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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.675 5.364/6.193 5.764 ± 0.5372
ea02 1342 1342/1342 1342 ± 0 6.291 5.682/6.502 6.258 ± 0.6121
ea03 1342 1342/1342 1342 ± 0 6.369 5.451/6.778 6.243 ± 0.7191
ea04 1342 1342/1342 1342 ± 0.00002953 5.682 5.275/6.183 5.756 ± 0.5671
ea05 1342 1342/1342 1342 ± 0.00002591 5.705 5.424/6.638 5.969 ± 0.6536
ea06 1342 1342/1342 1342 ± 0 6.057 5.099/6.241 5.821 ± 0.6397
ea07 1342 1342/1342 1342 ± 0 6.165 5.251/6.342 5.989 ± 0.7189
ea08 1342 1342/1342 1342 ± 0 6.536 5.713/6.914 6.45 ± 0.6656
ea09 1342 1342/1342 1342 ± 0.000008167 5.621 5.188/6.467 5.749 ± 0.6659
ea10 1342 1342/1342 1342 ± 0 5.534 5.159/6.133 5.613 ± 0.5746
ea11 1342 1342/1342 1342 ± 0.00004091 5.38 5.085/6.25 5.632 ± 0.6598
ea12 1342 1342/1342 1342 ± 0.00001951 5.616 5.357/6.354 5.86 ± 0.5836
ea13 1342 1342/1342 1342 ± 0 5.993 5.645/6.544 6.101 ± 0.6713
ea14 1342 1342/1342 1342 ± 0.000002773 5.936 5.654/6.686 6.19 ± 0.596
ea15 1342 1342/1342 1342 ± 0.00003557 5.912 5.545/6.655 6.134 ± 0.7231
ea17 1342 1342/1342 1342 ± 0 6.287 5.814/7.13 6.396 ± 0.6983
ea18 1342 1342/1342 1342 ± 0 6.549 5.896/7.196 6.498 ± 0.7112
ea19 1342 1342/1342 1342 ± 0 6.043 5.428/6.575 6.051 ± 0.6103
ea20 1342 1342/1342 1342 ± 0 5.803 5.606/6.744 6.088 ± 0.64
ea21 1342 1342/1342 1342 ± 0 5.473 5.069/5.948 5.552 ± 0.5194
ea22 1342 1342/1342 1342 ± 0 6.599 6.08/7.007 6.611 ± 0.6411
ea23 1342 1342/1342 1342 ± 0 5.788 5.441/6.341 5.983 ± 0.6518
ea24 1342 1342/1342 1342 ± 0 6.097 5.249/6.648 5.954 ± 0.7358
ea25 1342 1342/1342 1342 ± 0 6.611 5.692/7.014 6.528 ± 0.8079
ea28 1342 1342/1342 1342 ± 0 6.098 5.727/7.043 6.329 ± 0.6782
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 ± 0.00002408 5.55 5.27/5.671 5.476 ± 0.2801
4 1342 1342/1342 1342 ± 0.00002923 5.081 4.962/5.301 5.133 ± 0.3348
5 1342 1342/1342 1342 ± 0.00002408 5.409 5.229/5.612 5.437 ± 0.2977
6 1342 1342/1342 1342 ± 0.00002408 5.391 5.193/5.642 5.392 ± 0.2875
7 1342 1342/1342 1342 ± 0.00002408 5.471 5.379/5.668 5.479 ± 0.2536
8 1342 1342/1342 1342 ± 0.00002408 5.449 5.232/5.61 5.424 ± 0.2712
9 1342 1342/1342 1342 ± 0.00002408 5.713 5.555/5.941 5.742 ± 0.2949
10 1342 1342/1342 1342 ± 0.00002394 6.224 6.045/6.425 6.213 ± 0.2751
11 1342 1342/1342 1342 ± 0.00002394 6.46 6.197/6.649 6.424 ± 0.2969
12 1342 1342/1342 1342 ± 0.00002394 6.576 6.333/6.781 6.57 ± 0.3358
13 1342 1342/1342 1342 ± 0.00002394 7.084 6.725/7.31 7.027 ± 0.3484
14 1342 1342/1342 1342 ± 0.00002394 7.228 6.952/7.477 7.193 ± 0.3729
15 1342 1342/1342 1342 ± 0.00002394 6.873 6.611/7.169 6.877 ± 0.3682
16 1342 1342/1342 1342 ± 0.00003764 5.994 5.736/6.431 6.095 ± 0.4695
17 1342 1342/1342 1342 ± 0.00004747 6.031 5.701/6.292 5.994 ± 0.4519
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-19 04:18:54.293
End
2025-07-19 04:54:25.328
Duration
0:35:31.036
Note, WebLog generation is not included in the time.

CASA logs for stage 8