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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.966 5.842/6.594 6.236 ± 0.5444
ea02 1342 1342/1342 1342 ± 0.00004166 6.264 6.04/7.003 6.506 ± 0.6098
ea04 1342 1342/1342 1342 ± 0 5.628 5.188/6.155 5.724 ± 0.6014
ea05 1342 1342/1342 1342 ± 0 6.053 5.364/6.574 6.012 ± 0.6533
ea06 1342 1342/1342 1342 ± 0.000001838 4.925 4.765/5.397 5.082 ± 0.3915
ea07 1342 1342/1342 1342 ± 0.0000217 6.165 5.772/6.583 6.298 ± 0.6074
ea08 1342 1342/1342 1342 ± 0.00004665 6.559 6.233/7.208 6.79 ± 0.6611
ea09 1342 1342/1342 1342 ± 0 6.016 5.51/6.687 6.152 ± 0.6202
ea10 1342 1342/1342 1342 ± 0.00003722 6.332 5.815/7.124 6.463 ± 0.6811
ea11 1342 1342/1342 1342 ± 0.00004291 6.119 5.62/6.936 6.329 ± 0.7666
ea12 1342 1342/1342 1342 ± 0.000003438 5.794 5.468/6.524 6.03 ± 0.6408
ea13 1342 1342/1342 1342 ± 0 6.403 5.864/6.564 6.329 ± 0.5256
ea14 1342 1342/1342 1342 ± 0 5.94 5.491/6.604 6.072 ± 0.6635
ea15 1342 1342/1342 1342 ± 0 5.988 5.323/6.465 6.047 ± 0.7287
ea16 1342 1342/1342 1342 ± 0 6.27 5.825/6.955 6.424 ± 0.7269
ea17 1342 1342/1342 1342 ± 0.00004951 6.419 6.075/7.091 6.675 ± 0.7406
ea18 1342 1342/1342 1342 ± 0.00003226 5.4 5.073/5.751 5.448 ± 0.5621
ea19 1342 1342/1342 1342 ± 0 6.204 5.531/6.737 6.255 ± 0.6636
ea20 1342 1342/1342 1342 ± 0.00001768 6.095 5.798/6.818 6.354 ± 0.6783
ea21 1342 1342/1342 1342 ± 0 5.776 5.458/6.415 5.987 ± 0.5802
ea22 1342 1342/1342 1342 ± 0.00001995 6.018 5.606/6.495 6.093 ± 0.6166
ea23 1342 1342/1342 1342 ± 0 6.073 5.723/6.713 6.301 ± 0.7147
ea25 1342 1342/1342 1342 ± 0.00004729 5.99 5.796/6.736 6.286 ± 0.6929
ea26 1342 1342/1342 1342 ± 0 6.358 5.897/6.952 6.456 ± 0.6327
ea27 1342 1342/1342 1342 ± 0.00004921 6.094 5.872/6.999 6.327 ± 0.6603
ea28 1342 1342/1342 1342 ± 0.00004955 6.293 5.999/7.084 6.567 ± 0.6738
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 5.85 5.485/5.98 5.767 ± 0.3343
5 1342 1342/1342 1342 ± 0.00002351 5.614 5.426/5.866 5.587 ± 0.365
6 1342 1342/1342 1342 ± 0.00002365 5.662 5.371/5.862 5.597 ± 0.3866
7 1342 1342/1342 1342 ± 0.00002348 5.706 5.447/5.845 5.637 ± 0.3383
8 1342 1342/1342 1342 ± 0.00002348 5.674 5.394/5.896 5.606 ± 0.3775
9 1342 1342/1342 1342 ± 0.00002348 5.959 5.644/6.15 5.894 ± 0.4057
10 1342 1342/1342 1342 ± 0.00002348 6.407 6.08/6.631 6.328 ± 0.4057
11 1342 1342/1342 1342 ± 0.00002348 6.536 6.453/6.833 6.576 ± 0.4234
12 1342 1342/1342 1342 ± 0.00002392 6.737 6.546/7.053 6.751 ± 0.4515
13 1342 1342/1342 1342 ± 0.00002348 7.302 7.037/7.548 7.247 ± 0.4648
14 1342 1342/1342 1342 ± 0.00002348 7.511 7.3/7.774 7.466 ± 0.4936
15 1342 1342/1342 1342 ± 0.00005172 6.669 6.504/6.868 6.617 ± 0.4221
16 1342 1342/1342 1342 ± 0.00005957 5.888 5.553/6.109 5.803 ± 0.4079
17 1342 1342/1342 1342 ± 0.00005631 6.042 5.74/6.282 5.975 ± 0.4347
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-07 08:52:36.497
End
2025-01-07 09:43:32.289
Duration
0:50:55.793
Note, WebLog generation is not included in the time.

CASA logs for stage 8