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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 6.176 5.807/6.782 6.292 ± 0.6336
ea02 1342 1342/1342 1342 ± 0.00001997 6.394 5.735/6.559 6.323 ± 0.6451
ea03 1342 1342/1342 1342 ± 0 6.483 5.538/6.933 6.361 ± 0.7632
ea04 1342 1342/1342 1342 ± 0.00002865 5.793 5.254/6.324 5.821 ± 0.6206
ea05 1342 1342/1342 1342 ± 0.00003023 5.831 5.567/6.865 6.12 ± 0.683
ea06 1342 1342/1342 1342 ± 0 6.173 5.2/6.339 5.933 ± 0.6783
ea07 1342 1342/1342 1342 ± 0 6.31 5.365/6.593 6.099 ± 0.8014
ea08 1342 1342/1342 1342 ± 0 6.508 5.746/6.996 6.494 ± 0.7498
ea09 1342 1342/1342 1342 ± 0.000005461 5.709 5.187/6.564 5.8 ± 0.6881
ea10 1342 1342/1342 1342 ± 0 5.889 5.466/6.475 5.959 ± 0.6263
ea11 1342 1342/1342 1342 ± 0.00003894 5.629 5.156/6.655 5.863 ± 0.7976
ea12 1342 1342/1342 1342 ± 0.000005166 5.628 5.401/6.463 5.893 ± 0.6709
ea14 1342 1342/1342 1342 ± 0.000001711 5.898 5.636/6.661 6.083 ± 0.716
ea15 1342 1342/1342 1342 ± 0.00003382 5.875 5.529/6.598 6.081 ± 0.7154
ea16 1342 1342/1342 1342 ± 0 6.346 5.755/6.861 6.399 ± 0.7254
ea17 1342 1342/1342 1342 ± 0 6.381 5.855/7.23 6.494 ± 0.7119
ea18 1342 1342/1342 1342 ± 0 6.662 5.935/7.366 6.597 ± 0.7744
ea19 1342 1342/1342 1342 ± 0 6.178 5.611/6.87 6.161 ± 0.7237
ea20 1342 1342/1342 1342 ± 0 6.229 6.003/7.193 6.501 ± 0.7307
ea21 1342 1342/1342 1342 ± 0 5.59 5.108/6.031 5.635 ± 0.5565
ea22 1342 1342/1342 1342 ± 0 6.144 5.473/6.596 6.021 ± 0.6773
ea23 1342 1342/1342 1342 ± 0 6.015 5.578/6.531 6.163 ± 0.6846
ea24 1342 1342/1342 1342 ± 0 6.345 5.312/6.714 6.058 ± 0.7991
ea25 1342 1342/1342 1342 ± 0 6.617 5.749/7.195 6.618 ± 0.8637
ea27 1342 1342/1342 1342 ± 0 6.227 5.525/6.758 6.165 ± 0.678
ea28 1342 1342/1342 1342 ± 0 6.294 5.683/7.059 6.361 ± 0.7128
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 ± 0.00002348 5.541 5.39/5.79 5.55 ± 0.292
3 1342 1342/1342 1342 ± 0.00003748 4.974 4.713/5.232 5.001 ± 0.3395
4 1342 1342/1342 1342 ± 0.00003094 5.304 5.021/5.489 5.283 ± 0.3471
5 1342 1342/1342 1342 ± 0.00002348 5.554 5.224/5.755 5.515 ± 0.3042
6 1342 1342/1342 1342 ± 0.00002348 5.529 5.291/5.739 5.514 ± 0.257
7 1342 1342/1342 1342 ± 0.00002348 5.568 5.402/5.752 5.56 ± 0.2347
8 1342 1342/1342 1342 ± 0.00002348 5.507 5.203/5.693 5.496 ± 0.2878
9 1342 1342/1342 1342 ± 0.00002348 5.844 5.658/6.024 5.834 ± 0.2949
10 1342 1342/1342 1342 ± 0.00002348 6.348 6.219/6.425 6.323 ± 0.2627
11 1342 1342/1342 1342 ± 0.00002348 6.607 6.348/6.685 6.56 ± 0.2699
12 1342 1342/1342 1342 ± 0.00002348 6.723 6.535/6.933 6.733 ± 0.3118
13 1342 1342/1342 1342 ± 0.00002348 7.228 6.958/7.486 7.228 ± 0.3286
14 1342 1342/1342 1342 ± 0.00002348 7.361 7.15/7.611 7.391 ± 0.3521
15 1342 1342/1342 1342 ± 0.00002348 7.087 6.788/7.327 7.075 ± 0.3373
16 1342 1342/1342 1342 ± 0.00003807 6.237 5.879/6.614 6.28 ± 0.4328
17 1342 1342/1342 1342 ± 0.00003884 6.188 5.863/6.475 6.175 ± 0.4122
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
overwrite_modelcol
False
Start time
2025-07-31 02:47:31.418
End
2025-07-31 03:38:15.354
Duration
0:50:43.936
Note, WebLog generation is not included in the time.

CASA logs for stage 8