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

Statwt Summary Plot

VLASS2.1.sb38519843.eb38632934.59097.18672790509_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 5.828 5.351/6.097 5.793 ± 0.5068
ea02 1342 1342/1342 1342 ± 0 5.877 5.48/6.65 6.082 ± 0.6516
ea04 1342 1342/1342 1342 ± 0 5.607 5.172/6.26 5.728 ± 0.5759
ea05 1342 1342/1342 1342 ± 0 5.948 5.343/6.449 5.864 ± 0.6012
ea06 1342 1342/1342 1342 ± 0 5.051 4.788/5.358 5.088 ± 0.3523
ea07 1342 1342/1342 1342 ± 0 6.207 5.508/6.355 6.086 ± 0.6122
ea08 1342 1342/1342 1342 ± 0.000007406 6.004 5.655/6.787 6.273 ± 0.6648
ea09 1342 1342/1342 1342 ± 0 5.668 5.269/6.537 5.837 ± 0.653
ea10 1342 1342/1342 1342 ± 0 6.177 5.386/6.729 6.093 ± 0.6563
ea11 1342 1342/1342 1342 ± 0 6.005 5.242/6.443 5.961 ± 0.6853
ea12 1342 1342/1342 1342 ± 0 6.017 5.428/6.503 6.069 ± 0.6655
ea13 1342 1342/1342 1342 ± 0 6.117 5.93/6.477 6.29 ± 0.4906
ea14 1342 1342/1342 1342 ± 0 5.986 5.328/6.496 5.951 ± 0.6666
ea15 1342 1342/1342 1342 ± 0 5.758 5.165/6.351 5.849 ± 0.6925
ea16 1342 1342/1342 1342 ± 0 6.245 5.734/6.806 6.353 ± 0.7132
ea17 1342 1342/1342 1342 ± 0.00002276 6.045 5.611/6.843 6.177 ± 0.6399
ea18 1342 1342/1342 1342 ± 0 5.163 4.795/5.63 5.238 ± 0.5022
ea19 1342 1342/1342 1342 ± 0 6.019 5.631/6.592 6.199 ± 0.6473
ea20 1342 1342/1342 1342 ± 0 6.349 5.757/6.966 6.332 ± 0.6477
ea21 1342 1342/1342 1342 ± 0 5.957 5.429/6.361 5.919 ± 0.5862
ea22 1342 1342/1342 1342 ± 0 5.464 5.272/6.438 5.802 ± 0.6587
ea23 1342 1342/1342 1342 ± 0 6.256 5.56/6.626 6.227 ± 0.695
ea25 1342 1342/1342 1342 ± 0 5.686 5.282/6.257 5.799 ± 0.5803
ea26 1342 1342/1342 1342 ± 0 5.977 5.838/7.02 6.31 ± 0.6568
ea27 1342 1342/1342 1342 ± 0.00001082 5.834 5.469/6.53 5.953 ± 0.5776
ea28 1342 1342/1342 1342 ± 0.00003661 5.762 5.509/6.558 6.082 ± 0.626
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 ± 0.00002348 5.443 5.225/5.698 5.449 ± 0.2636
4 1342 1342/1342 1342 ± 0.00002653 5.215 5.04/5.445 5.23 ± 0.3427
5 1342 1342/1342 1342 ± 0.00002348 5.443 5.207/5.603 5.435 ± 0.3212
6 1342 1342/1342 1342 ± 0.00002348 5.368 5.144/5.526 5.347 ± 0.2949
7 1342 1342/1342 1342 ± 0.00002348 5.41 5.243/5.603 5.409 ± 0.2719
8 1342 1342/1342 1342 ± 0.00002348 5.421 5.186/5.578 5.366 ± 0.2874
9 1342 1342/1342 1342 ± 0.00002348 5.66 5.465/5.923 5.643 ± 0.3364
10 1342 1342/1342 1342 ± 0.00002348 6.111 5.948/6.264 6.067 ± 0.3249
11 1342 1342/1342 1342 ± 0.00002348 6.335 6.199/6.476 6.282 ± 0.3358
12 1342 1342/1342 1342 ± 0.00002367 6.466 6.267/6.636 6.429 ± 0.3673
13 1342 1342/1342 1342 ± 0.00002348 6.944 6.815/7.148 6.909 ± 0.3867
14 1342 1342/1342 1342 ± 0.00002348 7.203 6.949/7.399 7.109 ± 0.4313
15 1342 1342/1342 1342 ± 0.00002348 6.777 6.581/7.013 6.705 ± 0.4091
16 1342 1342/1342 1342 ± 0.00003244 6.075 5.688/6.294 6.021 ± 0.4191
17 1342 1342/1342 1342 ± 0.00003311 6.082 5.707/6.355 6.033 ± 0.4008
vis
VLASS2.1.sb38519843.eb38632934.59097.18672790509_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-02-19 22:41:56.613
End
2025-02-19 23:09:57.309
Duration
0:28:00.696
Note, WebLog generation is not included in the time.

CASA logs for stage 8