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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.152 5.88/6.856 6.389 ± 0.6294
ea02 1342 1342/1342 1342 ± 0 6.357 5.944/7.083 6.494 ± 0.7066
ea03 1342 1342/1342 1342 ± 0.000001784 5.545 5.272/6.771 5.905 ± 0.7751
ea04 1342 1342/1342 1342 ± 0 6.052 5.523/6.828 6.175 ± 0.7064
ea06 1342 1342/1342 1342 ± 0 6.614 5.704/6.796 6.348 ± 0.6879
ea07 1342 1342/1342 1342 ± 0 6.138 5.506/6.299 6.073 ± 0.5514
ea08 1342 1342/1342 1342 ± 0 6.327 5.863/7.128 6.558 ± 0.6682
ea09 1342 1342/1342 1342 ± 0 6.196 5.662/7.034 6.28 ± 0.7138
ea10 1342 1342/1342 1342 ± 0.000006425 6.206 5.668/6.925 6.322 ± 0.6437
ea11 1342 1342/1342 1342 ± 0 6.519 5.754/7.174 6.544 ± 0.7748
ea12 1342 1342/1342 1342 ± 0 6.407 5.799/7.051 6.512 ± 0.7306
ea13 1342 1342/1342 1342 ± 0 6.304 5.984/6.946 6.519 ± 0.5869
ea14 1342 1342/1342 1342 ± 0 6.506 5.726/6.976 6.436 ± 0.7687
ea15 1342 1342/1342 1342 ± 0 6.326 5.635/6.833 6.299 ± 0.7585
ea16 1342 1342/1342 1342 ± 0 6.474 5.899/6.966 6.52 ± 0.7109
ea17 1342 1342/1342 1342 ± 0 6.771 6.313/7.787 7.003 ± 0.7381
ea18 1342 1342/1342 1342 ± 0 5.063 4.691/5.459 5.082 ± 0.481
ea19 1342 1342/1342 1342 ± 0 6.735 5.997/7.255 6.668 ± 0.7221
ea20 1342 1342/1342 1342 ± 0 6.371 5.862/7.254 6.49 ± 0.7189
ea21 1342 1342/1342 1342 ± 0 6.285 5.746/6.855 6.356 ± 0.6542
ea22 1342 1342/1342 1342 ± 0 6.692 5.789/7.11 6.534 ± 0.7453
ea23 1342 1342/1342 1342 ± 0 6.459 5.968/7.029 6.588 ± 0.755
ea24 1342 1342/1342 1342 ± 0 6.263 5.502/6.888 6.174 ± 0.6902
ea25 1342 1342/1342 1342 ± 0 6.371 5.49/6.771 6.271 ± 0.7946
ea26 1342 1342/1342 1342 ± 0 6.526 5.896/7.265 6.541 ± 0.7124
ea27 1342 1342/1342 1342 ± 0 6.134 5.745/7.164 6.406 ± 0.7399
ea28 1342 1342/1342 1342 ± 0 6.186 5.827/7.019 6.439 ± 0.7098
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 ± 0.00002305 5.727 5.63/5.846 5.691 ± 0.3135
4 1342 1342/1342 1342 ± 0.00002365 5.629 5.312/5.687 5.522 ± 0.4155
5 1342 1342/1342 1342 ± 0.00002305 5.779 5.514/5.963 5.73 ± 0.3589
6 1342 1342/1342 1342 ± 0.00002305 5.678 5.569/5.896 5.69 ± 0.313
7 1342 1342/1342 1342 ± 0.00002305 5.766 5.57/5.939 5.745 ± 0.3014
8 1342 1342/1342 1342 ± 0.00002305 5.743 5.496/5.911 5.715 ± 0.325
9 1342 1342/1342 1342 ± 0.00002305 6.054 5.929/6.222 6.031 ± 0.3484
10 1342 1342/1342 1342 ± 0.00002305 6.566 6.332/6.729 6.509 ± 0.3626
11 1342 1342/1342 1342 ± 0.00002305 6.836 6.631/6.972 6.752 ± 0.3738
12 1342 1342/1342 1342 ± 0.00002305 6.968 6.778/7.11 6.909 ± 0.403
13 1342 1342/1342 1342 ± 0.00002305 7.453 7.227/7.63 7.408 ± 0.4207
14 1342 1342/1342 1342 ± 0.00002305 7.722 7.49/7.867 7.626 ± 0.4207
15 1342 1342/1342 1342 ± 0.00002305 7.308 7.143/7.495 7.25 ± 0.3933
16 1342 1342/1342 1342 ± 0.00002305 6.488 6.319/6.76 6.485 ± 0.4142
17 1342 1342/1342 1342 ± 0.00002354 6.464 6.202/6.714 6.408 ± 0.4163
output_dir
 
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-05-14 10:13:38.362
End
2025-05-14 11:07:15.644
Duration
0:53:37.282
Note, WebLog generation is not included in the time.

CASA logs for stage 8