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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.377 5.248/6.212 5.646 ± 0.7575
ea02 1342 1342/1342 1342 ± 0.0000415 5.79 5.315/6.65 5.958 ± 0.9075
ea05 1342 1342/1342 1342 ± 0.00003028 5.49 5.074/6.542 5.691 ± 0.8894
ea06 1342 1342/1342 1342 ± 0.000007361 4.886 4.773/5.432 4.989 ± 0.6249
ea07 1342 1342/1342 1342 ± 0.00003703 5.8 5.426/6.025 5.633 ± 0.8253
ea08 1342 1342/1342 1342 ± 0.00003705 6.078 5.672/6.923 6.232 ± 0.9578
ea09 1342 1342/1342 1342 ± 0.00002496 4.102 3.378/5.764 4.562 ± 1.164
ea10 1342 1342/1342 1342 ± 0.00003481 5.432 5.108/6.431 5.628 ± 0.8608
ea11 1342 1342/1342 1342 ± 0 5.788 5.506/6.581 6.068 ± 0.6458
ea12 1342 1342/1342 1342 ± 0.00001125 5.655 5.3/6.523 5.767 ± 0.9873
ea13 1342 1342/1342 1342 ± 0.00001929 5.889 5.627/6.356 5.898 ± 0.8424
ea14 1342 1342/1342 1342 ± 0.00003789 6.642 6.12/7.079 6.146 ± 1.099
ea15 1342 1342/1342 1342 ± 0.000006919 5.319 5.174/6.206 5.569 ± 0.8901
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.000038 6.181 5.521/7.063 6.077 ± 0.9723
ea18 1342 1342/1342 1342 ± 0.00003601 4.988 4.833/5.784 5.126 ± 0.7127
ea19 1342 1342/1342 1342 ± 0.00002724 5.797 5.532/6.712 5.945 ± 0.8732
ea20 1342 1342/1342 1342 ± 0.00002023 5.996 5.722/7.032 6.061 ± 1.121
ea21 1342 1342/1342 1342 ± 0.00003087 5.539 5.343/6.323 5.697 ± 0.8691
ea22 1342 1342/1342 1342 ± 0.0000382 5.468 5.034/6.532 5.656 ± 0.9359
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.371 5.344/5.427 5.374 ± 0.1152
ea26 1342 1342/1342 1342 ± 0.00002716 5.642 5.549/6.587 5.828 ± 0.9074
ea27 1342 1342/1342 1342 ± 0.00003712 5.553 5.37/6.537 5.779 ± 0.8175
ea28 1342 1342/1342 1342 ± 0.00003631 6.631 6.466/7.016 6.478 ± 0.8056
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 ± 0.00002631 5.394 5.179/5.665 5.335 ± 0.4968
5 1342 1342/1342 1342 ± 0.00002776 5.468 5.306/5.665 5.37 ± 0.5521
6 1342 1342/1342 1342 ± 0.00002631 5.462 5.282/5.585 5.34 ± 0.524
7 1342 1342/1342 1342 ± 0.00002631 5.326 5.128/5.537 5.25 ± 0.5001
8 1342 1342/1342 1342 ± 0.00002631 5.327 5.052/5.488 5.187 ± 0.5121
9 1342 1342/1342 1342 ± 0.00002856 5.55 5.419/5.765 5.416 ± 0.62
10 1342 1342/1342 1342 ± 0.00002571 6.079 5.869/6.2 6.019 ± 0.3526
11 1342 1342/1342 1342 ± 0.00002571 6.379 6.18/6.487 6.273 ± 0.3696
12 1342 1342/1342 1342 ± 0.00002571 6.531 6.207/6.646 6.439 ± 0.3775
13 1342 1342/1342 1342 ± 0.00002571 6.857 6.624/7.048 6.779 ± 0.3695
14 1342 1342/1342 1342 ± 0.00002571 6.967 6.682/7.206 6.885 ± 0.4462
15 1342 1342/1342 1342 ± 0.00002632 6.687 6.499/6.873 6.613 ± 0.477
16 1342 1342/1342 1342 ± 0.0000599 4.001 3.89/4.115 4.003 ± 0.1625
17 1342 1342/1342 1342 ± 0.00006042 4.098 3.956/4.292 4.132 ± 0.2381
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-01-25 03:42:18.896
End
2025-01-25 04:02:28.301
Duration
0:20:09.404
Note, WebLog generation is not included in the time.

CASA logs for stage 8