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 5.432 5.331/6.269 5.666 ± 0.7913
ea02 1342 1342/1342 1342 ± 0.00003755 6.06 5.449/6.777 6.011 ± 0.9908
ea04 1342 1342/1342 1342 ± 0.00004302 5.471 5.134/6.205 5.475 ± 0.8537
ea05 1342 1342/1342 1342 ± 0.00002985 5.463 5.104/6.506 5.659 ± 0.9643
ea06 1342 1342/1342 1342 ± 0.00004274 5.173 4.871/5.809 5.148 ± 0.7921
ea07 1342 1342/1342 1342 ± 0.00003712 5.889 5.371/6.285 5.825 ± 0.8434
ea09 1342 1342/1342 1342 ± 0.00003207 5.512 5.099/6.186 5.415 ± 0.8397
ea10 1342 1342/1342 1342 ± 0.00003592 5.269 4.813/5.946 5.311 ± 0.7198
ea11 1342 1342/1342 1342 ± 0.00003824 6.076 5.478/6.678 5.96 ± 0.8879
ea12 1342 1342/1342 1342 ± 0.00004198 5.859 5.545/6.724 5.906 ± 0.9985
ea13 1342 1342/1342 1342 ± 0.00001971 5.747 5.599/6.331 5.882 ± 0.9092
ea14 1342 1342/1342 1342 ± 0.00003885 5.726 5.407/6.691 5.935 ± 0.9848
ea15 1342 1342/1342 1342 ± 0.00004252 5.751 5.434/6.565 5.812 ± 1.012
ea16 1342 1342/1342 1342 ± 0.00003658 5.925 5.5/6.857 6.042 ± 1.134
ea17 1342 1342/1342 1342 ± 0.00003879 6.029 5.505/6.928 6.085 ± 0.9482
ea18 1342 1342/1342 1342 ± 0.00003923 5.103 4.9/5.797 5.201 ± 0.6485
ea19 1342 1342/1342 1342 ± 0.00002 5.769 5.517/6.871 5.97 ± 1.03
ea20 1342 1342/1342 1342 ± 0.00004054 6.125 6.013/7.088 6.241 ± 1.038
ea21 1342 1342/1342 1342 ± 0.00003594 5.61 5.306/6.404 5.734 ± 0.9511
ea22 1342 1342/1342 1342 ± 0.000041 5.517 5.198/6.538 5.693 ± 1.015
ea23 1342 1342/1342 1342 ± 0.00003717 5.968 5.554/6.711 6.034 ± 0.9901
ea24 1342 1342/1342 1342 ± 0.00002036 5.28 4.817/6.248 5.423 ± 0.8593
ea25 1342 1342/1342 1342 ± 0.00003746 5.739 5.329/6.49 5.759 ± 0.8316
ea26 1342 1342/1342 1342 ± 0.00003353 5.865 5.703/6.867 6.014 ± 1.056
ea27 1342 1342/1342 1342 ± 0.00003769 5.722 5.397/6.609 5.838 ± 0.8333
ea28 1342 1342/1342 1342 ± 0.00003858 5.803 5.533/6.753 6.023 ± 0.9043
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 ± 0.00002369 5.464 5.299/5.672 5.434 ± 0.3205
5 1342 1342/1342 1342 ± 0.00002353 5.384 5.133/5.518 5.342 ± 0.3316
6 1342 1342/1342 1342 ± 0.00002369 5.396 5.13/5.533 5.349 ± 0.2635
7 1342 1342/1342 1342 ± 0.00002369 5.436 5.225/5.571 5.392 ± 0.2778
8 1342 1342/1342 1342 ± 0.00002369 5.432 5.116/5.527 5.37 ± 0.3181
9 1342 1342/1342 1342 ± 0.00002369 5.724 5.389/5.887 5.655 ± 0.3076
10 1342 1342/1342 1342 ± 0.00002369 6.159 5.894/6.259 6.078 ± 0.2911
11 1342 1342/1342 1342 ± 0.00002369 6.464 6.109/6.583 6.355 ± 0.2971
12 1342 1342/1342 1342 ± 0.00002369 6.534 6.281/6.75 6.546 ± 0.3359
13 1342 1342/1342 1342 ± 0.00002396 6.797 6.488/7.051 6.724 ± 0.4263
14 1342 1342/1342 1342 ± 0.00002442 7.023 6.598/7.279 6.925 ± 0.4926
15 1342 1342/1342 1342 ± 0.00003613 6.812 6.559/7.076 6.74 ± 0.4848
16 1342 1342/1342 1342 ± 0.00005128 3.835 3.702/3.982 3.841 ± 0.2309
17 1342 1342/1342 1342 ± 0.00004863 3.919 3.718/4.134 3.936 ± 0.3261
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-02-08 15:17:57.010
End
2025-02-08 16:23:52.197
Duration
1:05:55.186
Note, WebLog generation is not included in the time.

CASA logs for stage 8