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

Statwt Summary Plot

VLASS2.1.sb38447583.eb38589602.59083.73025677083_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 5.422 5.251/6.038 5.655 ± 0.6129
ea02 1342 1342/1342 1342 ± 0.00005088 4.98 4.707/5.322 4.943 ± 0.4711
ea04 1342 1342/1342 1342 ± 0.00001496 5.188 4.927/5.999 5.354 ± 0.7047
ea05 1342 1342/1342 1342 ± 0 5.271 4.96/6.22 5.486 ± 0.6995
ea06 1342 1342/1342 1342 ± 0.00001371 4.683 4.507/5.359 4.837 ± 0.5791
ea07 1342 1342/1342 1342 ± 0.00002474 5.235 4.845/5.416 5.198 ± 0.516
ea08 1342 1342/1342 1342 ± 0.00004037 5.672 5.406/6.488 5.896 ± 0.7288
ea09 1342 1342/1342 1342 ± 0.00003854 5.154 4.873/5.823 5.231 ± 0.6458
ea10 1342 1342/1342 1342 ± 0.00004117 4.928 4.653/5.743 5.106 ± 0.588
ea11 1342 1342/1342 1342 ± 0.00003869 4.998 4.711/5.529 5.067 ± 0.5057
ea12 1342 1342/1342 1342 ± 0.0000342 5.418 5.167/6.269 5.522 ± 0.7513
ea13 1342 1342/1342 1342 ± 0.00002017 5.323 5.048/5.456 5.221 ± 0.3942
ea14 1342 1342/1342 1342 ± 0.0000128 5.319 5.022/6.306 5.605 ± 0.722
ea15 1342 1342/1342 1342 ± 0.000002201 5.013 4.895/6.028 5.377 ± 0.7871
ea16 1342 1342/1342 1342 ± 0.000007991 5.519 5.244/6.428 5.742 ± 0.7741
ea17 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea18 1342 1342/1342 1342 ± 0.000036 4.736 4.465/5.315 4.779 ± 0.5105
ea19 1342 1342/1342 1342 ± 0.000003705 5.426 5.21/6.406 5.678 ± 0.7212
ea20 1342 1342/1342 1342 ± 0.00003374 5.742 5.333/6.658 5.821 ± 0.8433
ea21 1342 1342/1342 1342 ± 0 5.182 5.024/6.02 5.428 ± 0.6671
ea22 1342 1342/1342 1342 ± 0.00004094 5.17 4.907/6.005 5.33 ± 0.6661
ea23 1342 1342/1342 1342 ± 0.000007725 5.287 5.038/6.216 5.567 ± 0.7494
ea25 1342 1342/1342 1342 ± 0.00003541 4.953 4.811/5.343 5.048 ± 0.4399
ea26 1342 1342/1342 1342 ± 0.00003694 5.47 5.226/6.29 5.597 ± 0.7449
ea27 1342 1342/1342 1342 ± 0.00004143 4.86 4.606/5.506 4.908 ± 0.5943
ea28 1342 1342/1342 1342 ± 0.00003874 4.74 4.647/5.186 4.888 ± 0.3616
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 ± 0.00002522 5.235 4.971/5.36 5.171 ± 0.2794
3 1342 1342/1342 1342 ± 0.00002523 4.974 4.671/5.209 4.94 ± 0.2966
4 1342 1342/1342 1342 ± 0.00003415 5.028 4.826/5.167 4.941 ± 0.3804
5 1342 1342/1342 1342 ± 0.00002522 5.02 4.746/5.173 5.009 ± 0.2766
6 1342 1342/1342 1342 ± 0.00002522 4.959 4.806/5.178 4.961 ± 0.2569
7 1342 1342/1342 1342 ± 0.00002522 4.999 4.763/5.237 5.023 ± 0.287
8 1342 1342/1342 1342 ± 0.00002522 4.925 4.724/5.231 4.973 ± 0.2956
9 1342 1342/1342 1342 ± 0.00002522 5.229 4.976/5.455 5.216 ± 0.3192
10 1342 1342/1342 1342 ± 0.00002522 5.557 5.334/5.855 5.569 ± 0.3274
11 1342 1342/1342 1342 ± 0.00002522 5.895 5.364/6.052 5.795 ± 0.3926
12 1342 1342/1342 1342 ± 0.00002522 6.024 5.481/6.292 5.918 ± 0.4475
13 1342 1342/1342 1342 ± 0.00002522 6.422 5.795/6.71 6.252 ± 0.5189
14 1342 1342/1342 1342 ± 0.00002522 6.511 5.726/6.755 6.3 ± 0.5608
15 1342 1342/1342 1342 ± 0.00002522 6.135 5.476/6.49 6.039 ± 0.5186
16 1342 1342/1342 1342 ± 0.00006083 4.211 4.056/4.478 4.267 ± 0.2999
17 1342 1342/1342 1342 ± 0.000061 4.235 4.042/4.465 4.255 ± 0.2939
vis
VLASS2.1.sb38447583.eb38589602.59083.73025677083_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-16 08:17:08.017
End
2024-11-16 08:59:58.339
Duration
0:42:50.322
Note, WebLog generation is not included in the time.

CASA logs for stage 8