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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.729 5.169/6.011 5.55 ± 0.6277
ea02 1342 1342/1342 1342 ± 0.0000386 5.906 5.296/6.51 5.875 ± 0.855
ea04 1342 1342/1342 1342 ± 0.00003679 5.253 4.94/5.911 5.285 ± 0.7326
ea05 1342 1342/1342 1342 ± 0.00002163 5.407 5.028/6.328 5.578 ± 0.8435
ea06 1342 1342/1342 1342 ± 0.00003788 5.126 4.627/5.438 4.91 ± 0.6511
ea07 1342 1342/1342 1342 ± 0.00001714 5.989 5.288/6.401 5.841 ± 0.6113
ea08 1342 1342/1342 1342 ± 0.00002611 6.638 5.523/6.851 6.229 ± 0.8513
ea09 1342 1342/1342 1342 ± 0.00003953 5.552 5.106/6.318 5.558 ± 0.8875
ea10 1342 1342/1342 1342 ± 0.00001834 5.95 5.071/6.247 5.686 ± 0.6435
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003394 5.446 5.161/6.151 5.534 ± 0.8004
ea13 1342 1342/1342 1342 ± 0.00002893 5.653 5.471/6.223 5.773 ± 0.8521
ea14 1342 1342/1342 1342 ± 0.00003265 5.706 5.319/6.506 5.844 ± 0.9247
ea15 1342 1342/1342 1342 ± 0.00003411 5.401 5.062/6.194 5.501 ± 0.9013
ea16 1342 1342/1342 1342 ± 0.00003001 5.75 5.317/6.483 5.755 ± 0.9494
ea17 1342 1342/1342 1342 ± 0.00002997 6.017 5.63/6.71 6.053 ± 0.8061
ea18 1342 1342/1342 1342 ± 0.00002715 5.111 4.753/5.428 5.055 ± 0.5223
ea19 1342 1342/1342 1342 ± 0.00001551 5.631 5.365/6.599 5.848 ± 0.908
ea20 1342 1342/1342 1342 ± 0.00002606 6.251 5.639/6.624 6.051 ± 0.7096
ea21 1342 1342/1342 1342 ± 0.0000244 5.461 5.147/6.215 5.592 ± 0.8116
ea22 1342 1342/1342 1342 ± 0.00003535 5.421 5.098/6.383 5.626 ± 0.8948
ea23 1342 1342/1342 1342 ± 0.00002003 6.059 5.36/6.776 6.01 ± 0.831
ea25 1342 1342/1342 1342 ± 0.00002943 5.937 5.18/6.209 5.627 ± 0.6908
ea27 1342 1342/1342 1342 ± 0.00002769 5.376 5.133/6.261 5.537 ± 0.6997
ea28 1342 1342/1342 1342 ± 0.00002779 6.033 5.328/6.491 5.901 ± 0.802
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 ± 0.00002442 5.268 5.097/5.487 5.254 ± 0.2823
5 1342 1342/1342 1342 ± 0.00004503 5.111 4.779/5.274 5.04 ± 0.2683
6 1342 1342/1342 1342 ± 0.00002442 5.22 5.097/5.377 5.195 ± 0.2816
7 1342 1342/1342 1342 ± 0.00002473 5.261 5.104/5.362 5.238 ± 0.2162
8 1342 1342/1342 1342 ± 0.00002473 5.29 5.055/5.359 5.231 ± 0.2421
9 1342 1342/1342 1342 ± 0.00002442 5.511 5.364/5.745 5.495 ± 0.3288
10 1342 1342/1342 1342 ± 0.00002442 5.989 5.779/6.052 5.911 ± 0.3016
11 1342 1342/1342 1342 ± 0.00002442 6.213 6.093/6.341 6.171 ± 0.3122
12 1342 1342/1342 1342 ± 0.00002442 6.337 6.173/6.491 6.312 ± 0.3237
13 1342 1342/1342 1342 ± 0.00002442 6.637 6.264/6.761 6.516 ± 0.4165
14 1342 1342/1342 1342 ± 0.00002586 6.563 6.064/6.856 6.444 ± 0.54
15 1342 1342/1342 1342 ± 0.00002853 6.627 6.429/6.903 6.581 ± 0.4389
16 1342 1342/1342 1342 ± 0.00005172 3.634 3.498/3.775 3.643 ± 0.2236
17 1342 1342/1342 1342 ± 0.00005189 3.787 3.54/4.05 3.811 ± 0.4097
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-02 19:06:44.017
End
2024-11-02 20:11:44.246
Duration
1:05:00.229
Note, WebLog generation is not included in the time.

CASA logs for stage 8