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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.333 5.243/6.033 5.586 ± 0.6576
ea02 1342 1342/1342 1342 ± 0.000033 5.916 5.369/6.55 5.967 ± 0.8044
ea04 1342 1342/1342 1342 ± 0.00003186 5.178 4.905/5.725 5.273 ± 0.6071
ea05 1342 1342/1342 1342 ± 0.000007506 5.4 5.024/6.152 5.598 ± 0.742
ea06 1342 1342/1342 1342 ± 0 4.829 4.671/5.204 4.936 ± 0.4143
ea07 1342 1342/1342 1342 ± 0.000033 5.865 5.397/6.238 5.891 ± 0.7614
ea08 1342 1342/1342 1342 ± 0 6.518 5.571/6.945 6.294 ± 0.6465
ea10 1342 1342/1342 1342 ± 0.000033 5.776 5.27/6.55 5.853 ± 0.7932
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001521 5.455 5.312/6.391 5.71 ± 0.8118
ea13 1342 1342/1342 1342 ± 0.000003053 5.826 5.594/6.253 5.903 ± 0.6833
ea14 1342 1342/1342 1342 ± 0.000003759 5.526 5.177/6.344 5.671 ± 0.7838
ea15 1342 1342/1342 1342 ± 0.00002747 5.183 4.997/6.017 5.434 ± 0.7371
ea16 1342 1342/1342 1342 ± 0.000009278 5.93 5.494/6.713 5.986 ± 0.8907
ea17 1342 1342/1342 1342 ± 0.000033 5.796 5.41/6.758 5.959 ± 0.7989
ea18 1342 1342/1342 1342 ± 0 5.056 4.732/5.588 5.145 ± 0.511
ea19 1342 1342/1342 1342 ± 0 5.737 5.515/6.501 6.021 ± 0.7341
ea20 1342 1342/1342 1342 ± 0.00001227 5.826 5.605/6.639 5.965 ± 0.886
ea21 1342 1342/1342 1342 ± 0.000011 5.552 5.322/6.216 5.725 ± 0.7035
ea22 1342 1342/1342 1342 ± 0.00002965 5.484 5.219/6.53 5.811 ± 0.7402
ea23 1342 1342/1342 1342 ± 0.000033 5.826 5.457/6.509 5.947 ± 0.8167
ea25 1342 1342/1342 1342 ± 0.000033 5.374 5.094/6.137 5.558 ± 0.7537
ea26 1342 1342/1342 1342 ± 0.00001947 5.83 5.717/6.793 6.189 ± 0.7371
ea27 1342 1342/1342 1342 ± 0.00003364 5.497 5.147/6.351 5.692 ± 0.7342
ea28 1342 1342/1342 1342 ± 0.000001439 5.958 5.41/6.744 6.05 ± 0.6324
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 ± 0.00002443 5.23 5.029/5.577 5.286 ± 0.3001
5 1342 1342/1342 1342 ± 0.00002439 5.468 5.218/5.61 5.376 ± 0.3901
6 1342 1342/1342 1342 ± 0.00002443 5.364 5.125/5.513 5.315 ± 0.3096
7 1342 1342/1342 1342 ± 0.00002443 5.324 5.203/5.473 5.303 ± 0.2791
8 1342 1342/1342 1342 ± 0.00002443 5.307 5.052/5.484 5.245 ± 0.3001
9 1342 1342/1342 1342 ± 0.00002443 5.546 5.374/5.824 5.533 ± 0.3409
10 1342 1342/1342 1342 ± 0.00002443 5.958 5.827/6.168 5.937 ± 0.349
11 1342 1342/1342 1342 ± 0.00002443 6.245 6.067/6.382 6.168 ± 0.3638
12 1342 1342/1342 1342 ± 0.00002443 6.382 6.199/6.547 6.328 ± 0.382
13 1342 1342/1342 1342 ± 0.00002443 6.75 6.605/6.997 6.724 ± 0.4015
14 1342 1342/1342 1342 ± 0.00002443 7.04 6.746/7.198 6.921 ± 0.4436
15 1342 1342/1342 1342 ± 0.00002496 6.521 6.241/6.717 6.423 ± 0.4648
16 1342 1342/1342 1342 ± 0.00005333 4.437 4.297/4.588 4.438 ± 0.1891
17 1342 1342/1342 1342 ± 0.00006073 4.332 4.184/4.528 4.359 ± 0.2203
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-12-21 02:12:22.221
End
2024-12-21 02:54:44.710
Duration
0:42:22.490
Note, WebLog generation is not included in the time.

CASA logs for stage 8