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 5.361 5.224/6.206 5.598 ± 0.755
ea02 1342 1342/1342 1342 ± 0.00004288 5.914 5.326/6.699 5.892 ± 0.9693
ea04 1342 1342/1342 1342 ± 0.00003028 5.444 5.047/6.126 5.445 ± 0.7682
ea05 1342 1342/1342 1342 ± 0.00002688 5.47 5.016/6.391 5.642 ± 0.8081
ea06 1342 1342/1342 1342 ± 0.00003762 4.961 4.681/5.362 4.934 ± 0.5503
ea07 1342 1342/1342 1342 ± 0.00003588 5.944 5.453/6.374 5.907 ± 0.8383
ea08 1342 1342/1342 1342 ± 0.00003674 6.03 5.585/6.823 6.13 ± 0.9549
ea09 1342 1342/1342 1342 ± 0.00002994 5.546 5.206/6.561 5.685 ± 0.8586
ea10 1342 1342/1342 1342 ± 0.00003713 5.946 5.308/6.771 5.898 ± 0.9214
ea11 1342 1342/1342 1342 ± 0.00004145 5.795 5.172/6.539 5.712 ± 0.936
ea12 1342 1342/1342 1342 ± 0.00003848 5.735 5.364/6.554 5.844 ± 0.8762
ea13 1342 1342/1342 1342 ± 0.00001796 5.926 5.631/6.4 5.996 ± 0.8119
ea14 1342 1342/1342 1342 ± 0.00004108 5.538 5.172/6.443 5.695 ± 0.8586
ea15 1342 1342/1342 1342 ± 0.00001441 5.34 5.13/6.296 5.59 ± 0.8933
ea16 1342 1342/1342 1342 ± 0.00003877 5.898 5.461/6.869 6.061 ± 0.9948
ea17 1342 1342/1342 1342 ± 0.0000371 5.916 5.505/7.061 6.006 ± 0.9328
ea18 1342 1342/1342 1342 ± 0.00003626 5.033 4.762/5.734 5.169 ± 0.6211
ea19 1342 1342/1342 1342 ± 0.00002249 5.758 5.51/6.818 6.01 ± 0.8956
ea20 1342 1342/1342 1342 ± 0.00003792 5.876 5.656/7.108 6.161 ± 0.9341
ea21 1342 1342/1342 1342 ± 0.00003597 5.527 5.326/6.343 5.682 ± 0.8161
ea22 1342 1342/1342 1342 ± 0.00003167 5.382 5.137/6.495 5.693 ± 0.8418
ea23 1342 1342/1342 1342 ± 0.00003998 5.819 5.464/6.593 5.864 ± 0.9636
ea25 1342 1342/1342 1342 ± 0.00003739 5.528 5.222/6.333 5.636 ± 0.7885
ea26 1342 1342/1342 1342 ± 0.00002377 5.844 5.665/6.929 6.065 ± 0.9229
ea27 1342 1342/1342 1342 ± 0.00003544 5.588 5.366/6.579 5.757 ± 0.8026
ea28 1342 1342/1342 1342 ± 0.00004257 5.641 5.376/6.6 5.789 ± 0.9322
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 5.455 5.302/5.733 5.468 ± 0.2651
5 1342 1342/1342 1342 ± 0.00002471 5.364 5.175/5.547 5.376 ± 0.2726
6 1342 1342/1342 1342 ± 0.00002348 5.373 5.177/5.558 5.333 ± 0.2835
7 1342 1342/1342 1342 ± 0.00002348 5.348 5.172/5.511 5.337 ± 0.2657
8 1342 1342/1342 1342 ± 0.00002348 5.326 5.134/5.463 5.289 ± 0.2843
9 1342 1342/1342 1342 ± 0.00002396 5.612 5.413/5.868 5.6 ± 0.3128
10 1342 1342/1342 1342 ± 0.00002348 6.073 5.882/6.25 6.04 ± 0.322
11 1342 1342/1342 1342 ± 0.00002348 6.364 6.227/6.502 6.307 ± 0.3348
12 1342 1342/1342 1342 ± 0.00002348 6.546 6.343/6.738 6.508 ± 0.3699
13 1342 1342/1342 1342 ± 0.00002348 6.939 6.724/7.081 6.893 ± 0.399
14 1342 1342/1342 1342 ± 0.00002348 7.031 6.876/7.286 7.008 ± 0.4709
15 1342 1342/1342 1342 ± 0.00002387 6.733 6.544/6.951 6.682 ± 0.4495
16 1342 1342/1342 1342 ± 0.00005733 4.184 4.041/4.348 4.195 ± 0.209
17 1342 1342/1342 1342 ± 0.00005223 4.171 4.007/4.408 4.213 ± 0.2826
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-11-01 15:33:41.747
End
2024-11-01 16:29:05.948
Duration
0:55:24.201
Note, WebLog generation is not included in the time.

CASA logs for stage 8