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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.285 5.142/6.007 5.571 ± 0.5111
ea02 1342 1342/1342 1342 ± 0.0000221 5.877 5.314/6.579 6.039 ± 0.6488
ea03 1342 1342/1342 1342 ± 0.0000168 5.004 4.613/5.933 5.271 ± 0.6866
ea04 1342 1342/1342 1342 ± 0.00002416 5.26 5.016/6.049 5.523 ± 0.6105
ea05 1342 1342/1342 1342 ± 0.00001719 5.439 5.226/6.389 5.724 ± 0.6952
ea06 1342 1342/1342 1342 ± 0.0000222 5.02 4.818/5.626 5.177 ± 0.4667
ea07 1342 1342/1342 1342 ± 0.00001628 5.801 5.313/6.215 5.889 ± 0.6133
ea08 1342 1342/1342 1342 ± 0.00001351 6.046 5.524/6.832 6.288 ± 0.7056
ea09 1342 1342/1342 1342 ± 0.00002265 5.493 5.174/6.437 5.742 ± 0.7115
ea10 1342 1342/1342 1342 ± 0.00001589 5.739 5.161/6.569 5.893 ± 0.6826
ea11 1342 1342/1342 1342 ± 0.00001795 5.738 5.088/6.362 5.77 ± 0.6772
ea12 1342 1342/1342 1342 ± 0.00002239 5.472 5.211/6.323 5.749 ± 0.6983
ea13 1342 1342/1342 1342 ± 0.00001872 5.812 5.608/6.393 6.072 ± 0.6532
ea14 1342 1342/1342 1342 ± 0.00001126 5.53 5.142/6.349 5.816 ± 0.6913
ea15 1342 1342/1342 1342 ± 0.00002281 5.503 5.158/6.272 5.742 ± 0.7671
ea16 1342 1342/1342 1342 ± 0.000006585 5.94 5.505/6.758 6.194 ± 0.8251
ea17 1342 1342/1342 1342 ± 0.00002278 6.015 5.531/7.106 6.249 ± 0.7249
ea18 1342 1342/1342 1342 ± 0.00002113 4.819 4.632/5.594 5.018 ± 0.4966
ea19 1342 1342/1342 1342 ± 0.00001494 5.513 5.309/6.519 5.866 ± 0.7052
ea21 1342 1342/1342 1342 ± 0.00000804 5.561 5.306/6.33 5.845 ± 0.6369
ea22 1342 1342/1342 1342 ± 0.000009854 5.469 5.131/6.392 5.8 ± 0.6835
ea23 1342 1342/1342 1342 ± 0.00001008 5.806 5.338/6.564 6.031 ± 0.7077
ea25 1342 1342/1342 1342 ± 0.00002172 5.533 5.147/6.272 5.73 ± 0.6062
ea26 1342 1342/1342 1342 ± 0.00002239 5.828 5.526/6.78 6.105 ± 0.7668
ea27 1342 1342/1342 1342 ± 0.00002117 5.495 5.111/6.428 5.771 ± 0.6218
ea28 1342 1342/1342 1342 ± 0.00001762 5.38 5.166/6.219 5.718 ± 0.5921
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 ± 0.00002351 5.194 5.046/5.394 5.179 ± 0.2466
5 1342 1342/1342 1342 ± 0.00002451 5.198 4.95/5.397 5.192 ± 0.3277
6 1342 1342/1342 1342 ± 0.00002351 5.225 5.062/5.391 5.221 ± 0.2941
7 1342 1342/1342 1342 ± 0.00002351 5.184 5.114/5.329 5.218 ± 0.247
8 1342 1342/1342 1342 ± 0.00002351 5.255 5.029/5.419 5.21 ± 0.2763
9 1342 1342/1342 1342 ± 0.00002351 5.513 5.37/5.79 5.527 ± 0.3099
10 1342 1342/1342 1342 ± 0.00002351 5.962 5.765/6.136 5.919 ± 0.3072
11 1342 1342/1342 1342 ± 0.00002351 6.236 6.072/6.385 6.184 ± 0.304
12 1342 1342/1342 1342 ± 0.00002351 6.358 6.208/6.536 6.342 ± 0.32
13 1342 1342/1342 1342 ± 0.00002364 6.667 6.457/6.823 6.609 ± 0.3705
14 1342 1342/1342 1342 ± 0.00002621 6.678 6.475/6.941 6.665 ± 0.4211
15 1342 1342/1342 1342 ± 0.00003523 6.724 6.511/6.945 6.677 ± 0.4627
16 1342 1342/1342 1342 ± 0.00005371 4.053 3.927/4.171 4.057 ± 0.2387
17 1342 1342/1342 1342 ± 0.00005035 4.163 4.049/4.289 4.171 ± 0.2011
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-04 06:54:45.696
End
2025-01-04 07:45:26.052
Duration
0:50:40.356
Note, WebLog generation is not included in the time.

CASA logs for stage 8