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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.738 5.416/6.197 5.806 ± 0.5474
ea02 1342 1342/1342 1342 ± 0 5.835 5.382/6.649 6.008 ± 0.676
ea04 1342 1342/1342 1342 ± 0.000007301 5.42 4.97/5.999 5.489 ± 0.6118
ea05 1342 1342/1342 1342 ± 0.000006557 5.841 5.082/6.378 5.693 ± 0.6488
ea06 1342 1342/1342 1342 ± 0 4.766 4.391/5.128 4.757 ± 0.4188
ea07 1342 1342/1342 1342 ± 0 6.079 5.475/6.383 6.06 ± 0.6279
ea08 1342 1342/1342 1342 ± 0.000003376 5.883 5.565/6.781 6.142 ± 0.7071
ea09 1342 1342/1342 1342 ± 0 5.47 5.091/6.414 5.664 ± 0.6641
ea10 1342 1342/1342 1342 ± 0 5.978 5.341/6.74 6.022 ± 0.733
ea11 1342 1342/1342 1342 ± 0 5.985 5.248/6.446 5.919 ± 0.6989
ea12 1342 1342/1342 1342 ± 0 5.831 5.235/6.356 5.855 ± 0.6572
ea13 1342 1342/1342 1342 ± 0 5.853 5.49/6.248 5.934 ± 0.5603
ea14 1342 1342/1342 1342 ± 0 5.962 5.195/6.36 5.845 ± 0.6874
ea15 1342 1342/1342 1342 ± 0 5.557 4.818/6.106 5.529 ± 0.7338
ea16 1342 1342/1342 1342 ± 0 6.124 5.552/6.699 6.227 ± 0.748
ea17 1342 1342/1342 1342 ± 0.0000141 6.134 5.544/6.916 6.223 ± 0.6989
ea18 1342 1342/1342 1342 ± 0 5.14 4.699/5.681 5.186 ± 0.5424
ea19 1342 1342/1342 1342 ± 0 6.183 5.378/6.662 6.084 ± 0.7308
ea20 1342 1342/1342 1342 ± 0 6.268 5.593/6.803 6.163 ± 0.6874
ea21 1342 1342/1342 1342 ± 0 5.748 5.174/6.28 5.746 ± 0.6366
ea22 1342 1342/1342 1342 ± 0 5.323 5.077/6.253 5.641 ± 0.6412
ea23 1342 1342/1342 1342 ± 0 6.226 5.457/6.699 6.176 ± 0.7227
ea25 1342 1342/1342 1342 ± 0 5.812 5.292/6.305 5.818 ± 0.6188
ea26 1342 1342/1342 1342 ± 0 5.774 5.382/6.806 6.012 ± 0.7265
ea27 1342 1342/1342 1342 ± 0.00001956 5.708 5.484/6.591 5.907 ± 0.6374
ea28 1342 1342/1342 1342 ± 0.00002173 5.729 5.511/6.669 6.016 ± 0.69
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 ± 0.00002351 5.334 5.053/5.468 5.268 ± 0.2972
3 1342 1342/1342 1342 ± 0.00002493 5.185 5.026/5.356 5.154 ± 0.2737
4 1342 1342/1342 1342 ± 0.00002531 5.13 4.834/5.335 5.065 ± 0.3244
5 1342 1342/1342 1342 ± 0.00002351 5.288 5.077/5.528 5.269 ± 0.354
6 1342 1342/1342 1342 ± 0.00002351 5.241 5.055/5.437 5.205 ± 0.3243
7 1342 1342/1342 1342 ± 0.00002351 5.337 5.182/5.513 5.273 ± 0.2988
8 1342 1342/1342 1342 ± 0.00002351 5.316 5.121/5.489 5.247 ± 0.323
9 1342 1342/1342 1342 ± 0.00002351 5.608 5.356/5.888 5.548 ± 0.3873
10 1342 1342/1342 1342 ± 0.00002351 6.115 5.853/6.249 6.014 ± 0.3595
11 1342 1342/1342 1342 ± 0.00002351 6.31 6.043/6.496 6.24 ± 0.3734
12 1342 1342/1342 1342 ± 0.00002351 6.418 6.255/6.676 6.412 ± 0.392
13 1342 1342/1342 1342 ± 0.00002351 6.937 6.733/7.154 6.87 ± 0.4147
14 1342 1342/1342 1342 ± 0.00002351 7.145 6.854/7.431 7.057 ± 0.4716
15 1342 1342/1342 1342 ± 0.00002351 6.725 6.468/6.938 6.632 ± 0.4391
16 1342 1342/1342 1342 ± 0.00002932 5.911 5.721/6.223 5.917 ± 0.3912
17 1342 1342/1342 1342 ± 0.00002893 5.984 5.667/6.134 5.919 ± 0.3746
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-07 08:03:20.898
End
2025-01-07 09:13:37.863
Duration
1:10:16.964
Note, WebLog generation is not included in the time.

CASA logs for stage 8