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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.469 5.314/6.152 5.733 ± 0.5206
ea02 1342 1342/1342 1342 ± 0.000004393 5.937 5.625/6.704 6.176 ± 0.615
ea04 1342 1342/1342 1342 ± 0 5.57 5.075/6.249 5.668 ± 0.6006
ea05 1342 1342/1342 1342 ± 0 5.696 5.418/6.521 5.944 ± 0.6117
ea06 1342 1342/1342 1342 ± 0 4.964 4.558/5.266 4.911 ± 0.4017
ea07 1342 1342/1342 1342 ± 0 5.681 5.467/6.291 5.933 ± 0.6065
ea08 1342 1342/1342 1342 ± 0 5.867 5.695/6.809 6.245 ± 0.6347
ea09 1342 1342/1342 1342 ± 0 5.897 5.28/6.583 5.94 ± 0.6173
ea10 1342 1342/1342 1342 ± 0.00001031 5.588 5.213/6.353 5.779 ± 0.5906
ea11 1342 1342/1342 1342 ± 0 6.119 5.213/6.373 5.926 ± 0.6595
ea12 1342 1342/1342 1342 ± 0 5.986 5.393/6.584 6.062 ± 0.6671
ea13 1342 1342/1342 1342 ± 0 6.317 5.746/6.411 6.185 ± 0.4859
ea14 1342 1342/1342 1342 ± 0 5.757 5.335/6.517 5.893 ± 0.6774
ea15 1342 1342/1342 1342 ± 0 5.771 5.111/6.335 5.77 ± 0.713
ea16 1342 1342/1342 1342 ± 0.000006121 6.034 5.763/6.852 6.244 ± 0.7003
ea17 1342 1342/1342 1342 ± 0 6.105 5.692/6.75 6.228 ± 0.6211
ea18 1342 1342/1342 1342 ± 0 5.251 4.84/5.723 5.296 ± 0.5409
ea19 1342 1342/1342 1342 ± 0 5.948 5.603/6.766 6.128 ± 0.6314
ea20 1342 1342/1342 1342 ± 0 6.367 5.742/6.933 6.315 ± 0.6693
ea21 1342 1342/1342 1342 ± 0.000003209 5.491 5.346/6.375 5.813 ± 0.5905
ea22 1342 1342/1342 1342 ± 0 5.801 5.324/6.496 5.891 ± 0.6136
ea23 1342 1342/1342 1342 ± 0 5.635 5.499/6.647 6.065 ± 0.7057
ea25 1342 1342/1342 1342 ± 0 5.874 5.244/6.222 5.795 ± 0.6093
ea26 1342 1342/1342 1342 ± 0 6.157 5.625/6.764 6.212 ± 0.5861
ea27 1342 1342/1342 1342 ± 0.00003371 5.51 5.331/6.431 5.82 ± 0.6051
ea28 1342 1342/1342 1342 ± 0 5.725 5.459/6.54 5.979 ± 0.6387
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 ± 0.00002351 5.384 5.224/5.614 5.387 ± 0.2738
4 1342 1342/1342 1342 ± 0.00002395 5.247 5.143/5.495 5.257 ± 0.3808
5 1342 1342/1342 1342 ± 0.00002351 5.38 5.144/5.541 5.357 ± 0.3338
6 1342 1342/1342 1342 ± 0.00002351 5.293 5.063/5.433 5.266 ± 0.3004
7 1342 1342/1342 1342 ± 0.00002351 5.444 5.254/5.616 5.403 ± 0.2869
8 1342 1342/1342 1342 ± 0.00002351 5.444 5.202/5.567 5.363 ± 0.3042
9 1342 1342/1342 1342 ± 0.00002351 5.716 5.53/5.912 5.652 ± 0.344
10 1342 1342/1342 1342 ± 0.00002351 6.13 5.986/6.248 6.077 ± 0.3167
11 1342 1342/1342 1342 ± 0.00002351 6.364 6.182/6.489 6.299 ± 0.3366
12 1342 1342/1342 1342 ± 0.00002351 6.51 6.316/6.665 6.446 ± 0.3677
13 1342 1342/1342 1342 ± 0.00002351 6.966 6.765/7.08 6.882 ± 0.396
14 1342 1342/1342 1342 ± 0.00002351 7.078 6.905/7.318 7.033 ± 0.4266
15 1342 1342/1342 1342 ± 0.00002351 6.668 6.454/6.874 6.606 ± 0.4036
16 1342 1342/1342 1342 ± 0.00003309 5.863 5.63/6.122 5.891 ± 0.3764
17 1342 1342/1342 1342 ± 0.00002686 5.881 5.6/6.178 5.876 ± 0.3785
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-17 09:32:53.523
End
2024-05-17 10:41:43.574
Duration
1:08:50.051
Note, WebLog generation is not included in the time.

CASA logs for stage 8