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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.286 5.848/6.915 6.359 ± 0.7984
ea03 1342 1342/1342 1342 ± 0.000001549 5.638 5.087/6.562 5.742 ± 0.8964
ea04 1342 1342/1342 1342 ± 0 5.75 5.295/6.475 5.858 ± 0.8286
ea05 1342 1342/1342 1342 ± 0 6.295 5.64/7.068 6.359 ± 0.8137
ea06 1342 1342/1342 1342 ± 0 6.148 5.58/6.641 6.126 ± 0.7763
ea07 1342 1342/1342 1342 ± 0 6.083 5.442/6.502 6.038 ± 0.8051
ea08 1342 1342/1342 1342 ± 0 6.13 5.498/6.868 6.183 ± 0.8073
ea09 1342 1342/1342 1342 ± 0 6.132 5.563/6.85 6.184 ± 0.8759
ea10 1342 1342/1342 1342 ± 0 6.322 5.649/7.133 6.287 ± 0.9249
ea11 1342 1342/1342 1342 ± 0 6.374 5.414/6.838 6.229 ± 0.836
ea12 1342 1342/1342 1342 ± 0 6.542 5.726/6.969 6.445 ± 0.8436
ea13 1342 1342/1342 1342 ± 0 5.753 5.671/6.363 6.01 ± 0.5128
ea14 1342 1342/1342 1342 ± 0 6.348 5.702/6.972 6.346 ± 0.9112
ea15 1342 1342/1342 1342 ± 0 5.874 5.39/6.467 5.921 ± 0.7821
ea16 1342 1342/1342 1342 ± 0 6.517 5.912/7.049 6.463 ± 0.8777
ea17 1342 1342/1342 1342 ± 0 6.841 6.27/7.852 6.964 ± 0.8556
ea18 1342 1342/1342 1342 ± 0 5.207 4.752/5.549 5.221 ± 0.4974
ea19 1342 1342/1342 1342 ± 0 6.432 5.885/7.128 6.487 ± 0.8952
ea20 1342 1342/1342 1342 ± 0 5.955 5.569/6.683 6.077 ± 0.827
ea21 1342 1342/1342 1342 ± 0 5.419 5.161/6.03 5.615 ± 0.537
ea22 1342 1342/1342 1342 ± 0.00000462 6.395 5.411/6.785 6.16 ± 0.7666
ea23 1342 1342/1342 1342 ± 0 6.314 5.754/6.879 6.409 ± 0.7702
ea24 1342 1342/1342 1342 ± 0 6.094 5.331/6.636 5.991 ± 0.6531
ea25 1342 1342/1342 1342 ± 0 6.786 5.699/7.212 6.581 ± 0.8983
ea26 1342 1342/1342 1342 ± 0 6.721 6.135/7.519 6.73 ± 0.8876
ea27 1342 1342/1342 1342 ± 0 6.105 5.649/7.059 6.244 ± 0.8134
ea28 1342 1342/1342 1342 ± 0 6.307 5.859/7.099 6.496 ± 0.7858
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 ± 0.00002307 5.603 5.357/5.835 5.578 ± 0.3338
3 1342 1342/1342 1342 ± 0.00002411 5.242 5.007/5.421 5.246 ± 0.3283
4 1342 1342/1342 1342 ± 0.0000316 4.285 4.179/4.438 4.352 ± 0.2912
5 1342 1342/1342 1342 ± 0.00002307 5.69 5.341/5.799 5.599 ± 0.3443
6 1342 1342/1342 1342 ± 0.00002307 5.581 5.426/5.815 5.57 ± 0.3122
7 1342 1342/1342 1342 ± 0.00002307 5.669 5.412/5.781 5.624 ± 0.3141
8 1342 1342/1342 1342 ± 0.00002307 5.561 5.316/5.805 5.556 ± 0.3539
9 1342 1342/1342 1342 ± 0.00002307 5.904 5.662/6.156 5.87 ± 0.3502
10 1342 1342/1342 1342 ± 0.00002307 6.544 6.27/6.668 6.445 ± 0.3556
11 1342 1342/1342 1342 ± 0.00002307 6.783 6.511/6.922 6.693 ± 0.3769
12 1342 1342/1342 1342 ± 0.00002307 6.883 6.619/7.063 6.823 ± 0.4498
13 1342 1342/1342 1342 ± 0.00002307 7.396 7.125/7.734 7.354 ± 0.4855
14 1342 1342/1342 1342 ± 0.00002307 7.633 7.233/7.896 7.553 ± 0.4917
15 1342 1342/1342 1342 ± 0.00002307 7.169 6.797/7.456 7.143 ± 0.4516
16 1342 1342/1342 1342 ± 0.00002307 6.417 6.242/6.868 6.466 ± 0.4464
17 1342 1342/1342 1342 ± 0.00002307 6.47 6.211/6.788 6.428 ± 0.463
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
Start time
2025-06-11 22:06:19.180
End
2025-06-11 23:24:33.489
Duration
1:18:14.309
Note, WebLog generation is not included in the time.

CASA logs for stage 8