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

Statwt Summary Plot

VLASS2.1.sb38537053.eb38580096.59080.031941134264_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 5.697 5.24/6.054 5.655 ± 0.52
ea02 1342 1342/1342 1342 ± 0.00001018 5.766 5.299/6.401 5.917 ± 0.621
ea04 1342 1342/1342 1342 ± 0.000004737 5.411 4.891/5.959 5.474 ± 0.5724
ea05 1342 1342/1342 1342 ± 0 5.875 5.302/6.396 5.811 ± 0.5622
ea06 1342 1342/1342 1342 ± 0.000001213 4.843 4.622/5.278 4.963 ± 0.3963
ea07 1342 1342/1342 1342 ± 0 5.819 5.378/6.125 5.863 ± 0.5466
ea08 1342 1342/1342 1342 ± 0.000001214 5.817 5.568/6.573 6.064 ± 0.623
ea09 1342 1342/1342 1342 ± 0 5.587 5.139/6.257 5.669 ± 0.6029
ea11 1342 1342/1342 1342 ± 0 5.815 5.113/6.264 5.76 ± 0.6233
ea12 1342 1342/1342 1342 ± 0 5.758 5.175/6.316 5.783 ± 0.6242
ea13 1342 1342/1342 1342 ± 0 6.016 5.595/6.239 6.002 ± 0.4841
ea14 1342 1342/1342 1342 ± 0 5.89 5.377/6.454 5.953 ± 0.6478
ea15 1342 1342/1342 1342 ± 0 5.456 4.929/6.067 5.562 ± 0.7123
ea16 1342 1342/1342 1342 ± 0 6.094 5.623/6.582 6.192 ± 0.7087
ea17 1342 1342/1342 1342 ± 0.00000172 5.981 5.544/6.623 6.106 ± 0.6083
ea18 1342 1342/1342 1342 ± 0 5.11 4.705/5.574 5.135 ± 0.4935
ea19 1342 1342/1342 1342 ± 0 6.063 5.447/6.596 6.049 ± 0.6167
ea20 1342 1342/1342 1342 ± 0 5.941 5.564/6.571 6.074 ± 0.6334
ea21 1342 1342/1342 1342 ± 0 5.654 5.357/6.249 5.821 ± 0.5527
ea22 1342 1342/1342 1342 ± 0 5.583 5.24/6.378 5.788 ± 0.6369
ea23 1342 1342/1342 1342 ± 0 6.006 5.49/6.597 6.064 ± 0.6429
ea25 1342 1342/1342 1342 ± 0 5.549 5.264/6.035 5.691 ± 0.5337
ea26 1342 1342/1342 1342 ± 0 5.652 5.374/6.352 5.779 ± 0.5542
ea27 1342 1342/1342 1342 ± 0.00001772 5.5 5.248/6.335 5.722 ± 0.5783
ea28 1342 1342/1342 1342 ± 0.00002243 5.708 5.379/6.391 5.871 ± 0.6275
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 ± 0.00002394 5.407 5.248/5.601 5.381 ± 0.254
3 1342 1342/1342 1342 ± 0.00002397 5.155 4.968/5.352 5.145 ± 0.2758
4 1342 1342/1342 1342 ± 0.00002489 5.3 5.087/5.428 5.238 ± 0.3275
5 1342 1342/1342 1342 ± 0.00002394 5.348 5.105/5.47 5.277 ± 0.3301
6 1342 1342/1342 1342 ± 0.00002394 5.278 5.053/5.41 5.236 ± 0.2882
7 1342 1342/1342 1342 ± 0.00002394 5.323 5.118/5.444 5.267 ± 0.2595
8 1342 1342/1342 1342 ± 0.00002394 5.334 5.063/5.403 5.237 ± 0.2896
9 1342 1342/1342 1342 ± 0.00002394 5.589 5.337/5.742 5.534 ± 0.333
10 1342 1342/1342 1342 ± 0.00002394 6.046 5.793/6.132 5.946 ± 0.3163
11 1342 1342/1342 1342 ± 0.00002394 6.238 6.041/6.375 6.176 ± 0.3254
12 1342 1342/1342 1342 ± 0.00002394 6.362 6.176/6.539 6.318 ± 0.3372
13 1342 1342/1342 1342 ± 0.00002394 6.801 6.698/6.993 6.788 ± 0.3643
14 1342 1342/1342 1342 ± 0.00002394 6.958 6.767/7.152 6.912 ± 0.3947
15 1342 1342/1342 1342 ± 0.00002394 6.476 6.314/6.667 6.416 ± 0.3929
16 1342 1342/1342 1342 ± 0.00002878 5.827 5.685/6.054 5.861 ± 0.3281
17 1342 1342/1342 1342 ± 0.00002837 5.828 5.703/6.106 5.882 ± 0.3162
vis
VLASS2.1.sb38537053.eb38580096.59080.031941134264_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-05-08 05:42:37.743
End
2025-05-08 06:29:12.132
Duration
0:46:34.389
Note, WebLog generation is not included in the time.

CASA logs for stage 8