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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.498 5.278/6.058 5.687 ± 0.5277
ea02 1342 1342/1342 1342 ± 0 5.775 5.392/6.481 5.966 ± 0.6659
ea04 1342 1342/1342 1342 ± 0 5.418 5.053/6.006 5.599 ± 0.5705
ea05 1342 1342/1342 1342 ± 0 5.711 5.229/6.166 5.737 ± 0.5812
ea06 1342 1342/1342 1342 ± 0 4.894 4.626/5.293 4.965 ± 0.3978
ea07 1342 1342/1342 1342 ± 0 5.94 5.456/6.222 5.964 ± 0.5617
ea08 1342 1342/1342 1342 ± 0.00001479 5.797 5.531/6.607 6.051 ± 0.6734
ea09 1342 1342/1342 1342 ± 0 5.589 5.182/6.264 5.719 ± 0.6409
ea10 1342 1342/1342 1342 ± 0 5.851 5.277/6.492 5.881 ± 0.6507
ea11 1342 1342/1342 1342 ± 0 5.729 5.098/6.252 5.73 ± 0.6652
ea12 1342 1342/1342 1342 ± 0 6.213 6.05/6.642 6.332 ± 0.3959
ea13 1342 1342/1342 1342 ± 0 6.07 5.749/6.353 6.142 ± 0.4884
ea14 1342 1342/1342 1342 ± 0 5.751 5.219/6.325 5.817 ± 0.6547
ea15 1342 1342/1342 1342 ± 0 5.593 5.047/6.235 5.715 ± 0.7159
ea16 1342 1342/1342 1342 ± 0 6.053 5.601/6.664 6.177 ± 0.7132
ea17 1342 1342/1342 1342 ± 0.00001741 5.944 5.572/6.442 6.089 ± 0.6227
ea18 1342 1342/1342 1342 ± 0 4.968 4.663/5.458 5.069 ± 0.5128
ea19 1342 1342/1342 1342 ± 0 5.862 5.423/6.483 6.024 ± 0.6294
ea20 1342 1342/1342 1342 ± 0 5.972 5.565/6.585 6.083 ± 0.6459
ea21 1342 1342/1342 1342 ± 0 5.608 5.29/6.175 5.745 ± 0.5491
ea22 1342 1342/1342 1342 ± 0 5.494 5.274/6.416 5.82 ± 0.663
ea23 1342 1342/1342 1342 ± 0 6.194 5.51/6.623 6.114 ± 0.6568
ea25 1342 1342/1342 1342 ± 0.000001075 5.531 5.214/6.014 5.632 ± 0.567
ea26 1342 1342/1342 1342 ± 0.00000157 6.083 5.69/6.842 6.228 ± 0.6277
ea27 1342 1342/1342 1342 ± 0.00001961 5.516 5.258/6.299 5.724 ± 0.5737
ea28 1342 1342/1342 1342 ± 0.00002645 5.644 5.336/6.372 5.848 ± 0.6446
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 ± 0.00002392 5.345 5.214/5.631 5.367 ± 0.2839
3 1342 1342/1342 1342 ± 0.00002466 5.124 4.943/5.386 5.144 ± 0.3134
4 1342 1342/1342 1342 ± 0.00002489 5.165 4.948/5.297 5.11 ± 0.2918
5 1342 1342/1342 1342 ± 0.00002392 5.349 5.105/5.509 5.32 ± 0.3364
6 1342 1342/1342 1342 ± 0.00002392 5.296 5.045/5.413 5.255 ± 0.3115
7 1342 1342/1342 1342 ± 0.00002392 5.287 5.149/5.502 5.31 ± 0.2743
8 1342 1342/1342 1342 ± 0.00002392 5.358 5.114/5.478 5.292 ± 0.2873
9 1342 1342/1342 1342 ± 0.00002392 5.61 5.433/5.868 5.569 ± 0.3295
10 1342 1342/1342 1342 ± 0.00002348 6.043 5.805/6.209 5.987 ± 0.3234
11 1342 1342/1342 1342 ± 0.00002348 6.275 6.1/6.372 6.207 ± 0.3249
12 1342 1342/1342 1342 ± 0.00002348 6.377 6.248/6.598 6.364 ± 0.352
13 1342 1342/1342 1342 ± 0.00002348 6.847 6.693/7.054 6.8 ± 0.3594
14 1342 1342/1342 1342 ± 0.00002348 7.009 6.772/7.24 6.969 ± 0.4058
15 1342 1342/1342 1342 ± 0.00002348 6.583 6.373/6.776 6.516 ± 0.4129
16 1342 1342/1342 1342 ± 0.00003238 5.938 5.64/6.197 5.921 ± 0.3541
17 1342 1342/1342 1342 ± 0.00003053 5.902 5.68/6.203 5.919 ± 0.3438
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-05-01 09:51:46.792
End
2024-05-01 10:55:30.599
Duration
1:03:43.807
Note, WebLog generation is not included in the time.

CASA logs for stage 7