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 5.52 5.272/6.293 5.742 ± 0.6981
ea02 1342 1342/1342 1342 ± 0.00004187 6.034 5.352/6.757 6.069 ± 0.8616
ea04 1342 1342/1342 1342 ± 0.00002079 5.371 5.072/6.184 5.629 ± 0.7176
ea05 1342 1342/1342 1342 ± 0.00000333 5.788 5.28/6.681 6.015 ± 0.7686
ea06 1342 1342/1342 1342 ± 0.00003686 5.128 4.762/5.472 5.073 ± 0.4923
ea07 1342 1342/1342 1342 ± 0.00004394 5.851 5.522/6.443 5.976 ± 0.8682
ea08 1342 1342/1342 1342 ± 0.00004342 6.267 5.498/7.008 6.238 ± 0.9531
ea09 1342 1342/1342 1342 ± 0.00001678 5.592 5.234/6.516 5.857 ± 0.7098
ea10 1342 1342/1342 1342 ± 0.00004338 5.569 5.163/6.466 5.734 ± 0.7803
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002979 5.744 5.306/6.597 5.918 ± 0.828
ea13 1342 1342/1342 1342 ± 0.000007097 6.403 5.608/6.774 6.183 ± 0.6608
ea14 1342 1342/1342 1342 ± 0.00001912 5.654 5.448/6.705 5.992 ± 0.8457
ea15 1342 1342/1342 1342 ± 0.00001392 5.626 5.174/6.347 5.795 ± 0.8035
ea16 1342 1342/1342 1342 ± 0.000008263 5.91 5.533/6.902 6.166 ± 0.8973
ea17 1342 1342/1342 1342 ± 0.000044 5.96 5.639/7.021 6.226 ± 0.8977
ea18 1342 1342/1342 1342 ± 0.00004122 5.147 4.908/5.824 5.299 ± 0.6187
ea19 1342 1342/1342 1342 ± 0.000004255 5.88 5.713/6.921 6.222 ± 0.8107
ea20 1342 1342/1342 1342 ± 0.00003445 6.072 5.756/6.913 6.245 ± 0.9275
ea21 1342 1342/1342 1342 ± 0.0000167 5.727 5.492/6.542 5.917 ± 0.7606
ea22 1342 1342/1342 1342 ± 0.00002677 5.481 5.114/6.314 5.757 ± 0.7414
ea23 1342 1342/1342 1342 ± 0.00004297 5.771 5.563/6.806 6.073 ± 0.9459
ea25 1342 1342/1342 1342 ± 0.00004393 5.496 5.429/6.358 5.84 ± 0.7797
ea26 1342 1342/1342 1342 ± 0.00001811 5.633 5.518/6.658 6.008 ± 0.7032
ea27 1342 1342/1342 1342 ± 0.00004341 5.639 5.291/6.647 5.911 ± 0.7899
ea28 1342 1342/1342 1342 ± 0.00004343 5.793 5.563/6.788 6.042 ± 0.8702
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 ± 0.00002407 5.502 5.173/5.621 5.446 ± 0.2784
5 1342 1342/1342 1342 ± 0.00003402 5.611 5.439/5.736 5.559 ± 0.2682
6 1342 1342/1342 1342 ± 0.00002432 5.517 5.31/5.645 5.474 ± 0.2433
7 1342 1342/1342 1342 ± 0.00002458 5.484 5.211/5.62 5.44 ± 0.2477
8 1342 1342/1342 1342 ± 0.00002458 5.457 5.213/5.548 5.391 ± 0.2684
9 1342 1342/1342 1342 ± 0.00002705 5.643 5.458/5.838 5.615 ± 0.307
10 1342 1342/1342 1342 ± 0.00002407 6.24 6.058/6.352 6.158 ± 0.3298
11 1342 1342/1342 1342 ± 0.00002407 6.442 6.308/6.632 6.408 ± 0.3517
12 1342 1342/1342 1342 ± 0.00002407 6.594 6.436/6.793 6.589 ± 0.3699
13 1342 1342/1342 1342 ± 0.00002407 7.044 6.947/7.34 7.043 ± 0.4027
14 1342 1342/1342 1342 ± 0.00002407 7.256 7.056/7.495 7.209 ± 0.4505
15 1342 1342/1342 1342 ± 0.00002413 6.637 6.415/6.905 6.588 ± 0.4569
16 1342 1342/1342 1342 ± 0.00006016 4.637 4.468/4.817 4.635 ± 0.2333
17 1342 1342/1342 1342 ± 0.0000609 4.923 4.747/5.186 4.946 ± 0.3067
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38469526.eb38577573.59079.23044392361_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-12 11:46:45.433
End
2024-12-12 12:27:07.336
Duration
0:40:21.904
Note, WebLog generation is not included in the time.

CASA logs for stage 8