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 5.406 5.335/6.095 5.694 ± 0.4878
ea02 1342 1342/1342 1342 ± 0 5.888 5.518/6.645 6.096 ± 0.6141
ea04 1342 1342/1342 1342 ± 0 5.502 5.056/6.155 5.61 ± 0.5748
ea05 1342 1342/1342 1342 ± 0 6.017 5.385/6.471 5.943 ± 0.6017
ea06 1342 1342/1342 1342 ± 0 4.99 4.531/5.289 4.925 ± 0.4119
ea07 1342 1342/1342 1342 ± 0 5.755 5.404/6.223 5.896 ± 0.5633
ea08 1342 1342/1342 1342 ± 0 5.919 5.582/6.744 6.181 ± 0.6251
ea09 1342 1342/1342 1342 ± 0 5.844 5.283/6.568 5.884 ± 0.6144
ea10 1342 1342/1342 1342 ± 0.000001102 5.706 5.184/6.315 5.758 ± 0.5698
ea11 1342 1342/1342 1342 ± 0 5.981 5.18/6.31 5.874 ± 0.6182
ea12 1342 1342/1342 1342 ± 0 5.975 5.341/6.46 5.994 ± 0.6531
ea13 1342 1342/1342 1342 ± 0 6.068 5.713/6.33 6.114 ± 0.4811
ea14 1342 1342/1342 1342 ± 0.000005046 5.721 5.294/6.452 5.843 ± 0.6691
ea15 1342 1342/1342 1342 ± 0 5.721 5.038/6.24 5.717 ± 0.707
ea16 1342 1342/1342 1342 ± 0.000007379 6.06 5.69/6.843 6.242 ± 0.6789
ea17 1342 1342/1342 1342 ± 0 5.966 5.558/6.57 6.087 ± 0.5844
ea18 1342 1342/1342 1342 ± 0 5.197 4.801/5.672 5.25 ± 0.5219
ea19 1342 1342/1342 1342 ± 0 6.214 5.579/6.738 6.16 ± 0.6241
ea20 1342 1342/1342 1342 ± 0 6.337 5.712/6.818 6.268 ± 0.641
ea21 1342 1342/1342 1342 ± 0.000002699 5.634 5.42/6.309 5.819 ± 0.5627
ea22 1342 1342/1342 1342 ± 0 5.687 5.303/6.447 5.859 ± 0.6051
ea23 1342 1342/1342 1342 ± 0.000001909 5.703 5.47/6.578 6.034 ± 0.6622
ea25 1342 1342/1342 1342 ± 0 5.841 5.29/6.188 5.791 ± 0.5736
ea26 1342 1342/1342 1342 ± 0 5.933 5.561/6.699 6.135 ± 0.5857
ea27 1342 1342/1342 1342 ± 0.00003887 5.601 5.346/6.38 5.819 ± 0.5515
ea28 1342 1342/1342 1342 ± 0 5.588 5.411/6.473 5.897 ± 0.6208
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 5.372 5.199/5.571 5.349 ± 0.2649
4 1342 1342/1342 1342 ± 0.00002348 5.242 5.122/5.431 5.222 ± 0.3452
5 1342 1342/1342 1342 ± 0.00002348 5.406 5.167/5.546 5.375 ± 0.3321
6 1342 1342/1342 1342 ± 0.00002348 5.284 5.075/5.462 5.263 ± 0.3005
7 1342 1342/1342 1342 ± 0.00002348 5.387 5.233/5.556 5.361 ± 0.2773
8 1342 1342/1342 1342 ± 0.00002348 5.403 5.149/5.549 5.322 ± 0.2971
9 1342 1342/1342 1342 ± 0.00002348 5.645 5.492/5.849 5.608 ± 0.3349
10 1342 1342/1342 1342 ± 0.00002348 6.095 5.965/6.226 6.035 ± 0.3152
11 1342 1342/1342 1342 ± 0.00002348 6.316 6.133/6.41 6.248 ± 0.334
12 1342 1342/1342 1342 ± 0.00002348 6.456 6.281/6.612 6.399 ± 0.3497
13 1342 1342/1342 1342 ± 0.00002348 6.885 6.708/7.018 6.817 ± 0.3811
14 1342 1342/1342 1342 ± 0.00002348 7.016 6.822/7.233 6.962 ± 0.4101
15 1342 1342/1342 1342 ± 0.00002348 6.59 6.328/6.803 6.522 ± 0.3893
16 1342 1342/1342 1342 ± 0.00003246 5.837 5.658/6.069 5.856 ± 0.3326
17 1342 1342/1342 1342 ± 0.00003114 5.858 5.697/6.104 5.867 ± 0.3333
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-05-17 12:53:29.309
End
2024-05-17 14:08:56.184
Duration
1:15:26.875
Note, WebLog generation is not included in the time.

CASA logs for stage 8