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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.695 5.353/6.2 5.813 ± 0.5592
ea02 1342 1342/1342 1342 ± 0.000005154 5.831 5.498/6.53 6.036 ± 0.6524
ea03 1342 1342/1342 1342 ± 0 5.436 4.779/6.012 5.463 ± 0.6531
ea04 1342 1342/1342 1342 ± 0 5.559 5.201/6.125 5.708 ± 0.5684
ea05 1342 1342/1342 1342 ± 0 5.871 5.381/6.363 5.933 ± 0.5989
ea06 1342 1342/1342 1342 ± 0 5.276 4.979/5.743 5.367 ± 0.4525
ea07 1342 1342/1342 1342 ± 0 6.054 5.534/6.287 6.043 ± 0.5694
ea08 1342 1342/1342 1342 ± 0.0000157 5.946 5.675/6.789 6.245 ± 0.6887
ea09 1342 1342/1342 1342 ± 0 5.816 5.281/6.403 5.887 ± 0.638
ea10 1342 1342/1342 1342 ± 0.000006425 6.017 5.352/6.628 6.011 ± 0.6809
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.864 5.386/6.441 6.014 ± 0.6608
ea13 1342 1342/1342 1342 ± 0 6.194 5.941/6.609 6.35 ± 0.5152
ea14 1342 1342/1342 1342 ± 0 5.902 5.392/6.478 5.989 ± 0.6705
ea15 1342 1342/1342 1342 ± 0 5.811 5.387/6.414 5.991 ± 0.6634
ea16 1342 1342/1342 1342 ± 0 6.174 5.711/6.784 6.326 ± 0.7061
ea17 1342 1342/1342 1342 ± 0.00003394 6.047 5.605/6.799 6.178 ± 0.6521
ea18 1342 1342/1342 1342 ± 0.000007863 5.097 4.772/5.544 5.178 ± 0.5314
ea19 1342 1342/1342 1342 ± 0 6.104 5.647/6.779 6.297 ± 0.6627
ea20 1342 1342/1342 1342 ± 0 6.301 5.712/6.842 6.278 ± 0.6133
ea21 1342 1342/1342 1342 ± 0 5.788 5.465/6.377 5.955 ± 0.5624
ea22 1342 1342/1342 1342 ± 0.000002807 5.605 5.364/6.467 5.885 ± 0.6843
ea23 1342 1342/1342 1342 ± 0 6.085 5.529/6.508 6.151 ± 0.6849
ea25 1342 1342/1342 1342 ± 0.00003113 5.646 5.389/6.243 5.842 ± 0.5774
ea26 1342 1342/1342 1342 ± 0 6.104 5.68/6.767 6.269 ± 0.678
ea27 1342 1342/1342 1342 ± 0.00004151 5.648 5.273/6.428 5.83 ± 0.5947
ea28 1342 1342/1342 1342 ± 0.00004144 5.872 5.507/6.58 6.034 ± 0.6798
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 ± 0.00002349 5.457 5.347/5.736 5.484 ± 0.2893
3 1342 1342/1342 1342 ± 0.00003048 5.353 5.08/5.541 5.323 ± 0.3177
4 1342 1342/1342 1342 ± 0.00002445 5.29 5.187/5.514 5.324 ± 0.3318
5 1342 1342/1342 1342 ± 0.00002349 5.475 5.21/5.601 5.432 ± 0.328
6 1342 1342/1342 1342 ± 0.00002349 5.369 5.2/5.547 5.336 ± 0.3213
7 1342 1342/1342 1342 ± 0.00002349 5.418 5.32/5.614 5.427 ± 0.2532
8 1342 1342/1342 1342 ± 0.00002349 5.452 5.197/5.606 5.381 ± 0.2725
9 1342 1342/1342 1342 ± 0.00002349 5.696 5.561/5.926 5.671 ± 0.3043
10 1342 1342/1342 1342 ± 0.00002349 6.156 6.007/6.298 6.116 ± 0.3056
11 1342 1342/1342 1342 ± 0.00002349 6.428 6.209/6.514 6.338 ± 0.3043
12 1342 1342/1342 1342 ± 0.00002393 6.566 6.355/6.717 6.5 ± 0.3277
13 1342 1342/1342 1342 ± 0.00002349 6.985 6.878/7.204 6.949 ± 0.3524
14 1342 1342/1342 1342 ± 0.00002349 7.218 6.978/7.408 7.118 ± 0.3823
15 1342 1342/1342 1342 ± 0.0000235 6.857 6.554/7.013 6.775 ± 0.3818
16 1342 1342/1342 1342 ± 0.00004726 6.119 5.824/6.377 6.104 ± 0.3458
17 1342 1342/1342 1342 ± 0.00004216 6.153 5.933/6.37 6.139 ± 0.3324
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
datacolumn
residual_data
Start time
2025-01-04 09:24:17.012
End
2025-01-04 10:17:39.052
Duration
0:53:22.040
Note, WebLog generation is not included in the time.

CASA logs for stage 8