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 6.26 5.638/6.754 6.215 ± 0.6885
ea02 1342 1342/1342 1342 ± 0 5.839 5.084/5.989 5.724 ± 0.619
ea03 1342 1342/1342 1342 ± 0 6.281 5.448/6.905 6.28 ± 0.7705
ea04 1342 1342/1342 1342 ± 0 5.783 5.143/6.22 5.749 ± 0.6508
ea05 1342 1342/1342 1342 ± 0 6.24 5.386/6.893 6.136 ± 0.7386
ea06 1342 1342/1342 1342 ± 0 6.348 5.25/6.563 6.051 ± 0.725
ea07 1342 1342/1342 1342 ± 0 5.912 5.024/6.201 5.751 ± 0.7367
ea08 1342 1342/1342 1342 ± 0 5.937 4.843/6.09 5.678 ± 0.7007
ea09 1342 1342/1342 1342 ± 0 5.661 5.034/6.41 5.748 ± 0.7147
ea10 1342 1342/1342 1342 ± 0 5.849 5.179/6.287 5.759 ± 0.6334
ea11 1342 1342/1342 1342 ± 0 5.833 5.43/6.658 5.975 ± 0.7586
ea12 1342 1342/1342 1342 ± 0 5.815 5.358/6.46 5.897 ± 0.6615
ea13 1342 1342/1342 1342 ± 0 5.707 4.831/5.791 5.435 ± 0.5719
ea14 1342 1342/1342 1342 ± 0 6.236 5.636/6.72 6.249 ± 0.6157
ea15 1342 1342/1342 1342 ± 0 6.291 5.579/6.738 6.233 ± 0.7601
ea16 1342 1342/1342 1342 ± 0 6.42 5.764/6.929 6.423 ± 0.7369
ea17 1342 1342/1342 1342 ± 0 6.179 5.652/7.034 6.273 ± 0.7491
ea18 1342 1342/1342 1342 ± 0 6.163 5.943/6.434 6.11 ± 0.4422
ea19 1342 1342/1342 1342 ± 0 6.271 5.565/6.797 6.23 ± 0.6841
ea20 1342 1342/1342 1342 ± 0 6.366 5.62/6.901 6.243 ± 0.7301
ea21 1342 1342/1342 1342 ± 0 5.62 5.06/5.976 5.575 ± 0.5795
ea22 1342 1342/1342 1342 ± 0 5.623 4.878/5.958 5.484 ± 0.6411
ea23 1342 1342/1342 1342 ± 0 6.22 5.469/6.426 6.077 ± 0.718
ea24 1342 1342/1342 1342 ± 0 5.612 4.632/5.951 5.301 ± 0.7332
ea25 1342 1342/1342 1342 ± 0 6.672 5.764/7.253 6.646 ± 0.8704
ea27 1342 1342/1342 1342 ± 0 6.236 5.4/6.676 6.092 ± 0.6964
ea28 1342 1342/1342 1342 ± 0 6.173 5.422/6.669 6.06 ± 0.7024
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 ± 0.00002397 5.466 5.268/5.603 5.363 ± 0.3558
4 1342 1342/1342 1342 ± 0.00002516 5.161 4.909/5.383 5.143 ± 0.3886
5 1342 1342/1342 1342 ± 0.00002348 5.232 4.97/5.412 5.226 ± 0.3205
6 1342 1342/1342 1342 ± 0.00002348 4.914 4.822/5.247 5.049 ± 0.2816
7 1342 1342/1342 1342 ± 0.00002348 5.423 4.969/5.609 5.32 ± 0.3296
8 1342 1342/1342 1342 ± 0.00002348 5.416 5.097/5.62 5.331 ± 0.3535
9 1342 1342/1342 1342 ± 0.00002305 5.768 5.34/5.904 5.654 ± 0.3571
10 1342 1342/1342 1342 ± 0.00002305 6.181 5.818/6.347 6.11 ± 0.315
11 1342 1342/1342 1342 ± 0.00002305 6.367 6.032/6.62 6.327 ± 0.3325
12 1342 1342/1342 1342 ± 0.00002305 6.463 6.071/6.795 6.465 ± 0.3864
13 1342 1342/1342 1342 ± 0.00002305 6.978 6.542/7.283 6.926 ± 0.4327
14 1342 1342/1342 1342 ± 0.00002305 7.169 6.8/7.38 7.104 ± 0.4208
15 1342 1342/1342 1342 ± 0.00002305 6.886 6.561/7.032 6.832 ± 0.3968
16 1342 1342/1342 1342 ± 0.00002305 6.252 5.998/6.66 6.297 ± 0.3779
17 1342 1342/1342 1342 ± 0.00002305 6.209 5.976/6.512 6.211 ± 0.3721
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-29 03:35:57.374
End
2025-07-29 04:30:22.100
Duration
0:54:24.726
Note, WebLog generation is not included in the time.

CASA logs for stage 8