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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.01 5.725/6.806 6.192 ± 0.7716
ea03 1342 1342/1342 1342 ± 0.000002597 5.48 4.947/6.455 5.644 ± 0.8644
ea04 1342 1342/1342 1342 ± 0 5.616 5.188/6.408 5.797 ± 0.7899
ea05 1342 1342/1342 1342 ± 0 6.058 5.54/6.98 6.223 ± 0.753
ea06 1342 1342/1342 1342 ± 0 6.068 5.403/6.554 6.013 ± 0.7609
ea07 1342 1342/1342 1342 ± 0 6.015 5.377/6.446 5.961 ± 0.7975
ea08 1342 1342/1342 1342 ± 0.000001162 5.764 5.286/6.596 5.95 ± 0.843
ea09 1342 1342/1342 1342 ± 0 6.023 5.46/6.888 6.068 ± 0.8477
ea10 1342 1342/1342 1342 ± 0 6.389 5.5/7.034 6.284 ± 0.7526
ea11 1342 1342/1342 1342 ± 0 6.145 5.233/6.659 5.99 ± 0.92
ea12 1342 1342/1342 1342 ± 0 6.171 5.523/6.828 6.194 ± 0.9238
ea13 1342 1342/1342 1342 ± 0 5.568 5.464/6.138 5.702 ± 0.6649
ea14 1342 1342/1342 1342 ± 0 6.146 5.571/6.839 6.184 ± 0.8979
ea15 1342 1342/1342 1342 ± 0 5.759 5.278/6.37 5.816 ± 0.7766
ea16 1342 1342/1342 1342 ± 0 6.198 5.638/6.899 6.242 ± 0.9278
ea17 1342 1342/1342 1342 ± 0 6.499 6.007/7.541 6.702 ± 0.9291
ea18 1342 1342/1342 1342 ± 0 5.16 4.664/5.55 5.165 ± 0.5278
ea19 1342 1342/1342 1342 ± 0 6.224 5.639/6.93 6.28 ± 0.9151
ea20 1342 1342/1342 1342 ± 0 5.847 5.376/6.508 5.907 ± 0.8127
ea21 1342 1342/1342 1342 ± 0 5.242 4.921/5.833 5.331 ± 0.6296
ea22 1342 1342/1342 1342 ± 0 5.957 5.296/6.612 5.956 ± 0.8535
ea23 1342 1342/1342 1342 ± 0 6.353 5.593/6.77 6.248 ± 0.7791
ea24 1342 1342/1342 1342 ± 0.00002555 5.628 5.153/6.441 5.61 ± 0.9404
ea25 1342 1342/1342 1342 ± 0 6.32 5.557/7.069 6.299 ± 1.013
ea26 1342 1342/1342 1342 ± 0 6.482 5.835/7.355 6.48 ± 0.924
ea27 1342 1342/1342 1342 ± 0 6.079 5.384/6.893 6.112 ± 0.7874
ea28 1342 1342/1342 1342 ± 0 5.997 5.696/6.886 6.251 ± 0.8363
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 5.443 5.177/5.653 5.401 ± 0.3125
3 1342 1342/1342 1342 ± 0.00003058 5.006 4.813/5.213 4.979 ± 0.4616
4 1342 1342/1342 1342 ± 0.00002568 4.306 4.23/4.403 4.356 ± 0.276
5 1342 1342/1342 1342 ± 0.00002305 5.535 5.212/5.602 5.43 ± 0.3248
6 1342 1342/1342 1342 ± 0.00002305 5.441 5.24/5.612 5.402 ± 0.2935
7 1342 1342/1342 1342 ± 0.00002305 5.498 5.324/5.672 5.473 ± 0.29
8 1342 1342/1342 1342 ± 0.00002305 5.433 5.197/5.646 5.42 ± 0.3261
9 1342 1342/1342 1342 ± 0.00002305 5.784 5.54/5.976 5.739 ± 0.3257
10 1342 1342/1342 1342 ± 0.00002305 6.42 6.123/6.515 6.3 ± 0.3342
11 1342 1342/1342 1342 ± 0.00002305 6.639 6.405/6.781 6.543 ± 0.3586
12 1342 1342/1342 1342 ± 0.00002305 6.772 6.474/6.938 6.695 ± 0.4294
13 1342 1342/1342 1342 ± 0.00002305 7.197 6.987/7.552 7.193 ± 0.4571
14 1342 1342/1342 1342 ± 0.00002305 7.428 7.098/7.69 7.37 ± 0.4647
15 1342 1342/1342 1342 ± 0.00002305 7.04 6.746/7.322 6.999 ± 0.4266
16 1342 1342/1342 1342 ± 0.00002305 6.374 6.111/6.714 6.379 ± 0.4444
17 1342 1342/1342 1342 ± 0.00002305 6.353 6.039/6.566 6.285 ± 0.4784
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-06-11 08:17:56.161
End
2025-06-11 09:17:28.006
Duration
0:59:31.844
Note, WebLog generation is not included in the time.

CASA logs for stage 8