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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.511 5.105/6.186 5.568 ± 0.8026
ea02 1342 1342/1342 1342 ± 0.00004708 5.861 5.196/6.691 5.865 ± 0.9411
ea04 1342 1342/1342 1342 ± 0.00001637 5.444 4.979/6.094 5.486 ± 0.763
ea05 1342 1342/1342 1342 ± 0.0000282 5.943 5.098/6.42 5.767 ± 0.8372
ea06 1342 1342/1342 1342 ± 0.00002338 4.952 4.381/5.328 4.841 ± 0.5743
ea07 1342 1342/1342 1342 ± 0.00004242 5.907 5.291/6.415 5.875 ± 0.9321
ea08 1342 1342/1342 1342 ± 0.00004313 5.673 5.41/6.831 6.019 ± 1.028
ea09 1342 1342/1342 1342 ± 0.00002432 5.773 5.086/6.543 5.714 ± 0.8725
ea10 1342 1342/1342 1342 ± 0.00002857 5.893 5.303/6.848 6.023 ± 0.8581
ea11 1342 1342/1342 1342 ± 0.00004219 5.429 5.107/6.606 5.755 ± 0.9979
ea12 1342 1342/1342 1342 ± 0.00003649 5.875 5.282/6.68 5.833 ± 0.9916
ea13 1342 1342/1342 1342 ± 0.00001498 6.204 5.401/6.426 5.989 ± 0.7897
ea14 1342 1342/1342 1342 ± 0.00004224 5.591 5.269/6.547 5.825 ± 0.9023
ea15 1342 1342/1342 1342 ± 0.00001679 5.21 5.011/6.276 5.565 ± 0.8779
ea16 1342 1342/1342 1342 ± 0.00003869 6.134 5.581/6.95 6.168 ± 1.003
ea17 1342 1342/1342 1342 ± 0.00004286 5.707 5.467/7.099 5.952 ± 1.04
ea18 1342 1342/1342 1342 ± 0.00004203 5.18 4.698/5.785 5.143 ± 0.7132
ea19 1342 1342/1342 1342 ± 0.0000193 6.198 5.545/6.856 6.161 ± 0.9203
ea20 1342 1342/1342 1342 ± 0.00004097 5.944 5.445/7.027 6.079 ± 1.066
ea21 1342 1342/1342 1342 ± 0.0000396 5.82 5.353/6.504 5.808 ± 0.8622
ea22 1342 1342/1342 1342 ± 0.00003812 5.261 4.922/6.4 5.551 ± 0.844
ea23 1342 1342/1342 1342 ± 0.00004273 5.741 5.444/6.75 5.949 ± 0.9976
ea25 1342 1342/1342 1342 ± 0.00004223 5.476 5.199/6.424 5.642 ± 0.9101
ea26 1342 1342/1342 1342 ± 0.00002659 5.943 5.71/6.887 6.129 ± 0.9302
ea27 1342 1342/1342 1342 ± 0.00004207 5.582 5.142/6.655 5.717 ± 0.9091
ea28 1342 1342/1342 1342 ± 0.00004349 5.761 5.272/6.642 5.804 ± 0.9884
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 5.661 5.416/5.939 5.66 ± 0.3426
5 1342 1342/1342 1342 ± 0.00002707 5.808 5.422/5.907 5.688 ± 0.3732
6 1342 1342/1342 1342 ± 0.0000236 5.259 5.056/5.354 5.204 ± 0.2789
7 1342 1342/1342 1342 ± 0.0000236 5.283 5.109/5.445 5.263 ± 0.279
8 1342 1342/1342 1342 ± 0.0000236 5.32 5.1/5.432 5.268 ± 0.306
9 1342 1342/1342 1342 ± 0.0000236 5.452 5.232/5.654 5.428 ± 0.3761
10 1342 1342/1342 1342 ± 0.0000236 6.109 5.934/6.323 6.063 ± 0.3314
11 1342 1342/1342 1342 ± 0.0000236 6.457 6.252/6.519 6.355 ± 0.3508
12 1342 1342/1342 1342 ± 0.0000236 6.607 6.415/6.751 6.558 ± 0.385
13 1342 1342/1342 1342 ± 0.0000236 7.021 6.87/7.223 6.989 ± 0.4246
14 1342 1342/1342 1342 ± 0.0000236 7.229 6.954/7.4 7.128 ± 0.4698
15 1342 1342/1342 1342 ± 0.00002429 6.793 6.537/7.023 6.714 ± 0.4682
16 1342 1342/1342 1342 ± 0.00005376 4.197 4.058/4.365 4.204 ± 0.2067
17 1342 1342/1342 1342 ± 0.00005674 4.277 4.107/4.451 4.284 ± 0.2332
overwrite_modelcol
False
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2024-11-02 13:23:37.629
End
2024-11-02 14:19:41.128
Duration
0:56:03.499
Note, WebLog generation is not included in the time.

CASA logs for stage 8