1342 ± 0 5.96 5.59/6.638 6.107 ± 0.6685
ea21 1342 1342/1342 1342 ± 0 5.552 5.211/6.067 5.666 ± 0.5698
ea22 1342 1342/1342 1342 ± 0 5.377 5.077/6.071 5.575 ± 0.6686
ea23 1342 1342/1342 1342 ± 0 5.834 5.246/6.277 5.893 ± 0.7045
ea25 1342 1342/1342 1342 ± 0 5.352 5.067/5.914 5.502 ± 0.5658
ea26 1342 1342/1342 1342 ± 0 5.929 5.486/6.761 6.035 ± 0.6578
ea27 1342 1342/1342 1342 ± 0.00001371 5.416 5.046/6.186 5.59 ± 0.5948
ea28 1342 1342/1342 1342 ± 0.00002351 5.482 5.244/6.244 5.713 ± 0.6479
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 5.154 5.018/5.432 5.187 ± 0.2487
3 1342 1342/1342 1342 ± 0.00002349 5.147 4.941/5.328 5.134 ± 0.2747
4 1342 1342/1342 1342 ± 0.00002382 5.072 4.789/5.25 5 ± 0.3272
5 1342 1342/1342 1342 ± 0.00002349 5.06 4.867/5.217 5.065 ± 0.2828
6 1342 1342/1342 1342 ± 0.00002349 5.141 4.964/5.372 5.136 ± 0.2864
7 1342 1342/1342 1342 ± 0.00002349 5.209 5.056/5.348 5.198 ± 0.2561
8 1342 1342/1342 1342 ± 0.00002349 5.23 4.966/5.33 5.16 ± 0.275
9 1342 1342/1342 1342 ± 0.00002349 5.461 5.283/5.699 5.452 ± 0.3096
10 1342 1342/1342 1342 ± 0.00002349 5.894 5.704/6.051 5.867 ± 0.299
11 1342 1342/1342 1342 ± 0.00002349 6.161 5.926/6.278 6.078 ± 0.3085
12 1342 1342/1342 1342 ± 0.00002349 6.215 6.024/6.443 6.174 ± 0.4458
13 1342 1342/1342 1342 ± 0.00002349 6.683 6.57/6.847 6.675 ± 0.3415
14 1342 1342/1342 1342 ± 0.00002349 6.905 6.68/7.091 6.865 ± 0.3675
15 1342 1342/1342 1342 ± 0.00002349 6.614 6.359/6.809 6.526 ± 0.3589
16 1342 1342/1342 1342 ± 0.00002798 5.83 5.532/6.102 5.84 ± 0.3693
17 1342 1342/1342 1342 ± 0.00002736 5.888 5.518/6.139 5.854 ± 0.3649
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
overwrite_modelcol
False
Start time
2025-01-08 06:53:12.446
End
2025-01-08 08:03:55.569
Duration
1:10:43.123
Note, WebLog generation is not included in the time.

CASA logs for stage 8