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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.562 5.224/6.27 5.523 ± 1.011
ea02 1342 1342/1342 1342 ± 0.0000319 5.703 5.314/6.502 5.651 ± 0.979
ea03 1342 1342/1342 1342 ± 0.000003704 5.414 5.345/6.481 5.709 ± 0.7719
ea04 1342 1342/1342 1342 ± 0.00004902 5.265 4.886/6.112 5.259 ± 0.8364
ea05 1342 1342/1342 1342 ± 0.00005024 5.416 5.135/6.492 5.475 ± 0.9828
ea06 1342 1342/1342 1342 ± 0.00002731 5.07 4.818/6.044 5.226 ± 0.8215
ea07 1342 1342/1342 1342 ± 0.00004134 5.241 5.125/6.326 5.483 ± 0.9501
ea08 1342 1342/1342 1342 ± 0.00001188 6.025 5.584/6.908 5.939 ± 1.07
ea09 1342 1342/1342 1342 ± 0.00004718 5.16 4.822/6.164 5.248 ± 0.8803
ea10 1342 1342/1342 1342 ± 0.00004379 5.114 4.622/5.962 5.082 ± 0.8188
ea11 1342 1342/1342 1342 ± 0.00005159 5.189 4.506/6.088 5.075 ± 0.9814
ea13 1342 1342/1342 1342 ± 0.00001449 5.495 5.236/6.288 5.602 ± 0.6383
ea14 1342 1342/1342 1342 ± 0.00004865 5.483 5.254/6.589 5.585 ± 0.9641
ea15 1342 1342/1342 1342 ± 0.00005016 5.541 5.148/6.581 5.543 ± 1.015
ea16 1342 1342/1342 1342 ± 0.00002408 5.784 5.414/6.555 5.763 ± 0.9694
ea17 1342 1342/1342 1342 ± 0.0000416 5.745 5.405/6.684 5.787 ± 1.062
ea18 1342 1342/1342 1342 ± 0.00001011 6.032 5.686/6.962 6.048 ± 1.063
ea19 1342 1342/1342 1342 ± 0.00004122 5.43 5.283/6.431 5.489 ± 0.9626
ea20 1342 1342/1342 1342 ± 0.00003172 5.545 5.48/6.288 5.682 ± 0.7366
ea21 1342 1342/1342 1342 ± 0.000005236 5.12 4.87/5.723 5.185 ± 0.5997
ea22 1342 1342/1342 1342 ± 0.00002034 5.885 5.343/6.679 5.789 ± 1.019
ea23 1342 1342/1342 1342 ± 0.00004711 5.591 5.149/6.316 5.503 ± 0.934
ea24 1342 1342/1342 1342 ± 0.000005762 5.196 5.102/6.311 5.567 ± 0.7025
ea25 1342 1342/1342 1342 ± 0.00001202 5.771 5.419/6.987 6.045 ± 0.8981
ea27 1342 1342/1342 1342 ± 0.0000173 5.27 5.014/6.441 5.432 ± 0.9266
ea28 1342 1342/1342 1342 ± 0.00000131 5.791 5.604/6.718 5.977 ± 0.7792
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 5.362 5.045/5.44 5.274 ± 0.2812
5 1342 1342/1342 1342 ± 0.00002847 5.274 5.105/5.592 5.363 ± 0.3913
6 1342 1342/1342 1342 ± 0.00002348 5.378 5.141/5.549 5.334 ± 0.283
7 1342 1342/1342 1342 ± 0.00002348 5.355 5.171/5.531 5.323 ± 0.2623
8 1342 1342/1342 1342 ± 0.00002348 5.346 5.146/5.54 5.331 ± 0.2787
9 1342 1342/1342 1342 ± 0.00002348 5.537 5.366/5.802 5.567 ± 0.3204
10 1342 1342/1342 1342 ± 0.00002392 6.234 5.922/6.292 6.151 ± 0.3034
11 1342 1342/1342 1342 ± 0.00002348 6.498 6.268/6.63 6.449 ± 0.28
12 1342 1342/1342 1342 ± 0.00002348 6.633 6.403/6.833 6.614 ± 0.331
13 1342 1342/1342 1342 ± 0.00002351 6.731 6.416/7.031 6.727 ± 0.4239
14 1342 1342/1342 1342 ± 0.00005471 5.218 4.673/5.782 5.291 ± 0.7293
15 1342 1342/1342 1342 ± 0.00002348 6.714 6.226/7.047 6.633 ± 0.4918
16 1342 1342/1342 1342 ± 0.00006092 3.862 3.723/4.255 4.017 ± 0.4492
17 1342 1342/1342 1342 ± 0.00006092 3.749 3.599/4.023 3.847 ± 0.3662
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-19 15:04:41.444
End
2025-07-19 15:53:05.955
Duration
0:48:24.511
Note, WebLog generation is not included in the time.

CASA logs for stage 8