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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.315 4.984/5.761 5.447 ± 0.5315
ea02 1342 1342/1342 1342 ± 0.000004688 5.472 5.153/6.226 5.723 ± 0.6459
ea04 1342 1342/1342 1342 ± 0 5.192 4.886/5.869 5.396 ± 0.5718
ea05 1342 1342/1342 1342 ± 0 5.419 5.02/5.937 5.521 ± 0.5978
ea06 1342 1342/1342 1342 ± 0 4.917 4.524/5.424 4.991 ± 0.5151
ea07 1342 1342/1342 1342 ± 0 5.7 5.149/5.986 5.692 ± 0.581
ea08 1342 1342/1342 1342 ± 0 5.598 5.231/6.338 5.834 ± 0.6605
ea09 1342 1342/1342 1342 ± 0 5.386 5.019/6.067 5.529 ± 0.6223
ea10 1342 1342/1342 1342 ± 0 5.652 5.011/6.295 5.651 ± 0.6791
ea11 1342 1342/1342 1342 ± 0 5.531 4.914/6.054 5.558 ± 0.6552
ea12 1342 1342/1342 1342 ± 0 5.474 5.055/6.148 5.668 ± 0.6562
ea13 1342 1342/1342 1342 ± 0 5.691 5.484/6.121 5.875 ± 0.5066
ea14 1342 1342/1342 1342 ± 0 5.5 4.965/6.106 5.589 ± 0.6767
ea15 1342 1342/1342 1342 ± 0 5.322 4.843/6.021 5.468 ± 0.6871
ea16 1342 1342/1342 1342 ± 0 5.836 5.367/6.495 5.984 ± 0.7282
ea17 1342 1342/1342 1342 ± 0 5.666 5.271/6.211 5.784 ± 0.6223
ea18 1342 1342/1342 1342 ± 0 4.756 4.498/5.271 4.897 ± 0.5087
ea19 1342 1342/1342 1342 ± 0 5.706 5.263/6.456 5.904 ± 0.6597
ea20 1342 1342/1342 1342 ± 0 5.872 5.451/6.531 6.012 ± 0.6638
ea21 1342 1342/1342 1342 ± 0 5.464 5.108/5.987 5.58 ± 0.5638
ea22 1342 1342/1342 1342 ± 0 5.284 4.934/5.98 5.486 ± 0.6675
ea23 1342 1342/1342 1342 ± 0 5.726 5.157/6.217 5.802 ± 0.6868
ea25 1342 1342/1342 1342 ± 0 5.262 4.919/5.785 5.393 ± 0.5593
ea26 1342 1342/1342 1342 ± 0 5.74 5.332/6.634 5.885 ± 0.6584
ea27 1342 1342/1342 1342 ± 0 5.292 4.956/6.111 5.49 ± 0.5936
ea28 1342 1342/1342 1342 ± 0.00002304 5.414 5.116/6.148 5.628 ± 0.6431
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 ± 0.0000235 5.052 4.923/5.281 5.073 ± 0.241
3 1342 1342/1342 1342 ± 0.0000235 5.042 4.858/5.191 5.028 ± 0.2471
4 1342 1342/1342 1342 ± 0.00002353 4.933 4.761/5.132 4.928 ± 0.2964
5 1342 1342/1342 1342 ± 0.0000235 5.058 4.81/5.16 5.021 ± 0.2947
6 1342 1342/1342 1342 ± 0.0000235 5.043 4.839/5.239 5.029 ± 0.2736
7 1342 1342/1342 1342 ± 0.0000235 5.103 4.927/5.224 5.086 ± 0.2456
8 1342 1342/1342 1342 ± 0.0000235 5.121 4.877/5.244 5.059 ± 0.2636
9 1342 1342/1342 1342 ± 0.0000235 5.348 5.223/5.579 5.347 ± 0.2984
10 1342 1342/1342 1342 ± 0.0000235 5.796 5.632/5.962 5.767 ± 0.2907
11 1342 1342/1342 1342 ± 0.0000235 6.067 5.857/6.18 5.987 ± 0.3006
12 1342 1342/1342 1342 ± 0.0000235 6.144 5.911/6.338 6.081 ± 0.4371
13 1342 1342/1342 1342 ± 0.0000235 6.571 6.477/6.718 6.571 ± 0.3291
14 1342 1342/1342 1342 ± 0.0000235 6.804 6.58/6.97 6.753 ± 0.3587
15 1342 1342/1342 1342 ± 0.0000235 6.487 6.261/6.693 6.424 ± 0.3469
16 1342 1342/1342 1342 ± 0.0000247 5.778 5.485/5.975 5.773 ± 0.3441
17 1342 1342/1342 1342 ± 0.00002833 5.78 5.529/6.041 5.787 ± 0.3411
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
overwrite_modelcol
False
Start time
2025-01-08 11:29:45.900
End
2025-01-08 12:26:35.753
Duration
0:56:49.853
Note, WebLog generation is not included in the time.

CASA logs for stage 8