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

Statwt Summary Plot

VLASS2.1.sb38469526.eb38577573.59079.23044392361_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 5.493 5.371/6.307 5.686 ± 0.7198
ea02 1342 1342/1342 1342 ± 0.00004406 5.976 5.51/6.767 5.978 ± 0.9255
ea04 1342 1342/1342 1342 ± 0 5.323 4.964/5.768 5.328 ± 0.6341
ea05 1342 1342/1342 1342 ± 0 5.519 5.091/6.363 5.699 ± 0.7291
ea06 1342 1342/1342 1342 ± 0.000004247 4.825 4.55/5.172 4.809 ± 0.4655
ea07 1342 1342/1342 1342 ± 0.00003804 5.97 5.601/6.41 5.929 ± 0.799
ea08 1342 1342/1342 1342 ± 0.00004438 6.088 5.668/6.953 6.149 ± 1.007
ea09 1342 1342/1342 1342 ± 0.00002016 5.725 5.338/6.439 5.78 ± 0.7442
ea10 1342 1342/1342 1342 ± 0.00003941 6.079 5.275/6.423 5.734 ± 0.7658
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000003514 5.614 5.203/6.318 5.636 ± 0.8525
ea13 1342 1342/1342 1342 ± 0.00001983 5.936 5.677/6.368 5.949 ± 0.7682
ea14 1342 1342/1342 1342 ± 0.000009856 5.835 5.54/6.573 5.966 ± 0.7816
ea15 1342 1342/1342 1342 ± 0 5.168 4.928/5.941 5.352 ± 0.7266
ea16 1342 1342/1342 1342 ± 0.000001923 5.84 5.479/6.702 5.983 ± 0.8396
ea17 1342 1342/1342 1342 ± 0.00003804 6.044 5.562/6.945 6.061 ± 0.8744
ea18 1342 1342/1342 1342 ± 0.00003316 5.012 4.884/5.789 5.129 ± 0.7171
ea19 1342 1342/1342 1342 ± 0 5.794 5.59/6.669 6.013 ± 0.7766
ea20 1342 1342/1342 1342 ± 0.000008692 5.81 5.613/6.786 5.988 ± 0.9885
ea21 1342 1342/1342 1342 ± 0 5.612 5.43/6.282 5.733 ± 0.7169
ea22 1342 1342/1342 1342 ± 0.00003018 5.598 5.207/6.487 5.747 ± 0.7653
ea23 1342 1342/1342 1342 ± 0.00003561 5.999 5.616/6.73 5.999 ± 0.9007
ea25 1342 1342/1342 1342 ± 0.00003817 5.65 5.385/6.439 5.756 ± 0.7964
ea26 1342 1342/1342 1342 ± 0.00002668 5.771 5.672/6.612 5.922 ± 0.788
ea27 1342 1342/1342 1342 ± 0.00003965 5.715 5.425/6.587 5.848 ± 0.7912
ea28 1342 1342/1342 1342 ± 0.00003981 5.841 5.62/6.722 6.027 ± 0.8686
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 ± 0.00002461 5.49 5.334/5.765 5.471 ± 0.2979
5 1342 1342/1342 1342 ± 0.00003054 5.186 5.041/5.43 5.221 ± 0.2573
6 1342 1342/1342 1342 ± 0.00002394 5.492 5.356/5.633 5.461 ± 0.3212
7 1342 1342/1342 1342 ± 0.00002394 5.479 5.277/5.635 5.418 ± 0.3056
8 1342 1342/1342 1342 ± 0.00002394 5.432 5.185/5.631 5.356 ± 0.3337
9 1342 1342/1342 1342 ± 0.00002422 5.683 5.375/5.832 5.607 ± 0.3348
10 1342 1342/1342 1342 ± 0.00002394 6.124 5.881/6.248 6.033 ± 0.3681
11 1342 1342/1342 1342 ± 0.00002394 6.32 6.13/6.506 6.271 ± 0.3714
12 1342 1342/1342 1342 ± 0.00002394 6.469 6.327/6.715 6.446 ± 0.397
13 1342 1342/1342 1342 ± 0.00002394 6.857 6.623/6.979 6.774 ± 0.3887
14 1342 1342/1342 1342 ± 0.00002394 6.94 6.644/7.157 6.839 ± 0.4772
15 1342 1342/1342 1342 ± 0.00002714 6.435 6.159/6.714 6.376 ± 0.5318
16 1342 1342/1342 1342 ± 0.00005996 4.142 4.024/4.304 4.158 ± 0.2219
17 1342 1342/1342 1342 ± 0.00006103 4.269 4.169/4.392 4.269 ± 0.1867
output_dir
 
vis
VLASS2.1.sb38469526.eb38577573.59079.23044392361_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-12-12 09:04:35.268
End
2024-12-12 09:54:53.966
Duration
0:50:18.698
Note, WebLog generation is not included in the time.

CASA logs for stage 8