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 5.508 5.234/6.074 5.672 ± 0.5429
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.000004702 5.534 5.115/6.084 5.657 ± 0.5588
ea05 1342 1342/1342 1342 ± 0 5.706 5.326/6.295 5.823 ± 0.5856
ea06 1342 1342/1342 1342 ± 0 5.022 4.776/5.399 5.099 ± 0.3808
ea07 1342 1342/1342 1342 ± 0 5.905 5.458/6.243 5.979 ± 0.5584
ea08 1342 1342/1342 1342 ± 0 5.941 5.502/6.584 6.019 ± 0.6809
ea09 1342 1342/1342 1342 ± 0 5.689 5.17/6.355 5.744 ± 0.6147
ea10 1342 1342/1342 1342 ± 0.000008715 5.807 5.322/6.564 5.879 ± 0.6784
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.829 5.389/6.379 5.945 ± 0.6137
ea13 1342 1342/1342 1342 ± 0 5.993 5.714/6.31 6.064 ± 0.5017
ea14 1342 1342/1342 1342 ± 0 5.807 5.187/6.354 5.812 ± 0.6594
ea15 1342 1342/1342 1342 ± 0 5.771 5.135/6.195 5.727 ± 0.6663
ea16 1342 1342/1342 1342 ± 0 6.147 5.683/6.714 6.229 ± 0.7297
ea17 1342 1342/1342 1342 ± 0.000007564 5.967 5.589/6.424 6.071 ± 0.6443
ea18 1342 1342/1342 1342 ± 0 5.063 4.808/5.558 5.151 ± 0.5105
ea19 1342 1342/1342 1342 ± 0 5.989 5.569/6.621 6.136 ± 0.6383
ea20 1342 1342/1342 1342 ± 0 6.159 5.75/6.768 6.25 ± 0.6561
ea21 1342 1342/1342 1342 ± 0 5.633 5.355/6.251 5.799 ± 0.5533
ea22 1342 1342/1342 1342 ± 0 5.853 5.158/6.384 5.743 ± 0.6419
ea23 1342 1342/1342 1342 ± 0 6.013 5.445/6.598 6.081 ± 0.6601
ea25 1342 1342/1342 1342 ± 0.000001182 5.632 5.225/6.094 5.675 ± 0.5742
ea26 1342 1342/1342 1342 ± 0 6.192 5.616/6.706 6.099 ± 0.6475
ea27 1342 1342/1342 1342 ± 0.00003268 5.537 5.218/6.345 5.722 ± 0.607
ea28 1342 1342/1342 1342 ± 0.000002024 5.592 5.37/6.338 5.799 ± 0.6451
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 ± 0.00002451 5.38 5.173/5.553 5.358 ± 0.2386
3 1342 1342/1342 1342 ± 0.00002687 4.957 4.787/5.212 4.984 ± 0.2726
4 1342 1342/1342 1342 ± 0.00002461 5.181 5.012/5.346 5.162 ± 0.3012
5 1342 1342/1342 1342 ± 0.00002487 5.367 5.087/5.449 5.305 ± 0.2926
6 1342 1342/1342 1342 ± 0.00002451 5.316 5.141/5.469 5.3 ± 0.277
7 1342 1342/1342 1342 ± 0.00002451 5.387 5.26/5.534 5.391 ± 0.2476
8 1342 1342/1342 1342 ± 0.00002451 5.4 5.161/5.505 5.339 ± 0.2792
9 1342 1342/1342 1342 ± 0.00002451 5.598 5.465/5.892 5.607 ± 0.3103
10 1342 1342/1342 1342 ± 0.00002451 6.038 5.931/6.233 6.026 ± 0.3049
11 1342 1342/1342 1342 ± 0.00002451 6.303 6.153/6.406 6.245 ± 0.328
12 1342 1342/1342 1342 ± 0.00002451 6.395 6.232/6.617 6.385 ± 0.3513
13 1342 1342/1342 1342 ± 0.00002451 6.814 6.72/6.989 6.802 ± 0.3681
14 1342 1342/1342 1342 ± 0.00002451 6.942 6.779/7.245 6.938 ± 0.3949
15 1342 1342/1342 1342 ± 0.00002451 6.61 6.468/6.784 6.543 ± 0.3784
16 1342 1342/1342 1342 ± 0.00003143 5.973 5.804/6.237 5.985 ± 0.3321
17 1342 1342/1342 1342 ± 0.00003086 5.931 5.742/6.191 5.944 ± 0.3182
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-05-01 06:40:14.476
End
2024-05-01 07:39:34.864
Duration
0:59:20.388
Note, WebLog generation is not included in the time.

CASA logs for stage 7