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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.193 5.616/6.648 6.171 ± 0.6973
ea02 1342 1342/1342 1342 ± 0.00003026 6.318 5.597/6.476 6.161 ± 0.6413
ea03 1342 1342/1342 1342 ± 0 6.102 5.432/6.689 6.076 ± 0.7371
ea04 1342 1342/1342 1342 ± 0 5.583 5.217/6.015 5.638 ± 0.5929
ea05 1342 1342/1342 1342 ± 0 6.004 5.324/6.607 5.935 ± 0.6612
ea06 1342 1342/1342 1342 ± 0 5.924 5.108/6.087 5.743 ± 0.6423
ea07 1342 1342/1342 1342 ± 0 6.03 5.141/6.225 5.849 ± 0.6967
ea08 1342 1342/1342 1342 ± 0 6.476 5.656/6.842 6.356 ± 0.6871
ea09 1342 1342/1342 1342 ± 0 5.655 5.137/6.396 5.806 ± 0.6695
ea10 1342 1342/1342 1342 ± 0 5.436 5.131/6.084 5.546 ± 0.5827
ea11 1342 1342/1342 1342 ± 0 5.472 5.061/6.154 5.586 ± 0.6659
ea13 1342 1342/1342 1342 ± 0 6.334 5.614/6.441 6.119 ± 0.5801
ea14 1342 1342/1342 1342 ± 0 6.003 5.583/6.499 6.114 ± 0.547
ea15 1342 1342/1342 1342 ± 0.0000013 6.233 5.635/6.666 6.268 ± 0.7025
ea16 1342 1342/1342 1342 ± 0 6.213 5.632/6.715 6.214 ± 0.6915
ea17 1342 1342/1342 1342 ± 0 6.246 5.745/7.089 6.299 ± 0.7296
ea18 1342 1342/1342 1342 ± 0 6.587 5.901/7.222 6.488 ± 0.7255
ea19 1342 1342/1342 1342 ± 0 6.038 5.384/6.616 5.974 ± 0.702
ea20 1342 1342/1342 1342 ± 0 6.124 5.475/6.546 6.012 ± 0.6619
ea21 1342 1342/1342 1342 ± 0 5.484 5.145/5.974 5.62 ± 0.5262
ea22 1342 1342/1342 1342 ± 0 6.381 5.685/6.818 6.223 ± 0.6507
ea23 1342 1342/1342 1342 ± 0 5.978 5.5/6.356 6.045 ± 0.6822
ea24 1342 1342/1342 1342 ± 0 6.137 5.381/6.531 5.954 ± 0.6215
ea25 1342 1342/1342 1342 ± 0 6.607 5.724/6.981 6.526 ± 0.8054
ea27 1342 1342/1342 1342 ± 0 5.784 5.365/6.497 5.896 ± 0.6508
ea28 1342 1342/1342 1342 ± 0 6.308 5.735/6.973 6.358 ± 0.6712
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 ± 0.0000235 5.567 5.366/5.705 5.537 ± 0.2424
3 1342 1342/1342 1342 ± 0.00003144 4.291 3.841/4.752 4.361 ± 0.5957
4 1342 1342/1342 1342 ± 0.00002503 5.167 5.004/5.453 5.23 ± 0.2666
5 1342 1342/1342 1342 ± 0.00002352 5.292 5.073/5.526 5.293 ± 0.3018
6 1342 1342/1342 1342 ± 0.00002386 5.364 5.144/5.634 5.373 ± 0.3031
7 1342 1342/1342 1342 ± 0.0000235 5.48 5.299/5.67 5.469 ± 0.2588
8 1342 1342/1342 1342 ± 0.0000235 5.401 5.196/5.632 5.412 ± 0.2837
9 1342 1342/1342 1342 ± 0.0000235 5.675 5.61/5.949 5.733 ± 0.2851
10 1342 1342/1342 1342 ± 0.0000235 6.2 6.068/6.316 6.174 ± 0.2516
11 1342 1342/1342 1342 ± 0.00002367 6.421 6.182/6.577 6.387 ± 0.2716
12 1342 1342/1342 1342 ± 0.0000235 6.525 6.36/6.72 6.534 ± 0.3268
13 1342 1342/1342 1342 ± 0.0000235 6.982 6.762/7.224 6.972 ± 0.3207
14 1342 1342/1342 1342 ± 0.0000235 7.156 6.935/7.476 7.16 ± 0.3443
15 1342 1342/1342 1342 ± 0.0000235 6.883 6.622/7.219 6.882 ± 0.3711
16 1342 1342/1342 1342 ± 0.0000235 6.267 6.004/6.577 6.248 ± 0.3989
17 1342 1342/1342 1342 ± 0.0000235 6.272 6.009/6.478 6.207 ± 0.3652
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-29 04:12:17.340
End
2025-07-29 05:05:05.345
Duration
0:52:48.005
Note, WebLog generation is not included in the time.

CASA logs for stage 8