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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.52 5.232/6.265 5.457 ± 1.043
ea02 1342 1342/1342 1342 ± 0.00004103 5.496 5.294/6.46 5.54 ± 0.9992
ea03 1342 1342/1342 1342 ± 0.000003163 5.407 5.309/6.3 5.601 ± 0.7733
ea04 1342 1342/1342 1342 ± 0.00004639 5.138 4.743/6.053 5.182 ± 0.8265
ea05 1342 1342/1342 1342 ± 0.0000512 5.353 5.036/6.42 5.379 ± 1.027
ea06 1342 1342/1342 1342 ± 0.00002602 5.057 4.834/5.982 5.172 ± 0.8544
ea07 1342 1342/1342 1342 ± 0.00004184 5.227 5.026/6.321 5.37 ± 1.001
ea08 1342 1342/1342 1342 ± 0.00002575 5.723 5.252/6.793 5.747 ± 1.108
ea09 1342 1342/1342 1342 ± 0.0000473 5.146 4.797/5.966 5.146 ± 0.8942
ea10 1342 1342/1342 1342 ± 0.00004642 5.051 4.676/5.963 5.001 ± 0.9111
ea11 1342 1342/1342 1342 ± 0.00005254 5.278 4.513/6.084 5.069 ± 1.029
ea13 1342 1342/1342 1342 ± 0.00001606 5.287 5.037/6.047 5.347 ± 0.6441
ea14 1342 1342/1342 1342 ± 0.00004922 5.516 5.196/6.475 5.521 ± 1.054
ea15 1342 1342/1342 1342 ± 0.00005048 5.545 5.099/6.627 5.547 ± 1.054
ea16 1342 1342/1342 1342 ± 0.0000241 5.738 5.341/6.574 5.706 ± 0.9898
ea17 1342 1342/1342 1342 ± 0.0000428 5.762 5.3/6.649 5.687 ± 1.132
ea18 1342 1342/1342 1342 ± 0.0000176 5.689 5.471/6.822 5.802 ± 1.091
ea19 1342 1342/1342 1342 ± 0.00004091 5.367 4.967/6.418 5.398 ± 1.013
ea20 1342 1342/1342 1342 ± 0.00003183 5.253 5.123/6.086 5.385 ± 0.754
ea21 1342 1342/1342 1342 ± 0.000004928 5.094 4.879/5.688 5.128 ± 0.6334
ea22 1342 1342/1342 1342 ± 0.00003536 5.647 5.174/6.539 5.591 ± 1.031
ea23 1342 1342/1342 1342 ± 0.00004739 5.57 5.122/6.425 5.495 ± 1.047
ea24 1342 1342/1342 1342 ± 0.000008841 4.946 4.831/5.913 5.297 ± 0.6983
ea25 1342 1342/1342 1342 ± 0.0000142 5.722 5.381/6.663 5.931 ± 0.8752
ea27 1342 1342/1342 1342 ± 0.00001843 5.26 4.774/6.283 5.344 ± 0.9628
ea28 1342 1342/1342 1342 ± 0.000003163 5.525 5.478/6.479 5.747 ± 0.78
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 ± 0.00002353 5.255 5.027/5.36 5.195 ± 0.2598
5 1342 1342/1342 1342 ± 0.00003405 5.169 4.936/5.39 5.186 ± 0.3515
6 1342 1342/1342 1342 ± 0.00002353 5.26 5.051/5.484 5.247 ± 0.2716
7 1342 1342/1342 1342 ± 0.00002353 5.309 5.139/5.499 5.285 ± 0.2575
8 1342 1342/1342 1342 ± 0.00002353 5.307 5.107/5.522 5.295 ± 0.2858
9 1342 1342/1342 1342 ± 0.00002353 5.483 5.299/5.791 5.508 ± 0.3159
10 1342 1342/1342 1342 ± 0.00002393 6.086 5.986/6.296 6.106 ± 0.2815
11 1342 1342/1342 1342 ± 0.00002349 6.427 6.118/6.574 6.383 ± 0.2662
12 1342 1342/1342 1342 ± 0.00002349 6.58 6.354/6.79 6.546 ± 0.3167
13 1342 1342/1342 1342 ± 0.00002374 6.571 6.249/6.833 6.57 ± 0.3939
14 1342 1342/1342 1342 ± 0.00005517 4.735 4.387/5.306 4.894 ± 0.6467
15 1342 1342/1342 1342 ± 0.00002349 6.641 6.107/6.941 6.536 ± 0.5101
16 1342 1342/1342 1342 ± 0.00006037 3.689 3.546/4.03 3.817 ± 0.4096
17 1342 1342/1342 1342 ± 0.00006033 3.599 3.401/3.916 3.672 ± 0.3793
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
output_dir
 
Start time
2025-07-19 17:15:03.007
End
2025-07-19 18:16:16.582
Duration
1:01:13.574
Note, WebLog generation is not included in the time.

CASA logs for stage 8