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 6.082 5.807/6.865 6.287 ± 0.7815
ea03 1342 1342/1342 1342 ± 0 5.515 5.05/6.48 5.701 ± 0.8739
ea04 1342 1342/1342 1342 ± 0 5.734 5.27/6.518 5.853 ± 0.8112
ea05 1342 1342/1342 1342 ± 0 6.158 5.602/7.071 6.303 ± 0.8036
ea06 1342 1342/1342 1342 ± 0 6.108 5.522/6.623 6.076 ± 0.7758
ea07 1342 1342/1342 1342 ± 0 6.049 5.406/6.487 6.007 ± 0.8103
ea08 1342 1342/1342 1342 ± 0 5.963 5.46/6.815 6.123 ± 0.8122
ea09 1342 1342/1342 1342 ± 0 5.992 5.497/6.796 6.115 ± 0.8811
ea10 1342 1342/1342 1342 ± 0 6.293 5.6/7.099 6.235 ± 0.9217
ea11 1342 1342/1342 1342 ± 0 6.38 5.346/6.785 6.181 ± 0.8378
ea12 1342 1342/1342 1342 ± 0 6.486 5.67/6.916 6.399 ± 0.8322
ea13 1342 1342/1342 1342 ± 0 5.713 5.62/6.326 5.961 ± 0.5222
ea14 1342 1342/1342 1342 ± 0 6.318 5.65/6.942 6.303 ± 0.9104
ea15 1342 1342/1342 1342 ± 0 5.829 5.335/6.421 5.873 ± 0.7894
ea16 1342 1342/1342 1342 ± 0 6.476 5.867/6.988 6.416 ± 0.8757
ea17 1342 1342/1342 1342 ± 0 6.791 6.206/7.762 6.922 ± 0.8597
ea18 1342 1342/1342 1342 ± 0 5.161 4.711/5.529 5.188 ± 0.499
ea19 1342 1342/1342 1342 ± 0 6.368 5.816/7.067 6.427 ± 0.8893
ea20 1342 1342/1342 1342 ± 0 5.95 5.516/6.638 6.047 ± 0.8145
ea21 1342 1342/1342 1342 ± 0 5.401 5.088/5.994 5.563 ± 0.548
ea22 1342 1342/1342 1342 ± 0.00000761 6.347 5.381/6.749 6.116 ± 0.7759
ea23 1342 1342/1342 1342 ± 0 6.331 5.694/6.861 6.362 ± 0.7727
ea24 1342 1342/1342 1342 ± 0 5.823 5.274/6.588 5.916 ± 0.6546
ea25 1342 1342/1342 1342 ± 0 6.708 5.611/7.2 6.522 ± 0.9119
ea26 1342 1342/1342 1342 ± 0 6.445 6.06/7.454 6.62 ± 0.8825
ea27 1342 1342/1342 1342 ± 0 6.17 5.592/7.01 6.204 ± 0.8007
ea28 1342 1342/1342 1342 ± 0 6.159 5.802/7.039 6.422 ± 0.7882
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 5.532 5.302/5.77 5.523 ± 0.3263
3 1342 1342/1342 1342 ± 0.00002449 5.179 4.967/5.335 5.174 ± 0.3189
4 1342 1342/1342 1342 ± 0.0000316 4.263 4.193/4.381 4.34 ± 0.2805
5 1342 1342/1342 1342 ± 0.00002307 5.609 5.314/5.716 5.53 ± 0.3296
6 1342 1342/1342 1342 ± 0.00002307 5.535 5.405/5.782 5.52 ± 0.3091
7 1342 1342/1342 1342 ± 0.00002307 5.623 5.357/5.733 5.576 ± 0.3072
8 1342 1342/1342 1342 ± 0.00002307 5.53 5.284/5.779 5.516 ± 0.3467
9 1342 1342/1342 1342 ± 0.00002307 5.86 5.61/6.114 5.835 ± 0.3479
10 1342 1342/1342 1342 ± 0.00002307 6.489 6.224/6.619 6.394 ± 0.3491
11 1342 1342/1342 1342 ± 0.00002307 6.723 6.466/6.888 6.645 ± 0.3711
12 1342 1342/1342 1342 ± 0.00002307 6.862 6.56/7.012 6.774 ± 0.439
13 1342 1342/1342 1342 ± 0.00002307 7.316 7.071/7.659 7.291 ± 0.4742
14 1342 1342/1342 1342 ± 0.00002307 7.564 7.166/7.806 7.485 ± 0.4827
15 1342 1342/1342 1342 ± 0.00002307 7.129 6.791/7.42 7.107 ± 0.4487
16 1342 1342/1342 1342 ± 0.00002307 6.406 6.218/6.765 6.436 ± 0.4363
17 1342 1342/1342 1342 ± 0.00002307 6.42 6.093/6.598 6.346 ± 0.4933
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
overwrite_modelcol
False
Start time
2025-06-11 05:57:47.031
End
2025-06-11 06:56:33.047
Duration
0:58:46.017
Note, WebLog generation is not included in the time.

CASA logs for stage 8