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 5.501 5.387/6.199 5.741 ± 0.5343
ea02 1342 1342/1342 1342 ± 0 6.107 5.759/6.524 6.269 ± 0.5997
ea03 1342 1342/1342 1342 ± 0 6.227 5.51/6.797 6.236 ± 0.6929
ea04 1342 1342/1342 1342 ± 0.00002735 5.642 5.334/6.217 5.76 ± 0.5537
ea05 1342 1342/1342 1342 ± 0.00002538 5.725 5.464/6.641 5.955 ± 0.6511
ea06 1342 1342/1342 1342 ± 0.000001296 5.872 5.122/6.095 5.792 ± 0.6177
ea07 1342 1342/1342 1342 ± 0 5.918 5.315/6.369 5.986 ± 0.6952
ea08 1342 1342/1342 1342 ± 0 6.263 5.802/6.941 6.45 ± 0.6517
ea09 1342 1342/1342 1342 ± 0.000006922 5.574 5.211/6.471 5.734 ± 0.6466
ea10 1342 1342/1342 1342 ± 0 5.407 5.238/6.146 5.623 ± 0.561
ea11 1342 1342/1342 1342 ± 0.00004171 5.421 5.007/6.253 5.643 ± 0.6472
ea12 1342 1342/1342 1342 ± 0.0000387 5.589 5.463/6.381 5.881 ± 0.5749
ea13 1342 1342/1342 1342 ± 0 5.914 5.713/6.55 6.103 ± 0.6551
ea14 1342 1342/1342 1342 ± 0 5.975 5.709/6.72 6.212 ± 0.5949
ea15 1342 1342/1342 1342 ± 0.00003575 5.9 5.619/6.735 6.152 ± 0.7255
ea17 1342 1342/1342 1342 ± 0 6.232 5.858/7.134 6.379 ± 0.6821
ea18 1342 1342/1342 1342 ± 0 6.47 5.94/7.18 6.512 ± 0.6932
ea19 1342 1342/1342 1342 ± 0.00003668 5.765 5.479/6.59 6.047 ± 0.6015
ea20 1342 1342/1342 1342 ± 0 5.867 5.639/6.742 6.084 ± 0.6355
ea21 1342 1342/1342 1342 ± 0 5.316 5.1/5.959 5.565 ± 0.5108
ea22 1342 1342/1342 1342 ± 0 6.346 6.059/7.03 6.551 ± 0.6481
ea23 1342 1342/1342 1342 ± 0 5.651 5.498/6.342 5.991 ± 0.6393
ea24 1342 1342/1342 1342 ± 0 5.913 5.461/6.719 6.012 ± 0.6411
ea25 1342 1342/1342 1342 ± 0 6.507 5.736/6.96 6.508 ± 0.7851
ea28 1342 1342/1342 1342 ± 0 6.019 5.787/7.101 6.363 ± 0.6556
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 ± 0.00002406 5.603 5.4/5.749 5.564 ± 0.2852
4 1342 1342/1342 1342 ± 0.00002921 5.158 4.907/5.369 5.173 ± 0.3751
5 1342 1342/1342 1342 ± 0.00002406 5.47 5.294/5.688 5.497 ± 0.2913
6 1342 1342/1342 1342 ± 0.00002406 5.454 5.242/5.71 5.453 ± 0.293
7 1342 1342/1342 1342 ± 0.00002406 5.526 5.405/5.728 5.527 ± 0.2605
8 1342 1342/1342 1342 ± 0.00002406 5.505 5.273/5.652 5.462 ± 0.28
9 1342 1342/1342 1342 ± 0.00002406 5.742 5.581/5.99 5.777 ± 0.3031
10 1342 1342/1342 1342 ± 0.00002392 6.276 6.041/6.452 6.233 ± 0.2768
11 1342 1342/1342 1342 ± 0.00002392 6.462 6.179/6.662 6.444 ± 0.3062
12 1342 1342/1342 1342 ± 0.00002392 6.591 6.341/6.8 6.593 ± 0.3436
13 1342 1342/1342 1342 ± 0.00002392 7.1 6.733/7.327 7.045 ± 0.3592
14 1342 1342/1342 1342 ± 0.00002392 7.215 6.851/7.436 7.165 ± 0.4079
15 1342 1342/1342 1342 ± 0.00002392 6.873 6.643/7.172 6.878 ± 0.3548
16 1342 1342/1342 1342 ± 0.00004798 5.846 5.616/6.297 5.924 ± 0.4196
17 1342 1342/1342 1342 ± 0.00004926 5.793 5.511/6.099 5.786 ± 0.3841
datacolumn
residual_data
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-19 05:15:38.086
End
2025-07-19 06:02:27.756
Duration
0:46:49.669
Note, WebLog generation is not included in the time.

CASA logs for stage 8