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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.219 5.067/6.094 5.497 ± 0.7587
ea02 1342 1342/1342 1342 ± 0.00004126 5.681 5.074/6.627 5.857 ± 0.9275
ea04 1342 1342/1342 1342 ± 0.00001198 5.214 4.97/5.962 5.376 ± 0.7154
ea05 1342 1342/1342 1342 ± 0.00002252 5.583 4.909/6.334 5.61 ± 0.8302
ea06 1342 1342/1342 1342 ± 0.00002091 4.819 4.567/5.377 4.934 ± 0.5525
ea07 1342 1342/1342 1342 ± 0 6.183 5.641/6.799 6.193 ± 0.6733
ea08 1342 1342/1342 1342 ± 0.00004102 5.706 5.294/6.81 6.009 ± 1.035
ea09 1342 1342/1342 1342 ± 0.00002906 5.478 5.121/6.435 5.674 ± 0.7834
ea10 1342 1342/1342 1342 ± 0.00003109 5.65 5.212/6.7 5.898 ± 0.8344
ea11 1342 1342/1342 1342 ± 0.00003648 5.36 5.025/6.438 5.733 ± 0.9313
ea12 1342 1342/1342 1342 ± 0.00003121 5.776 5.265/6.414 5.804 ± 0.8813
ea13 1342 1342/1342 1342 ± 0.0000166 6.1 5.311/6.372 5.893 ± 0.7886
ea14 1342 1342/1342 1342 ± 0.00003102 5.495 5.195/6.378 5.754 ± 0.8377
ea15 1342 1342/1342 1342 ± 0.000008075 5.15 4.924/6.185 5.49 ± 0.9036
ea16 1342 1342/1342 1342 ± 0.00002598 5.588 5.293/6.748 5.957 ± 1.012
ea17 1342 1342/1342 1342 ± 0.00003953 5.648 5.289/6.97 5.929 ± 0.962
ea18 1342 1342/1342 1342 ± 0.00003867 5.083 4.526/5.776 5.045 ± 0.7146
ea19 1342 1342/1342 1342 ± 0.00002099 5.793 5.481/7.018 6.164 ± 1.047
ea20 1342 1342/1342 1342 ± 0.0000349 5.733 5.376/6.936 6 ± 0.9892
ea21 1342 1342/1342 1342 ± 0.00003054 5.979 5.244/6.465 5.705 ± 0.8728
ea22 1342 1342/1342 1342 ± 0.00003904 5.957 4.979/6.419 5.636 ± 0.8802
ea23 1342 1342/1342 1342 ± 0 6.159 5.261/7.002 6.106 ± 0.8234
ea25 1342 1342/1342 1342 ± 0.00003154 5.98 5.031/6.431 5.658 ± 0.8285
ea26 1342 1342/1342 1342 ± 0.00002922 5.781 5.648/6.955 6.101 ± 0.9268
ea27 1342 1342/1342 1342 ± 0.00003169 5.357 5.001/6.513 5.656 ± 0.8382
ea28 1342 1342/1342 1342 ± 0.00003995 5.387 5.223/6.535 5.731 ± 0.9292
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 ± 0.000026 5.219 4.998/5.377 5.221 ± 0.2756
5 1342 1342/1342 1342 ± 0.00003186 5.318 5.185/5.611 5.333 ± 0.3246
6 1342 1342/1342 1342 ± 0.00002348 5.242 5.024/5.411 5.218 ± 0.295
7 1342 1342/1342 1342 ± 0.0000249 5.192 5.039/5.393 5.167 ± 0.2824
8 1342 1342/1342 1342 ± 0.00002392 5.159 4.947/5.293 5.139 ± 0.2892
9 1342 1342/1342 1342 ± 0.00002377 5.342 5.149/5.603 5.33 ± 0.31
10 1342 1342/1342 1342 ± 0.00002348 6.004 5.896/6.184 5.999 ± 0.3238
11 1342 1342/1342 1342 ± 0.00002348 6.36 6.153/6.413 6.265 ± 0.3563
12 1342 1342/1342 1342 ± 0.00002348 6.454 6.298/6.678 6.473 ± 0.4546
13 1342 1342/1342 1342 ± 0.00002348 6.866 6.728/7.035 6.817 ± 0.3841
14 1342 1342/1342 1342 ± 0.00002348 7.044 6.863/7.276 7.003 ± 0.4262
15 1342 1342/1342 1342 ± 0.00002407 6.723 6.472/6.921 6.629 ± 0.4396
16 1342 1342/1342 1342 ± 0.00005909 4.196 4.034/4.343 4.184 ± 0.2058
17 1342 1342/1342 1342 ± 0.00005972 4.237 4.073/4.392 4.235 ± 0.2296
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-29 08:35:46.868
End
2025-01-29 09:04:23.871
Duration
0:28:37.003
Note, WebLog generation is not included in the time.

CASA logs for stage 8