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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.481 5.128/5.941 5.567 ± 0.5414
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.443 5.044/6.004 5.588 ± 0.5543
ea05 1342 1342/1342 1342 ± 0 5.653 5.227/6.262 5.764 ± 0.6012
ea06 1342 1342/1342 1342 ± 0 4.999 4.774/5.414 5.08 ± 0.3956
ea07 1342 1342/1342 1342 ± 0 5.852 5.317/6.133 5.854 ± 0.5732
ea08 1342 1342/1342 1342 ± 0 5.825 5.327/6.505 5.93 ± 0.6551
ea09 1342 1342/1342 1342 ± 0 5.619 5.054/6.269 5.65 ± 0.6229
ea10 1342 1342/1342 1342 ± 0 5.706 5.157/6.446 5.772 ± 0.648
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.712 5.294/6.32 5.864 ± 0.6313
ea13 1342 1342/1342 1342 ± 0 6.002 5.558/6.221 5.953 ± 0.4947
ea14 1342 1342/1342 1342 ± 0 5.876 5.156/6.264 5.715 ± 0.6468
ea15 1342 1342/1342 1342 ± 0 5.459 4.999/6.018 5.569 ± 0.6641
ea16 1342 1342/1342 1342 ± 0 5.997 5.504/6.44 6.06 ± 0.7177
ea17 1342 1342/1342 1342 ± 0.000003859 5.928 5.444/6.63 5.963 ± 0.6235
ea18 1342 1342/1342 1342 ± 0.000002099 4.945 4.662/5.391 5.048 ± 0.5116
ea19 1342 1342/1342 1342 ± 0 6.074 5.438/6.614 6.035 ± 0.619
ea20 1342 1342/1342 1342 ± 0 6.218 5.668/6.791 6.131 ± 0.6526
ea21 1342 1342/1342 1342 ± 0 5.491 5.168/6.13 5.657 ± 0.5462
ea22 1342 1342/1342 1342 ± 0 5.527 5.084/6.206 5.649 ± 0.6549
ea23 1342 1342/1342 1342 ± 0 5.971 5.329/6.465 5.959 ± 0.6628
ea25 1342 1342/1342 1342 ± 0 5.473 5.108/6.001 5.548 ± 0.5588
ea26 1342 1342/1342 1342 ± 0 5.886 5.466/6.514 5.977 ± 0.6618
ea27 1342 1342/1342 1342 ± 0.00002341 5.553 5.173/6.256 5.623 ± 0.6106
ea28 1342 1342/1342 1342 ± 0 5.525 5.258/6.313 5.722 ± 0.63
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 ± 0.00002441 5.277 5.073/5.452 5.257 ± 0.2372
3 1342 1342/1342 1342 ± 0.00002628 4.98 4.808/5.189 4.982 ± 0.2569
4 1342 1342/1342 1342 ± 0.00002441 5.068 4.899/5.202 5.035 ± 0.2724
5 1342 1342/1342 1342 ± 0.00002578 5.211 5.008/5.334 5.191 ± 0.2938
6 1342 1342/1342 1342 ± 0.00002444 5.197 5.032/5.352 5.194 ± 0.2679
7 1342 1342/1342 1342 ± 0.00002441 5.239 5.106/5.373 5.237 ± 0.2318
8 1342 1342/1342 1342 ± 0.00002441 5.261 5.054/5.369 5.211 ± 0.2606
9 1342 1342/1342 1342 ± 0.00002441 5.484 5.321/5.746 5.482 ± 0.2903
10 1342 1342/1342 1342 ± 0.00002441 5.942 5.756/6.104 5.909 ± 0.2892
11 1342 1342/1342 1342 ± 0.00002441 6.199 6.024/6.273 6.13 ± 0.3081
12 1342 1342/1342 1342 ± 0.00002441 6.284 6.104/6.459 6.271 ± 0.3296
13 1342 1342/1342 1342 ± 0.00002441 6.686 6.567/6.914 6.684 ± 0.3455
14 1342 1342/1342 1342 ± 0.00002441 6.824 6.673/7.098 6.836 ± 0.3741
15 1342 1342/1342 1342 ± 0.00002441 6.558 6.355/6.703 6.475 ± 0.3547
16 1342 1342/1342 1342 ± 0.00002737 5.898 5.711/6.098 5.878 ± 0.3125
17 1342 1342/1342 1342 ± 0.00002792 5.848 5.656/6.05 5.835 ± 0.2937
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
overwrite_modelcol
False
Start time
2024-05-01 08:23:58.891
End
2024-05-01 09:16:49.558
Duration
0:52:50.667
Note, WebLog generation is not included in the time.

CASA logs for stage 7