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 6.187 5.436/6.582 6.049 ± 0.6578
ea02 1342 1342/1342 1342 ± 0 5.77 4.995/6.032 5.646 ± 0.6329
ea03 1342 1342/1342 1342 ± 0 6.178 5.319/6.81 6.136 ± 0.8159
ea04 1342 1342/1342 1342 ± 0 5.602 5.035/6.04 5.568 ± 0.6373
ea05 1342 1342/1342 1342 ± 0 6.047 5.254/6.795 5.986 ± 0.7308
ea06 1342 1342/1342 1342 ± 0 6.19 5.148/6.472 5.921 ± 0.7457
ea07 1342 1342/1342 1342 ± 0 5.816 4.955/6.203 5.678 ± 0.7461
ea08 1342 1342/1342 1342 ± 0 5.762 4.738/6.004 5.502 ± 0.7282
ea09 1342 1342/1342 1342 ± 0 5.517 4.873/6.219 5.492 ± 0.6734
ea10 1342 1342/1342 1342 ± 0 5.712 5.024/6.187 5.643 ± 0.6367
ea11 1342 1342/1342 1342 ± 0 5.707 5.282/6.552 5.834 ± 0.7511
ea12 1342 1342/1342 1342 ± 0 5.756 5.125/6.351 5.757 ± 0.675
ea13 1342 1342/1342 1342 ± 0 5.368 4.566/5.598 5.215 ± 0.5687
ea14 1342 1342/1342 1342 ± 0 6.109 5.508/6.626 6.125 ± 0.6574
ea15 1342 1342/1342 1342 ± 0 6.031 5.423/6.538 5.998 ± 0.7111
ea16 1342 1342/1342 1342 ± 0 6.282 5.669/6.832 6.324 ± 0.7597
ea17 1342 1342/1342 1342 ± 0 6.042 5.5/6.902 6.16 ± 0.7451
ea18 1342 1342/1342 1342 ± 0 5.976 5.48/6.288 5.801 ± 0.5925
ea19 1342 1342/1342 1342 ± 0 6.138 5.389/6.652 6.062 ± 0.7103
ea20 1342 1342/1342 1342 ± 0 5.953 5.417/6.627 5.96 ± 0.6989
ea21 1342 1342/1342 1342 ± 0 5.618 5.004/6.043 5.566 ± 0.6048
ea22 1342 1342/1342 1342 ± 0 5.574 4.789/5.908 5.413 ± 0.647
ea23 1342 1342/1342 1342 ± 0 6.212 5.39/6.386 6.043 ± 0.7308
ea24 1342 1342/1342 1342 ± 0 5.67 5.446/5.91 5.526 ± 0.5251
ea25 1342 1342/1342 1342 ± 0 6.567 5.649/7.135 6.497 ± 0.8831
ea27 1342 1342/1342 1342 ± 0 6.096 5.26/6.533 5.952 ± 0.707
ea28 1342 1342/1342 1342 ± 0 5.846 5.151/6.418 5.737 ± 0.6698
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 ± 0.00002393 5.287 5.048/5.418 5.21 ± 0.3108
4 1342 1342/1342 1342 ± 0.00002393 4.975 4.799/5.165 5.027 ± 0.3482
5 1342 1342/1342 1342 ± 0.00002459 5.002 4.836/5.164 5.026 ± 0.2703
6 1342 1342/1342 1342 ± 0.00002393 4.998 4.776/5.227 5.023 ± 0.2676
7 1342 1342/1342 1342 ± 0.00002365 5.277 4.852/5.421 5.198 ± 0.2922
8 1342 1342/1342 1342 ± 0.00002337 5.174 4.965/5.453 5.177 ± 0.3405
9 1342 1342/1342 1342 ± 0.00002337 5.609 5.3/5.756 5.526 ± 0.3472
10 1342 1342/1342 1342 ± 0.00002337 6.049 5.765/6.215 5.993 ± 0.302
11 1342 1342/1342 1342 ± 0.00002337 6.241 5.948/6.528 6.221 ± 0.3151
12 1342 1342/1342 1342 ± 0.00002307 6.39 6.042/6.651 6.353 ± 0.3832
13 1342 1342/1342 1342 ± 0.00002307 6.793 6.489/7.14 6.805 ± 0.4349
14 1342 1342/1342 1342 ± 0.00002307 6.97 6.674/7.26 6.933 ± 0.4454
15 1342 1342/1342 1342 ± 0.00002307 6.652 6.37/6.962 6.678 ± 0.4164
16 1342 1342/1342 1342 ± 0.00002307 6.051 5.841/6.401 6.121 ± 0.3939
17 1342 1342/1342 1342 ± 0.00002307 6.011 5.769/6.449 6.051 ± 0.3961
overwrite_modelcol
False
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-29 05:50:18.106
End
2025-07-29 06:51:01.554
Duration
1:00:43.448
Note, WebLog generation is not included in the time.

CASA logs for stage 8