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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.098 5.735/6.675 6.259 ± 0.6078
ea02 1342 1342/1342 1342 ± 0.00002955 6.155 5.514/6.706 6.081 ± 0.8894
ea03 1342 1342/1342 1342 ± 0 5.575 5.186/6.505 5.734 ± 0.8338
ea04 1342 1342/1342 1342 ± 0 5.772 5.313/6.5 5.892 ± 0.6027
ea06 1342 1342/1342 1342 ± 0.000003028 6.165 5.68/6.639 6.231 ± 0.6072
ea07 1342 1342/1342 1342 ± 0 6.1 5.529/6.49 6.131 ± 0.6141
ea08 1342 1342/1342 1342 ± 0.000001071 6.126 5.769/6.887 6.369 ± 0.7157
ea09 1342 1342/1342 1342 ± 0 6.051 5.504/6.824 6.141 ± 0.6989
ea10 1342 1342/1342 1342 ± 0 6.158 5.538/6.773 6.122 ± 0.7213
ea11 1342 1342/1342 1342 ± 0 6.284 5.487/6.742 6.205 ± 0.757
ea12 1342 1342/1342 1342 ± 0 6.131 5.616/6.718 6.234 ± 0.7532
ea13 1342 1342/1342 1342 ± 0 6.028 5.682/6.514 6.147 ± 0.5788
ea14 1342 1342/1342 1342 ± 0 6.42 5.703/6.902 6.413 ± 0.7035
ea15 1342 1342/1342 1342 ± 0 5.648 5.071/5.995 5.577 ± 0.699
ea16 1342 1342/1342 1342 ± 0 6.224 5.794/6.838 6.355 ± 0.735
ea17 1342 1342/1342 1342 ± 0 6.562 6.22/7.392 6.794 ± 0.685
ea18 1342 1342/1342 1342 ± 0 4.55 4.291/4.949 4.64 ± 0.4322
ea19 1342 1342/1342 1342 ± 0 6.348 5.86/6.975 6.481 ± 0.723
ea20 1342 1342/1342 1342 ± 0 6.033 5.715/6.757 6.169 ± 0.7628
ea21 1342 1342/1342 1342 ± 0 6.049 5.695/6.655 6.203 ± 0.6246
ea22 1342 1342/1342 1342 ± 0 6.399 5.587/6.819 6.268 ± 0.732
ea23 1342 1342/1342 1342 ± 0 6.273 5.76/6.714 6.294 ± 0.7976
ea24 1342 1342/1342 1342 ± 0 5.958 5.257/6.426 5.871 ± 0.5749
ea25 1342 1342/1342 1342 ± 0 6.667 5.82/7.168 6.585 ± 0.812
ea26 1342 1342/1342 1342 ± 0 6.459 5.919/7.238 6.523 ± 0.7146
ea27 1342 1342/1342 1342 ± 0 6.037 5.58/6.903 6.179 ± 0.783
ea28 1342 1342/1342 1342 ± 0 6.173 5.846/6.971 6.396 ± 0.7929
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 5.714 5.534/5.944 5.657 ± 0.3511
3 1342 1342/1342 1342 ± 0.00002661 4.954 4.574/5.399 4.958 ± 0.6182
4 1342 1342/1342 1342 ± 0.00002436 5.532 5.311/5.645 5.453 ± 0.454
5 1342 1342/1342 1342 ± 0.00002306 5.722 5.393/5.835 5.609 ± 0.4039
6 1342 1342/1342 1342 ± 0.00002306 5.628 5.385/5.8 5.554 ± 0.3404
7 1342 1342/1342 1342 ± 0.00002306 5.699 5.464/5.806 5.607 ± 0.3447
8 1342 1342/1342 1342 ± 0.00002306 5.596 5.369/5.795 5.552 ± 0.3803
9 1342 1342/1342 1342 ± 0.00002306 5.963 5.733/6.113 5.872 ± 0.4083
10 1342 1342/1342 1342 ± 0.00002306 6.457 6.256/6.541 6.32 ± 0.4231
11 1342 1342/1342 1342 ± 0.00002306 6.648 6.453/6.79 6.549 ± 0.4292
12 1342 1342/1342 1342 ± 0.00002306 6.798 6.585/6.845 6.69 ± 0.4643
13 1342 1342/1342 1342 ± 0.00002306 7.269 7.022/7.501 7.192 ± 0.4972
14 1342 1342/1342 1342 ± 0.00002306 7.496 7.343/7.764 7.42 ± 0.5094
15 1342 1342/1342 1342 ± 0.00002306 7.107 6.945/7.349 7.054 ± 0.4774
16 1342 1342/1342 1342 ± 0.00002317 6.364 6.147/6.689 6.362 ± 0.4671
17 1342 1342/1342 1342 ± 0.00002307 6.434 6.103/6.625 6.318 ± 0.4768
datacolumn
residual_data
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-05-23 17:16:19.411
End
2025-05-23 18:34:51.773
Duration
1:18:32.362
Note, WebLog generation is not included in the time.

CASA logs for stage 8