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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.437 5.207/6.099 5.559 ± 0.7687
ea02 1342 1342/1342 1342 ± 0.00004247 5.922 5.193/6.601 5.729 ± 0.9693
ea03 1342 1342/1342 1342 ± 0.00003566 4.914 4.657/5.884 5.123 ± 0.8112
ea04 1342 1342/1342 1342 ± 0.00003969 5.311 5.058/6.102 5.471 ± 0.7489
ea05 1342 1342/1342 1342 ± 0.00003064 5.681 5.103/6.444 5.61 ± 0.9007
ea06 1342 1342/1342 1342 ± 0.00002313 4.472 4.147/4.887 4.318 ± 0.7684
ea07 1342 1342/1342 1342 ± 0.00003927 5.794 5.192/6.116 5.733 ± 0.8652
ea08 1342 1342/1342 1342 ± 0.00004144 6.061 5.426/6.711 5.987 ± 0.9454
ea09 1342 1342/1342 1342 ± 0.00004178 5.509 5.084/6.341 5.533 ± 0.8446
ea10 1342 1342/1342 1342 ± 0.00003868 5.846 5.157/6.64 5.817 ± 0.9385
ea11 1342 1342/1342 1342 ± 0.00002845 5.666 4.979/6.347 5.538 ± 1.023
ea12 1342 1342/1342 1342 ± 0.00003945 5.505 5.249/6.535 5.733 ± 0.8744
ea13 1342 1342/1342 1342 ± 0.00003635 6.103 5.499/6.277 5.81 ± 0.884
ea14 1342 1342/1342 1342 ± 0.00004107 5.6 5.155/6.201 5.63 ± 0.9013
ea15 1342 1342/1342 1342 ± 0.00001777 3.746 3.571/4.649 3.882 ± 0.9997
ea16 1342 1342/1342 1342 ± 0.0000407 5.834 5.474/6.74 5.897 ± 1.057
ea17 1342 1342/1342 1342 ± 0.00003213 6.074 5.552/7.293 6.126 ± 1.111
ea18 1342 1342/1342 1342 ± 0.00003727 4.727 4.418/5.463 4.858 ± 0.6323
ea19 1342 1342/1342 1342 ± 0.00002256 5.564 5.231/6.458 5.677 ± 0.8887
ea20 1342 1342/1342 1342 ± 0.00003707 5.951 5.693/6.99 6.12 ± 0.9888
ea21 1342 1342/1342 1342 ± 0.00004076 5.683 5.279/6.413 5.658 ± 0.9407
ea23 1342 1342/1342 1342 ± 0.00003825 5.479 5.138/5.655 5.343 ± 0.641
ea24 1342 1342/1342 1342 ± 0.00004269 5.692 5.254/6.412 5.61 ± 0.8305
ea25 1342 1342/1342 1342 ± 0.00003864 5.514 5.233/6.267 5.595 ± 0.8246
ea26 1342 1342/1342 1342 ± 0.00004173 5.831 5.599/6.717 5.882 ± 0.939
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004008 5.414 5.149/6.183 5.54 ± 0.7894
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 ± 0.0000237 5.293 5.038/5.51 5.194 ± 0.4995
5 1342 1342/1342 1342 ± 0.0000237 5.589 5.198/5.833 5.434 ± 0.5983
6 1342 1342/1342 1342 ± 0.0000237 5.205 5.035/5.384 5.125 ± 0.4729
7 1342 1342/1342 1342 ± 0.0000237 5.237 5.145/5.489 5.185 ± 0.4609
8 1342 1342/1342 1342 ± 0.0000237 5.277 5.146/5.454 5.196 ± 0.4947
9 1342 1342/1342 1342 ± 0.0000237 5.583 5.309/5.825 5.455 ± 0.5125
10 1342 1342/1342 1342 ± 0.0000237 5.945 5.591/6.136 5.79 ± 0.5533
11 1342 1342/1342 1342 ± 0.0000237 6.177 6.003/6.322 6.061 ± 0.5155
12 1342 1342/1342 1342 ± 0.0000237 6.349 6.103/6.603 6.253 ± 0.5741
13 1342 1342/1342 1342 ± 0.0000237 6.77 6.53/6.917 6.633 ± 0.5418
14 1342 1342/1342 1342 ± 0.00002375 6.871 6.483/7.027 6.678 ± 0.6147
15 1342 1342/1342 1342 ± 0.00002652 6.573 6.247/6.879 6.472 ± 0.6509
16 1342 1342/1342 1342 ± 0.00004909 3.831 3.676/3.952 3.716 ± 0.5064
17 1342 1342/1342 1342 ± 0.00005026 3.971 3.797/4.127 3.865 ± 0.531
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
datacolumn
residual_data
Start time
2025-01-11 13:31:46.328
End
2025-01-11 14:30:02.491
Duration
0:58:16.163
Note, WebLog generation is not included in the time.

CASA logs for stage 8