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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.526 5.368/6.294 5.892 ± 0.5849
ea02 1342 1342/1342 1342 ± 0.00004702 6.074 5.722/6.789 6.237 ± 0.6851
ea03 1342 1342/1342 1342 ± 0 5.555 4.936/6.103 5.561 ± 0.6231
ea04 1342 1342/1342 1342 ± 0.000004717 5.629 5.327/6.176 5.77 ± 0.5452
ea05 1342 1342/1342 1342 ± 0 5.891 5.484/6.639 6.036 ± 0.6237
ea06 1342 1342/1342 1342 ± 0 5.058 4.8/5.553 5.175 ± 0.4415
ea07 1342 1342/1342 1342 ± 0.000007176 5.957 5.593/6.382 6.09 ± 0.6943
ea08 1342 1342/1342 1342 ± 0.00003494 5.998 5.669/6.895 6.285 ± 0.7171
ea09 1342 1342/1342 1342 ± 0.00001061 5.891 5.432/6.631 6.018 ± 0.6196
ea10 1342 1342/1342 1342 ± 0.00002722 5.829 5.471/6.893 6.108 ± 0.7519
ea11 1342 1342/1342 1342 ± 0.000002825 5.727 5.39/6.631 6.009 ± 0.751
ea12 1342 1342/1342 1342 ± 0 5.665 5.468/6.517 6.018 ± 0.6743
ea13 1342 1342/1342 1342 ± 0 6.407 5.837/6.527 6.306 ± 0.5394
ea15 1342 1342/1342 1342 ± 0.000001262 5.835 5.615/6.678 6.196 ± 0.6686
ea16 1342 1342/1342 1342 ± 0.00001433 6.204 5.849/6.918 6.391 ± 0.7642
ea17 1342 1342/1342 1342 ± 0.000008999 6.203 5.828/7.234 6.473 ± 0.7633
ea18 1342 1342/1342 1342 ± 0 4.867 4.78/5.623 5.14 ± 0.4962
ea19 1342 1342/1342 1342 ± 0 5.988 5.558/6.735 6.166 ± 0.6105
ea20 1342 1342/1342 1342 ± 0 5.719 5.518/6.612 6.073 ± 0.6425
ea21 1342 1342/1342 1342 ± 0 5.859 5.609/6.587 6.077 ± 0.6257
ea22 1342 1342/1342 1342 ± 0.00003245 5.71 5.356/6.229 5.774 ± 0.5962
ea23 1342 1342/1342 1342 ± 0 5.853 5.467/6.681 6.125 ± 0.7769
ea24 1342 1342/1342 1342 ± 0.00003894 5.835 5.593/6.772 6.127 ± 0.6637
ea25 1342 1342/1342 1342 ± 0.000001786 5.68 5.274/6.432 5.865 ± 0.6658
ea26 1342 1342/1342 1342 ± 0 6.465 5.976/7.195 6.543 ± 0.6917
ea27 1342 1342/1342 1342 ± 0.00002496 5.605 5.271/6.495 5.888 ± 0.6532
ea28 1342 1342/1342 1342 ± 0.00002638 5.482 5.378/6.4 5.879 ± 0.6045
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 ± 0.0000232 5.393 5.184/5.543 5.347 ± 0.272
4 1342 1342/1342 1342 ± 0.00005305 4.176 3.924/4.315 4.115 ± 0.2574
5 1342 1342/1342 1342 ± 0.00002341 5.73 5.433/5.883 5.644 ± 0.3816
6 1342 1342/1342 1342 ± 0.00002318 5.515 5.341/5.697 5.462 ± 0.3079
7 1342 1342/1342 1342 ± 0.00002318 5.537 5.398/5.659 5.496 ± 0.2938
8 1342 1342/1342 1342 ± 0.00002318 5.496 5.273/5.615 5.439 ± 0.3285
9 1342 1342/1342 1342 ± 0.00002318 5.69 5.37/5.9 5.653 ± 0.3695
10 1342 1342/1342 1342 ± 0.00002318 6.204 5.989/6.416 6.169 ± 0.353
11 1342 1342/1342 1342 ± 0.00002318 6.487 6.296/6.63 6.407 ± 0.3559
12 1342 1342/1342 1342 ± 0.00002318 6.604 6.387/6.749 6.553 ± 0.3908
13 1342 1342/1342 1342 ± 0.00002318 7.06 6.845/7.18 7 ± 0.4147
14 1342 1342/1342 1342 ± 0.00002318 7.215 6.976/7.483 7.172 ± 0.4499
15 1342 1342/1342 1342 ± 0.00002318 6.722 6.468/7.024 6.693 ± 0.4575
16 1342 1342/1342 1342 ± 0.00004795 5.502 5.208/5.775 5.487 ± 0.4162
17 1342 1342/1342 1342 ± 0.00004012 5.692 5.395/6.056 5.696 ± 0.4376
overwrite_modelcol
False
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-11 11:52:20.936
End
2025-01-11 12:52:20.710
Duration
0:59:59.774
Note, WebLog generation is not included in the time.

CASA logs for stage 8