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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.4 5.21/6.01 5.42 ± 0.7245
ea02 1342 1342/1342 1342 ± 0.00004619 5.879 5.325/6.4 5.705 ± 0.9445
ea04 1342 1342/1342 1342 ± 0.00000895 5.186 4.882/5.861 5.252 ± 0.7118
ea05 1342 1342/1342 1342 ± 0.00001157 5.6 5.075/6.311 5.614 ± 0.8004
ea06 1342 1342/1342 1342 ± 0.000001698 4.992 4.741/5.377 4.96 ± 0.5906
ea07 1342 1342/1342 1342 ± 0.00003893 5.778 5.274/6.099 5.548 ± 0.8184
ea08 1342 1342/1342 1342 ± 0.00003881 5.935 5.458/6.669 5.903 ± 0.9263
ea09 1342 1342/1342 1342 ± 0.00002114 5.599 5.003/6.165 5.507 ± 0.7403
ea10 1342 1342/1342 1342 ± 0.00004247 5.483 5.101/6.244 5.463 ± 0.8279
ea11 1342 1342/1342 1342 ± 0.00002765 5.705 5.034/6.269 5.511 ± 0.9277
ea12 1342 1342/1342 1342 ± 0 5.783 5.243/6.391 5.678 ± 0.8312
ea13 1342 1342/1342 1342 ± 0.000002937 5.863 5.566/6.309 5.842 ± 0.7541
ea14 1342 1342/1342 1342 ± 0.00002018 5.671 5.268/6.4 5.678 ± 0.8046
ea15 1342 1342/1342 1342 ± 0.000001696 5.378 5.087/6.172 5.519 ± 0.827
ea16 1342 1342/1342 1342 ± 0.00002622 5.762 5.352/6.582 5.748 ± 0.8568
ea17 1342 1342/1342 1342 ± 0.0000388 5.823 5.288/6.75 5.788 ± 0.9693
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.919 5.463/6.711 5.86 ± 0.854
ea20 1342 1342/1342 1342 ± 0 5.889 5.52/6.831 5.901 ± 0.9679
ea21 1342 1342/1342 1342 ± 0.00001948 5.522 5.28/6.225 5.578 ± 0.8055
ea22 1342 1342/1342 1342 ± 0.00003672 5.386 5.117/6.234 5.517 ± 0.8486
ea23 1342 1342/1342 1342 ± 0.0000388 5.776 5.325/6.47 5.745 ± 0.8641
ea25 1342 1342/1342 1342 ± 0.00003734 5.491 5.072/6.16 5.482 ± 0.8475
ea26 1342 1342/1342 1342 ± 0.00001902 5.639 5.495/6.545 5.757 ± 0.7647
ea27 1342 1342/1342 1342 ± 0.00004473 5.449 4.996/6.273 5.506 ± 0.8226
ea28 1342 1342/1342 1342 ± 0.00004375 5.694 5.301/6.327 5.589 ± 0.9238
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 ± 0.0000241 5.597 5.396/5.781 5.59 ± 0.2423
5 1342 1342/1342 1342 ± 0.00002481 5.236 5.015/5.494 5.246 ± 0.2594
6 1342 1342/1342 1342 ± 0.0000241 5.287 5.139/5.454 5.295 ± 0.238
7 1342 1342/1342 1342 ± 0.0000241 5.28 5.102/5.456 5.273 ± 0.207
8 1342 1342/1342 1342 ± 0.0000241 5.29 5.08/5.392 5.243 ± 0.2381
9 1342 1342/1342 1342 ± 0.0000241 5.585 5.404/5.727 5.534 ± 0.2745
10 1342 1342/1342 1342 ± 0.0000241 5.98 5.859/6.027 5.933 ± 0.2429
11 1342 1342/1342 1342 ± 0.0000241 6.229 6.12/6.324 6.196 ± 0.2632
12 1342 1342/1342 1342 ± 0.0000241 6.39 6.215/6.542 6.364 ± 0.2976
13 1342 1342/1342 1342 ± 0.00002485 6.708 6.542/6.829 6.648 ± 0.3045
14 1342 1342/1342 1342 ± 0.0000317 6.478 6.252/6.762 6.471 ± 0.3367
15 1342 1342/1342 1342 ± 0.00002491 6.536 6.318/6.718 6.487 ± 0.3541
16 1342 1342/1342 1342 ± 0.00006074 3.831 3.661/4.086 3.858 ± 0.2556
17 1342 1342/1342 1342 ± 0.00006084 4.013 3.856/4.214 4.028 ± 0.233
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
statwtmode
VLASS-SE
Start time
2025-02-05 01:21:57.096
End
2025-02-05 01:47:38.822
Duration
0:25:41.727
Note, WebLog generation is not included in the time.

CASA logs for stage 8