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

Statwt Summary Plot

VLASS2.1.sb38537053.eb38580096.59080.031941134264_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 5.357 4.819/5.838 5.359 ± 0.7351
ea02 1342 1342/1342 1342 ± 0 5.608 4.999/6.227 5.584 ± 0.807
ea04 1342 1342/1342 1342 ± 0 5.197 4.647/5.898 5.327 ± 0.7215
ea05 1342 1342/1342 1342 ± 0 5.491 4.86/6.135 5.532 ± 0.7588
ea06 1342 1342/1342 1342 ± 0 4.883 4.501/5.374 4.968 ± 0.5314
ea07 1342 1342/1342 1342 ± 0 5.546 4.83/5.92 5.513 ± 0.7508
ea08 1342 1342/1342 1342 ± 0 5.643 5.167/6.402 5.747 ± 0.8247
ea09 1342 1342/1342 1342 ± 0 5.509 4.828/6.21 5.446 ± 0.7973
ea11 1342 1342/1342 1342 ± 0 5.597 4.736/6.143 5.549 ± 0.7718
ea12 1342 1342/1342 1342 ± 0 5.49 4.861/6.189 5.585 ± 0.7908
ea13 1342 1342/1342 1342 ± 0 5.665 5.253/6.192 5.774 ± 0.6956
ea14 1342 1342/1342 1342 ± 0 5.656 4.752/6.301 5.624 ± 0.8594
ea15 1342 1342/1342 1342 ± 0 5.397 4.801/6.064 5.476 ± 0.7872
ea16 1342 1342/1342 1342 ± 0 5.855 5.217/6.507 5.871 ± 0.9015
ea17 1342 1342/1342 1342 ± 0.00001348 5.715 5.019/6.485 5.764 ± 0.8431
ea18 1342 1342/1342 1342 ± 0 4.897 4.342/5.441 4.956 ± 0.6332
ea19 1342 1342/1342 1342 ± 0 5.754 5.147/6.463 5.833 ± 0.8094
ea20 1342 1342/1342 1342 ± 0 5.846 5.005/6.514 5.848 ± 0.844
ea21 1342 1342/1342 1342 ± 0 5.522 4.825/6.094 5.53 ± 0.7357
ea22 1342 1342/1342 1342 ± 0 5.305 4.827/6.242 5.512 ± 0.8192
ea23 1342 1342/1342 1342 ± 0 5.731 4.892/6.244 5.718 ± 0.8667
ea25 1342 1342/1342 1342 ± 0 5.38 4.775/5.976 5.439 ± 0.7135
ea26 1342 1342/1342 1342 ± 0 5.439 5.037/6.136 5.572 ± 0.7292
ea27 1342 1342/1342 1342 ± 0.00002855 5.354 4.763/6.162 5.414 ± 0.7662
ea28 1342 1342/1342 1342 ± 0.000008184 5.565 4.906/6.305 5.592 ± 0.785
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 ± 0.00002397 4.522 4.454/4.645 4.555 ± 0.1445
3 1342 1342/1342 1342 ± 0.00002397 4.518 4.411/4.618 4.52 ± 0.1839
4 1342 1342/1342 1342 ± 0.00002445 4.633 4.522/4.775 4.62 ± 0.2812
5 1342 1342/1342 1342 ± 0.00002397 4.804 4.66/4.902 4.811 ± 0.2237
6 1342 1342/1342 1342 ± 0.00002397 4.886 4.786/5.047 4.902 ± 0.2229
7 1342 1342/1342 1342 ± 0.00002397 5.004 4.921/5.177 5.021 ± 0.2058
8 1342 1342/1342 1342 ± 0.00002397 5.077 4.907/5.218 5.05 ± 0.2311
9 1342 1342/1342 1342 ± 0.00002397 5.381 5.251/5.58 5.355 ± 0.2671
10 1342 1342/1342 1342 ± 0.00002397 5.87 5.732/5.981 5.824 ± 0.2685
11 1342 1342/1342 1342 ± 0.00002397 6.118 5.969/6.195 6.044 ± 0.2766
12 1342 1342/1342 1342 ± 0.00002397 6.23 6.054/6.346 6.205 ± 0.2967
13 1342 1342/1342 1342 ± 0.00002397 6.674 6.608/6.805 6.672 ± 0.3215
14 1342 1342/1342 1342 ± 0.00002397 6.935 6.725/7.082 6.857 ± 0.3498
15 1342 1342/1342 1342 ± 0.00002397 6.542 6.376/6.724 6.494 ± 0.3493
16 1342 1342/1342 1342 ± 0.00002721 5.835 5.597/6.071 5.845 ± 0.3391
17 1342 1342/1342 1342 ± 0.00003236 5.812 5.648/6.109 5.868 ± 0.3079
vis
VLASS2.1.sb38537053.eb38580096.59080.031941134264_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-04-12 08:06:33.494
End
2025-04-12 08:36:13.160
Duration
0:29:39.666
Note, WebLog generation is not included in the time.

CASA logs for stage 8