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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.466 5.063/6.203 5.526 ± 0.9206
ea02 1342 1342/1342 1342 ± 0.00002161 5.629 5.196/6.332 5.561 ± 0.9628
ea03 1342 1342/1342 1342 ± 0.000001233 5.256 5.149/6.61 5.689 ± 0.863
ea04 1342 1342/1342 1342 ± 0.00004764 5.098 4.892/5.967 5.199 ± 0.7209
ea05 1342 1342/1342 1342 ± 0.0000489 5.26 4.995/6.25 5.435 ± 0.824
ea06 1342 1342/1342 1342 ± 0.00002248 4.892 4.715/5.874 5.212 ± 0.7872
ea07 1342 1342/1342 1342 ± 0.00002217 5.068 4.906/6.183 5.33 ± 0.9763
ea08 1342 1342/1342 1342 ± 0 5.752 5.296/6.652 5.866 ± 0.8657
ea09 1342 1342/1342 1342 ± 0.00004682 4.999 4.755/5.917 5.149 ± 0.7119
ea10 1342 1342/1342 1342 ± 0.00004688 4.915 4.095/5.874 4.958 ± 0.8595
ea11 1342 1342/1342 1342 ± 0.00005157 5.129 4.44/6.215 5.163 ± 0.934
ea12 1342 1342/1342 1342 ± 0.00004437 5.08 4.922/5.814 5.203 ± 0.7343
ea14 1342 1342/1342 1342 ± 0.00004818 5.428 5.202/6.325 5.487 ± 0.8201
ea15 1342 1342/1342 1342 ± 0.00005188 5.228 4.763/6.394 5.407 ± 0.9597
ea16 1342 1342/1342 1342 ± 0.00002005 5.719 5.187/6.579 5.804 ± 0.836
ea17 1342 1342/1342 1342 ± 0.0000216 5.468 5.187/6.385 5.636 ± 0.9657
ea18 1342 1342/1342 1342 ± 0 5.71 5.383/6.768 5.957 ± 0.8284
ea19 1342 1342/1342 1342 ± 0.00004243 5.411 5.138/6.206 5.506 ± 0.7829
ea21 1342 1342/1342 1342 ± 0.000002109 4.903 4.64/5.794 5.156 ± 0.7145
ea22 1342 1342/1342 1342 ± 0.00001887 5.549 4.977/6.318 5.548 ± 0.8711
ea23 1342 1342/1342 1342 ± 0.00004638 5.453 5.106/6.27 5.538 ± 0.8776
ea24 1342 1342/1342 1342 ± 0.000008242 5.171 4.973/6.142 5.473 ± 0.7459
ea25 1342 1342/1342 1342 ± 0.000009788 5.425 5.291/6.805 5.965 ± 1.018
ea27 1342 1342/1342 1342 ± 0.000008898 5.233 4.923/6.297 5.473 ± 0.7515
ea28 1342 1342/1342 1342 ± 0.000005228 5.613 5.532/6.702 5.885 ± 0.8076
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 ± 0.00002392 5.047 4.926/5.139 5.006 ± 0.2864
4 1342 1342/1342 1342 ± 0.00005986 3.479 3.388/3.686 3.533 ± 0.2097
5 1342 1342/1342 1342 ± 0.00002442 5.083 4.817/5.36 5.087 ± 0.3466
6 1342 1342/1342 1342 ± 0.00002392 5.17 4.922/5.427 5.156 ± 0.2751
7 1342 1342/1342 1342 ± 0.00002392 5.224 5.033/5.335 5.184 ± 0.2357
8 1342 1342/1342 1342 ± 0.00002392 5.133 4.971/5.263 5.127 ± 0.2588
9 1342 1342/1342 1342 ± 0.00002392 5.461 5.346/5.675 5.461 ± 0.2732
10 1342 1342/1342 1342 ± 0.00002392 5.995 5.836/6.144 5.973 ± 0.2661
11 1342 1342/1342 1342 ± 0.00002392 6.297 6.181/6.382 6.255 ± 0.268
12 1342 1342/1342 1342 ± 0.00002392 6.397 6.218/6.583 6.411 ± 0.3092
13 1342 1342/1342 1342 ± 0.00002392 6.682 6.312/7.057 6.689 ± 0.3702
14 1342 1342/1342 1342 ± 0.00005312 5.908 5.506/6.297 5.976 ± 0.6452
15 1342 1342/1342 1342 ± 0.00002392 6.61 6.234/6.927 6.6 ± 0.3929
16 1342 1342/1342 1342 ± 0.00006094 4.115 3.876/4.545 4.215 ± 0.4206
17 1342 1342/1342 1342 ± 0.0000609 4.167 3.996/4.506 4.258 ± 0.3534
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-22 14:34:30.504
End
2025-07-22 15:26:23.127
Duration
0:51:52.623
Note, WebLog generation is not included in the time.

CASA logs for stage 8