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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.557 5.2/6.03 5.639 ± 0.5539
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.469 5.053/6.047 5.606 ± 0.571
ea05 1342 1342/1342 1342 ± 0 5.685 5.314/6.285 5.802 ± 0.5941
ea06 1342 1342/1342 1342 ± 0 5.046 4.798/5.466 5.121 ± 0.4026
ea07 1342 1342/1342 1342 ± 0 5.9 5.374/6.177 5.904 ± 0.5767
ea08 1342 1342/1342 1342 ± 0 5.81 5.384/6.495 5.965 ± 0.6674
ea09 1342 1342/1342 1342 ± 0 5.645 5.117/6.346 5.703 ± 0.6229
ea10 1342 1342/1342 1342 ± 0 5.708 5.2/6.479 5.802 ± 0.6602
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.762 5.29/6.323 5.899 ± 0.6411
ea13 1342 1342/1342 1342 ± 0 5.938 5.616/6.274 6.01 ± 0.5005
ea14 1342 1342/1342 1342 ± 0 5.731 5.186/6.278 5.758 ± 0.6546
ea15 1342 1342/1342 1342 ± 0 5.512 5.031/6.083 5.623 ± 0.6708
ea16 1342 1342/1342 1342 ± 0 6.06 5.582/6.511 6.13 ± 0.7209
ea17 1342 1342/1342 1342 ± 0.000001885 5.922 5.506/6.408 6.022 ± 0.6274
ea18 1342 1342/1342 1342 ± 0 4.984 4.699/5.401 5.081 ± 0.5052
ea19 1342 1342/1342 1342 ± 0 5.93 5.493/6.559 6.091 ± 0.6261
ea20 1342 1342/1342 1342 ± 0 6.049 5.675/6.729 6.181 ± 0.6481
ea21 1342 1342/1342 1342 ± 0 5.558 5.296/6.192 5.727 ± 0.5417
ea22 1342 1342/1342 1342 ± 0 5.632 5.148/6.264 5.717 ± 0.6513
ea23 1342 1342/1342 1342 ± 0 5.961 5.38/6.485 5.987 ± 0.67
ea25 1342 1342/1342 1342 ± 0 5.523 5.127/6.076 5.591 ± 0.5698
ea26 1342 1342/1342 1342 ± 0 5.936 5.513/6.587 6.029 ± 0.6763
ea27 1342 1342/1342 1342 ± 0.00001593 5.527 5.163/6.311 5.672 ± 0.6273
ea28 1342 1342/1342 1342 ± 0 5.556 5.27/6.292 5.764 ± 0.6429
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 ± 0.00002445 5.343 5.135/5.529 5.319 ± 0.2442
3 1342 1342/1342 1342 ± 0.00002611 4.976 4.844/5.285 5.028 ± 0.28
4 1342 1342/1342 1342 ± 0.00002459 5.055 4.92/5.265 5.081 ± 0.2844
5 1342 1342/1342 1342 ± 0.00002445 5.295 5.056/5.422 5.261 ± 0.2909
6 1342 1342/1342 1342 ± 0.00002445 5.222 5.051/5.401 5.218 ± 0.2681
7 1342 1342/1342 1342 ± 0.00002445 5.293 5.162/5.496 5.293 ± 0.2381
8 1342 1342/1342 1342 ± 0.00002445 5.294 5.108/5.48 5.255 ± 0.2655
9 1342 1342/1342 1342 ± 0.00002445 5.532 5.392/5.794 5.535 ± 0.2948
10 1342 1342/1342 1342 ± 0.00002445 5.994 5.831/6.157 5.962 ± 0.2949
11 1342 1342/1342 1342 ± 0.00002445 6.243 6.094/6.423 6.186 ± 0.3161
12 1342 1342/1342 1342 ± 0.00002445 6.356 6.167/6.505 6.332 ± 0.3368
13 1342 1342/1342 1342 ± 0.00002445 6.769 6.631/6.978 6.746 ± 0.3527
14 1342 1342/1342 1342 ± 0.00002445 6.917 6.75/7.216 6.905 ± 0.3812
15 1342 1342/1342 1342 ± 0.00002445 6.612 6.427/6.765 6.534 ± 0.3566
16 1342 1342/1342 1342 ± 0.0000263 5.925 5.772/6.122 5.911 ± 0.3118
17 1342 1342/1342 1342 ± 0.00002572 5.903 5.733/6.105 5.89 ± 0.2987
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-05-01 10:11:16.749
End
2024-05-01 11:13:59.614
Duration
1:02:42.866
Note, WebLog generation is not included in the time.

CASA logs for stage 7