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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.444 5.294/5.861 5.615 ± 0.5168
ea02 1342 1342/1342 1342 ± 0.00001035 5.727 5.422/6.311 5.879 ± 0.6227
ea04 1342 1342/1342 1342 ± 0 5.429 5.137/5.911 5.551 ± 0.4739
ea05 1342 1342/1342 1342 ± 0 5.735 5.411/6.209 5.824 ± 0.5507
ea06 1342 1342/1342 1342 ± 0 5.49 5.043/5.843 5.458 ± 0.4584
ea07 1342 1342/1342 1342 ± 0 5.174 5.1/5.474 5.257 ± 0.2333
ea08 1342 1342/1342 1342 ± 0.00002683 5.787 5.528/6.536 6.037 ± 0.6731
ea09 1342 1342/1342 1342 ± 0 5.111 4.936/5.743 5.295 ± 0.4309
ea10 1342 1342/1342 1342 ± 0.00003081 5.183 4.981/5.936 5.397 ± 0.5503
ea11 1342 1342/1342 1342 ± 0.000001227 5.687 5.326/6.244 5.809 ± 0.5469
ea13 1342 1342/1342 1342 ± 0 5.982 5.798/6.209 6.103 ± 0.4303
ea14 1342 1342/1342 1342 ± 0 5.691 5.361/6.357 5.863 ± 0.6015
ea15 1342 1342/1342 1342 ± 0 5.728 5.373/6.3 5.898 ± 0.625
ea16 1342 1342/1342 1342 ± 0 5.94 5.572/6.371 6.078 ± 0.623
ea17 1342 1342/1342 1342 ± 0.000003438 5.679 5.527/5.834 5.637 ± 0.2219
ea18 1342 1342/1342 1342 ± 0 5.073 4.797/5.497 5.18 ± 0.51
ea19 1342 1342/1342 1342 ± 0 5.704 5.583/5.877 5.723 ± 0.1433
ea20 1342 1342/1342 1342 ± 0 5.908 5.625/6.528 6.071 ± 0.5692
ea21 1342 1342/1342 1342 ± 0 5.57 5.41/6.168 5.792 ± 0.485
ea22 1342 1342/1342 1342 ± 0 5.4 5.202/6.183 5.693 ± 0.6231
ea23 1342 1342/1342 1342 ± 0 5.655 5.526/6.322 5.966 ± 0.6233
ea24 1342 1342/1342 1342 ± 0 5.547 5.054/6.118 5.597 ± 0.5661
ea25 1342 1342/1342 1342 ± 0.000005295 5.483 5.317/6.111 5.712 ± 0.5442
ea26 1342 1342/1342 1342 ± 0 5.927 5.764/6.671 6.203 ± 0.6402
ea27 1342 1342/1342 1342 ± 0.000007282 5.479 5.194/5.516 5.374 ± 0.2006
ea28 1342 1342/1342 1342 ± 0.00003979 5.619 5.434/6.348 5.858 ± 0.6078
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 ± 0.00002369 5.503 5.33/5.649 5.464 ± 0.2682
3 1342 1342/1342 1342 ± 0.0000241 5.061 4.892/5.272 5.114 ± 0.3393
4 1342 1342/1342 1342 ± 0.00002401 5.434 5.2/5.575 5.384 ± 0.3234
5 1342 1342/1342 1342 ± 0.00002369 5.406 5.179/5.591 5.384 ± 0.2955
6 1342 1342/1342 1342 ± 0.00002369 5.362 5.105/5.504 5.318 ± 0.2615
7 1342 1342/1342 1342 ± 0.00002369 5.384 5.086/5.53 5.354 ± 0.2591
8 1342 1342/1342 1342 ± 0.00002369 5.388 5.015/5.51 5.302 ± 0.2899
9 1342 1342/1342 1342 ± 0.00002373 5.619 5.369/5.808 5.565 ± 0.3118
10 1342 1342/1342 1342 ± 0.0000257 6 5.798/6.1 5.92 ± 0.3086
11 1342 1342/1342 1342 ± 0.0000257 6.212 5.912/6.31 6.132 ± 0.2958
12 1342 1342/1342 1342 ± 0.0000257 6.306 6.068/6.446 6.266 ± 0.3015
13 1342 1342/1342 1342 ± 0.0000257 6.74 6.369/6.944 6.663 ± 0.3538
14 1342 1342/1342 1342 ± 0.0000257 6.888 6.522/7.112 6.849 ± 0.3791
15 1342 1342/1342 1342 ± 0.0000257 6.62 6.271/6.835 6.521 ± 0.3974
16 1342 1342/1342 1342 ± 0.0000419 5.573 5.435/5.88 5.659 ± 0.3203
17 1342 1342/1342 1342 ± 0.00003945 5.631 5.481/5.971 5.702 ± 0.3051
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-13 05:28:38.702
End
2024-04-13 06:18:47.394
Duration
0:50:08.692
Note, WebLog generation is not included in the time.

CASA logs for stage 7