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 5.366 5.336/6.104 5.547 ± 0.7491
ea02 1342 1342/1342 1342 ± 0.00003524 5.946 5.373/6.663 5.943 ± 0.9223
ea04 1342 1342/1342 1342 ± 0.000036 5.452 5.065/5.994 5.379 ± 0.7697
ea05 1342 1342/1342 1342 ± 0.00001351 5.452 5.088/6.268 5.566 ± 0.8657
ea06 1342 1342/1342 1342 ± 0.0000373 4.859 4.7/5.321 4.825 ± 0.6112
ea07 1342 1342/1342 1342 ± 0.0000328 5.963 5.447/6.291 5.817 ± 0.823
ea08 1342 1342/1342 1342 ± 0.00003373 6.163 5.751/6.938 6.228 ± 0.9805
ea09 1342 1342/1342 1342 ± 0.0000298 5.602 5.029/6.323 5.539 ± 0.8314
ea10 1342 1342/1342 1342 ± 0.00003454 5.802 5.218/6.351 5.653 ± 0.842
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003755 5.658 5.297/6.231 5.649 ± 0.8917
ea13 1342 1342/1342 1342 ± 0.00002512 5.814 5.614/6.331 5.888 ± 0.8368
ea14 1342 1342/1342 1342 ± 0.00002111 5.831 5.325/6.674 5.856 ± 0.9929
ea15 1342 1342/1342 1342 ± 0.00003856 5.494 5.157/6.262 5.463 ± 0.9369
ea16 1342 1342/1342 1342 ± 0.00002133 5.938 5.495/6.763 5.894 ± 1.039
ea17 1342 1342/1342 1342 ± 0.00003899 6.126 5.63/6.719 6.066 ± 0.9498
ea18 1342 1342/1342 1342 ± 0.00003756 5.006 4.808/5.544 5.074 ± 0.678
ea19 1342 1342/1342 1342 ± 0.00001071 5.801 5.443/6.698 5.855 ± 0.8985
ea20 1342 1342/1342 1342 ± 0.00003722 5.927 5.584/6.794 5.996 ± 0.9709
ea21 1342 1342/1342 1342 ± 0.00001728 5.617 5.326/6.38 5.64 ± 0.9134
ea22 1342 1342/1342 1342 ± 0.00003194 5.41 5.127/6.437 5.649 ± 0.8649
ea23 1342 1342/1342 1342 ± 0.00003061 5.915 5.527/6.698 5.942 ± 0.9761
ea25 1342 1342/1342 1342 ± 0.00003612 5.651 5.277/6.262 5.645 ± 0.8251
ea27 1342 1342/1342 1342 ± 0.00003581 5.623 5.34/6.502 5.666 ± 0.8363
ea28 1342 1342/1342 1342 ± 0.00003457 5.767 5.48/6.65 5.928 ± 0.9067
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 ± 0.0000244 5.459 5.302/5.73 5.469 ± 0.2763
5 1342 1342/1342 1342 ± 0.00002519 5.294 5.137/5.484 5.297 ± 0.2918
6 1342 1342/1342 1342 ± 0.0000244 5.349 5.132/5.484 5.317 ± 0.2768
7 1342 1342/1342 1342 ± 0.0000244 5.354 5.214/5.521 5.341 ± 0.2662
8 1342 1342/1342 1342 ± 0.0000244 5.376 5.162/5.489 5.326 ± 0.2958
9 1342 1342/1342 1342 ± 0.0000244 5.65 5.423/5.919 5.621 ± 0.3466
10 1342 1342/1342 1342 ± 0.0000244 6.117 5.863/6.214 6.023 ± 0.3254
11 1342 1342/1342 1342 ± 0.0000244 6.287 6.158/6.487 6.297 ± 0.341
12 1342 1342/1342 1342 ± 0.0000244 6.538 6.306/6.686 6.483 ± 0.3651
13 1342 1342/1342 1342 ± 0.0000244 6.784 6.473/7.02 6.689 ± 0.4471
14 1342 1342/1342 1342 ± 0.00002878 6.602 6.092/6.985 6.475 ± 0.6354
15 1342 1342/1342 1342 ± 0.00002584 6.72 6.436/7.054 6.668 ± 0.503
16 1342 1342/1342 1342 ± 0.000054 3.537 3.409/3.729 3.568 ± 0.2454
17 1342 1342/1342 1342 ± 0.00005431 3.773 3.593/4.013 3.821 ± 0.3317
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-26 16:12:06.992
End
2024-11-26 17:13:42.217
Duration
1:01:35.226
Note, WebLog generation is not included in the time.

CASA logs for stage 8