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 5.541 5.285/5.99 5.682 ± 0.5223
ea02 1342 1342/1342 1342 ± 0.000004692 5.826 5.411/6.453 6.006 ± 0.6508
ea04 1342 1342/1342 1342 ± 0 5.554 5.221/6.113 5.732 ± 0.539
ea05 1342 1342/1342 1342 ± 0 5.496 5.129/6.038 5.638 ± 0.5755
ea06 1342 1342/1342 1342 ± 0 4.945 4.752/5.343 5.059 ± 0.3551
ea07 1342 1342/1342 1342 ± 0 5.954 5.446/6.184 5.964 ± 0.5503
ea08 1342 1342/1342 1342 ± 0 5.81 5.499/6.598 6.081 ± 0.6648
ea09 1342 1342/1342 1342 ± 0 5.701 5.21/6.24 5.748 ± 0.6161
ea10 1342 1342/1342 1342 ± 0 5.911 5.324/6.523 5.922 ± 0.6314
ea11 1342 1342/1342 1342 ± 0 5.91 5.172/6.316 5.842 ± 0.6324
ea12 1342 1342/1342 1342 ± 0 6.378 6.183/6.882 6.494 ± 0.4126
ea13 1342 1342/1342 1342 ± 0 6.033 5.736/6.319 6.122 ± 0.4932
ea14 1342 1342/1342 1342 ± 0 5.67 5.116/6.234 5.76 ± 0.6303
ea15 1342 1342/1342 1342 ± 0 5.712 5.249/6.36 5.874 ± 0.6818
ea16 1342 1342/1342 1342 ± 0 5.983 5.559/6.616 6.143 ± 0.6924
ea17 1342 1342/1342 1342 ± 0.00001296 5.958 5.555/6.606 6.12 ± 0.6207
ea18 1342 1342/1342 1342 ± 0 5.04 4.766/5.569 5.193 ± 0.4917
ea19 1342 1342/1342 1342 ± 0 5.739 5.356/6.345 5.929 ± 0.59
ea20 1342 1342/1342 1342 ± 0 6.086 5.683/6.696 6.223 ± 0.6318
ea21 1342 1342/1342 1342 ± 0 5.542 5.246/6.084 5.693 ± 0.5382
ea22 1342 1342/1342 1342 ± 0 5.519 5.298/6.35 5.809 ± 0.6457
ea23 1342 1342/1342 1342 ± 0 5.969 5.479/6.359 6.031 ± 0.6367
ea25 1342 1342/1342 1342 ± 0 5.55 5.201/6.036 5.659 ± 0.5572
ea26 1342 1342/1342 1342 ± 0 6.053 5.656/6.65 6.166 ± 0.6557
ea27 1342 1342/1342 1342 ± 0.00001345 5.529 5.334/6.341 5.769 ± 0.5712
ea28 1342 1342/1342 1342 ± 0.000006742 5.636 5.411/6.394 5.867 ± 0.6554
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 ± 0.00002394 5.377 5.167/5.528 5.345 ± 0.2571
3 1342 1342/1342 1342 ± 0.00002487 5.162 5.01/5.362 5.174 ± 0.2387
4 1342 1342/1342 1342 ± 0.00002421 5.309 5.158/5.445 5.26 ± 0.2677
5 1342 1342/1342 1342 ± 0.00002394 5.379 5.148/5.566 5.374 ± 0.3049
6 1342 1342/1342 1342 ± 0.00002394 5.315 5.134/5.488 5.288 ± 0.2879
7 1342 1342/1342 1342 ± 0.00002394 5.335 5.251/5.481 5.34 ± 0.2523
8 1342 1342/1342 1342 ± 0.00002394 5.289 5.158/5.443 5.299 ± 0.2706
9 1342 1342/1342 1342 ± 0.00002394 5.579 5.435/5.864 5.577 ± 0.3147
10 1342 1342/1342 1342 ± 0.0000235 5.993 5.85/6.161 5.982 ± 0.3016
11 1342 1342/1342 1342 ± 0.0000235 6.289 6.064/6.336 6.194 ± 0.3114
12 1342 1342/1342 1342 ± 0.0000235 6.388 6.207/6.533 6.343 ± 0.3312
13 1342 1342/1342 1342 ± 0.0000235 6.824 6.66/6.99 6.791 ± 0.3494
14 1342 1342/1342 1342 ± 0.0000235 7.053 6.759/7.261 6.969 ± 0.3884
15 1342 1342/1342 1342 ± 0.0000235 6.656 6.382/6.842 6.6 ± 0.389
16 1342 1342/1342 1342 ± 0.00002534 5.919 5.711/6.262 5.972 ± 0.3539
17 1342 1342/1342 1342 ± 0.00002534 5.939 5.749/6.256 5.983 ± 0.3365
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
Start time
2024-05-01 10:01:33.985
End
2024-05-01 10:55:00.900
Duration
0:53:26.915
Note, WebLog generation is not included in the time.

CASA logs for stage 7