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 5.42 5.23/6.485 5.729 ± 0.8443
ea02 1342 1342/1342 1342 ± 0.000001707 5.574 5.138/6.272 5.683 ± 0.8365
ea03 1342 1342/1342 1342 ± 0 5.742 5.033/6.528 5.718 ± 0.8654
ea04 1342 1342/1342 1342 ± 0.00004618 5.038 4.808/5.885 5.221 ± 0.7622
ea05 1342 1342/1342 1342 ± 0.00004014 5.222 5.031/6.321 5.523 ± 0.8999
ea06 1342 1342/1342 1342 ± 0 5.298 4.747/5.87 5.368 ± 0.7762
ea07 1342 1342/1342 1342 ± 0.000001169 4.999 4.861/6.092 5.346 ± 0.9634
ea08 1342 1342/1342 1342 ± 0 5.528 5.313/6.598 5.836 ± 0.8668
ea09 1342 1342/1342 1342 ± 0.00003999 4.895 4.697/6.065 5.21 ± 0.7558
ea10 1342 1342/1342 1342 ± 0.00004174 4.933 4.714/6.063 5.244 ± 0.8167
ea11 1342 1342/1342 1342 ± 0.00004136 5.146 4.586/6.229 5.248 ± 1.005
ea12 1342 1342/1342 1342 ± 0.00003143 5.044 4.806/5.858 5.259 ± 0.7621
ea14 1342 1342/1342 1342 ± 0.00004135 5.494 5.285/6.431 5.744 ± 0.7835
ea15 1342 1342/1342 1342 ± 0.0000415 5.552 5.321/6.504 5.792 ± 0.9072
ea16 1342 1342/1342 1342 ± 0 5.619 5.277/6.486 5.764 ± 0.8887
ea17 1342 1342/1342 1342 ± 0.00002012 5.492 5.08/6.458 5.659 ± 0.9709
ea18 1342 1342/1342 1342 ± 0 5.703 5.28/6.538 5.801 ± 0.8725
ea19 1342 1342/1342 1342 ± 0.00001294 5.175 4.924/6.199 5.462 ± 0.858
ea20 1342 1342/1342 1342 ± 0.00003275 5.67 5.39/6.795 5.876 ± 1
ea21 1342 1342/1342 1342 ± 0 5.04 4.821/5.789 5.255 ± 0.6627
ea22 1342 1342/1342 1342 ± 0 5.362 5.007/6.317 5.534 ± 0.929
ea23 1342 1342/1342 1342 ± 0.0000415 5.448 5.094/6.263 5.679 ± 0.8149
ea24 1342 1342/1342 1342 ± 0.000004001 5.381 4.949/6.473 5.576 ± 0.8569
ea25 1342 1342/1342 1342 ± 0 5.978 5.306/6.734 6.026 ± 0.9408
ea27 1342 1342/1342 1342 ± 0 5.294 4.963/6.279 5.509 ± 0.7633
ea28 1342 1342/1342 1342 ± 0.00001165 5.566 5.336/6.835 5.874 ± 0.878
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 ± 0.00002349 5.079 4.891/5.191 5.072 ± 0.2565
3 1342 1342/1342 1342 ± 0.00003513 4.076 3.742/4.476 4.124 ± 0.4401
4 1342 1342/1342 1342 ± 0.00002511 3.844 3.726/3.992 3.865 ± 0.2306
5 1342 1342/1342 1342 ± 0.00002349 5.091 4.817/5.313 5.08 ± 0.293
6 1342 1342/1342 1342 ± 0.00002349 4.974 4.809/5.307 5.043 ± 0.2648
7 1342 1342/1342 1342 ± 0.00002349 5.141 4.901/5.309 5.129 ± 0.2456
8 1342 1342/1342 1342 ± 0.00002349 5.116 4.923/5.331 5.121 ± 0.2843
9 1342 1342/1342 1342 ± 0.00002349 5.457 5.231/5.656 5.45 ± 0.2902
10 1342 1342/1342 1342 ± 0.00002349 6.076 5.826/6.151 5.995 ± 0.2663
11 1342 1342/1342 1342 ± 0.00002349 6.237 6.071/6.391 6.219 ± 0.2668
12 1342 1342/1342 1342 ± 0.00002349 6.445 6.134/6.567 6.386 ± 0.303
13 1342 1342/1342 1342 ± 0.00002349 6.833 6.583/7.033 6.834 ± 0.3149
14 1342 1342/1342 1342 ± 0.00002349 6.935 6.728/7.132 6.901 ± 0.3329
15 1342 1342/1342 1342 ± 0.00002349 6.698 6.333/6.915 6.634 ± 0.3385
16 1342 1342/1342 1342 ± 0.00005887 5.288 5.061/5.527 5.321 ± 0.3515
17 1342 1342/1342 1342 ± 0.00006042 5.087 4.916/5.318 5.154 ± 0.3223
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-07-22 02:24:53.757
End
2025-07-22 03:22:40.808
Duration
0:57:47.052
Note, WebLog generation is not included in the time.

CASA logs for stage 8