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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.598 5.361/6.453 5.629 ± 0.9771
ea03 1342 1342/1342 1342 ± 0.00002102 4.931 4.67/5.871 5.109 ± 0.7788
ea04 1342 1342/1342 1342 ± 0.000002392 5.354 5.105/6.131 5.407 ± 1.005
ea05 1342 1342/1342 1342 ± 0 5.301 4.944/6.015 5.38 ± 0.7932
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002 5.703 5.454/6.348 5.684 ± 0.9366
ea08 1342 1342/1342 1342 ± 0.00004444 5.646 5.384/6.628 5.664 ± 1.027
ea09 1342 1342/1342 1342 ± 0.00004258 5.442 5.167/6.318 5.469 ± 0.9128
ea10 1342 1342/1342 1342 ± 0.00003834 5.466 5.192/6.601 5.585 ± 1.067
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003088 5.998 5.323/6.61 5.734 ± 1.239
ea13 1342 1342/1342 1342 ± 0.00002218 5.658 5.406/6.223 5.578 ± 0.8271
ea14 1342 1342/1342 1342 ± 0.00001846 5.451 5.13/6.345 5.52 ± 0.9115
ea15 1342 1342/1342 1342 ± 0 2.508 2.152/2.993 2.672 ± 0.5919
ea17 1342 1342/1342 1342 ± 0.00004322 6.064 5.558/6.837 5.982 ± 1.15
ea18 1342 1342/1342 1342 ± 0.00001443 4.981 4.659/5.548 4.994 ± 0.5512
ea19 1342 1342/1342 1342 ± 0.000009831 5.42 5.238/6.298 5.596 ± 0.8334
ea20 1342 1342/1342 1342 ± 0.00003364 5.876 5.774/7.112 6.149 ± 1.027
ea21 1342 1342/1342 1342 ± 0.000007263 5.565 5.295/6.353 5.588 ± 0.8809
ea23 1342 1342/1342 1342 ± 0.00001538 5.426 4.993/5.535 5.113 ± 0.8091
ea24 1342 1342/1342 1342 ± 0.00004443 5.465 5.276/6.179 5.525 ± 0.875
ea25 1342 1342/1342 1342 ± 0.00004378 5.345 5.051/6.197 5.404 ± 0.9724
ea26 1342 1342/1342 1342 ± 0.00003007 5.715 5.561/6.631 5.789 ± 1.01
ea27 1342 1342/1342 1342 ± 0.00004151 5.418 5.148/6.399 5.444 ± 0.9707
ea28 1342 1342/1342 1342 ± 0.00004403 5.303 5.11/6.223 5.366 ± 0.8931
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 ± 0.00002511 5.31 5.197/5.568 5.192 ± 0.6743
5 1342 1342/1342 1342 ± 0.00002767 5.389 5.108/5.516 5.205 ± 0.5894
6 1342 1342/1342 1342 ± 0.00002511 5.277 5.104/5.547 5.137 ± 0.6986
7 1342 1342/1342 1342 ± 0.00002511 5.361 5.245/5.467 5.204 ± 0.6979
8 1342 1342/1342 1342 ± 0.00002511 5.32 5.152/5.402 5.169 ± 0.7137
9 1342 1342/1342 1342 ± 0.0000263 5.547 5.231/5.732 5.411 ± 0.6117
10 1342 1342/1342 1342 ± 0.0000249 6.005 5.744/6.264 5.828 ± 0.806
11 1342 1342/1342 1342 ± 0.0000249 6.324 6.096/6.561 6.166 ± 0.7728
12 1342 1342/1342 1342 ± 0.0000249 6.521 6.269/6.706 6.373 ± 0.8236
13 1342 1342/1342 1342 ± 0.0000249 6.553 6.269/6.746 6.417 ± 0.7345
14 1342 1342/1342 1342 ± 0.00003044 5.848 5.524/6.294 5.897 ± 0.7257
15 1342 1342/1342 1342 ± 0.00002491 6.479 6.081/6.906 6.34 ± 0.8793
16 1342 1342/1342 1342 ± 0.00006016 3.554 3.382/3.714 3.508 ± 0.3965
17 1342 1342/1342 1342 ± 0.00006055 3.741 3.573/3.878 3.655 ± 0.4095
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-11 10:56:50.543
End
2025-01-11 11:49:35.687
Duration
0:52:45.145
Note, WebLog generation is not included in the time.

CASA logs for stage 8