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 5.575 5.366/6.284 5.619 ± 0.8466
ea02 1342 1342/1342 1342 ± 0.00003847 5.582 5.372/6.491 5.652 ± 0.868
ea03 1342 1342/1342 1342 ± 0 5.46 5.365/6.226 5.706 ± 0.6808
ea04 1342 1342/1342 1342 ± 0.00004168 5.207 4.828/6.066 5.309 ± 0.6905
ea05 1342 1342/1342 1342 ± 0.00004628 5.412 5.098/6.433 5.523 ± 0.8703
ea06 1342 1342/1342 1342 ± 0.00001311 5.159 4.923/6.06 5.297 ± 0.7104
ea07 1342 1342/1342 1342 ± 0.00004176 5.248 5.04/6.319 5.478 ± 0.8615
ea08 1342 1342/1342 1342 ± 0.00002315 5.705 5.355/6.808 5.816 ± 0.9991
ea09 1342 1342/1342 1342 ± 0.00004121 5.206 4.835/5.715 5.272 ± 0.7526
ea10 1342 1342/1342 1342 ± 0.00004328 5.122 4.704/5.988 5.145 ± 0.7743
ea11 1342 1342/1342 1342 ± 0.00005036 5.301 4.648/6.1 5.202 ± 0.8823
ea13 1342 1342/1342 1342 ± 0 5.359 5.1/6.047 5.481 ± 0.5581
ea14 1342 1342/1342 1342 ± 0.00004479 5.526 5.225/6.554 5.649 ± 0.8539
ea15 1342 1342/1342 1342 ± 0.00004781 5.607 5.276/6.639 5.679 ± 0.9252
ea16 1342 1342/1342 1342 ± 0.00001052 5.791 5.415/6.579 5.799 ± 0.8546
ea17 1342 1342/1342 1342 ± 0.00004136 5.782 5.291/6.665 5.823 ± 0.9643
ea18 1342 1342/1342 1342 ± 0.00001319 5.805 5.472/6.841 5.859 ± 0.9996
ea19 1342 1342/1342 1342 ± 0.00002889 5.414 5.1/6.426 5.54 ± 0.8354
ea20 1342 1342/1342 1342 ± 0.00001253 5.4 5.239/6.097 5.564 ± 0.6318
ea21 1342 1342/1342 1342 ± 0.000001196 5.102 4.897/5.652 5.189 ± 0.5535
ea22 1342 1342/1342 1342 ± 0.00003342 5.674 5.227/6.558 5.674 ± 0.9208
ea23 1342 1342/1342 1342 ± 0.0000439 5.723 5.195/6.445 5.654 ± 0.8756
ea24 1342 1342/1342 1342 ± 0 5.173 4.865/6.265 5.453 ± 0.7261
ea25 1342 1342/1342 1342 ± 0.000004472 5.766 5.384/6.761 6.051 ± 0.7848
ea27 1342 1342/1342 1342 ± 0.00000686 5.296 4.98/6.307 5.439 ± 0.846
ea28 1342 1342/1342 1342 ± 0 5.642 5.507/6.422 5.871 ± 0.7026
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 5.356 5.088/5.419 5.263 ± 0.2625
5 1342 1342/1342 1342 ± 0.00002595 5.263 4.987/5.445 5.218 ± 0.3124
6 1342 1342/1342 1342 ± 0.00002348 5.306 5.109/5.527 5.296 ± 0.2746
7 1342 1342/1342 1342 ± 0.00002348 5.355 5.194/5.544 5.324 ± 0.2575
8 1342 1342/1342 1342 ± 0.00002348 5.342 5.13/5.538 5.322 ± 0.2856
9 1342 1342/1342 1342 ± 0.00002348 5.548 5.365/5.834 5.578 ± 0.3074
10 1342 1342/1342 1342 ± 0.00002392 6.104 6.027/6.306 6.123 ± 0.2808
11 1342 1342/1342 1342 ± 0.00002348 6.441 6.114/6.567 6.395 ± 0.2679
12 1342 1342/1342 1342 ± 0.00002348 6.596 6.364/6.807 6.555 ± 0.3189
13 1342 1342/1342 1342 ± 0.00002348 6.674 6.384/6.951 6.674 ± 0.3707
14 1342 1342/1342 1342 ± 0.00004373 5.128 4.864/5.669 5.333 ± 0.6526
15 1342 1342/1342 1342 ± 0.00002348 6.553 6.08/6.887 6.456 ± 0.519
16 1342 1342/1342 1342 ± 0.00006103 4.133 3.978/4.43 4.253 ± 0.4091
17 1342 1342/1342 1342 ± 0.00006101 4.066 3.891/4.392 4.148 ± 0.3453
overwrite_modelcol
False
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-07-19 10:47:50.718
End
2025-07-19 11:49:18.313
Duration
1:01:27.595
Note, WebLog generation is not included in the time.

CASA logs for stage 8