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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.628 5.298/6.424 5.643 ± 0.828
ea02 1342 1342/1342 1342 ± 0.00004185 6.07 5.579/6.867 6.042 ± 0.9551
ea04 1342 1342/1342 1342 ± 0.00001606 5.332 4.86/5.943 5.275 ± 0.7634
ea05 1342 1342/1342 1342 ± 0.00002692 5.378 5.052/6.516 5.687 ± 0.8232
ea06 1342 1342/1342 1342 ± 0.00002935 5.115 4.694/5.712 5.093 ± 0.7049
ea07 1342 1342/1342 1342 ± 0.00004236 5.967 5.416/6.346 5.773 ± 0.8519
ea08 1342 1342/1342 1342 ± 0.0000428 6.067 5.745/7.035 6.172 ± 0.9947
ea09 1342 1342/1342 1342 ± 0.00002902 5.375 4.958/5.802 5.306 ± 0.6244
ea10 1342 1342/1342 1342 ± 0.0000418 5.31 4.83/6.018 5.276 ± 0.7462
ea11 1342 1342/1342 1342 ± 0.00004272 6.04 5.496/6.748 5.926 ± 0.941
ea12 1342 1342/1342 1342 ± 0.00003346 5.808 5.285/6.432 5.649 ± 0.8454
ea13 1342 1342/1342 1342 ± 0.00001243 6.011 5.723/6.413 6.018 ± 0.7337
ea14 1342 1342/1342 1342 ± 0.00003751 5.627 5.248/6.596 5.846 ± 0.8401
ea15 1342 1342/1342 1342 ± 0.000008067 5.229 5.017/6.199 5.444 ± 0.8947
ea16 1342 1342/1342 1342 ± 0.00003744 5.815 5.456/6.754 5.916 ± 0.8833
ea17 1342 1342/1342 1342 ± 0.00004326 6.179 5.68/6.892 6.107 ± 0.9811
ea18 1342 1342/1342 1342 ± 0.00004363 5.213 4.9/5.852 5.174 ± 0.6591
ea19 1342 1342/1342 1342 ± 0.00001275 5.697 5.408/6.748 5.973 ± 0.827
ea20 1342 1342/1342 1342 ± 0.00004067 6.08 5.713/6.968 6.142 ± 0.9955
ea21 1342 1342/1342 1342 ± 0.00003553 5.417 5.257/6.311 5.63 ± 0.7958
ea22 1342 1342/1342 1342 ± 0.00004061 5.473 5.246/6.522 5.706 ± 0.8378
ea23 1342 1342/1342 1342 ± 0.00005207 6.456 6.18/6.919 6.079 ± 1.178
ea24 1342 1342/1342 1342 ± 0.00001664 5.276 4.898/6.182 5.498 ± 0.7082
ea25 1342 1342/1342 1342 ± 0.00004267 5.779 5.342/6.507 5.77 ± 0.8609
ea26 1342 1342/1342 1342 ± 0.00003093 5.941 5.663/6.897 6.092 ± 0.8859
ea27 1342 1342/1342 1342 ± 0.0000428 5.714 5.245/6.533 5.717 ± 0.8467
ea28 1342 1342/1342 1342 ± 0.00004295 6.021 5.617/6.865 6.002 ± 0.9711
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 ± 0.00002348 5.703 5.257/5.973 5.606 ± 0.4001
5 1342 1342/1342 1342 ± 0.00002397 5.307 5.102/5.575 5.32 ± 0.3524
6 1342 1342/1342 1342 ± 0.00002348 5.408 5.046/5.631 5.35 ± 0.3317
7 1342 1342/1342 1342 ± 0.00002348 5.422 5.035/5.558 5.378 ± 0.3242
8 1342 1342/1342 1342 ± 0.00002348 5.444 5.05/5.577 5.345 ± 0.3567
9 1342 1342/1342 1342 ± 0.00002375 5.697 5.357/5.896 5.632 ± 0.3612
10 1342 1342/1342 1342 ± 0.00002306 6.133 5.833/6.347 6.076 ± 0.366
11 1342 1342/1342 1342 ± 0.00002306 6.396 6.148/6.665 6.362 ± 0.3629
12 1342 1342/1342 1342 ± 0.00002306 6.613 6.313/6.84 6.538 ± 0.3968
13 1342 1342/1342 1342 ± 0.00002306 6.851 6.516/7.214 6.844 ± 0.4138
14 1342 1342/1342 1342 ± 0.00002308 6.901 6.581/7.223 6.823 ± 0.4791
15 1342 1342/1342 1342 ± 0.00002479 6.584 6.276/6.803 6.505 ± 0.416
16 1342 1342/1342 1342 ± 0.00005661 4.147 3.957/4.341 4.16 ± 0.2853
17 1342 1342/1342 1342 ± 0.00005681 4.166 4.003/4.523 4.261 ± 0.3531
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
output_dir
 
Start time
2025-01-16 07:33:47.742
End
2025-01-16 08:11:55.655
Duration
0:38:07.913
Note, WebLog generation is not included in the time.

CASA logs for stage 8