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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.374 5.26/5.915 5.421 ± 0.777
ea02 1342 1342/1342 1342 ± 0.00004306 5.807 5.285/6.363 5.674 ± 0.9504
ea03 1342 1342/1342 1342 ± 0.000008068 4.858 4.626/5.721 5.025 ± 0.7445
ea04 1342 1342/1342 1342 ± 0.00002781 5.313 5.077/6.112 5.375 ± 0.8609
ea05 1342 1342/1342 1342 ± 0.00002056 5.451 5.108/6.283 5.567 ± 0.8693
ea06 1342 1342/1342 1342 ± 0.000003614 4.33 4.152/4.91 4.364 ± 0.6164
ea07 1342 1342/1342 1342 ± 0.00004272 5.755 5.235/6.173 5.608 ± 0.8537
ea08 1342 1342/1342 1342 ± 0.00004475 5.906 5.474/6.654 5.841 ± 1.005
ea09 1342 1342/1342 1342 ± 0.00001396 5.493 5.06/6.136 5.384 ± 0.8236
ea10 1342 1342/1342 1342 ± 0.00004326 5.788 5.222/6.49 5.655 ± 0.9451
ea11 1342 1342/1342 1342 ± 0.000003791 5.526 4.974/6.305 5.526 ± 0.983
ea12 1342 1342/1342 1342 ± 0.0000378 5.527 5.271/6.514 5.643 ± 0.9375
ea13 1342 1342/1342 1342 ± 0.00001805 5.94 5.631/6.316 5.769 ± 0.8396
ea14 1342 1342/1342 1342 ± 0.00001633 5.653 5.073/6.18 5.501 ± 0.94
ea15 1342 1342/1342 1342 ± 0.00000369 3.687 3.549/4.646 3.943 ± 0.8256
ea16 1342 1342/1342 1342 ± 0.00002765 5.783 5.506/6.685 5.824 ± 0.9992
ea17 1342 1342/1342 1342 ± 0.000004426 6.045 5.544/7.242 6.09 ± 1.113
ea18 1342 1342/1342 1342 ± 0.00004271 4.72 4.43/5.313 4.748 ± 0.6288
ea19 1342 1342/1342 1342 ± 0.00001742 5.366 5.183/6.224 5.538 ± 0.8205
ea20 1342 1342/1342 1342 ± 0.00001657 5.827 5.699/6.952 5.982 ± 1.089
ea21 1342 1342/1342 1342 ± 0.00002573 5.756 5.039/6.276 5.557 ± 0.9046
ea23 1342 1342/1342 1342 ± 0.00004011 5.445 5.251/5.594 5.199 ± 0.7668
ea24 1342 1342/1342 1342 ± 0.00003691 5.531 5.244/6.291 5.512 ± 0.8577
ea25 1342 1342/1342 1342 ± 0.00004585 5.534 5.244/6.098 5.444 ± 0.8474
ea26 1342 1342/1342 1342 ± 0.00002591 5.858 5.501/6.372 5.772 ± 0.918
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004584 5.358 5.134/6.103 5.398 ± 0.8185
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 ± 0.00002383 5.357 5.052/5.54 5.223 ± 0.4846
5 1342 1342/1342 1342 ± 0.00002383 5.4 5.116/5.634 5.284 ± 0.5482
6 1342 1342/1342 1342 ± 0.00002383 5.251 4.969/5.499 5.14 ± 0.4915
7 1342 1342/1342 1342 ± 0.00002383 5.245 5.098/5.507 5.202 ± 0.4706
8 1342 1342/1342 1342 ± 0.00002383 5.245 5.121/5.479 5.194 ± 0.4908
9 1342 1342/1342 1342 ± 0.00002383 5.662 5.314/5.816 5.467 ± 0.5268
10 1342 1342/1342 1342 ± 0.00002383 5.954 5.529/6.14 5.784 ± 0.5736
11 1342 1342/1342 1342 ± 0.00002383 6.166 5.989/6.326 6.073 ± 0.5269
12 1342 1342/1342 1342 ± 0.00002383 6.298 6.116/6.637 6.264 ± 0.575
13 1342 1342/1342 1342 ± 0.00002385 6.565 6.297/6.85 6.482 ± 0.5395
14 1342 1342/1342 1342 ± 0.00003391 6.325 5.813/6.659 6.262 ± 0.6308
15 1342 1342/1342 1342 ± 0.00002392 6.407 6.131/6.816 6.324 ± 0.7177
16 1342 1342/1342 1342 ± 0.0000609 3.679 3.555/3.797 3.623 ± 0.3228
17 1342 1342/1342 1342 ± 0.00006089 3.833 3.694/3.985 3.791 ± 0.3329
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-11 18:42:45.262
End
2025-01-11 19:53:01.103
Duration
1:10:15.841
Note, WebLog generation is not included in the time.

CASA logs for stage 8