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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.36 5.124/6.113 5.452 ± 0.9693
ea02 1342 1342/1342 1342 ± 0.00001217 5.662 5.145/6.271 5.571 ± 0.8938
ea03 1342 1342/1342 1342 ± 0.000005004 5.311 5.156/6.604 5.645 ± 0.929
ea04 1342 1342/1342 1342 ± 0.00004744 5.021 4.795/5.917 5.176 ± 0.7667
ea05 1342 1342/1342 1342 ± 0.0000511 5.168 4.949/6.29 5.337 ± 0.9835
ea06 1342 1342/1342 1342 ± 0.00001845 4.805 4.703/5.853 5.22 ± 0.7863
ea07 1342 1342/1342 1342 ± 0.00003914 5.099 4.792/6.153 5.212 ± 1.093
ea08 1342 1342/1342 1342 ± 0.000005562 5.693 5.078/6.632 5.59 ± 1.102
ea09 1342 1342/1342 1342 ± 0.00004561 4.928 4.713/5.861 5.12 ± 0.7628
ea10 1342 1342/1342 1342 ± 0.00005173 4.865 4.509/5.923 5.045 ± 0.8721
ea11 1342 1342/1342 1342 ± 0.00005152 5.132 4.412/6.161 5.057 ± 1.036
ea12 1342 1342/1342 1342 ± 0.00004574 5.037 4.748/5.81 5.127 ± 0.8188
ea14 1342 1342/1342 1342 ± 0.00005122 5.344 5.008/6.331 5.47 ± 0.8887
ea15 1342 1342/1342 1342 ± 0.00005177 5.346 5.028/6.49 5.538 ± 1.024
ea16 1342 1342/1342 1342 ± 0.00001826 5.639 5.174/6.558 5.697 ± 0.9447
ea17 1342 1342/1342 1342 ± 0.00004718 5.476 5.038/6.374 5.509 ± 1.026
ea18 1342 1342/1342 1342 ± 0.000002215 5.6 5.248/6.623 5.722 ± 0.9716
ea19 1342 1342/1342 1342 ± 0.00003647 5.098 4.944/6.166 5.388 ± 0.8391
ea20 1342 1342/1342 1342 ± 0.00004576 5.758 5.466/6.784 5.719 ± 1.078
ea21 1342 1342/1342 1342 ± 0.000009209 5.039 4.913/5.87 5.263 ± 0.7042
ea22 1342 1342/1342 1342 ± 0.000008577 5.478 4.964/6.343 5.359 ± 1.056
ea23 1342 1342/1342 1342 ± 0.00005167 5.426 4.91/6.223 5.44 ± 0.9287
ea24 1342 1342/1342 1342 ± 0.00002147 5.09 4.912/6.386 5.484 ± 0.8708
ea25 1342 1342/1342 1342 ± 0.00001137 5.58 5.39/6.82 5.985 ± 0.9791
ea27 1342 1342/1342 1342 ± 0.00001703 5.124 4.896/6.246 5.401 ± 0.8239
ea28 1342 1342/1342 1342 ± 0.00002175 5.6 5.469/6.678 5.8 ± 0.9408
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 5.017 4.888/5.145 5.044 ± 0.2642
3 1342 1342/1342 1342 ± 0.00004133 3.674 3.179/4.355 3.743 ± 0.6679
4 1342 1342/1342 1342 ± 0.00006078 3.59 3.445/3.775 3.592 ± 0.2267
5 1342 1342/1342 1342 ± 0.0000235 5.087 4.894/5.442 5.145 ± 0.3266
6 1342 1342/1342 1342 ± 0.00002348 5.064 4.803/5.3 5.067 ± 0.2757
7 1342 1342/1342 1342 ± 0.00002348 5.185 4.961/5.371 5.164 ± 0.2544
8 1342 1342/1342 1342 ± 0.00002348 5.157 4.976/5.4 5.164 ± 0.289
9 1342 1342/1342 1342 ± 0.00002348 5.443 5.267/5.678 5.47 ± 0.3027
10 1342 1342/1342 1342 ± 0.00002348 6.007 5.808/6.131 5.991 ± 0.2739
11 1342 1342/1342 1342 ± 0.00002348 6.282 6.112/6.482 6.266 ± 0.2796
12 1342 1342/1342 1342 ± 0.00002348 6.44 6.168/6.606 6.43 ± 0.3199
13 1342 1342/1342 1342 ± 0.00002348 6.778 6.462/7.068 6.773 ± 0.3441
14 1342 1342/1342 1342 ± 0.00004554 6.152 5.881/6.413 6.206 ± 0.4877
15 1342 1342/1342 1342 ± 0.00002348 6.705 6.336/6.986 6.662 ± 0.3571
16 1342 1342/1342 1342 ± 0.0000604 4.255 4.068/4.621 4.398 ± 0.4477
17 1342 1342/1342 1342 ± 0.00006099 4.261 4.068/4.567 4.346 ± 0.3826
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
Start time
2025-08-13 03:03:00.282
End
2025-08-13 03:30:51.747
Duration
0:27:51.465
Note, WebLog generation is not included in the time.

CASA logs for stage 8