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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.316 5.098/6.067 5.599 ± 0.5978
ea02 1342 1342/1342 1342 ± 0.00003294 5.666 5.229/6.548 5.885 ± 0.7679
ea04 1342 1342/1342 1342 ± 0.000003156 5.145 4.978/6.026 5.486 ± 0.609
ea05 1342 1342/1342 1342 ± 0 5.526 5.247/6.462 5.773 ± 0.6747
ea06 1342 1342/1342 1342 ± 0.00001349 4.788 4.66/5.393 5.025 ± 0.4715
ea07 1342 1342/1342 1342 ± 0.00004196 5.693 5.32/6.281 5.828 ± 0.7455
ea08 1342 1342/1342 1342 ± 0.00003601 5.687 5.348/6.688 6.028 ± 0.8215
ea10 1342 1342/1342 1342 ± 0.00004205 5.528 5.064/6.607 5.759 ± 0.8229
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001676 5.351 5.28/6.508 5.782 ± 0.788
ea13 1342 1342/1342 1342 ± 0 5.935 5.452/6.26 6.012 ± 0.5844
ea14 1342 1342/1342 1342 ± 0.00001687 5.299 5.062/6.349 5.635 ± 0.7546
ea15 1342 1342/1342 1342 ± 0 5.18 5.017/6.129 5.581 ± 0.7234
ea16 1342 1342/1342 1342 ± 0 5.659 5.413/6.796 6.034 ± 0.8888
ea17 1342 1342/1342 1342 ± 0.00004185 5.75 5.318/6.804 5.968 ± 0.7527
ea18 1342 1342/1342 1342 ± 0.00003366 4.737 4.609/5.615 5.039 ± 0.5915
ea19 1342 1342/1342 1342 ± 0.000007221 5.847 5.465/6.708 6.031 ± 0.7224
ea20 1342 1342/1342 1342 ± 0.00002066 5.779 5.478/6.834 6.06 ± 0.8198
ea21 1342 1342/1342 1342 ± 0.000009571 5.549 5.155/6.276 5.733 ± 0.6808
ea22 1342 1342/1342 1342 ± 0.00001763 5.401 5.15/6.289 5.712 ± 0.708
ea23 1342 1342/1342 1342 ± 0.00004017 5.635 5.309/6.563 5.896 ± 0.8212
ea25 1342 1342/1342 1342 ± 0.00004111 5.331 4.895/6.187 5.543 ± 0.7064
ea26 1342 1342/1342 1342 ± 0.000008624 5.762 5.631/6.824 6.162 ± 0.6845
ea27 1342 1342/1342 1342 ± 0.00004186 5.313 4.994/6.358 5.634 ± 0.7078
ea28 1342 1342/1342 1342 ± 0.00004107 5.417 5.296/6.507 5.789 ± 0.7795
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 ± 0.00002443 5.143 4.856/5.345 5.12 ± 0.2642
3 1342 1342/1342 1342 ± 0.00002487 5.16 4.917/5.451 5.2 ± 0.384
5 1342 1342/1342 1342 ± 0.00002528 5.602 5.361/5.776 5.559 ± 0.3377
6 1342 1342/1342 1342 ± 0.00002443 5.318 5.072/5.461 5.269 ± 0.274
7 1342 1342/1342 1342 ± 0.00002443 5.314 5.144/5.481 5.311 ± 0.2622
8 1342 1342/1342 1342 ± 0.00002443 5.25 5.058/5.41 5.214 ± 0.2847
9 1342 1342/1342 1342 ± 0.00002443 5.426 5.31/5.695 5.444 ± 0.3065
10 1342 1342/1342 1342 ± 0.00002443 6.031 5.894/6.17 5.994 ± 0.3249
11 1342 1342/1342 1342 ± 0.00002443 6.299 6.159/6.397 6.233 ± 0.3199
12 1342 1342/1342 1342 ± 0.00002443 6.462 6.246/6.601 6.402 ± 0.3562
13 1342 1342/1342 1342 ± 0.00002443 6.826 6.758/7.128 6.85 ± 0.3686
14 1342 1342/1342 1342 ± 0.00002443 7.188 6.881/7.393 7.068 ± 0.419
15 1342 1342/1342 1342 ± 0.00002443 6.706 6.436/6.885 6.604 ± 0.4513
16 1342 1342/1342 1342 ± 0.00006094 4.838 4.673/4.993 4.847 ± 0.2849
17 1342 1342/1342 1342 ± 0.00005996 5.047 4.895/5.253 5.089 ± 0.3242
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-21 13:36:12.559
End
2024-12-21 14:42:21.571
Duration
1:06:09.012
Note, WebLog generation is not included in the time.

CASA logs for stage 8