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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.394 5.147/6.529 5.643 ± 0.8984
ea02 1342 1342/1342 1342 ± 0.00002186 5.473 5.064/6.272 5.566 ± 0.9426
ea03 1342 1342/1342 1342 ± 0.000001155 5.251 5.029/6.503 5.592 ± 0.8966
ea04 1342 1342/1342 1342 ± 0.00004345 5.027 4.811/5.994 5.255 ± 0.727
ea05 1342 1342/1342 1342 ± 0.00004456 5.192 4.947/6.257 5.431 ± 0.9111
ea06 1342 1342/1342 1342 ± 0.000005885 4.833 4.703/5.772 5.205 ± 0.7578
ea07 1342 1342/1342 1342 ± 0.00003187 4.869 4.724/6.08 5.323 ± 0.9231
ea08 1342 1342/1342 1342 ± 0.000002001 5.405 4.973/6.574 5.699 ± 0.9577
ea09 1342 1342/1342 1342 ± 0.00004326 4.945 4.695/5.997 5.172 ± 0.7728
ea10 1342 1342/1342 1342 ± 0.00004498 4.766 4.371/5.862 5.023 ± 0.7881
ea11 1342 1342/1342 1342 ± 0.00004617 5.092 4.501/6.196 5.242 ± 0.9252
ea12 1342 1342/1342 1342 ± 0.0000417 5.005 4.773/5.998 5.275 ± 0.6787
ea14 1342 1342/1342 1342 ± 0.00004383 5.401 4.995/6.354 5.604 ± 0.7452
ea15 1342 1342/1342 1342 ± 0.00004437 5.243 4.897/6.377 5.565 ± 0.9218
ea16 1342 1342/1342 1342 ± 0.000006107 5.507 5.049/6.449 5.638 ± 0.9358
ea17 1342 1342/1342 1342 ± 0.0000414 5.331 4.966/6.509 5.625 ± 0.8745
ea18 1342 1342/1342 1342 ± 0 5.432 5.161/6.798 5.803 ± 0.8736
ea19 1342 1342/1342 1342 ± 0.00003361 5.186 5.016/6.378 5.505 ± 0.8004
ea21 1342 1342/1342 1342 ± 0.000001155 4.831 4.676/5.663 5.072 ± 0.6966
ea22 1342 1342/1342 1342 ± 0.000003831 5.398 4.856/6.455 5.54 ± 0.8437
ea23 1342 1342/1342 1342 ± 0.00004371 5.356 4.939/6.276 5.58 ± 0.8242
ea24 1342 1342/1342 1342 ± 0.00002163 5.11 4.921/6.441 5.519 ± 0.8353
ea25 1342 1342/1342 1342 ± 0.000001634 5.555 5.21/6.647 5.847 ± 0.9712
ea27 1342 1342/1342 1342 ± 0.00001055 5.056 4.854/6.322 5.449 ± 0.8211
ea28 1342 1342/1342 1342 ± 0.00002896 5.475 5.368/6.867 5.838 ± 0.9315
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 ± 0.00002392 4.995 4.833/5.143 4.951 ± 0.3052
4 1342 1342/1342 1342 ± 0.00004578 3.783 3.619/4.039 3.852 ± 0.3
5 1342 1342/1342 1342 ± 0.00002392 5.028 4.773/5.325 5.034 ± 0.2849
6 1342 1342/1342 1342 ± 0.00002392 5.02 4.82/5.261 5.018 ± 0.2578
7 1342 1342/1342 1342 ± 0.00002392 5.089 4.946/5.221 5.073 ± 0.2226
8 1342 1342/1342 1342 ± 0.00002392 5.03 4.877/5.2 5.031 ± 0.247
9 1342 1342/1342 1342 ± 0.00002392 5.394 5.204/5.604 5.357 ± 0.2565
10 1342 1342/1342 1342 ± 0.00002392 5.924 5.801/6.067 5.906 ± 0.2518
11 1342 1342/1342 1342 ± 0.00002392 6.209 6.021/6.306 6.164 ± 0.2604
12 1342 1342/1342 1342 ± 0.00002392 6.357 6.093/6.508 6.329 ± 0.304
13 1342 1342/1342 1342 ± 0.00002392 6.742 6.551/6.982 6.736 ± 0.3087
14 1342 1342/1342 1342 ± 0.00002491 6.636 6.285/6.841 6.641 ± 0.4075
15 1342 1342/1342 1342 ± 0.00002392 6.696 6.298/6.948 6.631 ± 0.3665
16 1342 1342/1342 1342 ± 0.00006074 4.705 4.574/4.865 4.746 ± 0.2635
17 1342 1342/1342 1342 ± 0.00006101 4.703 4.548/4.895 4.737 ± 0.2745
statwtmode
VLASS-SE
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-23 02:57:02.629
End
2025-07-23 03:55:22.379
Duration
0:58:19.751
Note, WebLog generation is not included in the time.

CASA logs for stage 8