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

Statwt Summary Plot

VLASS2.1.sb38508014.eb38518655.59051.788119143515_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 5.339 5.131/5.937 5.526 ± 0.514
ea02 1342 1342/1342 1342 ± 0.00004594 5.662 5.241/6.192 5.797 ± 0.6037
ea04 1342 1342/1342 1342 ± 0.000005692 5.152 4.874/5.657 5.309 ± 0.5536
ea05 1342 1342/1342 1342 ± 0 5.769 5.186/6.404 5.77 ± 0.6359
ea06 1342 1342/1342 1342 ± 0 4.963 4.626/5.536 5.093 ± 0.5269
ea07 1342 1342/1342 1342 ± 0.00001991 5.611 5.149/5.896 5.654 ± 0.5728
ea08 1342 1342/1342 1342 ± 0.00004288 5.718 5.381/6.403 5.866 ± 0.5574
ea09 1342 1342/1342 1342 ± 0 5.232 4.873/5.688 5.269 ± 0.4719
ea10 1342 1342/1342 1342 ± 0.00003407 4.918 4.519/5.458 4.982 ± 0.4892
ea11 1342 1342/1342 1342 ± 0.00003184 5.594 5.205/6.303 5.75 ± 0.725
ea12 1342 1342/1342 1342 ± 0 5.389 5.068/5.723 5.414 ± 0.5203
ea13 1342 1342/1342 1342 ± 0 5.625 5.492/6.076 5.814 ± 0.4213
ea14 1342 1342/1342 1342 ± 0 5.465 5.278/6.26 5.755 ± 0.636
ea15 1342 1342/1342 1342 ± 0 5.427 5.114/6.143 5.655 ± 0.6611
ea16 1342 1342/1342 1342 ± 0 5.742 5.411/6.236 5.87 ± 0.6346
ea17 1342 1342/1342 1342 ± 0.00004936 5.631 5.288/6 5.778 ± 0.6351
ea18 1342 1342/1342 1342 ± 0.00001851 4.824 4.453/5.348 4.975 ± 0.5686
ea19 1342 1342/1342 1342 ± 0 5.861 5.335/6.534 5.913 ± 0.627
ea20 1342 1342/1342 1342 ± 0.0000105 5.633 5.54/6.494 5.809 ± 0.7169
ea21 1342 1342/1342 1342 ± 0 5.317 5.172/6.044 5.531 ± 0.5223
ea22 1342 1342/1342 1342 ± 0.000005679 5.449 5.075/6.11 5.654 ± 0.6279
ea23 1342 1342/1342 1342 ± 0.00000743 5.388 5.238/6.192 5.784 ± 0.6934
ea24 1342 1342/1342 1342 ± 0 5.376 4.748/5.839 5.31 ± 0.5512
ea25 1342 1342/1342 1342 ± 0.00004477 5.285 4.922/5.97 5.416 ± 0.6134
ea26 1342 1342/1342 1342 ± 0 5.619 5.456/6.326 5.911 ± 0.6149
ea27 1342 1342/1342 1342 ± 0.00004596 5.406 5.102/5.887 5.55 ± 0.571
ea28 1342 1342/1342 1342 ± 0.00004622 5.549 5.287/6.232 5.778 ± 0.6744
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 ± 0.00002318 5.3 5.043/5.425 5.222 ± 0.2974
4 1342 1342/1342 1342 ± 0.00002453 4.831 4.679/4.957 4.818 ± 0.2697
5 1342 1342/1342 1342 ± 0.00002677 4.973 4.714/5.144 4.962 ± 0.2801
6 1342 1342/1342 1342 ± 0.00002524 5.053 4.811/5.244 5.006 ± 0.3192
7 1342 1342/1342 1342 ± 0.00002318 5.16 4.989/5.32 5.134 ± 0.2624
8 1342 1342/1342 1342 ± 0.00002318 5.161 4.856/5.284 5.098 ± 0.2967
9 1342 1342/1342 1342 ± 0.00002318 5.464 5.139/5.661 5.385 ± 0.3037
10 1342 1342/1342 1342 ± 0.00002318 5.898 5.55/5.987 5.803 ± 0.3017
11 1342 1342/1342 1342 ± 0.00002318 6.095 5.728/6.255 6.028 ± 0.3104
12 1342 1342/1342 1342 ± 0.00002318 6.278 6.015/6.439 6.228 ± 0.3404
13 1342 1342/1342 1342 ± 0.00002318 6.709 6.3/6.92 6.632 ± 0.3894
14 1342 1342/1342 1342 ± 0.00002979 6.918 6.429/7.014 6.718 ± 0.4223
15 1342 1342/1342 1342 ± 0.00004273 5.893 5.623/6.244 5.901 ± 0.4429
16 1342 1342/1342 1342 ± 0.00005579 5.202 4.809/5.409 5.137 ± 0.3824
17 1342 1342/1342 1342 ± 0.00005226 5.316 4.902/5.647 5.314 ± 0.4324
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38508014.eb38518655.59051.788119143515_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-02-01 04:45:49.538
End
2025-02-01 05:21:07.671
Duration
0:35:18.133
Note, WebLog generation is not included in the time.

CASA logs for stage 8