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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.343 5.834/6.736 6.379 ± 0.6513
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00003154 5.829 5.455/6.235 5.944 ± 0.5732
ea06 1342 1342/1342 1342 ± 0 5.948 5.661/6.453 6.06 ± 0.5586
ea07 1342 1342/1342 1342 ± 0 6.098 5.695/6.279 6.135 ± 0.5491
ea08 1342 1342/1342 1342 ± 0.000005421 6.246 5.886/6.846 6.393 ± 0.622
ea09 1342 1342/1342 1342 ± 0 6.124 5.585/6.77 6.213 ± 0.6403
ea10 1342 1342/1342 1342 ± 0 6.105 5.646/6.91 6.244 ± 0.669
ea11 1342 1342/1342 1342 ± 0 6.01 5.727/6.563 6.159 ± 0.6108
ea12 1342 1342/1342 1342 ± 0 6.268 5.782/6.692 6.3 ± 0.6257
ea13 1342 1342/1342 1342 ± 0.000004643 5.834 5.683/6.25 5.947 ± 0.5094
ea14 1342 1342/1342 1342 ± 0 6.295 5.976/6.959 6.522 ± 0.6696
ea15 1342 1342/1342 1342 ± 0 5.712 5.337/6.069 5.759 ± 0.5449
ea16 1342 1342/1342 1342 ± 0 6.374 5.934/6.896 6.504 ± 0.6877
ea17 1342 1342/1342 1342 ± 0 6.426 6.119/7.315 6.671 ± 0.6411
ea18 1342 1342/1342 1342 ± 0 5.093 4.74/5.53 5.167 ± 0.52
ea19 1342 1342/1342 1342 ± 0 6.411 6.198/7.228 6.654 ± 0.6933
ea20 1342 1342/1342 1342 ± 0 6.018 5.857/6.923 6.305 ± 0.6113
ea21 1342 1342/1342 1342 ± 0 5.999 5.764/6.592 6.236 ± 0.5789
ea22 1342 1342/1342 1342 ± 0 6.272 5.553/6.515 6.112 ± 0.6433
ea23 1342 1342/1342 1342 ± 0 6.231 6.028/6.882 6.512 ± 0.6499
ea24 1342 1342/1342 1342 ± 0 6.069 5.29/6.528 5.939 ± 0.5905
ea26 1342 1342/1342 1342 ± 0 6.372 5.927/7.105 6.516 ± 0.7148
ea27 1342 1342/1342 1342 ± 0 6.113 5.883/7.107 6.425 ± 0.6927
ea28 1342 1342/1342 1342 ± 0 6.032 5.926/6.918 6.404 ± 0.715
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 5.874 5.64/6.042 5.805 ± 0.3438
4 1342 1342/1342 1342 ± 0.00003189 5.32 5.136/5.479 5.291 ± 0.3798
5 1342 1342/1342 1342 ± 0.00002442 5.81 5.565/5.993 5.742 ± 0.3776
6 1342 1342/1342 1342 ± 0.00002442 5.712 5.459/5.883 5.658 ± 0.2966
7 1342 1342/1342 1342 ± 0.00002442 5.746 5.453/5.94 5.69 ± 0.3245
8 1342 1342/1342 1342 ± 0.00002442 5.635 5.32/5.828 5.598 ± 0.3489
9 1342 1342/1342 1342 ± 0.00002442 5.956 5.638/6.148 5.873 ± 0.3473
10 1342 1342/1342 1342 ± 0.00002442 6.373 6.172/6.568 6.3 ± 0.3514
11 1342 1342/1342 1342 ± 0.00002442 6.551 6.377/6.812 6.529 ± 0.378
12 1342 1342/1342 1342 ± 0.00002442 6.718 6.416/6.925 6.665 ± 0.4069
13 1342 1342/1342 1342 ± 0.00002442 7.166 6.874/7.515 7.146 ± 0.4344
14 1342 1342/1342 1342 ± 0.00002442 7.38 7.144/7.738 7.38 ± 0.4259
15 1342 1342/1342 1342 ± 0.00002442 7.071 6.656/7.377 7.036 ± 0.4327
16 1342 1342/1342 1342 ± 0.00002442 6.23 6.004/6.502 6.232 ± 0.3966
17 1342 1342/1342 1342 ± 0.00002557 6.189 5.932/6.323 6.106 ± 0.3676
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-04-18 09:44:55.958
End
2025-04-18 10:23:08.188
Duration
0:38:12.230
Note, WebLog generation is not included in the time.

CASA logs for stage 8