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 5.177 5.008/6.064 5.464 ± 0.7252
ea02 1342 1342/1342 1342 ± 0.0000459 5.675 5.189/6.61 5.848 ± 0.8367
ea04 1342 1342/1342 1342 ± 0.00001735 5.473 4.986/5.912 5.456 ± 0.7189
ea05 1342 1342/1342 1342 ± 0.00001205 5.609 5.042/6.443 5.714 ± 0.7614
ea06 1342 1342/1342 1342 ± 0.00002755 4.939 4.648/5.4 4.956 ± 0.5454
ea07 1342 1342/1342 1342 ± 0.00002885 6.12 5.282/6.703 5.983 ± 0.7557
ea08 1342 1342/1342 1342 ± 0.00004451 5.615 5.369/6.769 5.999 ± 0.9965
ea09 1342 1342/1342 1342 ± 0.00002177 5.695 5.119/6.475 5.722 ± 0.7418
ea10 1342 1342/1342 1342 ± 0.00003796 5.652 5.073/6.638 5.825 ± 0.9059
ea11 1342 1342/1342 1342 ± 0.00004405 5.588 5.062/6.349 5.672 ± 0.877
ea12 1342 1342/1342 1342 ± 0.00003198 5.76 5.278/6.419 5.744 ± 0.8305
ea13 1342 1342/1342 1342 ± 0.00001004 6.26 5.345/6.335 5.961 ± 0.6954
ea14 1342 1342/1342 1342 ± 0.00004102 5.602 5.006/6.404 5.651 ± 0.9003
ea15 1342 1342/1342 1342 ± 0.0000101 5.19 4.991/6.179 5.551 ± 0.8403
ea16 1342 1342/1342 1342 ± 0.00002468 5.545 5.214/6.807 5.95 ± 1.046
ea17 1342 1342/1342 1342 ± 0.0000459 5.994 5.19/6.97 5.914 ± 0.954
ea18 1342 1342/1342 1342 ± 0.00004382 4.91 4.663/5.538 5.025 ± 0.6284
ea19 1342 1342/1342 1342 ± 0.00002764 5.858 5.509/6.726 6.056 ± 0.8882
ea20 1342 1342/1342 1342 ± 0.00004434 5.618 5.449/6.707 5.982 ± 0.9666
ea21 1342 1342/1342 1342 ± 0.0000333 5.454 5.265/6.317 5.681 ± 0.8245
ea22 1342 1342/1342 1342 ± 0.00003284 5.886 4.943/6.312 5.688 ± 0.7409
ea23 1342 1342/1342 1342 ± 0.00002948 6.154 5.486/6.96 6.162 ± 0.8259
ea25 1342 1342/1342 1342 ± 0.00003748 5.414 5.124/6.203 5.604 ± 0.7659
ea26 1342 1342/1342 1342 ± 0.00002029 5.802 5.659/6.976 6.132 ± 0.8203
ea27 1342 1342/1342 1342 ± 0.00003798 5.449 5.269/6.441 5.723 ± 0.7846
ea28 1342 1342/1342 1342 ± 0.00004502 5.583 5.341/6.507 5.831 ± 0.925
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 ± 0.00002416 5.37 5.093/5.593 5.343 ± 0.2964
5 1342 1342/1342 1342 ± 0.00004337 5.435 5.158/5.56 5.347 ± 0.2743
6 1342 1342/1342 1342 ± 0.00002408 5.283 5.003/5.352 5.209 ± 0.2775
7 1342 1342/1342 1342 ± 0.00002465 5.227 5.079/5.386 5.226 ± 0.2425
8 1342 1342/1342 1342 ± 0.00002448 5.158 5.012/5.324 5.171 ± 0.2521
9 1342 1342/1342 1342 ± 0.00002738 5.447 5.227/5.597 5.391 ± 0.2979
10 1342 1342/1342 1342 ± 0.00002348 5.992 5.899/6.163 5.972 ± 0.3113
11 1342 1342/1342 1342 ± 0.00002348 6.312 6.151/6.401 6.242 ± 0.3301
12 1342 1342/1342 1342 ± 0.00002348 6.474 6.289/6.648 6.423 ± 0.3618
13 1342 1342/1342 1342 ± 0.00002348 6.824 6.63/7.115 6.819 ± 0.3965
14 1342 1342/1342 1342 ± 0.00002348 7.111 6.88/7.289 7.035 ± 0.423
15 1342 1342/1342 1342 ± 0.00002356 6.468 6.193/6.775 6.431 ± 0.5089
16 1342 1342/1342 1342 ± 0.00005923 4.399 4.244/4.619 4.424 ± 0.2468
17 1342 1342/1342 1342 ± 0.00006021 4.469 4.324/4.642 4.509 ± 0.2826
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-02 21:32:50.739
End
2024-11-02 22:33:56.187
Duration
1:01:05.448
Note, WebLog generation is not included in the time.

CASA logs for stage 8