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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.334 5.863/6.916 6.384 ± 0.7986
ea03 1342 1342/1342 1342 ± 0.000002597 5.677 5.114/6.564 5.759 ± 0.8913
ea04 1342 1342/1342 1342 ± 0 5.639 5.244/6.415 5.867 ± 0.8156
ea05 1342 1342/1342 1342 ± 0 6.317 5.661/7.075 6.268 ± 0.9209
ea06 1342 1342/1342 1342 ± 0 6.135 5.655/6.638 6.148 ± 0.7542
ea07 1342 1342/1342 1342 ± 0 6.303 5.444/6.473 6.099 ± 0.742
ea08 1342 1342/1342 1342 ± 0 6.143 5.493/6.858 6.164 ± 0.8409
ea09 1342 1342/1342 1342 ± 0 6.132 5.54/6.848 6.195 ± 0.9125
ea10 1342 1342/1342 1342 ± 0 6.278 5.628/7.1 6.269 ± 0.9348
ea11 1342 1342/1342 1342 ± 0.000004356 6.409 5.43/6.827 6.149 ± 0.9207
ea12 1342 1342/1342 1342 ± 0 6.549 5.71/6.928 6.371 ± 0.907
ea13 1342 1342/1342 1342 ± 0 5.827 5.756/6.419 6.076 ± 0.5233
ea14 1342 1342/1342 1342 ± 0 6.357 5.728/6.995 6.354 ± 0.9081
ea15 1342 1342/1342 1342 ± 0 5.872 5.398/6.485 5.92 ± 0.7732
ea16 1342 1342/1342 1342 ± 0 6.53 5.891/7.053 6.497 ± 0.8513
ea17 1342 1342/1342 1342 ± 0 6.829 6.296/7.837 6.957 ± 0.8652
ea18 1342 1342/1342 1342 ± 0 5.269 4.811/5.681 5.305 ± 0.5224
ea19 1342 1342/1342 1342 ± 0 6.745 5.87/7.293 6.538 ± 0.8498
ea20 1342 1342/1342 1342 ± 0 5.96 5.573/6.717 6.105 ± 0.8381
ea21 1342 1342/1342 1342 ± 0 5.484 5.179/6.069 5.612 ± 0.5897
ea22 1342 1342/1342 1342 ± 0.000005459 6.399 5.448/6.773 6.124 ± 0.8219
ea23 1342 1342/1342 1342 ± 0 6.387 5.812/6.921 6.436 ± 0.7653
ea24 1342 1342/1342 1342 ± 0 6.128 5.342/6.62 5.947 ± 0.7209
ea25 1342 1342/1342 1342 ± 0 6.734 5.762/7.182 6.494 ± 0.9529
ea26 1342 1342/1342 1342 ± 0 6.733 6.05/7.504 6.587 ± 1.049
ea27 1342 1342/1342 1342 ± 0 6.08 5.61/7.021 6.173 ± 0.8738
ea28 1342 1342/1342 1342 ± 0 6.264 5.866/7.089 6.426 ± 0.84
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 ± 0.00002307 5.658 5.368/5.836 5.604 ± 0.3294
3 1342 1342/1342 1342 ± 0.00002433 5.283 5.031/5.404 5.263 ± 0.3406
4 1342 1342/1342 1342 ± 0.00002722 4.336 4.134/4.458 4.361 ± 0.2855
5 1342 1342/1342 1342 ± 0.00002307 5.727 5.354/5.846 5.619 ± 0.3503
6 1342 1342/1342 1342 ± 0.00002307 5.621 5.416/5.813 5.573 ± 0.3041
7 1342 1342/1342 1342 ± 0.00002307 5.682 5.453/5.838 5.636 ± 0.3094
8 1342 1342/1342 1342 ± 0.00002307 5.535 5.319/5.793 5.568 ± 0.3419
9 1342 1342/1342 1342 ± 0.00002307 5.909 5.632/6.127 5.867 ± 0.3343
10 1342 1342/1342 1342 ± 0.00002307 6.562 6.295/6.689 6.456 ± 0.3436
11 1342 1342/1342 1342 ± 0.00002307 6.771 6.516/6.95 6.695 ± 0.3602
12 1342 1342/1342 1342 ± 0.00002307 6.909 6.615/7.063 6.834 ± 0.4307
13 1342 1342/1342 1342 ± 0.00002307 7.389 7.112/7.757 7.379 ± 0.4627
14 1342 1342/1342 1342 ± 0.00002307 7.635 7.207/7.903 7.578 ± 0.4701
15 1342 1342/1342 1342 ± 0.00002307 7.172 6.844/7.461 7.154 ± 0.4365
16 1342 1342/1342 1342 ± 0.00002307 6.422 6.239/6.878 6.49 ± 0.4335
17 1342 1342/1342 1342 ± 0.00002307 6.467 6.207/6.801 6.444 ± 0.4389
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-06-11 07:49:45.449
End
2025-06-11 08:52:29.992
Duration
1:02:44.542
Note, WebLog generation is not included in the time.

CASA logs for stage 8