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

Statwt Summary Plot

VLASS2.1.sb38526435.eb38567732.59074.15649113426_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 5.49 5.295/5.809 5.592 ± 0.4475
ea02 1342 1342/1342 1342 ± 0 5.865 5.454/6.288 5.956 ± 0.5322
ea05 1342 1342/1342 1342 ± 0 5.712 5.366/6.066 5.763 ± 0.5102
ea06 1342 1342/1342 1342 ± 0 4.806 4.688/5.057 4.873 ± 0.2601
ea07 1342 1342/1342 1342 ± 0 5.742 5.484/5.962 5.846 ± 0.4634
ea08 1342 1342/1342 1342 ± 0 5.888 5.635/6.467 6.046 ± 0.5656
ea09 1342 1342/1342 1342 ± 0 5.188 4.904/5.537 5.224 ± 0.4121
ea10 1342 1342/1342 1342 ± 0.00001142 5.567 5.267/6.198 5.722 ± 0.5226
ea11 1342 1342/1342 1342 ± 0 5.886 5.477/6.22 5.906 ± 0.5016
ea12 1342 1342/1342 1342 ± 0 5.723 5.384/6.293 5.887 ± 0.5802
ea13 1342 1342/1342 1342 ± 0 6.045 5.749/6.358 6.072 ± 0.4329
ea14 1342 1342/1342 1342 ± 0 5.781 5.394/6.269 5.896 ± 0.5564
ea15 1342 1342/1342 1342 ± 0 5.716 5.277/6.329 5.861 ± 0.6271
ea16 1342 1342/1342 1342 ± 0 5.486 5.313/5.708 5.511 ± 0.3086
ea17 1342 1342/1342 1342 ± 0.000005908 5.84 5.559/6.402 6.038 ± 0.5376
ea18 1342 1342/1342 1342 ± 0.000001098 5.114 4.819/5.579 5.214 ± 0.4794
ea19 1342 1342/1342 1342 ± 0 5.94 5.633/6.448 6.095 ± 0.5287
ea20 1342 1342/1342 1342 ± 0 6.217 5.745/6.745 6.249 ± 0.5314
ea21 1342 1342/1342 1342 ± 0.000001135 5.644 5.337/6.061 5.779 ± 0.4532
ea22 1342 1342/1342 1342 ± 0 5.673 5.279/6.331 5.787 ± 0.5681
ea23 1342 1342/1342 1342 ± 0 5.75 5.489/6.273 5.912 ± 0.5313
ea25 1342 1342/1342 1342 ± 0 5.629 5.352/5.975 5.717 ± 0.4643
ea26 1342 1342/1342 1342 ± 0 5.717 5.476/6.154 5.828 ± 0.4735
ea27 1342 1342/1342 1342 ± 0.00001688 5.45 5.369/6.132 5.661 ± 0.4942
ea28 1342 1342/1342 1342 ± 0.00001265 5.58 5.427/6.26 5.817 ± 0.5622
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 ± 0.00002395 5.533 5.31/5.675 5.468 ± 0.2871
3 1342 1342/1342 1342 ± 0.00002818 5.194 4.959/5.48 5.222 ± 0.3342
4 1342 1342/1342 1342 ± 0.00002418 5.394 5.24/5.544 5.337 ± 0.3261
5 1342 1342/1342 1342 ± 0.00002393 5.477 5.29/5.554 5.415 ± 0.3139
6 1342 1342/1342 1342 ± 0.00002393 5.375 5.284/5.514 5.348 ± 0.2647
7 1342 1342/1342 1342 ± 0.00002393 5.343 5.235/5.434 5.318 ± 0.232
8 1342 1342/1342 1342 ± 0.00002393 5.319 5.112/5.445 5.256 ± 0.2737
9 1342 1342/1342 1342 ± 0.00002393 5.578 5.404/5.717 5.495 ± 0.3298
10 1342 1342/1342 1342 ± 0.00002439 5.913 5.789/6.044 5.851 ± 0.3215
11 1342 1342/1342 1342 ± 0.00002439 6.122 5.97/6.215 6.036 ± 0.335
12 1342 1342/1342 1342 ± 0.00002439 6.264 6.06/6.34 6.171 ± 0.3483
13 1342 1342/1342 1342 ± 0.00002439 6.64 6.514/6.804 6.589 ± 0.3718
14 1342 1342/1342 1342 ± 0.00002439 6.908 6.668/7.006 6.765 ± 0.4189
15 1342 1342/1342 1342 ± 0.00002439 6.454 6.288/6.711 6.395 ± 0.4079
16 1342 1342/1342 1342 ± 0.00002824 5.743 5.626/6.244 5.824 ± 0.3889
17 1342 1342/1342 1342 ± 0.0000275 5.809 5.622/6.134 5.836 ± 0.3706
output_dir
 
vis
VLASS2.1.sb38526435.eb38567732.59074.15649113426_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-12 08:14:59.385
End
2024-12-12 09:15:18.794
Duration
1:00:19.409
Note, WebLog generation is not included in the time.

CASA logs for stage 8