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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.529 5.25/6.287 5.641 ± 0.7146
ea02 1342 1342/1342 1342 ± 0.00004161 5.95 5.343/6.676 5.944 ± 0.8753
ea04 1342 1342/1342 1342 ± 0.00002783 5.318 5.225/6.047 5.536 ± 0.6781
ea05 1342 1342/1342 1342 ± 0.00001513 5.453 5.212/6.614 5.848 ± 0.8077
ea06 1342 1342/1342 1342 ± 0.00003525 5.069 4.826/5.842 5.27 ± 0.6166
ea07 1342 1342/1342 1342 ± 0.0000402 5.928 5.459/6.361 5.905 ± 0.79
ea09 1342 1342/1342 1342 ± 0.00002259 5.235 5.031/5.926 5.373 ± 0.5656
ea10 1342 1342/1342 1342 ± 0.00004575 5.155 4.823/5.966 5.287 ± 0.6884
ea11 1342 1342/1342 1342 ± 0.00004309 5.975 5.471/6.715 5.955 ± 0.8645
ea12 1342 1342/1342 1342 ± 0.00004069 5.714 5.62/6.48 5.99 ± 0.8201
ea13 1342 1342/1342 1342 ± 0.00001155 6.227 5.469/6.386 6.068 ± 0.7097
ea14 1342 1342/1342 1342 ± 0.00003973 5.678 5.361/6.693 5.934 ± 0.8859
ea15 1342 1342/1342 1342 ± 0.00002586 5.703 5.465/6.488 5.865 ± 0.8497
ea16 1342 1342/1342 1342 ± 0.00002567 5.897 5.473/6.769 6.006 ± 0.9937
ea17 1342 1342/1342 1342 ± 0.00004518 5.97 5.566/6.673 6.052 ± 0.8918
ea18 1342 1342/1342 1342 ± 0.00004209 5.009 4.791/5.669 5.181 ± 0.6369
ea19 1342 1342/1342 1342 ± 0.00002542 5.781 5.559/6.808 6.034 ± 0.8489
ea20 1342 1342/1342 1342 ± 0.00004308 6.176 5.879/7.032 6.309 ± 0.9137
ea21 1342 1342/1342 1342 ± 0.00003224 5.609 5.127/6.381 5.744 ± 0.8226
ea22 1342 1342/1342 1342 ± 0.00002893 5.521 5.102/6.529 5.761 ± 0.8142
ea23 1342 1342/1342 1342 ± 0.00004166 5.931 5.497/6.776 6.061 ± 0.9299
ea24 1342 1342/1342 1342 ± 0.00001355 5.236 4.971/6.18 5.497 ± 0.6968
ea25 1342 1342/1342 1342 ± 0.00004387 5.59 5.187/6.287 5.726 ± 0.7606
ea26 1342 1342/1342 1342 ± 0.00002066 5.896 5.741/6.89 6.163 ± 0.825
ea27 1342 1342/1342 1342 ± 0.00004309 5.726 5.388/6.655 5.86 ± 0.8042
ea28 1342 1342/1342 1342 ± 0.00004169 5.755 5.629/6.761 6.014 ± 0.8868
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 ± 0.00002352 5.252 5.054/5.438 5.202 ± 0.3126
3 1342 1342/1342 1342 ± 0.00004022 5.446 5.209/5.682 5.457 ± 0.4262
5 1342 1342/1342 1342 ± 0.00002358 5.808 5.487/6.039 5.747 ± 0.4774
6 1342 1342/1342 1342 ± 0.00002352 5.537 5.185/5.637 5.438 ± 0.2884
7 1342 1342/1342 1342 ± 0.00002352 5.531 5.31/5.696 5.494 ± 0.2926
8 1342 1342/1342 1342 ± 0.00002352 5.469 5.151/5.573 5.407 ± 0.3374
9 1342 1342/1342 1342 ± 0.00002374 5.706 5.286/5.797 5.589 ± 0.3305
10 1342 1342/1342 1342 ± 0.00002352 6.163 5.956/6.287 6.082 ± 0.311
11 1342 1342/1342 1342 ± 0.00002352 6.405 6.082/6.574 6.361 ± 0.3165
12 1342 1342/1342 1342 ± 0.00002352 6.539 6.331/6.762 6.523 ± 0.3631
13 1342 1342/1342 1342 ± 0.00002352 6.912 6.719/7.241 6.894 ± 0.4235
14 1342 1342/1342 1342 ± 0.00002352 7.281 6.919/7.382 7.106 ± 0.4367
15 1342 1342/1342 1342 ± 0.00002354 6.573 6.222/6.981 6.554 ± 0.534
16 1342 1342/1342 1342 ± 0.00005328 4.415 4.287/4.547 4.416 ± 0.182
17 1342 1342/1342 1342 ± 0.00006026 4.593 4.454/4.762 4.628 ± 0.2569
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
overwrite_modelcol
False
Start time
2024-04-27 07:13:25.106
End
2024-04-27 08:08:28.973
Duration
0:55:03.867
Note, WebLog generation is not included in the time.

CASA logs for stage 7