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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.482 5.344/6.134 5.723 ± 0.4933
ea02 1342 1342/1342 1342 ± 0 5.994 5.631/6.723 6.154 ± 0.6161
ea04 1342 1342/1342 1342 ± 0 5.523 5.098/6.194 5.632 ± 0.5606
ea05 1342 1342/1342 1342 ± 0 6.011 5.44/6.47 5.972 ± 0.5972
ea06 1342 1342/1342 1342 ± 0 5.106 4.637/5.386 5.039 ± 0.4141
ea07 1342 1342/1342 1342 ± 0 5.793 5.488/6.233 5.939 ± 0.5552
ea08 1342 1342/1342 1342 ± 0 5.921 5.674/6.807 6.208 ± 0.6296
ea09 1342 1342/1342 1342 ± 0 5.888 5.342/6.616 5.939 ± 0.6251
ea10 1342 1342/1342 1342 ± 0.000002915 5.722 5.168/6.354 5.791 ± 0.5766
ea11 1342 1342/1342 1342 ± 0 6.021 5.299/6.364 5.94 ± 0.5958
ea12 1342 1342/1342 1342 ± 0 6.009 5.428/6.543 6.074 ± 0.6521
ea13 1342 1342/1342 1342 ± 0 6.143 5.765/6.393 6.193 ± 0.4846
ea14 1342 1342/1342 1342 ± 0.000006029 5.797 5.32/6.47 5.877 ± 0.6587
ea15 1342 1342/1342 1342 ± 0 5.752 5.1/6.3 5.757 ± 0.7015
ea16 1342 1342/1342 1342 ± 0.000003596 6.164 5.779/6.864 6.315 ± 0.6842
ea17 1342 1342/1342 1342 ± 0 6.038 5.692/6.623 6.164 ± 0.576
ea18 1342 1342/1342 1342 ± 0 5.199 4.832/5.678 5.267 ± 0.5165
ea19 1342 1342/1342 1342 ± 0 6.267 5.612/6.762 6.194 ± 0.6227
ea20 1342 1342/1342 1342 ± 0 6.381 5.759/6.868 6.325 ± 0.645
ea21 1342 1342/1342 1342 ± 0 5.683 5.453/6.322 5.866 ± 0.5618
ea22 1342 1342/1342 1342 ± 0 5.686 5.362/6.523 5.928 ± 0.6202
ea23 1342 1342/1342 1342 ± 0.000002955 5.789 5.516/6.616 6.074 ± 0.664
ea25 1342 1342/1342 1342 ± 0 5.904 5.334/6.236 5.836 ± 0.5769
ea26 1342 1342/1342 1342 ± 0 6.056 5.674/6.826 6.235 ± 0.5947
ea27 1342 1342/1342 1342 ± 0.00004004 5.687 5.395/6.354 5.864 ± 0.5585
ea28 1342 1342/1342 1342 ± 0 5.614 5.487/6.523 5.95 ± 0.6168
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 ± 0.00002349 5.414 5.221/5.607 5.391 ± 0.2595
4 1342 1342/1342 1342 ± 0.0000239 5.268 5.164/5.477 5.266 ± 0.3528
5 1342 1342/1342 1342 ± 0.00002349 5.491 5.211/5.608 5.445 ± 0.3361
6 1342 1342/1342 1342 ± 0.00002349 5.339 5.128/5.537 5.321 ± 0.299
7 1342 1342/1342 1342 ± 0.00002349 5.422 5.262/5.584 5.414 ± 0.2791
8 1342 1342/1342 1342 ± 0.00002349 5.453 5.204/5.596 5.376 ± 0.3028
9 1342 1342/1342 1342 ± 0.00002349 5.694 5.538/5.911 5.649 ± 0.3393
10 1342 1342/1342 1342 ± 0.00002349 6.119 5.988/6.275 6.073 ± 0.3184
11 1342 1342/1342 1342 ± 0.00002349 6.358 6.158/6.441 6.291 ± 0.3342
12 1342 1342/1342 1342 ± 0.00002349 6.504 6.318/6.656 6.442 ± 0.3573
13 1342 1342/1342 1342 ± 0.00002349 6.936 6.767/7.093 6.881 ± 0.3776
14 1342 1342/1342 1342 ± 0.00002349 7.052 6.885/7.302 7.022 ± 0.4087
15 1342 1342/1342 1342 ± 0.00002349 6.612 6.364/6.877 6.55 ± 0.3822
16 1342 1342/1342 1342 ± 0.00003261 5.888 5.691/6.141 5.905 ± 0.3358
17 1342 1342/1342 1342 ± 0.00003176 5.908 5.725/6.148 5.928 ± 0.3375
output_dir
 
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-05-17 05:46:48.844
End
2024-05-17 07:02:46.525
Duration
1:15:57.682
Note, WebLog generation is not included in the time.

CASA logs for stage 8