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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.795 4.721/5.373 5.008 ± 0.3794
ea02 1342 1342/1342 1342 ± 0 5.932 5.679/6.396 6.156 ± 0.559
ea03 1342 1342/1342 1342 ± 0.00000648 5.935 5.429/6.55 6.019 ± 0.598
ea04 1342 1342/1342 1342 ± 0.000001298 5.491 5.217/6.016 5.584 ± 0.4816
ea05 1342 1342/1342 1342 ± 0.000003178 5.594 5.317/6.414 5.843 ± 0.5705
ea06 1342 1342/1342 1342 ± 0 5.578 5.136/6.022 5.71 ± 0.5754
ea07 1342 1342/1342 1342 ± 0 5.607 5.281/6.185 5.84 ± 0.6381
ea08 1342 1342/1342 1342 ± 0 6.071 5.775/6.716 6.279 ± 0.5851
ea09 1342 1342/1342 1342 ± 0 5.59 5.147/6.325 5.712 ± 0.5649
ea10 1342 1342/1342 1342 ± 0 5.322 5.046/5.977 5.505 ± 0.5258
ea11 1342 1342/1342 1342 ± 0.00003327 5.45 4.845/6.084 5.509 ± 0.6013
ea12 1342 1342/1342 1342 ± 0.00002283 5.405 5.291/6.146 5.654 ± 0.5113
ea13 1342 1342/1342 1342 ± 0 5.894 5.629/6.357 6.01 ± 0.5838
ea14 1342 1342/1342 1342 ± 0.000001298 5.935 5.578/6.481 6.061 ± 0.5226
ea15 1342 1342/1342 1342 ± 0.00001651 5.844 5.58/6.614 6.126 ± 0.6438
ea17 1342 1342/1342 1342 ± 0 5.876 5.729/6.883 6.166 ± 0.652
ea18 1342 1342/1342 1342 ± 0 6.167 5.9/6.906 6.4 ± 0.5835
ea19 1342 1342/1342 1342 ± 0.00002191 5.612 5.361/6.425 5.869 ± 0.5445
ea20 1342 1342/1342 1342 ± 0 5.873 5.623/6.605 6.1 ± 0.5263
ea21 1342 1342/1342 1342 ± 0.00000829 5.221 5.079/5.789 5.474 ± 0.4656
ea22 1342 1342/1342 1342 ± 0 5.984 5.83/6.78 6.223 ± 0.5902
ea23 1342 1342/1342 1342 ± 0 5.635 5.365/6.227 5.837 ± 0.6057
ea24 1342 1342/1342 1342 ± 0 5.92 5.368/6.481 5.93 ± 0.5495
ea25 1342 1342/1342 1342 ± 0.000004852 6.303 5.626/6.732 6.344 ± 0.7201
ea28 1342 1342/1342 1342 ± 0 6.176 5.791/6.934 6.36 ± 0.6091
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 ± 0.00002395 5.487 5.324/5.659 5.481 ± 0.305
5 1342 1342/1342 1342 ± 0.00002395 5.373 5.17/5.645 5.408 ± 0.32
6 1342 1342/1342 1342 ± 0.00002395 5.308 5.01/5.548 5.287 ± 0.3322
7 1342 1342/1342 1342 ± 0.00002395 5.398 5.222/5.627 5.41 ± 0.2814
8 1342 1342/1342 1342 ± 0.00002395 5.322 5.157/5.583 5.342 ± 0.3078
9 1342 1342/1342 1342 ± 0.00002395 5.612 5.499/5.885 5.631 ± 0.3339
10 1342 1342/1342 1342 ± 0.00002395 6.081 5.928/6.269 6.031 ± 0.3183
11 1342 1342/1342 1342 ± 0.00002395 6.3 6.031/6.45 6.234 ± 0.3565
12 1342 1342/1342 1342 ± 0.00002395 6.425 6.141/6.609 6.381 ± 0.3732
13 1342 1342/1342 1342 ± 0.00002395 6.914 6.472/7.071 6.816 ± 0.4107
14 1342 1342/1342 1342 ± 0.00002395 6.946 6.525/7.247 6.852 ± 0.4804
15 1342 1342/1342 1342 ± 0.00002395 6.653 6.37/6.956 6.621 ± 0.3959
16 1342 1342/1342 1342 ± 0.00003652 5.613 5.314/5.937 5.623 ± 0.4561
17 1342 1342/1342 1342 ± 0.00003335 5.627 5.421/5.918 5.602 ± 0.4059
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-19 02:42:34.064
End
2025-07-19 03:32:25.079
Duration
0:49:51.015
Note, WebLog generation is not included in the time.

CASA logs for stage 8