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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.531 5.883/7.19 6.46 ± 0.7864
ea03 1342 1342/1342 1342 ± 0 6.202 5.416/6.801 6.089 ± 0.7416
ea04 1342 1342/1342 1342 ± 0 5.933 5.413/6.354 5.986 ± 0.611
ea05 1342 1342/1342 1342 ± 0 6.139 5.752/7.08 6.393 ± 0.7296
ea06 1342 1342/1342 1342 ± 0 6.194 5.672/6.591 6.211 ± 0.583
ea07 1342 1342/1342 1342 ± 0 6.149 5.48/6.266 6.06 ± 0.5965
ea08 1342 1342/1342 1342 ± 0 6.699 5.725/6.895 6.469 ± 0.7332
ea09 1342 1342/1342 1342 ± 0 6.19 5.682/6.979 6.378 ± 0.7432
ea10 1342 1342/1342 1342 ± 0 6.164 5.847/7 6.39 ± 0.6583
ea11 1342 1342/1342 1342 ± 0.000004477 6.212 5.563/6.898 6.306 ± 0.7721
ea12 1342 1342/1342 1342 ± 0 6.347 5.825/6.876 6.443 ± 0.6973
ea13 1342 1342/1342 1342 ± 0 6.028 5.91/6.474 6.223 ± 0.4726
ea14 1342 1342/1342 1342 ± 0 6.216 5.87/6.935 6.427 ± 0.6822
ea15 1342 1342/1342 1342 ± 0 5.237 5.013/5.834 5.418 ± 0.5186
ea16 1342 1342/1342 1342 ± 0 6.445 5.831/6.992 6.475 ± 0.7456
ea17 1342 1342/1342 1342 ± 0 6.596 6.028/7.388 6.746 ± 0.755
ea18 1342 1342/1342 1342 ± 0 5.258 4.926/5.669 5.305 ± 0.4478
ea19 1342 1342/1342 1342 ± 0 6.5 6.106/7.431 6.73 ± 0.7332
ea20 1342 1342/1342 1342 ± 0 5.941 5.805/6.939 6.291 ± 0.6559
ea21 1342 1342/1342 1342 ± 0 5.854 5.621/6.682 6.122 ± 0.6157
ea22 1342 1342/1342 1342 ± 0 6.185 5.428/6.694 6.093 ± 0.6868
ea23 1342 1342/1342 1342 ± 0 6.085 5.878/7.016 6.461 ± 0.7362
ea24 1342 1342/1342 1342 ± 0 6.224 5.324/6.527 6.003 ± 0.6139
ea25 1342 1342/1342 1342 ± 0 6.631 5.779/6.905 6.532 ± 0.7822
ea26 1342 1342/1342 1342 ± 0 6.562 5.991/7.244 6.618 ± 0.7674
ea27 1342 1342/1342 1342 ± 0 6.314 5.813/7.086 6.402 ± 0.7493
ea28 1342 1342/1342 1342 ± 0 6.316 5.93/7.112 6.552 ± 0.7239
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 5.757 5.519/5.941 5.747 ± 0.3372
3 1342 1342/1342 1342 ± 0.0000237 5.461 5.308/5.565 5.417 ± 0.2799
4 1342 1342/1342 1342 ± 0.00003662 5.422 5.295/6.129 5.523 ± 0.5998
5 1342 1342/1342 1342 ± 0.00002305 5.762 5.423/5.879 5.635 ± 0.3439
6 1342 1342/1342 1342 ± 0.00002305 5.712 5.415/5.882 5.653 ± 0.2959
7 1342 1342/1342 1342 ± 0.00002305 5.803 5.509/5.912 5.695 ± 0.3028
8 1342 1342/1342 1342 ± 0.00002305 5.68 5.416/5.919 5.647 ± 0.3365
9 1342 1342/1342 1342 ± 0.00002305 6.09 5.746/6.231 5.965 ± 0.3499
10 1342 1342/1342 1342 ± 0.00002305 6.503 6.21/6.682 6.416 ± 0.3613
11 1342 1342/1342 1342 ± 0.00002305 6.747 6.547/6.938 6.665 ± 0.3807
12 1342 1342/1342 1342 ± 0.00002305 6.911 6.531/7.025 6.807 ± 0.4293
13 1342 1342/1342 1342 ± 0.00002305 7.386 7.081/7.68 7.322 ± 0.4614
14 1342 1342/1342 1342 ± 0.00002305 7.667 7.323/7.869 7.537 ± 0.4576
15 1342 1342/1342 1342 ± 0.00002305 7.111 6.802/7.453 7.067 ± 0.4818
16 1342 1342/1342 1342 ± 0.00002305 6.287 6.096/6.714 6.347 ± 0.4688
17 1342 1342/1342 1342 ± 0.00002305 6.333 6.016/6.518 6.295 ± 0.4428
statwtmode
VLASS-SE
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-06-07 08:50:27.248
End
2025-06-07 09:22:21.750
Duration
0:31:54.502
Note, WebLog generation is not included in the time.

CASA logs for stage 8