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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.705 5.622/6.458 6.026 ± 0.6418
ea02 1342 1342/1342 1342 ± 0.0000415 6.121 5.725/6.93 6.334 ± 0.7106
ea03 1342 1342/1342 1342 ± 0.000006213 5.751 5.051/6.287 5.7 ± 0.6433
ea04 1342 1342/1342 1342 ± 0 5.812 5.363/6.5 5.92 ± 0.6278
ea05 1342 1342/1342 1342 ± 0.000001504 6.26 5.68/6.804 6.127 ± 0.7336
ea06 1342 1342/1342 1342 ± 0 5.16 4.911/5.554 5.199 ± 0.4007
ea07 1342 1342/1342 1342 ± 0 6.171 5.822/6.651 6.358 ± 0.6783
ea08 1342 1342/1342 1342 ± 0.000008211 6.136 5.831/7.072 6.414 ± 0.7607
ea09 1342 1342/1342 1342 ± 0 6.064 5.496/6.816 6.08 ± 0.7415
ea10 1342 1342/1342 1342 ± 0 6.177 5.67/7.037 6.296 ± 0.7302
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.209 5.599/6.692 6.218 ± 0.7492
ea13 1342 1342/1342 1342 ± 0 6.576 6.102/6.697 6.467 ± 0.6635
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.298 5.72/6.833 6.34 ± 0.7497
ea16 1342 1342/1342 1342 ± 0 6.477 5.942/7.076 6.47 ± 0.82
ea17 1342 1342/1342 1342 ± 0 6.632 6.174/7.521 6.781 ± 0.6967
ea18 1342 1342/1342 1342 ± 0 5.284 4.886/5.739 5.338 ± 0.5461
ea19 1342 1342/1342 1342 ± 0 6.356 5.693/6.9 6.271 ± 0.6681
ea20 1342 1342/1342 1342 ± 0 6.366 5.708/6.901 6.263 ± 0.7276
ea21 1342 1342/1342 1342 ± 0 5.939 5.683/6.699 6.131 ± 0.6765
ea22 1342 1342/1342 1342 ± 0.000001555 5.749 5.52/6.519 5.975 ± 0.6149
ea23 1342 1342/1342 1342 ± 0 6.151 5.787/6.925 6.34 ± 0.7613
ea24 1342 1342/1342 1342 ± 0.000006548 6.039 5.787/6.938 6.269 ± 0.7292
ea25 1342 1342/1342 1342 ± 0 5.91 5.546/6.563 6.044 ± 0.6456
ea26 1342 1342/1342 1342 ± 0 6.53 6.115/7.375 6.678 ± 0.7283
ea27 1342 1342/1342 1342 ± 0 5.871 5.697/6.819 6.133 ± 0.6819
ea28 1342 1342/1342 1342 ± 0.000004748 5.724 5.509/6.593 6.006 ± 0.6874
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 ± 0.0000236 5.695 5.458/5.811 5.613 ± 0.3226
4 1342 1342/1342 1342 ± 0.00002648 4.895 4.718/5.049 4.856 ± 0.2269
5 1342 1342/1342 1342 ± 0.0000236 5.686 5.475/5.893 5.666 ± 0.3751
6 1342 1342/1342 1342 ± 0.0000236 5.638 5.487/5.859 5.601 ± 0.344
7 1342 1342/1342 1342 ± 0.0000236 5.692 5.54/5.785 5.636 ± 0.3171
8 1342 1342/1342 1342 ± 0.0000236 5.601 5.443/5.787 5.556 ± 0.3509
9 1342 1342/1342 1342 ± 0.0000236 5.856 5.647/6.198 5.841 ± 0.3879
10 1342 1342/1342 1342 ± 0.0000237 6.363 6.188/6.607 6.329 ± 0.3683
11 1342 1342/1342 1342 ± 0.0000237 6.606 6.416/6.771 6.56 ± 0.3747
12 1342 1342/1342 1342 ± 0.0000237 6.815 6.598/6.928 6.731 ± 0.4147
13 1342 1342/1342 1342 ± 0.0000237 7.243 7.126/7.377 7.18 ± 0.4361
14 1342 1342/1342 1342 ± 0.0000237 7.424 7.229/7.712 7.386 ± 0.479
15 1342 1342/1342 1342 ± 0.0000237 6.945 6.797/7.276 6.936 ± 0.4498
16 1342 1342/1342 1342 ± 0.00002561 6.092 5.905/6.509 6.152 ± 0.3631
17 1342 1342/1342 1342 ± 0.00002424 6.162 5.987/6.482 6.183 ± 0.3626
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-14 02:21:47.606
End
2025-01-14 03:01:43.397
Duration
0:39:55.792
Note, WebLog generation is not included in the time.

CASA logs for stage 8