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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.273 5.13/5.832 5.502 ± 0.5183
ea02 1342 1342/1342 1342 ± 0.00001964 5.769 5.229/6.284 5.851 ± 0.649
ea04 1342 1342/1342 1342 ± 0.000005086 5.253 4.985/5.889 5.48 ± 0.5584
ea05 1342 1342/1342 1342 ± 0 5.876 5.274/6.495 5.867 ± 0.6476
ea06 1342 1342/1342 1342 ± 0 4.829 4.707/5.369 5.001 ± 0.4455
ea07 1342 1342/1342 1342 ± 0.00001113 5.657 5.217/6.157 5.777 ± 0.6286
ea08 1342 1342/1342 1342 ± 0.00002771 5.858 5.454/6.509 6.03 ± 0.6604
ea10 1342 1342/1342 1342 ± 0.00002579 5.421 5.125/6.451 5.727 ± 0.7133
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.4 5.159/6.155 5.717 ± 0.6908
ea13 1342 1342/1342 1342 ± 0 6.216 5.635/6.445 6.098 ± 0.5357
ea14 1342 1342/1342 1342 ± 0 5.493 5.181/6.254 5.668 ± 0.6673
ea15 1342 1342/1342 1342 ± 0 5.394 4.999/6.096 5.586 ± 0.6641
ea16 1342 1342/1342 1342 ± 0 5.883 5.506/6.687 6.049 ± 0.7626
ea17 1342 1342/1342 1342 ± 0.00004501 5.642 5.302/6.323 5.887 ± 0.7029
ea18 1342 1342/1342 1342 ± 0.000003219 4.778 4.458/5.343 4.93 ± 0.5603
ea19 1342 1342/1342 1342 ± 0 5.956 5.394/6.626 6.023 ± 0.6635
ea20 1342 1342/1342 1342 ± 0 5.722 5.43/6.612 5.982 ± 0.7489
ea21 1342 1342/1342 1342 ± 0 5.5 5.183/6.245 5.706 ± 0.623
ea22 1342 1342/1342 1342 ± 0.000002302 5.856 5.121/6.303 5.744 ± 0.6674
ea23 1342 1342/1342 1342 ± 0.000003941 5.46 5.333/6.303 5.863 ± 0.708
ea25 1342 1342/1342 1342 ± 0.00004231 5.157 4.902/5.95 5.478 ± 0.6698
ea26 1342 1342/1342 1342 ± 0 6.237 5.563/6.708 6.122 ± 0.6285
ea27 1342 1342/1342 1342 ± 0.00004612 5.268 5.015/6.266 5.565 ± 0.636
ea28 1342 1342/1342 1342 ± 0.00003993 5.516 5.235/6.302 5.749 ± 0.6709
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 ± 0.00002442 5.231 5.035/5.473 5.25 ± 0.2588
3 1342 1342/1342 1342 ± 0.00002732 4.982 4.775/5.124 4.979 ± 0.2922
5 1342 1342/1342 1342 ± 0.00002442 5.192 4.97/5.299 5.15 ± 0.3209
6 1342 1342/1342 1342 ± 0.00002442 5.216 4.993/5.39 5.2 ± 0.2772
7 1342 1342/1342 1342 ± 0.00002442 5.225 5.118/5.43 5.254 ± 0.2459
8 1342 1342/1342 1342 ± 0.00002442 5.228 5.047/5.387 5.204 ± 0.27
9 1342 1342/1342 1342 ± 0.00002442 5.509 5.385/5.77 5.522 ± 0.2942
10 1342 1342/1342 1342 ± 0.00002442 5.972 5.844/6.12 5.928 ± 0.3168
11 1342 1342/1342 1342 ± 0.00002442 6.251 6.101/6.337 6.173 ± 0.3155
12 1342 1342/1342 1342 ± 0.00002442 6.418 6.191/6.577 6.346 ± 0.3483
13 1342 1342/1342 1342 ± 0.00002442 6.797 6.703/7.035 6.793 ± 0.3678
14 1342 1342/1342 1342 ± 0.00002442 7.112 6.848/7.268 6.997 ± 0.4056
15 1342 1342/1342 1342 ± 0.00003898 6.242 5.914/6.419 6.187 ± 0.4568
16 1342 1342/1342 1342 ± 0.0000528 5.339 5.065/5.789 5.377 ± 0.5072
17 1342 1342/1342 1342 ± 0.00004955 5.444 5.268/5.919 5.512 ± 0.5151
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-21 08:28:33.756
End
2024-12-21 09:09:49.696
Duration
0:41:15.939
Note, WebLog generation is not included in the time.

CASA logs for stage 8