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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.465 5.377/6.216 5.644 ± 0.7712
ea02 1342 1342/1342 1342 ± 0.000038 6.078 5.473/6.772 5.994 ± 0.9818
ea04 1342 1342/1342 1342 ± 0.00004066 5.5 5.127/6.163 5.428 ± 0.8331
ea05 1342 1342/1342 1342 ± 0.00002527 5.474 5.126/6.364 5.653 ± 0.788
ea06 1342 1342/1342 1342 ± 0.0000424 5.186 4.91/5.825 5.157 ± 0.7494
ea07 1342 1342/1342 1342 ± 0.00003875 5.9 5.391/6.29 5.784 ± 0.8324
ea09 1342 1342/1342 1342 ± 0.00003636 5.531 5.115/6.01 5.401 ± 0.7826
ea10 1342 1342/1342 1342 ± 0.00003667 5.299 4.824/5.936 5.283 ± 0.6924
ea11 1342 1342/1342 1342 ± 0.00003854 6.083 5.489/6.7 5.907 ± 0.9115
ea12 1342 1342/1342 1342 ± 0.00004243 5.926 5.501/6.72 5.86 ± 1.001
ea13 1342 1342/1342 1342 ± 0.00002465 5.802 5.649/6.33 5.867 ± 0.8494
ea14 1342 1342/1342 1342 ± 0.00003567 5.8 5.386/6.708 5.929 ± 0.9073
ea15 1342 1342/1342 1342 ± 0.00003887 5.774 5.437/6.57 5.751 ± 1.011
ea16 1342 1342/1342 1342 ± 0.00003473 5.939 5.513/6.864 5.997 ± 0.9908
ea17 1342 1342/1342 1342 ± 0.00003997 6.043 5.574/6.949 6.062 ± 0.9339
ea18 1342 1342/1342 1342 ± 0.00003858 5.128 4.919/5.725 5.136 ± 0.7176
ea19 1342 1342/1342 1342 ± 0.0000118 5.796 5.515/6.681 5.968 ± 0.8354
ea20 1342 1342/1342 1342 ± 0.00004055 6.161 5.854/7.053 6.21 ± 1.027
ea21 1342 1342/1342 1342 ± 0.00003288 5.613 5.309/6.392 5.701 ± 0.8183
ea22 1342 1342/1342 1342 ± 0.00004266 5.513 5.227/6.544 5.681 ± 0.9958
ea23 1342 1342/1342 1342 ± 0.00003734 5.987 5.534/6.724 5.974 ± 0.9959
ea24 1342 1342/1342 1342 ± 0.00002359 5.28 4.833/6.1 5.378 ± 0.778
ea25 1342 1342/1342 1342 ± 0.00003896 5.78 5.363/6.509 5.74 ± 0.8505
ea26 1342 1342/1342 1342 ± 0.00003775 5.879 5.632/6.863 5.98 ± 0.9939
ea27 1342 1342/1342 1342 ± 0.00003786 5.736 5.403/6.61 5.806 ± 0.8525
ea28 1342 1342/1342 1342 ± 0.00004001 5.877 5.571/6.791 5.991 ± 0.981
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 ± 0.0000236 5.502 5.304/5.695 5.475 ± 0.3278
3 1342 1342/1342 1342 ± 0.00004883 5.373 5.129/5.965 5.521 ± 0.464
5 1342 1342/1342 1342 ± 0.0000236 5.385 5.157/5.555 5.366 ± 0.3501
6 1342 1342/1342 1342 ± 0.0000236 5.411 5.126/5.579 5.369 ± 0.2691
7 1342 1342/1342 1342 ± 0.0000236 5.477 5.248/5.596 5.411 ± 0.2841
8 1342 1342/1342 1342 ± 0.0000236 5.442 5.127/5.574 5.381 ± 0.3237
9 1342 1342/1342 1342 ± 0.0000236 5.762 5.426/5.902 5.676 ± 0.3152
10 1342 1342/1342 1342 ± 0.0000236 6.158 5.901/6.265 6.079 ± 0.2942
11 1342 1342/1342 1342 ± 0.0000236 6.471 6.093/6.607 6.372 ± 0.3035
12 1342 1342/1342 1342 ± 0.0000236 6.542 6.287/6.77 6.547 ± 0.3448
13 1342 1342/1342 1342 ± 0.0000236 6.825 6.487/7.106 6.768 ± 0.4188
14 1342 1342/1342 1342 ± 0.00002568 6.836 6.406/7.074 6.728 ± 0.4958
15 1342 1342/1342 1342 ± 0.00002904 6.806 6.273/7.084 6.698 ± 0.4711
16 1342 1342/1342 1342 ± 0.00004985 3.904 3.741/4.079 3.916 ± 0.2752
17 1342 1342/1342 1342 ± 0.00005114 3.984 3.713/4.321 4.046 ± 0.448
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2024-05-17 18:41:13.932
End
2024-05-17 19:32:33.347
Duration
0:51:19.415
Note, WebLog generation is not included in the time.

CASA logs for stage 8