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 5.386 5.31/6.085 5.509 ± 0.747
ea02 1342 1342/1342 1342 ± 0.00004196 5.962 5.418/6.752 5.912 ± 0.9641
ea04 1342 1342/1342 1342 ± 0.000008922 5.363 5.068/6.061 5.41 ± 0.8082
ea05 1342 1342/1342 1342 ± 0.00000768 5.506 5.063/6.344 5.631 ± 0.7647
ea06 1342 1342/1342 1342 ± 0.000004432 4.878 4.725/5.333 4.826 ± 0.6612
ea07 1342 1342/1342 1342 ± 0.00004151 5.914 5.453/6.356 5.761 ± 0.8401
ea08 1342 1342/1342 1342 ± 0.00004147 6.055 5.581/6.887 6.082 ± 0.9641
ea09 1342 1342/1342 1342 ± 0.00001836 5.737 5.181/6.576 5.721 ± 0.8118
ea10 1342 1342/1342 1342 ± 0.00004188 5.941 5.352/6.656 5.801 ± 0.8963
ea11 1342 1342/1342 1342 ± 0.00004265 5.771 5.157/6.552 5.668 ± 0.9639
ea12 1342 1342/1342 1342 ± 0.000008175 5.66 5.377/6.589 5.726 ± 1.093
ea13 1342 1342/1342 1342 ± 0.00002015 5.964 5.74/6.49 6.047 ± 0.7834
ea14 1342 1342/1342 1342 ± 0.000005465 5.575 5.126/6.391 5.619 ± 0.7794
ea15 1342 1342/1342 1342 ± 0.000001837 5.373 5.183/6.296 5.587 ± 0.8922
ea16 1342 1342/1342 1342 ± 0.00001669 5.917 5.533/6.91 5.965 ± 0.9439
ea17 1342 1342/1342 1342 ± 0.00004229 5.888 5.567/6.792 5.906 ± 0.9513
ea18 1342 1342/1342 1342 ± 0.0000362 5.102 4.754/5.743 5.049 ± 0.7367
ea19 1342 1342/1342 1342 ± 0 5.817 5.521/6.852 5.995 ± 0.8287
ea20 1342 1342/1342 1342 ± 0.00001832 5.918 5.696/6.982 6.014 ± 1.151
ea21 1342 1342/1342 1342 ± 0.00001254 5.559 5.352/6.317 5.612 ± 0.7751
ea22 1342 1342/1342 1342 ± 0.0000325 5.41 5.167/6.49 5.664 ± 0.8074
ea23 1342 1342/1342 1342 ± 0.00003599 5.774 5.517/6.463 5.802 ± 0.8562
ea25 1342 1342/1342 1342 ± 0.00004147 5.541 5.233/6.354 5.54 ± 0.8322
ea26 1342 1342/1342 1342 ± 0.00002499 5.947 5.663/7.039 6.161 ± 0.8693
ea27 1342 1342/1342 1342 ± 0.00004259 5.578 5.171/6.471 5.642 ± 0.8575
ea28 1342 1342/1342 1342 ± 0.00004279 5.743 5.435/6.634 5.792 ± 0.91
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 ± 0.00002364 5.511 5.346/5.791 5.542 ± 0.2791
5 1342 1342/1342 1342 ± 0.00002431 5.427 5.177/5.604 5.414 ± 0.2915
6 1342 1342/1342 1342 ± 0.00002364 5.372 5.153/5.524 5.336 ± 0.2924
7 1342 1342/1342 1342 ± 0.00002364 5.392 5.202/5.525 5.371 ± 0.2717
8 1342 1342/1342 1342 ± 0.00002364 5.356 5.172/5.502 5.333 ± 0.2925
9 1342 1342/1342 1342 ± 0.00002378 5.663 5.431/5.9 5.615 ± 0.3294
10 1342 1342/1342 1342 ± 0.00002364 6.064 5.862/6.245 6.046 ± 0.3357
11 1342 1342/1342 1342 ± 0.00002364 6.404 6.239/6.535 6.332 ± 0.3473
12 1342 1342/1342 1342 ± 0.00002364 6.579 6.369/6.754 6.535 ± 0.3779
13 1342 1342/1342 1342 ± 0.00002364 6.88 6.627/7.066 6.816 ± 0.3956
14 1342 1342/1342 1342 ± 0.00002603 6.722 6.367/7.092 6.682 ± 0.509
15 1342 1342/1342 1342 ± 0.00002411 6.753 6.477/7.009 6.669 ± 0.4963
16 1342 1342/1342 1342 ± 0.00006099 3.978 3.791/4.231 4.023 ± 0.3476
17 1342 1342/1342 1342 ± 0.0000609 4.148 3.974/4.358 4.142 ± 0.3504
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
datacolumn
residual_data
Start time
2024-11-01 18:40:23.348
End
2024-11-01 19:33:24.107
Duration
0:53:00.759
Note, WebLog generation is not included in the time.

CASA logs for stage 8