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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.125 5.394/6.502 5.936 ± 0.802
ea02 1342 1342/1342 1342 ± 0.00001668 6.159 5.475/6.378 5.991 ± 0.7384
ea03 1342 1342/1342 1342 ± 0 6.111 5.421/6.717 6.08 ± 0.7608
ea04 1342 1342/1342 1342 ± 0 5.46 4.989/5.908 5.408 ± 0.7731
ea05 1342 1342/1342 1342 ± 0 5.778 5.251/6.456 5.81 ± 0.8015
ea06 1342 1342/1342 1342 ± 0 5.89 5.057/6.115 5.711 ± 0.6737
ea07 1342 1342/1342 1342 ± 0 5.838 5.122/6.287 5.789 ± 0.8305
ea08 1342 1342/1342 1342 ± 0 6.36 5.606/6.775 6.281 ± 0.7352
ea09 1342 1342/1342 1342 ± 0 5.653 5.076/6.364 5.738 ± 0.6538
ea10 1342 1342/1342 1342 ± 0 5.527 4.991/6.005 5.447 ± 0.7503
ea11 1342 1342/1342 1342 ± 0.000005343 5.303 5.012/6.166 5.462 ± 0.7738
ea13 1342 1342/1342 1342 ± 0 6.036 5.486/6.332 5.96 ± 0.585
ea14 1342 1342/1342 1342 ± 0 5.904 5.442/6.516 5.902 ± 0.8373
ea15 1342 1342/1342 1342 ± 0.000002257 6.189 5.573/6.599 6.165 ± 0.6959
ea16 1342 1342/1342 1342 ± 0 6.198 5.616/6.729 6.194 ± 0.7195
ea17 1342 1342/1342 1342 ± 0 6.252 5.664/7.092 6.202 ± 0.8839
ea18 1342 1342/1342 1342 ± 0 6.369 5.877/6.991 6.453 ± 0.7237
ea19 1342 1342/1342 1342 ± 0 5.847 5.377/6.456 5.853 ± 0.8185
ea20 1342 1342/1342 1342 ± 0 5.907 5.488/6.416 5.978 ± 0.7104
ea21 1342 1342/1342 1342 ± 0 5.586 5.14/6.037 5.612 ± 0.5426
ea22 1342 1342/1342 1342 ± 0 6.14 5.503/6.647 6.152 ± 0.7373
ea23 1342 1342/1342 1342 ± 0 6.023 5.417/6.376 5.914 ± 0.9027
ea24 1342 1342/1342 1342 ± 0 6.038 5.289/6.447 5.861 ± 0.5964
ea25 1342 1342/1342 1342 ± 0 6.552 5.722/7 6.49 ± 0.855
ea27 1342 1342/1342 1342 ± 0 5.805 5.183/6.488 5.804 ± 0.7289
ea28 1342 1342/1342 1342 ± 0 6.286 5.661/6.928 6.289 ± 0.6556
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 5.455 5.294/5.628 5.463 ± 0.2376
3 1342 1342/1342 1342 ± 0.00003016 4.066 3.652/4.598 4.188 ± 0.7023
4 1342 1342/1342 1342 ± 0.00002408 5.084 4.875/5.35 5.136 ± 0.3078
5 1342 1342/1342 1342 ± 0.00002349 5.303 5.072/5.53 5.279 ± 0.2939
6 1342 1342/1342 1342 ± 0.00002349 5.302 5.068/5.448 5.292 ± 0.2845
7 1342 1342/1342 1342 ± 0.00002349 5.437 5.281/5.606 5.419 ± 0.2457
8 1342 1342/1342 1342 ± 0.00002349 5.386 5.157/5.57 5.374 ± 0.2715
9 1342 1342/1342 1342 ± 0.00002349 5.66 5.566/5.903 5.709 ± 0.2802
10 1342 1342/1342 1342 ± 0.00002349 6.194 6.054/6.307 6.17 ± 0.2527
11 1342 1342/1342 1342 ± 0.00002349 6.375 6.18/6.568 6.378 ± 0.2616
12 1342 1342/1342 1342 ± 0.00002349 6.517 6.323/6.731 6.532 ± 0.3201
13 1342 1342/1342 1342 ± 0.00002349 6.971 6.673/7.214 6.963 ± 0.338
14 1342 1342/1342 1342 ± 0.00002349 7.195 6.911/7.423 7.16 ± 0.357
15 1342 1342/1342 1342 ± 0.00002349 6.836 6.584/7.149 6.849 ± 0.3655
16 1342 1342/1342 1342 ± 0.0000238 6.145 5.892/6.409 6.184 ± 0.4117
17 1342 1342/1342 1342 ± 0.00002359 6.208 5.935/6.378 6.17 ± 0.362
statwtmode
VLASS-SE
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-07-29 12:08:57.032
End
2025-07-29 13:24:47.270
Duration
1:15:50.238
Note, WebLog generation is not included in the time.

CASA logs for stage 8