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 5.804 5.37/6.42 5.653 ± 0.9433
ea03 1342 1342/1342 1342 ± 0.00001659 5.025 4.672/5.923 5.193 ± 0.7412
ea04 1342 1342/1342 1342 ± 0.000002443 5.437 5.092/6.04 5.409 ± 0.9285
ea05 1342 1342/1342 1342 ± 0 5.329 4.894/6.1 5.477 ± 0.8494
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00001756 5.918 5.407/6.423 5.744 ± 0.9531
ea08 1342 1342/1342 1342 ± 0.00004826 6.145 5.444/6.646 5.797 ± 1.101
ea09 1342 1342/1342 1342 ± 0.00003432 5.723 5.189/6.269 5.66 ± 0.7296
ea10 1342 1342/1342 1342 ± 0.00002881 5.786 5.241/6.605 5.711 ± 0.9295
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003446 5.583 5.278/6.539 5.725 ± 1.031
ea13 1342 1342/1342 1342 ± 0.00001891 5.744 5.418/6.338 5.711 ± 0.8
ea14 1342 1342/1342 1342 ± 0.00001847 5.527 5.102/6.352 5.571 ± 0.9028
ea15 1342 1342/1342 1342 ± 0 2.563 2.35/2.986 2.672 ± 0.5071
ea17 1342 1342/1342 1342 ± 0.00004346 6.094 5.63/6.826 6.031 ± 1.116
ea18 1342 1342/1342 1342 ± 0.0000447 4.827 4.664/5.511 4.857 ± 0.6922
ea19 1342 1342/1342 1342 ± 0.00001166 5.61 5.293/6.397 5.758 ± 0.8745
ea20 1342 1342/1342 1342 ± 0.00004329 5.817 5.584/7.038 5.998 ± 1.077
ea21 1342 1342/1342 1342 ± 0.000005978 5.619 5.173/6.501 5.718 ± 0.919
ea23 1342 1342/1342 1342 ± 0.00001308 5.512 5.238/5.659 5.203 ± 0.7947
ea24 1342 1342/1342 1342 ± 0.00003584 5.551 5.345/6.265 5.678 ± 0.7273
ea25 1342 1342/1342 1342 ± 0.00004359 5.546 5.152/6.176 5.46 ± 0.9298
ea26 1342 1342/1342 1342 ± 0.000006829 5.804 5.647/6.664 6.006 ± 0.8072
ea27 1342 1342/1342 1342 ± 0.00004258 5.455 5.143/6.506 5.502 ± 0.9588
ea28 1342 1342/1342 1342 ± 0.00003471 5.365 5.172/6.184 5.542 ± 0.7379
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 ± 0.00002515 5.371 5.256/5.632 5.285 ± 0.6151
5 1342 1342/1342 1342 ± 0.0000257 5.244 5.089/5.5 5.151 ± 0.6529
6 1342 1342/1342 1342 ± 0.00002549 5.226 5.075/5.419 5.118 ± 0.6216
7 1342 1342/1342 1342 ± 0.00002538 5.357 5.245/5.493 5.225 ± 0.683
8 1342 1342/1342 1342 ± 0.00002538 5.295 5.147/5.446 5.179 ± 0.6914
9 1342 1342/1342 1342 ± 0.00002561 5.533 5.256/5.794 5.386 ± 0.741
10 1342 1342/1342 1342 ± 0.00002493 6.016 5.732/6.286 5.83 ± 0.7916
11 1342 1342/1342 1342 ± 0.00002493 6.345 6.041/6.555 6.159 ± 0.7505
12 1342 1342/1342 1342 ± 0.00002493 6.502 6.327/6.662 6.36 ± 0.7915
13 1342 1342/1342 1342 ± 0.00002493 6.64 6.322/6.858 6.477 ± 0.7219
14 1342 1342/1342 1342 ± 0.0000281 6.187 5.803/6.767 6.205 ± 0.7349
15 1342 1342/1342 1342 ± 0.00002493 6.428 6.036/6.817 6.304 ± 0.8346
16 1342 1342/1342 1342 ± 0.00006102 3.707 3.525/3.888 3.659 ± 0.4101
17 1342 1342/1342 1342 ± 0.00006098 3.861 3.7/4.062 3.834 ± 0.4314
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-11 16:18:13.826
End
2025-01-11 17:17:21.188
Duration
0:59:07.362
Note, WebLog generation is not included in the time.

CASA logs for stage 8