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

Statwt Summary Plot

VLASS2.1.sb38642060.eb38643748.59104.02058106482_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 5.647 5.36/6.158 5.783 ± 0.5806
ea02 1342 1342/1342 1342 ± 0.00001242 5.837 5.51/6.537 6.053 ± 0.6478
ea04 1342 1342/1342 1342 ± 0 5.593 5.251/6.118 5.75 ± 0.5425
ea05 1342 1342/1342 1342 ± 0 5.952 5.484/6.353 5.981 ± 0.5821
ea06 1342 1342/1342 1342 ± 0 5.166 4.96/5.518 5.239 ± 0.3592
ea07 1342 1342/1342 1342 ± 0 6.04 5.492/6.272 6.057 ± 0.5839
ea08 1342 1342/1342 1342 ± 0 5.978 5.706/6.811 6.285 ± 0.676
ea09 1342 1342/1342 1342 ± 0 5.734 5.319/6.36 5.858 ± 0.6187
ea10 1342 1342/1342 1342 ± 0 6.061 5.395/6.687 6.067 ± 0.6644
ea11 1342 1342/1342 1342 ± 0 6.242 5.483/6.703 6.175 ± 0.713
ea12 1342 1342/1342 1342 ± 0 5.578 5.474/5.717 5.611 ± 0.1708
ea13 1342 1342/1342 1342 ± 0 6.106 5.863/6.467 6.24 ± 0.4901
ea14 1342 1342/1342 1342 ± 0 5.786 5.306/6.408 5.891 ± 0.6601
ea15 1342 1342/1342 1342 ± 0 5.821 5.385/6.465 5.986 ± 0.6737
ea16 1342 1342/1342 1342 ± 0 6.17 5.768/6.81 6.334 ± 0.6922
ea17 1342 1342/1342 1342 ± 0.000001801 5.967 5.719/6.599 6.195 ± 0.6153
ea18 1342 1342/1342 1342 ± 0 5.135 4.82/5.681 5.277 ± 0.5081
ea19 1342 1342/1342 1342 ± 0 6.134 5.695/6.79 6.322 ± 0.6533
ea20 1342 1342/1342 1342 ± 0 6.206 5.822/6.827 6.348 ± 0.6371
ea21 1342 1342/1342 1342 ± 0 5.841 5.514/6.404 5.993 ± 0.5649
ea22 1342 1342/1342 1342 ± 0 5.446 5.232/6.25 5.696 ± 0.6152
ea23 1342 1342/1342 1342 ± 0 6.068 5.531/6.456 6.13 ± 0.6589
ea25 1342 1342/1342 1342 ± 0 5.765 5.479/6.372 5.967 ± 0.5941
ea26 1342 1342/1342 1342 ± 0 6.061 5.739/6.81 6.304 ± 0.6893
ea27 1342 1342/1342 1342 ± 0.000003114 5.663 5.361/6.437 5.862 ± 0.5845
ea28 1342 1342/1342 1342 ± 0.00003021 5.814 5.562/6.616 6.086 ± 0.6578
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 ± 0.0000235 5.494 5.353/5.77 5.529 ± 0.2528
3 1342 1342/1342 1342 ± 0.0000235 5.463 5.247/5.708 5.442 ± 0.2997
4 1342 1342/1342 1342 ± 0.0000235 5.381 5.2/5.532 5.35 ± 0.2906
5 1342 1342/1342 1342 ± 0.0000235 5.501 5.286/5.637 5.485 ± 0.3011
6 1342 1342/1342 1342 ± 0.00002394 5.482 5.314/5.676 5.454 ± 0.2818
7 1342 1342/1342 1342 ± 0.0000235 5.465 5.304/5.656 5.47 ± 0.2536
8 1342 1342/1342 1342 ± 0.0000235 5.484 5.251/5.605 5.438 ± 0.2894
9 1342 1342/1342 1342 ± 0.0000235 5.804 5.57/5.979 5.713 ± 0.3233
10 1342 1342/1342 1342 ± 0.00002374 6.233 5.989/6.338 6.15 ± 0.3241
11 1342 1342/1342 1342 ± 0.00002394 6.401 6.262/6.593 6.359 ± 0.3352
12 1342 1342/1342 1342 ± 0.00002442 6.577 6.371/6.733 6.518 ± 0.3662
13 1342 1342/1342 1342 ± 0.00002394 6.991 6.826/7.267 6.964 ± 0.3818
14 1342 1342/1342 1342 ± 0.00002394 7.229 7.003/7.441 7.157 ± 0.4171
15 1342 1342/1342 1342 ± 0.00002394 6.875 6.634/7.02 6.789 ± 0.3961
16 1342 1342/1342 1342 ± 0.00002914 6.106 5.793/6.282 6.088 ± 0.3762
17 1342 1342/1342 1342 ± 0.00002945 6.126 5.758/6.28 6.051 ± 0.3733
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38642060.eb38643748.59104.02058106482_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-25 02:21:32.047
End
2025-01-25 02:41:36.019
Duration
0:20:03.971
Note, WebLog generation is not included in the time.

CASA logs for stage 8