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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.791 5.601/6.494 6.041 ± 0.5978
ea02 1342 1342/1342 1342 ± 0.0000165 6.021 5.498/6.748 6.161 ± 0.7062
ea04 1342 1342/1342 1342 ± 0 5.42 4.926/5.884 5.474 ± 0.599
ea05 1342 1342/1342 1342 ± 0.00002126 5.817 5.015/6.288 5.608 ± 0.6787
ea06 1342 1342/1342 1342 ± 0 4.786 4.4/5.223 4.812 ± 0.4414
ea07 1342 1342/1342 1342 ± 0 6.24 5.658/6.586 6.257 ± 0.6193
ea08 1342 1342/1342 1342 ± 0.00002197 6.107 5.671/6.991 6.349 ± 0.742
ea09 1342 1342/1342 1342 ± 0.000006106 5.463 5.141/6.483 5.694 ± 0.6943
ea10 1342 1342/1342 1342 ± 0 6.097 5.509/7.021 6.226 ± 0.7721
ea11 1342 1342/1342 1342 ± 0 6.141 5.383/6.661 6.114 ± 0.702
ea12 1342 1342/1342 1342 ± 0 5.894 5.266/6.433 5.925 ± 0.6563
ea13 1342 1342/1342 1342 ± 0 5.785 5.465/6.227 5.947 ± 0.58
ea14 1342 1342/1342 1342 ± 0 6.068 5.21/6.486 5.945 ± 0.7003
ea15 1342 1342/1342 1342 ± 0 5.594 4.802/6.082 5.529 ± 0.7564
ea16 1342 1342/1342 1342 ± 0 6.203 5.562/6.783 6.3 ± 0.7805
ea17 1342 1342/1342 1342 ± 0.000009256 6.282 5.738/7.089 6.431 ± 0.7189
ea18 1342 1342/1342 1342 ± 0 5.253 4.819/5.799 5.324 ± 0.5438
ea19 1342 1342/1342 1342 ± 0 6.104 5.34/6.672 6.068 ± 0.7565
ea20 1342 1342/1342 1342 ± 0 6.374 5.743/6.915 6.297 ± 0.6807
ea21 1342 1342/1342 1342 ± 0 5.811 5.216/6.34 5.803 ± 0.6454
ea22 1342 1342/1342 1342 ± 0.00001084 5.426 5.244/6.387 5.777 ± 0.6606
ea23 1342 1342/1342 1342 ± 0 6.323 5.581/6.832 6.324 ± 0.7343
ea25 1342 1342/1342 1342 ± 0 5.927 5.419/6.51 6.001 ± 0.6439
ea26 1342 1342/1342 1342 ± 0 5.787 5.439/6.845 6.064 ± 0.7578
ea27 1342 1342/1342 1342 ± 0.00001876 5.823 5.575/6.829 6.064 ± 0.7079
ea28 1342 1342/1342 1342 ± 0.0000361 5.836 5.695/6.925 6.213 ± 0.7283
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 ± 0.00002348 5.393 5.057/5.614 5.354 ± 0.3601
3 1342 1342/1342 1342 ± 0.00002519 5.206 5.074/5.476 5.219 ± 0.3116
4 1342 1342/1342 1342 ± 0.00003338 5.339 4.786/5.536 5.253 ± 0.401
5 1342 1342/1342 1342 ± 0.00002348 5.309 5.127/5.655 5.359 ± 0.4152
6 1342 1342/1342 1342 ± 0.00002348 5.341 5.096/5.587 5.307 ± 0.3704
7 1342 1342/1342 1342 ± 0.00002348 5.421 5.209/5.577 5.337 ± 0.3425
8 1342 1342/1342 1342 ± 0.00002348 5.389 5.144/5.625 5.326 ± 0.3761
9 1342 1342/1342 1342 ± 0.00002348 5.666 5.411/5.953 5.622 ± 0.4326
10 1342 1342/1342 1342 ± 0.00002348 6.205 5.896/6.382 6.118 ± 0.3935
11 1342 1342/1342 1342 ± 0.00002348 6.437 6.202/6.63 6.347 ± 0.4151
12 1342 1342/1342 1342 ± 0.00002348 6.586 6.345/6.831 6.532 ± 0.4418
13 1342 1342/1342 1342 ± 0.00002348 7.162 6.793/7.29 7.023 ± 0.4569
14 1342 1342/1342 1342 ± 0.00002348 7.303 6.933/7.547 7.203 ± 0.5011
15 1342 1342/1342 1342 ± 0.00002348 6.847 6.565/7.095 6.748 ± 0.4847
16 1342 1342/1342 1342 ± 0.00003658 5.927 5.735/6.273 5.96 ± 0.4192
17 1342 1342/1342 1342 ± 0.00003499 5.943 5.67/6.213 5.949 ± 0.3987
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-07 03:07:00.481
End
2025-01-07 04:08:24.449
Duration
1:01:23.968
Note, WebLog generation is not included in the time.

CASA logs for stage 8