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

Statwt Summary Plot

VLASS2.1.sb38447583.eb38589602.59083.73025677083_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 5.411 5.207/5.96 5.636 ± 0.5482
ea02 1342 1342/1342 1342 ± 0.00005085 5.047 4.74/5.4 5.046 ± 0.4054
ea04 1342 1342/1342 1342 ± 0.000002001 5.154 4.888/5.979 5.36 ± 0.65
ea05 1342 1342/1342 1342 ± 0.000001157 5.169 4.895/6.126 5.438 ± 0.6585
ea06 1342 1342/1342 1342 ± 0.000005298 4.613 4.456/5.313 4.815 ± 0.5589
ea07 1342 1342/1342 1342 ± 0.00002163 5.13 4.746/5.373 5.095 ± 0.5697
ea08 1342 1342/1342 1342 ± 0.00004037 5.496 5.327/6.404 5.852 ± 0.6668
ea09 1342 1342/1342 1342 ± 0.00003777 5.078 4.79/5.735 5.205 ± 0.5787
ea10 1342 1342/1342 1342 ± 0.00004016 4.868 4.575/5.687 5.079 ± 0.5569
ea11 1342 1342/1342 1342 ± 0.00003329 4.882 4.647/5.467 5.042 ± 0.4621
ea12 1342 1342/1342 1342 ± 0.00002595 5.274 5.109/6.207 5.487 ± 0.7211
ea13 1342 1342/1342 1342 ± 0.00001877 5.223 5.091/5.607 5.344 ± 0.374
ea14 1342 1342/1342 1342 ± 0.0000115 5.259 4.956/6.27 5.585 ± 0.692
ea15 1342 1342/1342 1342 ± 0 4.943 4.835/5.973 5.376 ± 0.7331
ea16 1342 1342/1342 1342 ± 0.000007401 5.411 5.125/6.386 5.686 ± 0.7491
ea17 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea18 1342 1342/1342 1342 ± 0.00003615 4.674 4.421/5.25 4.74 ± 0.492
ea19 1342 1342/1342 1342 ± 0.000004228 5.344 5.155/6.332 5.638 ± 0.6793
ea20 1342 1342/1342 1342 ± 0.00002437 5.564 5.251/6.531 5.774 ± 0.7779
ea21 1342 1342/1342 1342 ± 0.000001134 5.097 4.904/5.977 5.392 ± 0.6421
ea22 1342 1342/1342 1342 ± 0.00003963 5.052 4.748/5.899 5.276 ± 0.5886
ea23 1342 1342/1342 1342 ± 0.000001131 5.204 4.959/6.155 5.527 ± 0.7068
ea25 1342 1342/1342 1342 ± 0.00003509 4.916 4.72/5.294 5.016 ± 0.4348
ea26 1342 1342/1342 1342 ± 0.00003672 5.383 5.111/6.236 5.584 ± 0.6591
ea27 1342 1342/1342 1342 ± 0.0000415 4.789 4.541/5.441 4.855 ± 0.565
ea28 1342 1342/1342 1342 ± 0.00003874 4.842 4.649/5.177 4.924 ± 0.322
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 ± 0.0000251 5.102 4.836/5.219 5.041 ± 0.2627
3 1342 1342/1342 1342 ± 0.0000251 4.887 4.631/5.126 4.863 ± 0.2772
4 1342 1342/1342 1342 ± 0.00003432 4.871 4.646/4.966 4.748 ± 0.3273
5 1342 1342/1342 1342 ± 0.0000251 4.957 4.708/5.097 4.938 ± 0.2622
6 1342 1342/1342 1342 ± 0.0000251 4.896 4.716/5.117 4.899 ± 0.2503
7 1342 1342/1342 1342 ± 0.0000251 4.952 4.716/5.166 4.964 ± 0.2727
8 1342 1342/1342 1342 ± 0.0000251 4.869 4.731/5.185 4.92 ± 0.2807
9 1342 1342/1342 1342 ± 0.0000251 5.161 5.043/5.408 5.167 ± 0.3023
10 1342 1342/1342 1342 ± 0.0000251 5.539 5.294/5.792 5.527 ± 0.3104
11 1342 1342/1342 1342 ± 0.0000251 5.825 5.448/5.993 5.753 ± 0.3696
12 1342 1342/1342 1342 ± 0.0000251 5.96 5.46/6.234 5.875 ± 0.42
13 1342 1342/1342 1342 ± 0.0000251 6.411 5.791/6.689 6.228 ± 0.4892
14 1342 1342/1342 1342 ± 0.0000251 6.495 5.761/6.734 6.307 ± 0.5231
15 1342 1342/1342 1342 ± 0.0000251 6.09 5.52/6.42 5.974 ± 0.4925
16 1342 1342/1342 1342 ± 0.00006101 4.495 4.289/4.712 4.501 ± 0.3598
17 1342 1342/1342 1342 ± 0.00006 4.526 4.319/4.757 4.52 ± 0.3676
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38447583.eb38589602.59083.73025677083_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-11-16 17:23:58.141
End
2024-11-16 18:16:59.444
Duration
0:53:01.304
Note, WebLog generation is not included in the time.

CASA logs for stage 8