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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.381 5.243/6.179 5.486 ± 0.7815
ea02 1342 1342/1342 1342 ± 0.00004139 6.009 5.469/6.739 5.937 ± 0.9748
ea04 1342 1342/1342 1342 ± 0.000004141 5.427 5.072/6.079 5.396 ± 0.8575
ea05 1342 1342/1342 1342 ± 0.0000179 5.513 5.087/6.239 5.662 ± 0.7645
ea06 1342 1342/1342 1342 ± 0.00001695 4.931 4.751/5.292 4.806 ± 0.6634
ea07 1342 1342/1342 1342 ± 0.00004161 5.941 5.341/6.403 5.771 ± 0.8785
ea08 1342 1342/1342 1342 ± 0.0000412 6.155 5.646/6.866 6.104 ± 1.016
ea09 1342 1342/1342 1342 ± 0.000026 5.571 5.162/6.605 5.725 ± 0.8311
ea10 1342 1342/1342 1342 ± 0.00004322 5.988 5.355/6.691 5.825 ± 0.9687
ea11 1342 1342/1342 1342 ± 0.00004357 5.903 5.275/6.58 5.699 ± 0.9783
ea12 1342 1342/1342 1342 ± 0.00002309 5.795 5.446/6.642 5.778 ± 1.075
ea13 1342 1342/1342 1342 ± 0.00002141 5.919 5.685/6.465 6.008 ± 0.7653
ea14 1342 1342/1342 1342 ± 0.00002181 5.645 5.055/6.417 5.665 ± 0.7999
ea15 1342 1342/1342 1342 ± 0 5.394 5.092/6.335 5.563 ± 0.9495
ea16 1342 1342/1342 1342 ± 0.00002415 5.972 5.477/6.896 6.001 ± 0.9412
ea17 1342 1342/1342 1342 ± 0.00004389 5.918 5.431/6.814 5.863 ± 0.9952
ea18 1342 1342/1342 1342 ± 0.00004192 5.01 4.523/5.726 4.976 ± 0.7092
ea19 1342 1342/1342 1342 ± 0.000009686 5.794 5.545/6.77 6.009 ± 0.8038
ea20 1342 1342/1342 1342 ± 0.00003251 5.926 5.802/7.016 6.034 ± 1.079
ea21 1342 1342/1342 1342 ± 0.00002154 5.622 5.403/6.358 5.647 ± 0.7908
ea22 1342 1342/1342 1342 ± 0.00004121 5.369 5.104/6.434 5.61 ± 0.8343
ea23 1342 1342/1342 1342 ± 0.00003478 5.881 5.462/6.647 5.805 ± 0.895
ea25 1342 1342/1342 1342 ± 0.00004268 5.576 5.237/6.357 5.537 ± 0.8663
ea26 1342 1342/1342 1342 ± 0.00003622 5.963 5.814/7.009 6.149 ± 0.9103
ea27 1342 1342/1342 1342 ± 0.00004203 5.606 5.177/6.467 5.614 ± 0.8788
ea28 1342 1342/1342 1342 ± 0.00004248 5.683 5.458/6.629 5.821 ± 0.9495
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 5.419 5.276/5.727 5.471 ± 0.2777
5 1342 1342/1342 1342 ± 0.00002348 5.463 5.172/5.598 5.4 ± 0.3583
6 1342 1342/1342 1342 ± 0.00002543 5.266 5.084/5.432 5.25 ± 0.2821
7 1342 1342/1342 1342 ± 0.00002348 5.438 5.278/5.59 5.42 ± 0.2723
8 1342 1342/1342 1342 ± 0.00002348 5.44 5.176/5.552 5.368 ± 0.2928
9 1342 1342/1342 1342 ± 0.00002348 5.653 5.452/5.939 5.655 ± 0.337
10 1342 1342/1342 1342 ± 0.00002348 6.096 5.883/6.275 6.064 ± 0.3371
11 1342 1342/1342 1342 ± 0.00002348 6.402 6.262/6.54 6.342 ± 0.3443
12 1342 1342/1342 1342 ± 0.00002348 6.597 6.394/6.792 6.539 ± 0.3815
13 1342 1342/1342 1342 ± 0.00002348 6.932 6.69/7.1 6.843 ± 0.407
14 1342 1342/1342 1342 ± 0.00002425 6.735 6.467/7.157 6.731 ± 0.5273
15 1342 1342/1342 1342 ± 0.00002447 6.699 6.465/6.99 6.643 ± 0.49
16 1342 1342/1342 1342 ± 0.00005912 3.944 3.758/4.236 4.008 ± 0.347
17 1342 1342/1342 1342 ± 0.00006055 4.066 3.873/4.352 4.107 ± 0.373
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
Start time
2024-11-02 02:55:53.668
End
2024-11-02 03:58:23.500
Duration
1:02:29.832
Note, WebLog generation is not included in the time.

CASA logs for stage 8