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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.672 5.299/6.165 5.726 ± 0.542
ea02 1342 1342/1342 1342 ± 0.00001715 5.845 5.51/6.588 6.029 ± 0.6351
ea04 1342 1342/1342 1342 ± 0.000005522 5.566 5.226/6.078 5.68 ± 0.5028
ea05 1342 1342/1342 1342 ± 0 5.915 5.468/6.53 5.918 ± 0.5962
ea06 1342 1342/1342 1342 ± 0 5.583 5.156/5.95 5.569 ± 0.4889
ea07 1342 1342/1342 1342 ± 0 5.326 5.116/5.538 5.304 ± 0.2123
ea08 1342 1342/1342 1342 ± 0.00002897 5.957 5.608/6.682 6.152 ± 0.6594
ea09 1342 1342/1342 1342 ± 0 5.239 5.03/5.822 5.392 ± 0.4336
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.000005727 5.719 5.355/6.384 5.926 ± 0.5997
ea13 1342 1342/1342 1342 ± 0 6.106 5.876/6.338 6.22 ± 0.4464
ea14 1342 1342/1342 1342 ± 0 6.068 5.406/6.531 6.013 ± 0.6386
ea15 1342 1342/1342 1342 ± 0 5.93 5.396/6.392 5.979 ± 0.6408
ea16 1342 1342/1342 1342 ± 0 6.14 5.639/6.631 6.166 ± 0.6634
ea17 1342 1342/1342 1342 ± 0.000005819 5.73 5.576/5.82 5.697 ± 0.1939
ea18 1342 1342/1342 1342 ± 0.000001427 5.256 4.901/5.761 5.295 ± 0.5061
ea19 1342 1342/1342 1342 ± 0 5.669 5.638/5.811 5.708 ± 0.08843
ea20 1342 1342/1342 1342 ± 0 6.295 5.824/6.841 6.32 ± 0.6254
ea21 1342 1342/1342 1342 ± 0 5.666 5.488/6.352 5.901 ± 0.5426
ea22 1342 1342/1342 1342 ± 0 5.541 5.3/6.47 5.844 ± 0.6262
ea23 1342 1342/1342 1342 ± 0.000008073 5.85 5.495/6.532 6.045 ± 0.6549
ea24 1342 1342/1342 1342 ± 0 5.911 5.158/6.349 5.735 ± 0.5795
ea25 1342 1342/1342 1342 ± 0.000009555 5.644 5.397/6.329 5.848 ± 0.5901
ea26 1342 1342/1342 1342 ± 0 6.231 5.905/7.005 6.378 ± 0.6434
ea27 1342 1342/1342 1342 ± 0.000006504 5.442 5.286/5.55 5.425 ± 0.1688
ea28 1342 1342/1342 1342 ± 0.00003956 5.679 5.519/6.545 5.978 ± 0.6244
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 ± 0.000024 5.485 5.309/5.648 5.482 ± 0.2353
3 1342 1342/1342 1342 ± 0.00002461 5.204 5.08/5.429 5.26 ± 0.295
4 1342 1342/1342 1342 ± 0.00002418 5.428 5.306/5.612 5.451 ± 0.29
5 1342 1342/1342 1342 ± 0.000024 5.507 5.303/5.687 5.483 ± 0.2987
6 1342 1342/1342 1342 ± 0.00002402 5.42 5.13/5.593 5.371 ± 0.2758
7 1342 1342/1342 1342 ± 0.000024 5.409 5.237/5.608 5.425 ± 0.264
8 1342 1342/1342 1342 ± 0.000024 5.433 5.125/5.542 5.37 ± 0.2915
9 1342 1342/1342 1342 ± 0.000024 5.67 5.473/5.903 5.631 ± 0.3191
10 1342 1342/1342 1342 ± 0.00002609 6.088 5.906/6.25 6.03 ± 0.3254
11 1342 1342/1342 1342 ± 0.00002609 6.313 6.18/6.413 6.254 ± 0.3136
12 1342 1342/1342 1342 ± 0.00002609 6.453 6.319/6.555 6.401 ± 0.318
13 1342 1342/1342 1342 ± 0.00002609 6.933 6.515/7.033 6.818 ± 0.367
14 1342 1342/1342 1342 ± 0.00002609 7.093 6.82/7.232 7.014 ± 0.3834
15 1342 1342/1342 1342 ± 0.00002609 6.731 6.474/6.936 6.655 ± 0.3987
16 1342 1342/1342 1342 ± 0.00004022 5.827 5.588/6.14 5.837 ± 0.3382
17 1342 1342/1342 1342 ± 0.00004066 5.773 5.678/6.134 5.875 ± 0.3074
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-04-12 22:57:47.962
End
2024-04-12 23:33:50.987
Duration
0:36:03.025
Note, WebLog generation is not included in the time.

CASA logs for stage 7