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

Statwt Summary Plot

VLASS2.1.sb38547417.eb38659598.59111.3291737963_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 5.489 5.414/6.236 5.748 ± 0.6648
ea02 1342 1342/1342 1342 ± 0.00004228 6.005 5.51/6.732 6.059 ± 0.8371
ea04 1342 1342/1342 1342 ± 0 5.343 5.099/6.045 5.544 ± 0.6331
ea05 1342 1342/1342 1342 ± 0.000008359 5.625 5.272/6.596 5.887 ± 0.7305
ea06 1342 1342/1342 1342 ± 0 4.983 4.789/5.373 5.016 ± 0.4731
ea07 1342 1342/1342 1342 ± 0.0000422 5.994 5.525/6.368 6.05 ± 0.7897
ea08 1342 1342/1342 1342 ± 0.00004272 6.114 5.73/6.953 6.262 ± 0.8649
ea09 1342 1342/1342 1342 ± 0 5.67 5.308/6.566 5.79 ± 0.7994
ea10 1342 1342/1342 1342 ± 0.00004272 5.917 5.436/6.841 6.065 ± 0.8352
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000003134 5.718 5.455/6.602 5.939 ± 0.8406
ea13 1342 1342/1342 1342 ± 0 6.128 5.966/6.605 6.208 ± 0.7591
ea14 1342 1342/1342 1342 ± 0.000008844 5.642 5.309/6.547 5.959 ± 0.7381
ea15 1342 1342/1342 1342 ± 0 5.673 5.445/6.542 5.967 ± 0.8029
ea16 1342 1342/1342 1342 ± 0.00001541 6.099 5.683/6.946 6.31 ± 0.8546
ea17 1342 1342/1342 1342 ± 0.00004272 5.939 5.65/7.143 6.145 ± 0.8276
ea18 1342 1342/1342 1342 ± 0.00001907 5.031 4.728/5.683 5.159 ± 0.6067
ea19 1342 1342/1342 1342 ± 0 5.928 5.72/6.964 6.257 ± 0.7888
ea20 1342 1342/1342 1342 ± 0.000006693 5.942 5.808/6.957 6.191 ± 0.873
ea21 1342 1342/1342 1342 ± 0.00001236 5.693 5.384/6.531 5.948 ± 0.7269
ea22 1342 1342/1342 1342 ± 0.00003353 5.442 5.069/6.313 5.612 ± 0.8024
ea23 1342 1342/1342 1342 ± 0.00003796 5.85 5.628/6.746 6.142 ± 0.8766
ea25 1342 1342/1342 1342 ± 0.00003771 5.636 5.41/6.504 5.817 ± 0.7952
ea26 1342 1342/1342 1342 ± 0 6.039 5.86/7.107 6.286 ± 0.8494
ea27 1342 1342/1342 1342 ± 0.00004272 5.655 5.241/6.584 5.856 ± 0.7445
ea28 1342 1342/1342 1342 ± 0.00004272 5.796 5.581/6.739 6.067 ± 0.8211
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 ± 0.00002398 5.589 5.412/5.835 5.58 ± 0.2883
5 1342 1342/1342 1342 ± 0.00002398 5.619 5.315/5.769 5.561 ± 0.3364
6 1342 1342/1342 1342 ± 0.00002421 5.528 5.335/5.68 5.507 ± 0.3303
7 1342 1342/1342 1342 ± 0.00002398 5.525 5.406/5.721 5.511 ± 0.2861
8 1342 1342/1342 1342 ± 0.00002398 5.528 5.277/5.676 5.465 ± 0.3144
9 1342 1342/1342 1342 ± 0.00002398 5.755 5.608/6.008 5.728 ± 0.3476
10 1342 1342/1342 1342 ± 0.00002398 6.192 6.042/6.352 6.139 ± 0.3534
11 1342 1342/1342 1342 ± 0.00002398 6.502 6.278/6.609 6.385 ± 0.364
12 1342 1342/1342 1342 ± 0.00002398 6.585 6.481/6.801 6.503 ± 0.5199
13 1342 1342/1342 1342 ± 0.00002398 7.104 6.976/7.279 7.044 ± 0.4276
14 1342 1342/1342 1342 ± 0.00002398 7.284 6.965/7.489 7.207 ± 0.4823
15 1342 1342/1342 1342 ± 0.00002398 6.972 6.764/7.213 6.885 ± 0.5143
16 1342 1342/1342 1342 ± 0.0000607 4.732 4.568/4.876 4.718 ± 0.2585
17 1342 1342/1342 1342 ± 0.00005964 4.843 4.679/4.954 4.809 ± 0.2676
vis
VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-19 10:35:10.311
End
2024-11-19 11:37:33.975
Duration
1:02:23.665
Note, WebLog generation is not included in the time.

CASA logs for stage 8