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

Statwt Summary Plot

VLASS2.1.sb38539165.eb38696919.59128.74249967592_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 5.421 5.107/5.91 5.536 ± 0.5025
ea02 1342 1342/1342 1342 ± 0 5.657 5.179/6.247 5.762 ± 0.6493
ea03 1342 1342/1342 1342 ± 0 5.146 4.528/5.705 5.156 ± 0.6401
ea04 1342 1342/1342 1342 ± 0 5.476 5.08/6.044 5.618 ± 0.5657
ea05 1342 1342/1342 1342 ± 0 5.578 5.092/6.108 5.661 ± 0.6097
ea06 1342 1342/1342 1342 ± 0 4.966 4.766/5.422 5.083 ± 0.3849
ea07 1342 1342/1342 1342 ± 0 5.822 5.34/6.145 5.862 ± 0.5949
ea08 1342 1342/1342 1342 ± 0 5.828 5.456/6.495 5.98 ± 0.6525
ea09 1342 1342/1342 1342 ± 0 5.551 5.064/6.202 5.639 ± 0.6729
ea10 1342 1342/1342 1342 ± 0 5.757 5.24/6.468 5.82 ± 0.6618
ea11 1342 1342/1342 1342 ± 0 6.2 5.802/6.556 6.186 ± 0.6606
ea12 1342 1342/1342 1342 ± 0 5.647 5.315/6.208 5.842 ± 0.5899
ea13 1342 1342/1342 1342 ± 0 5.859 5.532/6.257 5.927 ± 0.5696
ea14 1342 1342/1342 1342 ± 0 5.757 5.144/6.345 5.788 ± 0.7192
ea15 1342 1342/1342 1342 ± 0 5.627 5.204/6.223 5.786 ± 0.652
ea16 1342 1342/1342 1342 ± 0 6.019 5.542/6.566 6.092 ± 0.7691
ea17 1342 1342/1342 1342 ± 0.00001176 6.185 5.724/6.689 6.293 ± 0.6684
ea18 1342 1342/1342 1342 ± 0 4.92 4.603/5.432 5.063 ± 0.5143
ea19 1342 1342/1342 1342 ± 0 5.624 5.212/6.28 5.787 ± 0.6454
ea21 1342 1342/1342 1342 ± 0 5.586 5.216/6.176 5.704 ± 0.601
ea22 1342 1342/1342 1342 ± 0 5.467 5.115/6.271 5.644 ± 0.6784
ea23 1342 1342/1342 1342 ± 0 5.888 5.407/6.333 5.952 ± 0.6993
ea25 1342 1342/1342 1342 ± 0.000004924 5.622 5.244/6.094 5.72 ± 0.5678
ea26 1342 1342/1342 1342 ± 0 5.879 5.385/6.465 5.953 ± 0.7245
ea27 1342 1342/1342 1342 ± 0.00002492 5.491 5.268/6.307 5.698 ± 0.5897
ea28 1342 1342/1342 1342 ± 0.000006277 5.306 5.099/6.042 5.531 ± 0.593
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 ± 0.00002348 5.27 5.102/5.395 5.205 ± 0.268
3 1342 1342/1342 1342 ± 0.00002591 4.94 4.757/5.068 4.905 ± 0.2628
4 1342 1342/1342 1342 ± 0.00002393 5.1 4.831/5.395 5.118 ± 0.3838
5 1342 1342/1342 1342 ± 0.00002393 5.194 4.991/5.324 5.16 ± 0.2946
6 1342 1342/1342 1342 ± 0.00002393 5.21 5.052/5.337 5.161 ± 0.2716
7 1342 1342/1342 1342 ± 0.00002393 5.236 5.141/5.332 5.224 ± 0.2485
8 1342 1342/1342 1342 ± 0.00002393 5.195 5.048/5.351 5.194 ± 0.2869
9 1342 1342/1342 1342 ± 0.00002393 5.489 5.277/5.752 5.483 ± 0.32
10 1342 1342/1342 1342 ± 0.00002393 5.956 5.727/6.13 5.898 ± 0.3103
11 1342 1342/1342 1342 ± 0.00002348 6.205 6.04/6.301 6.124 ± 0.3064
12 1342 1342/1342 1342 ± 0.00002393 6.36 6.16/6.414 6.285 ± 0.3405
13 1342 1342/1342 1342 ± 0.00002393 6.731 6.57/6.834 6.702 ± 0.3779
14 1342 1342/1342 1342 ± 0.00002348 6.925 6.723/7.105 6.846 ± 0.4066
15 1342 1342/1342 1342 ± 0.00002393 6.589 6.304/6.732 6.493 ± 0.3882
16 1342 1342/1342 1342 ± 0.00002807 5.874 5.606/6.06 5.855 ± 0.3443
17 1342 1342/1342 1342 ± 0.00002688 5.806 5.681/6.05 5.829 ± 0.3292
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38539165.eb38696919.59128.74249967592_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-11-15 07:30:39.899
End
2024-11-15 08:18:15.358
Duration
0:47:35.459
Note, WebLog generation is not included in the time.

CASA logs for stage 8