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 5.973 5.496/6.296 5.905 ± 0.6213
ea02 1342 1342/1342 1342 ± 0 6.311 5.704/6.413 6.241 ± 0.5921
ea03 1342 1342/1342 1342 ± 0.000001215 6.101 5.444/6.676 6.095 ± 0.7164
ea04 1342 1342/1342 1342 ± 0.00001984 5.692 5.173/6.104 5.678 ± 0.6071
ea05 1342 1342/1342 1342 ± 0.00001904 5.721 5.344/6.417 5.901 ± 0.6694
ea06 1342 1342/1342 1342 ± 0.000001733 6.029 5.207/6.159 5.796 ± 0.683
ea07 1342 1342/1342 1342 ± 0.00001035 6.013 5.216/6.228 5.863 ± 0.7356
ea08 1342 1342/1342 1342 ± 0.000009383 6.35 5.592/6.726 6.268 ± 0.6865
ea09 1342 1342/1342 1342 ± 0.00001036 5.68 5.203/6.38 5.792 ± 0.7075
ea10 1342 1342/1342 1342 ± 0.00001382 5.477 5.19/6.095 5.569 ± 0.6318
ea11 1342 1342/1342 1342 ± 0.00003258 5.328 5.148/6.182 5.593 ± 0.6505
ea12 1342 1342/1342 1342 ± 0.00000985 5.533 5.45/6.319 5.785 ± 0.575
ea13 1342 1342/1342 1342 ± 0.000002451 6.118 5.592/6.331 6.012 ± 0.7017
ea14 1342 1342/1342 1342 ± 0.00001893 5.952 5.688/6.635 6.129 ± 0.6547
ea15 1342 1342/1342 1342 ± 0.00002598 5.097 4.666/5.409 5.055 ± 0.5281
ea16 1342 1342/1342 1342 ± 0 6.198 5.72/6.689 6.283 ± 0.7037
ea17 1342 1342/1342 1342 ± 0.000005476 6.203 5.777/6.985 6.267 ± 0.6916
ea18 1342 1342/1342 1342 ± 0.000002716 6.475 5.87/7.114 6.441 ± 0.7083
ea19 1342 1342/1342 1342 ± 0.000005946 5.909 5.505/6.644 6.024 ± 0.6346
ea20 1342 1342/1342 1342 ± 0.000001733 6.157 5.546/6.605 6.103 ± 0.6063
ea21 1342 1342/1342 1342 ± 0.000002123 5.511 5.148/5.925 5.597 ± 0.4999
ea22 1342 1342/1342 1342 ± 0.000004206 6.331 5.75/6.854 6.263 ± 0.7112
ea23 1342 1342/1342 1342 ± 0.00001425 5.863 5.524/6.365 6.009 ± 0.632
ea24 1342 1342/1342 1342 ± 0 6.133 5.328/6.471 5.962 ± 0.6014
ea25 1342 1342/1342 1342 ± 0 6.472 5.733/6.895 6.501 ± 0.7701
ea27 1342 1342/1342 1342 ± 0 5.86 5.378/6.438 5.908 ± 0.5716
ea28 1342 1342/1342 1342 ± 0.000002716 6.385 5.738/6.937 6.399 ± 0.6648
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 5.527 5.264/5.634 5.497 ± 0.2763
3 1342 1342/1342 1342 ± 0.00005026 4.523 4.183/4.823 4.521 ± 0.4511
5 1342 1342/1342 1342 ± 0.00002306 5.379 5.166/5.62 5.385 ± 0.3426
6 1342 1342/1342 1342 ± 0.00002306 5.375 5.186/5.668 5.382 ± 0.3145
7 1342 1342/1342 1342 ± 0.00002306 5.518 5.297/5.667 5.445 ± 0.2776
8 1342 1342/1342 1342 ± 0.00002306 5.436 5.145/5.591 5.372 ± 0.2928
9 1342 1342/1342 1342 ± 0.00002306 5.681 5.532/5.903 5.676 ± 0.3129
10 1342 1342/1342 1342 ± 0.00002306 6.149 5.985/6.322 6.102 ± 0.2965
11 1342 1342/1342 1342 ± 0.00002306 6.342 6.092/6.523 6.301 ± 0.3065
12 1342 1342/1342 1342 ± 0.00002306 6.438 6.234/6.679 6.458 ± 0.3613
13 1342 1342/1342 1342 ± 0.00002306 7.022 6.64/7.134 6.913 ± 0.3691
14 1342 1342/1342 1342 ± 0.00002306 7.158 6.835/7.423 7.083 ± 0.4039
15 1342 1342/1342 1342 ± 0.00002306 6.74 6.467/7.06 6.727 ± 0.4185
16 1342 1342/1342 1342 ± 0.00003232 6.121 5.75/6.435 6.075 ± 0.4394
17 1342 1342/1342 1342 ± 0.00002755 6.088 5.836/6.322 6.044 ± 0.4331
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-18 02:46:09.765
End
2025-07-18 03:48:04.330
Duration
1:01:54.566
Note, WebLog generation is not included in the time.

CASA logs for stage 8