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 6.098 5.851/6.73 6.3 ± 0.5609
ea02 1342 1342/1342 1342 ± 0 6.23 5.876/6.944 6.395 ± 0.6365
ea03 1342 1342/1342 1342 ± 0.000001623 5.44 5.214/6.585 5.79 ± 0.687
ea04 1342 1342/1342 1342 ± 0 5.938 5.436/6.565 6.033 ± 0.6395
ea06 1342 1342/1342 1342 ± 0 6.309 5.637/6.581 6.186 ± 0.5991
ea07 1342 1342/1342 1342 ± 0 5.969 5.421/6.092 5.915 ± 0.4789
ea08 1342 1342/1342 1342 ± 0 6.241 5.843/6.99 6.468 ± 0.6008
ea09 1342 1342/1342 1342 ± 0 6.123 5.576/6.842 6.187 ± 0.657
ea10 1342 1342/1342 1342 ± 0 5.999 5.618/6.699 6.149 ± 0.5765
ea11 1342 1342/1342 1342 ± 0 6.334 5.731/6.92 6.415 ± 0.6833
ea12 1342 1342/1342 1342 ± 0 6.27 5.761/6.868 6.364 ± 0.6454
ea13 1342 1342/1342 1342 ± 0 6.223 5.81/6.738 6.378 ± 0.5403
ea14 1342 1342/1342 1342 ± 0 6.344 5.697/6.718 6.265 ± 0.6737
ea15 1342 1342/1342 1342 ± 0 6.171 5.58/6.647 6.152 ± 0.6869
ea16 1342 1342/1342 1342 ± 0 6.282 5.804/6.729 6.348 ± 0.6129
ea17 1342 1342/1342 1342 ± 0 6.643 6.317/7.501 6.848 ± 0.6404
ea18 1342 1342/1342 1342 ± 0 4.934 4.617/5.293 4.971 ± 0.4039
ea19 1342 1342/1342 1342 ± 0 6.399 5.932/7.007 6.496 ± 0.6218
ea20 1342 1342/1342 1342 ± 0 6.137 5.878/7.048 6.397 ± 0.6123
ea21 1342 1342/1342 1342 ± 0 5.973 5.711/6.664 6.227 ± 0.5632
ea22 1342 1342/1342 1342 ± 0 6.506 5.738/6.872 6.373 ± 0.6317
ea23 1342 1342/1342 1342 ± 0 6.26 5.873/6.902 6.449 ± 0.6718
ea24 1342 1342/1342 1342 ± 0 6.157 5.479/6.705 6.057 ± 0.6135
ea25 1342 1342/1342 1342 ± 0 6.168 5.428/6.443 6.067 ± 0.6986
ea26 1342 1342/1342 1342 ± 0 6.394 5.8/7.068 6.406 ± 0.64
ea27 1342 1342/1342 1342 ± 0 5.916 5.768/6.958 6.261 ± 0.6547
ea28 1342 1342/1342 1342 ± 0 5.969 5.725/6.861 6.292 ± 0.6461
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 5.732 5.629/5.875 5.704 ± 0.315
4 1342 1342/1342 1342 ± 0.00002465 5.549 5.199/5.657 5.462 ± 0.4248
5 1342 1342/1342 1342 ± 0.00002305 5.76 5.484/5.987 5.715 ± 0.3687
6 1342 1342/1342 1342 ± 0.00002305 5.615 5.49/5.845 5.623 ± 0.3124
7 1342 1342/1342 1342 ± 0.00002305 5.713 5.546/5.869 5.686 ± 0.3044
8 1342 1342/1342 1342 ± 0.00002305 5.644 5.42/5.805 5.628 ± 0.3198
9 1342 1342/1342 1342 ± 0.00002305 5.962 5.813/6.115 5.928 ± 0.3469
10 1342 1342/1342 1342 ± 0.00002305 6.414 6.204/6.581 6.358 ± 0.3554
11 1342 1342/1342 1342 ± 0.00002305 6.653 6.465/6.801 6.581 ± 0.3667
12 1342 1342/1342 1342 ± 0.00002305 6.738 6.614/6.915 6.72 ± 0.3941
13 1342 1342/1342 1342 ± 0.00002305 7.219 6.995/7.389 7.164 ± 0.4139
14 1342 1342/1342 1342 ± 0.00002305 7.454 7.228/7.546 7.358 ± 0.4025
15 1342 1342/1342 1342 ± 0.00002305 7.043 6.847/7.219 6.986 ± 0.3968
16 1342 1342/1342 1342 ± 0.00002308 6.281 6.041/6.442 6.23 ± 0.3829
17 1342 1342/1342 1342 ± 0.00002305 6.201 6.004/6.394 6.18 ± 0.3586
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
statwtmode
VLASS-SE
Start time
2025-05-14 11:34:42.080
End
2025-05-14 12:51:28.622
Duration
1:16:46.542
Note, WebLog generation is not included in the time.

CASA logs for stage 8