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 5.774 5.333/6.287 5.839 ± 0.6238
ea02 1342 1342/1342 1342 ± 0 6.126 5.471/6.371 6.026 ± 0.669
ea03 1342 1342/1342 1342 ± 0 6.032 5.349/6.661 6.017 ± 0.7485
ea04 1342 1342/1342 1342 ± 0 5.631 5.057/6.078 5.621 ± 0.6047
ea05 1342 1342/1342 1342 ± 0 5.7 5.19/6.39 5.821 ± 0.6925
ea06 1342 1342/1342 1342 ± 0 5.896 4.983/6.052 5.627 ± 0.684
ea07 1342 1342/1342 1342 ± 0 5.819 5.092/6.247 5.816 ± 0.7165
ea08 1342 1342/1342 1342 ± 0 6.309 5.502/6.69 6.214 ± 0.6719
ea09 1342 1342/1342 1342 ± 0 5.674 5.034/6.413 5.765 ± 0.7171
ea10 1342 1342/1342 1342 ± 0 5.529 5.077/6.099 5.562 ± 0.6006
ea11 1342 1342/1342 1342 ± 0.000005582 5.374 5.083/6.171 5.586 ± 0.6612
ea12 1342 1342/1342 1342 ± 0 5.465 5.315/6.312 5.673 ± 0.6565
ea13 1342 1342/1342 1342 ± 0 5.812 5.377/6.266 5.832 ± 0.6903
ea14 1342 1342/1342 1342 ± 0.000002498 5.857 5.511/6.539 6.006 ± 0.6326
ea15 1342 1342/1342 1342 ± 0.000004553 4.81 4.398/5.17 4.824 ± 0.452
ea16 1342 1342/1342 1342 ± 0 6.027 5.568/6.516 6.106 ± 0.7374
ea17 1342 1342/1342 1342 ± 0 6.03 5.661/6.721 6.223 ± 0.6993
ea18 1342 1342/1342 1342 ± 0 6.22 5.679/6.828 6.28 ± 0.7225
ea19 1342 1342/1342 1342 ± 0 5.799 5.394/6.473 5.917 ± 0.702
ea20 1342 1342/1342 1342 ± 0 6.067 5.337/6.493 5.904 ± 0.6255
ea21 1342 1342/1342 1342 ± 0 5.491 5.071/5.963 5.54 ± 0.5514
ea22 1342 1342/1342 1342 ± 0 6.384 5.637/6.9 6.251 ± 0.7333
ea23 1342 1342/1342 1342 ± 0 5.912 5.449/6.412 6.015 ± 0.6952
ea24 1342 1342/1342 1342 ± 0 6.056 5.218/6.445 5.805 ± 0.6503
ea25 1342 1342/1342 1342 ± 0 6.445 5.606/6.829 6.36 ± 0.823
ea27 1342 1342/1342 1342 ± 0 5.735 5.241/6.477 5.826 ± 0.6596
ea28 1342 1342/1342 1342 ± 0 6.304 5.624/6.881 6.27 ± 0.6937
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 5.383 5.207/5.551 5.376 ± 0.2721
3 1342 1342/1342 1342 ± 0.00002362 4.967 4.775/5.119 4.962 ± 0.2897
4 1342 1342/1342 1342 ± 0.00003084 5.076 4.834/5.273 5.088 ± 0.346
5 1342 1342/1342 1342 ± 0.00002306 5.219 5.011/5.505 5.225 ± 0.3387
6 1342 1342/1342 1342 ± 0.00002307 5.23 5.034/5.48 5.217 ± 0.3235
7 1342 1342/1342 1342 ± 0.00002306 5.4 5.201/5.477 5.33 ± 0.2793
8 1342 1342/1342 1342 ± 0.00002306 5.339 5.124/5.495 5.289 ± 0.301
9 1342 1342/1342 1342 ± 0.00002306 5.634 5.461/5.876 5.612 ± 0.3264
10 1342 1342/1342 1342 ± 0.00002306 6.084 5.966/6.263 6.072 ± 0.3177
11 1342 1342/1342 1342 ± 0.00002306 6.34 6.091/6.465 6.278 ± 0.3237
12 1342 1342/1342 1342 ± 0.00002306 6.448 6.24/6.661 6.435 ± 0.3798
13 1342 1342/1342 1342 ± 0.00002306 6.877 6.622/7.162 6.875 ± 0.3949
14 1342 1342/1342 1342 ± 0.00002306 7.101 6.869/7.37 7.059 ± 0.4173
15 1342 1342/1342 1342 ± 0.00002306 6.77 6.534/7.049 6.725 ± 0.4321
16 1342 1342/1342 1342 ± 0.00002332 6.068 5.768/6.399 6.072 ± 0.4302
17 1342 1342/1342 1342 ± 0.0000233 6.102 5.814/6.313 6.03 ± 0.4118
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
output_dir
 
Start time
2025-07-18 08:10:03.367
End
2025-07-18 09:02:34.972
Duration
0:52:31.605
Note, WebLog generation is not included in the time.

CASA logs for stage 8