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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 5.986 5.484/6.289 5.937 ± 0.6002
ea02 1342 1342/1342 1342 ± 0 6.263 5.679/6.432 6.235 ± 0.5936
ea03 1342 1342/1342 1342 ± 0 6.085 5.444/6.66 6.107 ± 0.6967
ea04 1342 1342/1342 1342 ± 0.00001927 5.696 5.164/6.093 5.707 ± 0.5691
ea05 1342 1342/1342 1342 ± 0.00001605 5.768 5.336/6.516 5.933 ± 0.6492
ea06 1342 1342/1342 1342 ± 0 6.046 5.201/6.171 5.825 ± 0.6355
ea07 1342 1342/1342 1342 ± 0.000007265 6.013 5.201/6.235 5.871 ± 0.7128
ea08 1342 1342/1342 1342 ± 0.000004848 6.325 5.568/6.731 6.262 ± 0.6882
ea09 1342 1342/1342 1342 ± 0.000001224 5.684 5.225/6.386 5.826 ± 0.6875
ea10 1342 1342/1342 1342 ± 0.000008641 5.476 5.185/6.101 5.584 ± 0.6023
ea11 1342 1342/1342 1342 ± 0.00002802 5.332 5.137/6.194 5.61 ± 0.6399
ea12 1342 1342/1342 1342 ± 0.00002212 5.524 5.417/6.318 5.785 ± 0.577
ea13 1342 1342/1342 1342 ± 0 6.142 5.547/6.306 5.998 ± 0.6691
ea14 1342 1342/1342 1342 ± 0.000008119 6.025 5.709/6.637 6.18 ± 0.6072
ea15 1342 1342/1342 1342 ± 0.00002196 5.142 4.658/5.396 5.087 ± 0.4915
ea16 1342 1342/1342 1342 ± 0 6.203 5.702/6.667 6.286 ± 0.6932
ea17 1342 1342/1342 1342 ± 0 6.219 5.755/7.002 6.279 ± 0.6737
ea18 1342 1342/1342 1342 ± 0.000002101 6.477 5.836/7.103 6.426 ± 0.6939
ea19 1342 1342/1342 1342 ± 0.000001715 5.891 5.493/6.639 6.039 ± 0.6313
ea20 1342 1342/1342 1342 ± 0 6.221 5.531/6.613 6.121 ± 0.6012
ea21 1342 1342/1342 1342 ± 0 5.529 5.169/5.942 5.612 ± 0.4985
ea22 1342 1342/1342 1342 ± 0.00000297 6.304 5.762/6.86 6.287 ± 0.6731
ea23 1342 1342/1342 1342 ± 0 5.918 5.542/6.378 6.048 ± 0.6138
ea24 1342 1342/1342 1342 ± 0 6.138 5.37/6.472 5.966 ± 0.5909
ea25 1342 1342/1342 1342 ± 0 6.468 5.718/6.912 6.498 ± 0.768
ea27 1342 1342/1342 1342 ± 0 5.87 5.368/6.446 5.921 ± 0.5804
ea28 1342 1342/1342 1342 ± 0.000001213 6.39 5.765/6.93 6.415 ± 0.6587
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 ± 0.00002306 5.517 5.271/5.648 5.494 ± 0.2711
3 1342 1342/1342 1342 ± 0.00003875 4.82 4.556/5.019 4.798 ± 0.3462
5 1342 1342/1342 1342 ± 0.00002306 5.397 5.174/5.626 5.394 ± 0.3479
6 1342 1342/1342 1342 ± 0.00002306 5.377 5.182/5.632 5.387 ± 0.3092
7 1342 1342/1342 1342 ± 0.00002306 5.51 5.288/5.659 5.434 ± 0.2756
8 1342 1342/1342 1342 ± 0.00002306 5.419 5.145/5.582 5.362 ± 0.2929
9 1342 1342/1342 1342 ± 0.00002306 5.678 5.523/5.906 5.672 ± 0.3136
10 1342 1342/1342 1342 ± 0.00002306 6.152 5.995/6.309 6.107 ± 0.2984
11 1342 1342/1342 1342 ± 0.00002306 6.347 6.095/6.519 6.305 ± 0.3051
12 1342 1342/1342 1342 ± 0.00002306 6.446 6.24/6.666 6.458 ± 0.3604
13 1342 1342/1342 1342 ± 0.00002306 7.02 6.635/7.134 6.907 ± 0.3705
14 1342 1342/1342 1342 ± 0.00002306 7.156 6.877/7.427 7.096 ± 0.3979
15 1342 1342/1342 1342 ± 0.00002306 6.805 6.522/7.11 6.755 ± 0.4025
16 1342 1342/1342 1342 ± 0.00003206 6.172 5.785/6.387 6.096 ± 0.4362
17 1342 1342/1342 1342 ± 0.00003021 6.206 5.909/6.295 6.069 ± 0.4251
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-18 08:08:15.380
End
2025-07-18 09:08:55.164
Duration
1:00:39.785
Note, WebLog generation is not included in the time.

CASA logs for stage 8