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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 5.066 4.907/5.786 5.224 ± 0.7458
ea02 1342 1342/1342 1342 ± 0.00003956 5.701 5.132/6.398 5.604 ± 0.9448
ea04 1342 1342/1342 1342 ± 0.00004152 5.117 4.746/5.793 5.009 ± 0.86
ea05 1342 1342/1342 1342 ± 0.00001736 5.432 5.046/6.166 5.532 ± 0.8381
ea06 1342 1342/1342 1342 ± 0.00004197 4.902 4.612/5.436 4.833 ± 0.7732
ea07 1342 1342/1342 1342 ± 0.00003834 5.545 5.027/5.861 5.368 ± 0.7811
ea08 1342 1342/1342 1342 ± 0.00003877 5.854 5.305/6.625 5.856 ± 1.004
ea09 1342 1342/1342 1342 ± 0.00003126 5.33 4.917/6.209 5.4 ± 0.8167
ea10 1342 1342/1342 1342 ± 0.00003938 5.445 4.883/6.119 5.31 ± 0.816
ea11 1342 1342/1342 1342 ± 0.00004041 5.482 4.874/6.106 5.336 ± 0.8468
ea12 1342 1342/1342 1342 ± 0.00004198 5.371 4.993/6.079 5.313 ± 0.956
ea13 1342 1342/1342 1342 ± 0.00002337 5.682 5.468/6.234 5.738 ± 0.8087
ea14 1342 1342/1342 1342 ± 0.00002612 5.521 5.048/6.352 5.517 ± 0.9141
ea15 1342 1342/1342 1342 ± 0.00003872 5.209 4.92/6.017 5.205 ± 1.015
ea16 1342 1342/1342 1342 ± 0.00002644 5.548 5.161/6.366 5.483 ± 0.9111
ea17 1342 1342/1342 1342 ± 0.00004219 5.706 5.151/6.359 5.657 ± 0.917
ea18 1342 1342/1342 1342 ± 0.00004188 4.728 4.527/5.236 4.725 ± 0.6622
ea19 1342 1342/1342 1342 ± 0.000009391 5.583 5.338/6.382 5.714 ± 0.8315
ea20 1342 1342/1342 1342 ± 0.00004176 5.631 5.254/6.453 5.618 ± 0.976
ea21 1342 1342/1342 1342 ± 0.00002226 5.379 5.158/6.122 5.399 ± 0.8238
ea22 1342 1342/1342 1342 ± 0.00003436 5.304 4.941/6.36 5.499 ± 0.9194
ea23 1342 1342/1342 1342 ± 0.00003248 5.551 5.003/6.301 5.502 ± 0.9296
ea25 1342 1342/1342 1342 ± 0.00003513 5.321 4.999/5.962 5.343 ± 0.7505
ea27 1342 1342/1342 1342 ± 0.00003973 5.246 4.862/6.125 5.292 ± 0.8137
ea28 1342 1342/1342 1342 ± 0.00003965 5.409 5.102/6.344 5.539 ± 0.9176
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 ± 0.00002399 5.24 4.986/5.403 5.216 ± 0.2757
5 1342 1342/1342 1342 ± 0.00002434 4.973 4.745/5.183 5.004 ± 0.3103
6 1342 1342/1342 1342 ± 0.00002394 5.036 4.936/5.217 5.053 ± 0.2585
7 1342 1342/1342 1342 ± 0.00002394 5.043 4.925/5.169 5.07 ± 0.2206
8 1342 1342/1342 1342 ± 0.00002394 5.102 4.899/5.245 5.071 ± 0.2417
9 1342 1342/1342 1342 ± 0.00002394 5.42 5.263/5.57 5.376 ± 0.2796
10 1342 1342/1342 1342 ± 0.00002394 5.823 5.685/5.894 5.778 ± 0.2874
11 1342 1342/1342 1342 ± 0.00002394 6.113 5.966/6.197 6.054 ± 0.2989
12 1342 1342/1342 1342 ± 0.00002394 6.259 6.064/6.401 6.229 ± 0.308
13 1342 1342/1342 1342 ± 0.00002394 6.559 6.171/6.718 6.436 ± 0.3807
14 1342 1342/1342 1342 ± 0.00002718 6.265 5.833/6.604 6.214 ± 0.5256
15 1342 1342/1342 1342 ± 0.00002527 6.412 6.2/6.664 6.37 ± 0.4203
16 1342 1342/1342 1342 ± 0.0000527 3.522 3.338/3.762 3.534 ± 0.3333
17 1342 1342/1342 1342 ± 0.00005558 3.761 3.565/4.066 3.821 ± 0.3655
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
Start time
2025-05-08 17:15:06.819
End
2025-05-08 18:11:11.169
Duration
0:56:04.350
Note, WebLog generation is not included in the time.

CASA logs for stage 8