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

Statwt Summary Plot

VLASS2.1.sb38447583.eb38589602.59083.73025677083_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 5.335 5.226/5.967 5.615 ± 0.5439
ea02 1342 1342/1342 1342 ± 0.00005085 5.008 4.72/5.346 5.005 ± 0.407
ea04 1342 1342/1342 1342 ± 0.000004001 5.172 4.915/6.007 5.367 ± 0.6809
ea05 1342 1342/1342 1342 ± 0.000001611 5.228 4.933/6.2 5.471 ± 0.6795
ea06 1342 1342/1342 1342 ± 0.000009451 4.662 4.494/5.336 4.834 ± 0.5674
ea07 1342 1342/1342 1342 ± 0.00001897 5.224 4.836/5.436 5.185 ± 0.5512
ea08 1342 1342/1342 1342 ± 0.00004037 5.51 5.317/6.394 5.836 ± 0.6793
ea09 1342 1342/1342 1342 ± 0.00004068 5.136 4.843/5.801 5.24 ± 0.609
ea10 1342 1342/1342 1342 ± 0.00004117 4.919 4.636/5.721 5.103 ± 0.5683
ea11 1342 1342/1342 1342 ± 0.00003544 4.964 4.683/5.498 5.064 ± 0.4678
ea12 1342 1342/1342 1342 ± 0.00003086 5.389 5.142/6.244 5.519 ± 0.734
ea13 1342 1342/1342 1342 ± 0.00001623 5.394 5.109/5.578 5.337 ± 0.3708
ea14 1342 1342/1342 1342 ± 0.000008392 5.308 5.005/6.302 5.621 ± 0.7045
ea15 1342 1342/1342 1342 ± 0.000001171 4.987 4.886/6 5.379 ± 0.7548
ea16 1342 1342/1342 1342 ± 0.000004228 5.489 5.254/6.433 5.743 ± 0.7627
ea17 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea18 1342 1342/1342 1342 ± 0.00003593 4.717 4.476/5.306 4.795 ± 0.4943
ea19 1342 1342/1342 1342 ± 0.000003915 5.418 5.184/6.353 5.661 ± 0.6971
ea20 1342 1342/1342 1342 ± 0.00003014 5.692 5.301/6.6 5.804 ± 0.8098
ea21 1342 1342/1342 1342 ± 0 5.153 5/5.997 5.423 ± 0.6489
ea22 1342 1342/1342 1342 ± 0.00004097 5.126 4.836/5.962 5.327 ± 0.6203
ea23 1342 1342/1342 1342 ± 0 5.275 5.036/6.219 5.576 ± 0.7323
ea25 1342 1342/1342 1342 ± 0.00003509 4.944 4.774/5.337 5.048 ± 0.4314
ea26 1342 1342/1342 1342 ± 0.00003762 5.437 5.176/6.264 5.603 ± 0.6908
ea27 1342 1342/1342 1342 ± 0.0000415 4.846 4.608/5.498 4.918 ± 0.579
ea28 1342 1342/1342 1342 ± 0.00003874 4.77 4.684/5.238 4.962 ± 0.3422
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 ± 0.00002505 5.215 4.947/5.334 5.147 ± 0.2723
3 1342 1342/1342 1342 ± 0.00002505 4.966 4.696/5.177 4.934 ± 0.2835
4 1342 1342/1342 1342 ± 0.0000341 4.954 4.759/5.061 4.871 ± 0.3596
5 1342 1342/1342 1342 ± 0.00002505 5.003 4.744/5.138 4.987 ± 0.2663
6 1342 1342/1342 1342 ± 0.00002505 4.932 4.808/5.172 4.944 ± 0.2499
7 1342 1342/1342 1342 ± 0.00002505 4.98 4.744/5.215 5.005 ± 0.2765
8 1342 1342/1342 1342 ± 0.00002505 4.906 4.752/5.204 4.958 ± 0.2848
9 1342 1342/1342 1342 ± 0.00002505 5.217 5.004/5.444 5.199 ± 0.3077
10 1342 1342/1342 1342 ± 0.00002505 5.541 5.313/5.836 5.558 ± 0.3104
11 1342 1342/1342 1342 ± 0.00002505 5.869 5.424/6.043 5.785 ± 0.3695
12 1342 1342/1342 1342 ± 0.00002505 5.987 5.477/6.268 5.905 ± 0.4259
13 1342 1342/1342 1342 ± 0.00002505 6.386 5.806/6.71 6.254 ± 0.4989
14 1342 1342/1342 1342 ± 0.00002505 6.52 5.759/6.739 6.32 ± 0.5356
15 1342 1342/1342 1342 ± 0.00002505 6.126 5.473/6.455 6.016 ± 0.5006
16 1342 1342/1342 1342 ± 0.00006098 4.372 4.226/4.623 4.419 ± 0.3403
17 1342 1342/1342 1342 ± 0.00006053 4.378 4.227/4.608 4.404 ± 0.3316
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38447583.eb38589602.59083.73025677083_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-11-16 14:09:31.707
End
2024-11-16 15:05:28.402
Duration
0:55:56.696
Note, WebLog generation is not included in the time.

CASA logs for stage 8