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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.251 5.564/6.698 6.226 ± 0.6807
ea02 1342 1342/1342 1342 ± 0.000004705 6.345 5.54/6.592 6.264 ± 0.6625
ea03 1342 1342/1342 1342 ± 0.000006502 6.364 5.527/7.019 6.368 ± 0.7816
ea04 1342 1342/1342 1342 ± 0 5.719 5.169/6.136 5.718 ± 0.6383
ea05 1342 1342/1342 1342 ± 0 6.209 5.36/6.781 6.086 ± 0.7218
ea06 1342 1342/1342 1342 ± 0 6.305 5.28/6.525 6.044 ± 0.7098
ea07 1342 1342/1342 1342 ± 0 6.28 5.397/6.666 6.133 ± 0.7959
ea08 1342 1342/1342 1342 ± 0 6.669 5.71/6.927 6.475 ± 0.7092
ea09 1342 1342/1342 1342 ± 0 5.746 5.13/6.502 5.849 ± 0.7199
ea10 1342 1342/1342 1342 ± 0 5.978 5.166/6.342 5.829 ± 0.6525
ea11 1342 1342/1342 1342 ± 0 5.848 5.415/6.579 5.943 ± 0.7406
ea12 1342 1342/1342 1342 ± 0 5.822 5.201/6.366 5.848 ± 0.648
ea13 1342 1342/1342 1342 ± 0 6.211 5.432/6.342 6.025 ± 0.569
ea14 1342 1342/1342 1342 ± 0 6.267 5.607/6.62 6.193 ± 0.6389
ea15 1342 1342/1342 1342 ± 0 6.253 5.574/6.63 6.188 ± 0.7487
ea16 1342 1342/1342 1342 ± 0 6.383 5.861/6.903 6.46 ± 0.7239
ea17 1342 1342/1342 1342 ± 0 6.327 5.809/7.243 6.467 ± 0.7768
ea18 1342 1342/1342 1342 ± 0 6.561 5.814/7.192 6.497 ± 0.7334
ea19 1342 1342/1342 1342 ± 0 6.242 5.49/6.75 6.172 ± 0.6787
ea20 1342 1342/1342 1342 ± 0 6.708 5.847/7.21 6.529 ± 0.7496
ea21 1342 1342/1342 1342 ± 0 5.619 5.249/6.088 5.703 ± 0.5535
ea22 1342 1342/1342 1342 ± 0 6.297 5.581/6.667 6.133 ± 0.6729
ea23 1342 1342/1342 1342 ± 0 6.195 5.407/6.375 6.076 ± 0.7211
ea24 1342 1342/1342 1342 ± 0 6.356 5.289/6.728 5.98 ± 0.8035
ea25 1342 1342/1342 1342 ± 0 6.778 5.894/7.309 6.723 ± 0.8498
ea27 1342 1342/1342 1342 ± 0 6.191 5.278/6.643 6.059 ± 0.7185
ea28 1342 1342/1342 1342 ± 0 6.508 5.804/7.067 6.448 ± 0.7349
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 ± 0.00002328 5.451 5.251/5.592 5.443 ± 0.2444
4 1342 1342/1342 1342 ± 0.00002355 5.376 5.132/5.494 5.337 ± 0.3403
5 1342 1342/1342 1342 ± 0.00002328 5.44 5.249/5.722 5.473 ± 0.2937
6 1342 1342/1342 1342 ± 0.00002328 5.315 5.002/5.499 5.3 ± 0.2824
7 1342 1342/1342 1342 ± 0.00002328 5.512 5.358/5.795 5.535 ± 0.2376
8 1342 1342/1342 1342 ± 0.00002328 5.539 5.273/5.673 5.511 ± 0.2761
9 1342 1342/1342 1342 ± 0.00002328 5.844 5.715/6.023 5.842 ± 0.2875
10 1342 1342/1342 1342 ± 0.00002328 6.317 6.244/6.378 6.305 ± 0.2536
11 1342 1342/1342 1342 ± 0.00002328 6.521 6.338/6.694 6.526 ± 0.2735
12 1342 1342/1342 1342 ± 0.00002328 6.647 6.387/6.901 6.672 ± 0.3262
13 1342 1342/1342 1342 ± 0.00002328 7.155 6.945/7.475 7.175 ± 0.3403
14 1342 1342/1342 1342 ± 0.00002328 7.384 7.124/7.645 7.386 ± 0.3323
15 1342 1342/1342 1342 ± 0.00002328 7.052 6.726/7.307 7.054 ± 0.352
16 1342 1342/1342 1342 ± 0.00002328 6.468 6.209/6.783 6.474 ± 0.3591
17 1342 1342/1342 1342 ± 0.00002328 6.457 6.248/6.659 6.409 ± 0.3463
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
output_dir
 
Start time
2025-07-29 04:41:51.225
End
2025-07-29 05:43:58.523
Duration
1:02:07.298
Note, WebLog generation is not included in the time.

CASA logs for stage 8