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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.547 5.877/6.977 6.419 ± 0.7239
ea03 1342 1342/1342 1342 ± 0.00001334 5.992 5.352/6.867 6.018 ± 0.772
ea04 1342 1342/1342 1342 ± 0 5.916 5.434/6.372 5.954 ± 0.6468
ea05 1342 1342/1342 1342 ± 0 6.037 5.68/7.053 6.356 ± 0.7541
ea06 1342 1342/1342 1342 ± 0 6.356 5.663/6.61 6.239 ± 0.6113
ea07 1342 1342/1342 1342 ± 0 6.201 5.521/6.341 6.123 ± 0.6147
ea08 1342 1342/1342 1342 ± 0.000009941 6.561 5.696/6.921 6.452 ± 0.7251
ea09 1342 1342/1342 1342 ± 0 6.192 5.645/6.983 6.295 ± 0.7753
ea10 1342 1342/1342 1342 ± 0 6.228 5.767/7.043 6.368 ± 0.6686
ea11 1342 1342/1342 1342 ± 0 6.326 5.578/6.927 6.343 ± 0.7942
ea12 1342 1342/1342 1342 ± 0 6.493 5.772/6.861 6.469 ± 0.7187
ea13 1342 1342/1342 1342 ± 0.000001146 6.014 5.911/6.524 6.192 ± 0.5099
ea14 1342 1342/1342 1342 ± 0 6.221 5.851/6.954 6.443 ± 0.6827
ea15 1342 1342/1342 1342 ± 0 5.305 4.883/5.677 5.331 ± 0.5225
ea16 1342 1342/1342 1342 ± 0 6.461 5.854/7.036 6.47 ± 0.7749
ea17 1342 1342/1342 1342 ± 0 6.594 6.037/7.514 6.779 ± 0.7678
ea18 1342 1342/1342 1342 ± 0 5.246 4.884/5.658 5.285 ± 0.5101
ea19 1342 1342/1342 1342 ± 0 6.507 6.107/7.433 6.731 ± 0.7347
ea20 1342 1342/1342 1342 ± 0 5.945 5.848/7.002 6.289 ± 0.6834
ea21 1342 1342/1342 1342 ± 0 5.893 5.654/6.714 6.13 ± 0.6191
ea22 1342 1342/1342 1342 ± 0 6.341 5.488/6.712 6.13 ± 0.6936
ea23 1342 1342/1342 1342 ± 0 6.044 5.923/7.01 6.47 ± 0.7495
ea24 1342 1342/1342 1342 ± 0 6.205 5.357/6.604 6.031 ± 0.6045
ea25 1342 1342/1342 1342 ± 0 6.636 5.781/6.867 6.503 ± 0.7798
ea26 1342 1342/1342 1342 ± 0 6.605 5.967/7.329 6.599 ± 0.8058
ea27 1342 1342/1342 1342 ± 0 6.151 5.748/7.114 6.363 ± 0.7515
ea28 1342 1342/1342 1342 ± 0 6.243 5.892/7.094 6.488 ± 0.7366
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 5.766 5.543/5.925 5.735 ± 0.3306
3 1342 1342/1342 1342 ± 0.00002348 5.478 5.31/5.602 5.437 ± 0.304
4 1342 1342/1342 1342 ± 0.00003718 5.334 5.203/5.672 5.318 ± 0.4537
5 1342 1342/1342 1342 ± 0.00002306 5.769 5.426/5.925 5.647 ± 0.3701
6 1342 1342/1342 1342 ± 0.00002306 5.682 5.404/5.856 5.623 ± 0.3003
7 1342 1342/1342 1342 ± 0.00002306 5.747 5.517/5.876 5.682 ± 0.3137
8 1342 1342/1342 1342 ± 0.00002306 5.682 5.435/5.861 5.639 ± 0.3509
9 1342 1342/1342 1342 ± 0.00002306 6.064 5.76/6.26 5.956 ± 0.363
10 1342 1342/1342 1342 ± 0.00002306 6.529 6.27/6.66 6.418 ± 0.3692
11 1342 1342/1342 1342 ± 0.00002306 6.747 6.551/6.946 6.67 ± 0.3922
12 1342 1342/1342 1342 ± 0.00002306 6.884 6.608/7.048 6.821 ± 0.4409
13 1342 1342/1342 1342 ± 0.00002306 7.411 7.065/7.741 7.343 ± 0.4756
14 1342 1342/1342 1342 ± 0.00002306 7.694 7.333/7.886 7.559 ± 0.4689
15 1342 1342/1342 1342 ± 0.00002306 7.206 6.876/7.475 7.101 ± 0.4609
16 1342 1342/1342 1342 ± 0.00002509 6.34 6.028/6.612 6.343 ± 0.4236
17 1342 1342/1342 1342 ± 0.00002389 6.333 6.015/6.588 6.293 ± 0.4281
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-06-07 18:28:08.747
End
2025-06-07 19:33:12.327
Duration
1:05:03.580
Note, WebLog generation is not included in the time.

CASA logs for stage 8