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 5.993 5.471/6.318 5.945 ± 0.6163
ea02 1342 1342/1342 1342 ± 0 6.268 5.644/6.418 6.182 ± 0.6355
ea03 1342 1342/1342 1342 ± 0.000001105 6.119 5.448/6.718 6.119 ± 0.7218
ea04 1342 1342/1342 1342 ± 0.00001159 5.7 5.137/6.116 5.707 ± 0.5789
ea05 1342 1342/1342 1342 ± 0.00000677 5.778 5.348/6.57 5.927 ± 0.6687
ea06 1342 1342/1342 1342 ± 0.000001562 6.035 5.1/6.134 5.752 ± 0.7039
ea07 1342 1342/1342 1342 ± 0.000004416 6.029 5.161/6.245 5.883 ± 0.7021
ea08 1342 1342/1342 1342 ± 0 6.366 5.593/6.715 6.261 ± 0.6795
ea09 1342 1342/1342 1342 ± 0.000008883 5.683 5.132/6.399 5.781 ± 0.7674
ea10 1342 1342/1342 1342 ± 0.000007568 5.505 5.207/6.108 5.608 ± 0.5856
ea11 1342 1342/1342 1342 ± 0.00001974 5.358 5.151/6.214 5.635 ± 0.6399
ea12 1342 1342/1342 1342 ± 0.00002 5.522 5.361/6.335 5.763 ± 0.6207
ea13 1342 1342/1342 1342 ± 0.00000247 6.103 5.544/6.298 5.919 ± 0.7664
ea14 1342 1342/1342 1342 ± 0.000006338 6.052 5.698/6.654 6.179 ± 0.613
ea15 1342 1342/1342 1342 ± 0.00001237 5.121 4.613/5.381 5.058 ± 0.4879
ea16 1342 1342/1342 1342 ± 0 6.217 5.691/6.705 6.254 ± 0.7286
ea17 1342 1342/1342 1342 ± 0.000004936 6.222 5.704/7.028 6.272 ± 0.7036
ea18 1342 1342/1342 1342 ± 0.000001105 6.464 5.829/7.109 6.416 ± 0.7045
ea19 1342 1342/1342 1342 ± 0.000001913 5.954 5.505/6.675 6.052 ± 0.6499
ea20 1342 1342/1342 1342 ± 0.000001578 6.263 5.501/6.653 6.122 ± 0.6445
ea21 1342 1342/1342 1342 ± 0.000002209 5.524 5.135/5.946 5.577 ± 0.5244
ea22 1342 1342/1342 1342 ± 0.000001913 6.361 5.721/6.888 6.288 ± 0.6993
ea23 1342 1342/1342 1342 ± 0.00001267 5.952 5.517/6.384 6.034 ± 0.6674
ea24 1342 1342/1342 1342 ± 0 6.18 5.355/6.491 5.983 ± 0.5969
ea25 1342 1342/1342 1342 ± 0 6.491 5.672/6.914 6.47 ± 0.7937
ea27 1342 1342/1342 1342 ± 0 5.814 5.395/6.468 5.915 ± 0.5944
ea28 1342 1342/1342 1342 ± 0.000001913 6.37 5.717/6.952 6.406 ± 0.6687
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 ± 0.00002314 5.525 5.329/5.675 5.517 ± 0.2745
3 1342 1342/1342 1342 ± 0.00003294 4.923 4.724/5.113 4.892 ± 0.3636
5 1342 1342/1342 1342 ± 0.00002314 5.369 5.13/5.583 5.364 ± 0.3433
6 1342 1342/1342 1342 ± 0.00002314 5.364 5.202/5.624 5.379 ± 0.3117
7 1342 1342/1342 1342 ± 0.00002314 5.505 5.314/5.684 5.438 ± 0.2756
8 1342 1342/1342 1342 ± 0.00002314 5.418 5.155/5.564 5.369 ± 0.2967
9 1342 1342/1342 1342 ± 0.00002314 5.694 5.525/5.908 5.678 ± 0.3175
10 1342 1342/1342 1342 ± 0.00002314 6.176 6.005/6.307 6.119 ± 0.2988
11 1342 1342/1342 1342 ± 0.00002314 6.36 6.119/6.559 6.321 ± 0.3092
12 1342 1342/1342 1342 ± 0.00002314 6.47 6.252/6.705 6.478 ± 0.3671
13 1342 1342/1342 1342 ± 0.00002314 7.061 6.658/7.158 6.93 ± 0.3765
14 1342 1342/1342 1342 ± 0.00002314 7.185 6.913/7.432 7.13 ± 0.4034
15 1342 1342/1342 1342 ± 0.00002314 6.871 6.581/7.155 6.803 ± 0.4042
16 1342 1342/1342 1342 ± 0.00002747 6.137 5.803/6.447 6.136 ± 0.4273
17 1342 1342/1342 1342 ± 0.00002503 6.25 5.945/6.356 6.109 ± 0.423
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-18 04:50:21.187
End
2025-07-18 06:10:17.905
Duration
1:19:56.718
Note, WebLog generation is not included in the time.

CASA logs for stage 8