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 6.271 5.683/6.733 6.141 ± 0.6139
ea02 1342 1342/1342 1342 ± 0.00004026 6.145 5.354/6.858 6.05 ± 0.7138
ea04 1342 1342/1342 1342 ± 0.00003152 5.671 5.335/6.183 5.814 ± 0.5657
ea05 1342 1342/1342 1342 ± 0.00001154 6.036 5.347/6.568 5.943 ± 0.6965
ea06 1342 1342/1342 1342 ± 0.00003336 5.702 5.008/5.863 5.465 ± 0.5376
ea07 1342 1342/1342 1342 ± 0.00002998 6.337 5.627/6.887 6.235 ± 0.608
ea08 1342 1342/1342 1342 ± 0.00003052 6.699 5.606/7.1 6.337 ± 0.7733
ea09 1342 1342/1342 1342 ± 0.00002407 5.541 5.393/6.687 5.992 ± 0.7211
ea10 1342 1342/1342 1342 ± 0.00003054 6.694 5.712/7.071 6.404 ± 0.7272
ea11 1342 1342/1342 1342 ± 0.00002984 6.719 5.676/6.984 6.452 ± 0.7829
ea12 1342 1342/1342 1342 ± 0.00002183 6.286 5.712/7.014 6.317 ± 0.7089
ea13 1342 1342/1342 1342 ± 0.00001556 6.291 5.613/6.68 6.144 ± 0.647
ea14 1342 1342/1342 1342 ± 0.00002575 5.953 5.21/6.697 5.902 ± 0.713
ea15 1342 1342/1342 1342 ± 0.0000309 5.649 5.546/6.634 6.093 ± 0.7195
ea16 1342 1342/1342 1342 ± 0.00001364 5.919 5.535/6.96 6.24 ± 0.9171
ea17 1342 1342/1342 1342 ± 0.00003012 6.526 6.083/7.44 6.63 ± 0.7886
ea18 1342 1342/1342 1342 ± 0.00003076 5.509 5.167/6.074 5.659 ± 0.5052
ea19 1342 1342/1342 1342 ± 0.00001067 5.967 5.743/6.804 6.244 ± 0.694
ea20 1342 1342/1342 1342 ± 0.00002783 6.26 6.07/7.237 6.597 ± 0.7466
ea21 1342 1342/1342 1342 ± 0.00002112 6.228 5.553/6.513 6.026 ± 0.6491
ea22 1342 1342/1342 1342 ± 0.00003151 5.307 5.112/6.829 5.781 ± 0.8153
ea23 1342 1342/1342 1342 ± 0.00002202 6.145 5.52/6.858 6.116 ± 0.6976
ea25 1342 1342/1342 1342 ± 0.00002314 6.492 5.791/6.768 6.327 ± 0.6385
ea26 1342 1342/1342 1342 ± 0.0000234 6.05 5.872/6.912 6.326 ± 0.6698
ea27 1342 1342/1342 1342 ± 0.00002997 5.965 5.811/6.906 6.277 ± 0.6538
ea28 1342 1342/1342 1342 ± 0.00003028 6.144 5.801/6.892 6.368 ± 0.7073
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 ± 0.00002351 5.671 5.375/5.929 5.632 ± 0.3605
5 1342 1342/1342 1342 ± 0.00004099 5.536 5.406/5.681 5.57 ± 0.262
6 1342 1342/1342 1342 ± 0.00002396 5.584 5.345/5.809 5.578 ± 0.254
7 1342 1342/1342 1342 ± 0.00002351 5.573 5.406/5.755 5.572 ± 0.2851
8 1342 1342/1342 1342 ± 0.00002351 5.544 5.351/5.655 5.533 ± 0.3153
9 1342 1342/1342 1342 ± 0.00002409 5.781 5.519/5.965 5.765 ± 0.3008
10 1342 1342/1342 1342 ± 0.00002351 6.291 6.063/6.44 6.274 ± 0.3043
11 1342 1342/1342 1342 ± 0.00002351 6.54 6.335/6.758 6.504 ± 0.3075
12 1342 1342/1342 1342 ± 0.00002395 6.694 6.482/6.907 6.651 ± 0.3486
13 1342 1342/1342 1342 ± 0.00002351 7.111 6.882/7.268 7.091 ± 0.3414
14 1342 1342/1342 1342 ± 0.00002351 7.337 7.074/7.482 7.267 ± 0.3604
15 1342 1342/1342 1342 ± 0.00002502 6.915 6.714/7.087 6.842 ± 0.3918
16 1342 1342/1342 1342 ± 0.00006042 5.039 4.93/5.145 5.033 ± 0.163
17 1342 1342/1342 1342 ± 0.00005773 5.221 5.069/5.359 5.218 ± 0.196
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-07 01:52:12.622
End
2025-01-07 02:44:11.185
Duration
0:51:58.564
Note, WebLog generation is not included in the time.

CASA logs for stage 8