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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.289 5.134/6.141 5.551 ± 0.6948
ea02 1342 1342/1342 1342 ± 0.00003898 5.845 5.27/6.652 5.956 ± 0.8648
ea04 1342 1342/1342 1342 ± 0.00001199 5.368 5.024/5.955 5.505 ± 0.7071
ea05 1342 1342/1342 1342 ± 0.00002018 5.475 5.112/6.564 5.786 ± 0.7573
ea06 1342 1342/1342 1342 ± 0.00001873 4.687 4.479/5.251 4.796 ± 0.5191
ea07 1342 1342/1342 1342 ± 0.00004252 5.842 5.392/6.327 5.858 ± 0.8374
ea08 1342 1342/1342 1342 ± 0.00004404 5.946 5.442/6.792 6.093 ± 0.9416
ea09 1342 1342/1342 1342 ± 0.000003829 5.611 5.187/6.531 5.811 ± 0.7361
ea10 1342 1342/1342 1342 ± 0.00004373 5.741 5.178/6.685 5.817 ± 0.9222
ea11 1342 1342/1342 1342 ± 0.0000424 5.565 5.069/6.439 5.686 ± 0.8686
ea12 1342 1342/1342 1342 ± 0.00002443 5.553 5.247/6.287 5.764 ± 0.8103
ea13 1342 1342/1342 1342 ± 0 5.746 5.621/6.363 6.047 ± 0.6671
ea14 1342 1342/1342 1342 ± 0.00004223 5.549 5.078/6.425 5.701 ± 0.8302
ea15 1342 1342/1342 1342 ± 0.00001039 5.329 5.015/6.201 5.556 ± 0.8035
ea16 1342 1342/1342 1342 ± 0.00002001 5.932 5.435/6.844 6.048 ± 0.9819
ea17 1342 1342/1342 1342 ± 0.00004357 5.806 5.289/6.543 5.915 ± 0.9139
ea18 1342 1342/1342 1342 ± 0.00004367 4.87 4.683/5.406 5.048 ± 0.6037
ea19 1342 1342/1342 1342 ± 0.00002641 5.787 5.566/6.883 6.128 ± 0.8766
ea20 1342 1342/1342 1342 ± 0.00004097 5.858 5.714/6.769 6.063 ± 0.9191
ea21 1342 1342/1342 1342 ± 0.00003182 5.582 5.248/6.414 5.752 ± 0.8089
ea22 1342 1342/1342 1342 ± 0.00001074 5.37 5.019/6.288 5.642 ± 0.7076
ea23 1342 1342/1342 1342 ± 0.00004183 5.706 5.339/6.654 5.89 ± 0.9286
ea25 1342 1342/1342 1342 ± 0.00004371 5.48 5.06/6.13 5.593 ± 0.7972
ea26 1342 1342/1342 1342 ± 0 5.791 5.642/6.988 6.168 ± 0.7763
ea27 1342 1342/1342 1342 ± 0.00004341 5.524 5.12/6.434 5.66 ± 0.8274
ea28 1342 1342/1342 1342 ± 0.00004363 5.566 5.348/6.582 5.86 ± 0.8812
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 ± 0.00002352 5.261 5.081/5.567 5.291 ± 0.2959
5 1342 1342/1342 1342 ± 0.00003249 5.394 5.123/5.573 5.352 ± 0.2932
6 1342 1342/1342 1342 ± 0.00002352 5.304 5.072/5.5 5.256 ± 0.3028
7 1342 1342/1342 1342 ± 0.00002352 5.316 5.172/5.517 5.31 ± 0.2848
8 1342 1342/1342 1342 ± 0.00002352 5.313 5.1/5.442 5.26 ± 0.3077
9 1342 1342/1342 1342 ± 0.00002352 5.579 5.338/5.796 5.534 ± 0.3302
10 1342 1342/1342 1342 ± 0.00002352 6.075 5.945/6.248 6.027 ± 0.3307
11 1342 1342/1342 1342 ± 0.00002352 6.353 6.2/6.466 6.283 ± 0.3484
12 1342 1342/1342 1342 ± 0.00002352 6.546 6.329/6.694 6.48 ± 0.3796
13 1342 1342/1342 1342 ± 0.00002352 6.984 6.711/7.184 6.925 ± 0.4179
14 1342 1342/1342 1342 ± 0.00002352 7.163 6.951/7.405 7.113 ± 0.463
15 1342 1342/1342 1342 ± 0.00002393 6.541 6.158/6.862 6.45 ± 0.5619
16 1342 1342/1342 1342 ± 0.00005994 4.438 4.284/4.687 4.479 ± 0.2708
17 1342 1342/1342 1342 ± 0.00006058 4.573 4.443/4.838 4.658 ± 0.331
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-08 09:30:55.174
End
2025-01-08 10:04:29.799
Duration
0:33:34.625
Note, WebLog generation is not included in the time.

CASA logs for stage 8