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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.488 5.198/6.156 5.468 ± 0.8923
ea02 1342 1342/1342 1342 ± 0.0000353 5.189 4.967/6.292 5.439 ± 0.941
ea03 1342 1342/1342 1342 ± 0.000001691 5.262 5.093/6.272 5.483 ± 0.6867
ea04 1342 1342/1342 1342 ± 0.00004558 5.016 4.602/5.862 5.055 ± 0.7506
ea05 1342 1342/1342 1342 ± 0.00004746 5.227 4.866/6.188 5.302 ± 0.8762
ea06 1342 1342/1342 1342 ± 0.00001473 4.879 4.627/5.759 5.012 ± 0.694
ea07 1342 1342/1342 1342 ± 0.00003878 5.037 4.854/6.034 5.247 ± 0.8459
ea08 1342 1342/1342 1342 ± 0.00001591 5.673 5.235/6.637 5.65 ± 0.9966
ea09 1342 1342/1342 1342 ± 0.00004999 4.958 4.715/5.932 4.967 ± 0.9907
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00005151 5.196 4.516/6.079 5.142 ± 0.9349
ea12 1342 1342/1342 1342 ± 0.00004219 5.064 4.59/5.775 5.031 ± 0.8101
ea14 1342 1342/1342 1342 ± 0.00004521 5.345 5.025/6.299 5.387 ± 0.8527
ea15 1342 1342/1342 1342 ± 0.00004812 5.465 5.088/6.48 5.516 ± 0.9521
ea16 1342 1342/1342 1342 ± 0.00001411 5.51 5.164/6.307 5.541 ± 0.8585
ea17 1342 1342/1342 1342 ± 0.0000395 5.615 5.165/6.47 5.631 ± 0.9764
ea18 1342 1342/1342 1342 ± 0.000008521 5.595 5.378/6.598 5.691 ± 0.9815
ea19 1342 1342/1342 1342 ± 0.00003165 5.196 4.764/6.121 5.258 ± 0.8551
ea20 1342 1342/1342 1342 ± 0.00001575 5.693 5.468/6.456 5.875 ± 0.7805
ea21 1342 1342/1342 1342 ± 0.000005853 5.016 4.829/5.557 5.102 ± 0.5607
ea22 1342 1342/1342 1342 ± 0.00002683 5.417 4.989/6.254 5.412 ± 0.9064
ea23 1342 1342/1342 1342 ± 0.00004358 5.47 4.969/6.237 5.438 ± 0.8938
ea24 1342 1342/1342 1342 ± 0 5.173 5.013/6.199 5.473 ± 0.6476
ea25 1342 1342/1342 1342 ± 0.000007263 5.613 5.311/6.52 5.854 ± 0.7614
ea27 1342 1342/1342 1342 ± 0.000009238 5.083 4.653/5.975 5.155 ± 0.8177
ea28 1342 1342/1342 1342 ± 0 5.646 5.552/6.549 5.908 ± 0.7336
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 ± 0.00002437 5.162 4.878/5.329 5.129 ± 0.2747
5 1342 1342/1342 1342 ± 0.00003099 5.065 4.786/5.35 5.059 ± 0.3538
6 1342 1342/1342 1342 ± 0.00002487 5.177 4.888/5.401 5.168 ± 0.2752
7 1342 1342/1342 1342 ± 0.00002437 5.249 5.023/5.418 5.244 ± 0.2416
8 1342 1342/1342 1342 ± 0.00002437 5.179 4.965/5.365 5.181 ± 0.2702
9 1342 1342/1342 1342 ± 0.00002437 5.448 5.256/5.661 5.449 ± 0.251
10 1342 1342/1342 1342 ± 0.00002437 5.99 5.788/6.095 5.955 ± 0.2653
11 1342 1342/1342 1342 ± 0.00002437 6.25 6.128/6.462 6.246 ± 0.2774
12 1342 1342/1342 1342 ± 0.00002437 6.403 6.277/6.624 6.431 ± 0.3268
13 1342 1342/1342 1342 ± 0.00002437 6.58 6.263/6.842 6.571 ± 0.4138
14 1342 1342/1342 1342 ± 0.00004618 4.885 4.568/5.4 5.077 ± 0.6682
15 1342 1342/1342 1342 ± 0.00002437 6.415 6.09/6.702 6.387 ± 0.4084
16 1342 1342/1342 1342 ± 0.00006083 3.908 3.764/4.216 4.051 ± 0.4421
17 1342 1342/1342 1342 ± 0.00006103 3.759 3.613/4.038 3.882 ± 0.3803
datacolumn
residual_data
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-23 09:49:44.762
End
2025-07-23 11:00:19.938
Duration
1:10:35.177
Note, WebLog generation is not included in the time.

CASA logs for stage 8