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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.366 5.309/6.395 5.699 ± 0.8408
ea02 1342 1342/1342 1342 ± 0.000001207 5.502 5.069/6.175 5.613 ± 0.8618
ea03 1342 1342/1342 1342 ± 0 5.666 5.002/6.45 5.662 ± 0.8705
ea04 1342 1342/1342 1342 ± 0.00004129 5.063 4.791/5.929 5.292 ± 0.709
ea05 1342 1342/1342 1342 ± 0.00004151 5.135 4.981/6.361 5.466 ± 0.8656
ea06 1342 1342/1342 1342 ± 0 5.198 4.665/5.709 5.249 ± 0.7331
ea07 1342 1342/1342 1342 ± 0.000003815 5.049 4.865/6.046 5.419 ± 0.861
ea08 1342 1342/1342 1342 ± 0 5.551 5.152/6.498 5.784 ± 0.8736
ea09 1342 1342/1342 1342 ± 0.00004141 4.848 4.692/5.966 5.151 ± 0.7568
ea10 1342 1342/1342 1342 ± 0.00003683 4.801 4.55/5.854 5.079 ± 0.7789
ea11 1342 1342/1342 1342 ± 0.00004342 5.1 4.541/6.193 5.35 ± 0.9295
ea12 1342 1342/1342 1342 ± 0.00002868 5.042 4.762/5.922 5.293 ± 0.6556
ea14 1342 1342/1342 1342 ± 0.0000415 5.339 5.134/6.251 5.62 ± 0.7162
ea15 1342 1342/1342 1342 ± 0.00004159 5.424 5.099/6.282 5.606 ± 0.8858
ea16 1342 1342/1342 1342 ± 0 5.534 5.226/6.376 5.691 ± 0.8824
ea17 1342 1342/1342 1342 ± 0.00001134 5.378 5.026/6.685 5.708 ± 0.7997
ea18 1342 1342/1342 1342 ± 0 5.677 5.183/6.637 5.84 ± 0.7943
ea19 1342 1342/1342 1342 ± 0.000003619 5.22 4.986/6.27 5.51 ± 0.7468
ea21 1342 1342/1342 1342 ± 0 4.922 4.77/5.674 5.147 ± 0.6877
ea22 1342 1342/1342 1342 ± 0 5.401 5.142/6.411 5.625 ± 0.7809
ea23 1342 1342/1342 1342 ± 0.0000415 5.345 5.047/6.175 5.618 ± 0.7922
ea24 1342 1342/1342 1342 ± 0.000006263 5.32 4.861/6.296 5.474 ± 0.785
ea25 1342 1342/1342 1342 ± 0 5.87 5.159/6.632 5.925 ± 0.9533
ea27 1342 1342/1342 1342 ± 0 5.226 4.909/6.306 5.516 ± 0.7746
ea28 1342 1342/1342 1342 ± 0.00001899 5.484 5.35/6.76 5.85 ± 0.8511
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 ± 0.00002393 4.918 4.731/5.013 4.854 ± 0.288
4 1342 1342/1342 1342 ± 0.00002657 3.831 3.657/4.07 3.871 ± 0.2908
5 1342 1342/1342 1342 ± 0.00002393 4.978 4.787/5.282 5.016 ± 0.284
6 1342 1342/1342 1342 ± 0.00002393 5.001 4.79/5.213 4.999 ± 0.2514
7 1342 1342/1342 1342 ± 0.00002393 5.067 4.908/5.209 5.051 ± 0.2192
8 1342 1342/1342 1342 ± 0.00002393 5.014 4.864/5.133 4.999 ± 0.2508
9 1342 1342/1342 1342 ± 0.00002393 5.336 5.187/5.537 5.312 ± 0.264
10 1342 1342/1342 1342 ± 0.00002393 5.874 5.75/6.032 5.869 ± 0.2456
11 1342 1342/1342 1342 ± 0.00002393 6.17 5.979/6.214 6.099 ± 0.2511
12 1342 1342/1342 1342 ± 0.00002393 6.274 6.046/6.418 6.257 ± 0.2928
13 1342 1342/1342 1342 ± 0.00002393 6.694 6.571/6.924 6.695 ± 0.3001
14 1342 1342/1342 1342 ± 0.00002393 6.808 6.543/7.028 6.793 ± 0.3279
15 1342 1342/1342 1342 ± 0.00002393 6.617 6.321/6.785 6.542 ± 0.337
16 1342 1342/1342 1342 ± 0.0000587 5.332 5.138/5.565 5.39 ± 0.356
17 1342 1342/1342 1342 ± 0.00005964 5.118 4.932/5.331 5.162 ± 0.2991
datacolumn
residual_data
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-22 23:18:34.487
End
2025-07-23 00:09:49.063
Duration
0:51:14.576
Note, WebLog generation is not included in the time.

CASA logs for stage 8