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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.997 5.821/6.735 6.263 ± 0.576
ea02 1342 1342/1342 1342 ± 0 6.227 5.856/6.95 6.394 ± 0.6437
ea03 1342 1342/1342 1342 ± 0.000004582 5.369 5.183/6.592 5.772 ± 0.6979
ea04 1342 1342/1342 1342 ± 0 5.95 5.426/6.631 6.047 ± 0.6505
ea06 1342 1342/1342 1342 ± 0 6.346 5.624/6.604 6.194 ± 0.6123
ea07 1342 1342/1342 1342 ± 0 5.976 5.427/6.108 5.92 ± 0.4837
ea08 1342 1342/1342 1342 ± 0 6.204 5.813/6.986 6.449 ± 0.619
ea09 1342 1342/1342 1342 ± 0 6.056 5.549/6.826 6.157 ± 0.6627
ea10 1342 1342/1342 1342 ± 0.000006575 6.072 5.611/6.725 6.163 ± 0.5727
ea11 1342 1342/1342 1342 ± 0 6.324 5.696/6.948 6.419 ± 0.701
ea12 1342 1342/1342 1342 ± 0 6.268 5.746/6.868 6.362 ± 0.6561
ea13 1342 1342/1342 1342 ± 0 6.236 5.821/6.765 6.391 ± 0.5391
ea14 1342 1342/1342 1342 ± 0 6.355 5.686/6.718 6.274 ± 0.692
ea15 1342 1342/1342 1342 ± 0 6.21 5.58/6.654 6.159 ± 0.6949
ea16 1342 1342/1342 1342 ± 0 6.293 5.806/6.72 6.35 ± 0.6282
ea17 1342 1342/1342 1342 ± 0 6.659 6.275/7.559 6.855 ± 0.6555
ea18 1342 1342/1342 1342 ± 0 4.939 4.62/5.301 4.968 ± 0.4185
ea19 1342 1342/1342 1342 ± 0 6.508 5.908/7.029 6.507 ± 0.6331
ea20 1342 1342/1342 1342 ± 0 6.142 5.886/7.067 6.4 ± 0.625
ea21 1342 1342/1342 1342 ± 0 6.039 5.704/6.698 6.241 ± 0.5732
ea22 1342 1342/1342 1342 ± 0 6.539 5.751/6.887 6.39 ± 0.6471
ea23 1342 1342/1342 1342 ± 0 6.266 5.88/6.908 6.457 ± 0.6871
ea24 1342 1342/1342 1342 ± 0 6.044 5.47/6.701 6.037 ± 0.6211
ea25 1342 1342/1342 1342 ± 0 6.17 5.428/6.494 6.073 ± 0.7116
ea26 1342 1342/1342 1342 ± 0 6.278 5.761/7.067 6.384 ± 0.6483
ea27 1342 1342/1342 1342 ± 0 5.952 5.76/6.964 6.267 ± 0.6703
ea28 1342 1342/1342 1342 ± 0 5.969 5.732/6.876 6.289 ± 0.6618
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 ± 0.00002306 5.71 5.613/5.867 5.684 ± 0.3124
4 1342 1342/1342 1342 ± 0.00002464 5.495 5.174/5.617 5.42 ± 0.4185
5 1342 1342/1342 1342 ± 0.00002306 5.756 5.466/5.982 5.7 ± 0.366
6 1342 1342/1342 1342 ± 0.00002306 5.609 5.482/5.813 5.609 ± 0.3115
7 1342 1342/1342 1342 ± 0.00002306 5.705 5.562/5.877 5.685 ± 0.3051
8 1342 1342/1342 1342 ± 0.00002306 5.647 5.427/5.814 5.629 ± 0.3216
9 1342 1342/1342 1342 ± 0.00002306 5.968 5.819/6.118 5.933 ± 0.3482
10 1342 1342/1342 1342 ± 0.00002306 6.417 6.22/6.589 6.367 ± 0.3579
11 1342 1342/1342 1342 ± 0.00002306 6.665 6.469/6.809 6.592 ± 0.3709
12 1342 1342/1342 1342 ± 0.00002306 6.739 6.629/6.942 6.73 ± 0.3943
13 1342 1342/1342 1342 ± 0.00002306 7.24 7.012/7.414 7.18 ± 0.4199
14 1342 1342/1342 1342 ± 0.00002306 7.469 7.236/7.568 7.367 ± 0.404
15 1342 1342/1342 1342 ± 0.00002306 7.056 6.88/7.226 6.998 ± 0.3919
16 1342 1342/1342 1342 ± 0.00002309 6.264 6.072/6.487 6.249 ± 0.389
17 1342 1342/1342 1342 ± 0.00002374 6.234 6.009/6.441 6.177 ± 0.3894
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
Start time
2025-05-14 10:20:31.345
End
2025-05-14 11:30:39.499
Duration
1:10:08.154
Note, WebLog generation is not included in the time.

CASA logs for stage 8