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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.189 5.044/6.039 5.468 ± 0.7362
ea02 1342 1342/1342 1342 ± 0.00004557 5.809 5.221/6.576 5.875 ± 0.8453
ea04 1342 1342/1342 1342 ± 0.00002371 5.322 4.91/5.857 5.377 ± 0.6915
ea05 1342 1342/1342 1342 ± 0.00001012 5.401 5.024/6.324 5.651 ± 0.7525
ea06 1342 1342/1342 1342 ± 0.00001891 4.781 4.55/5.404 4.917 ± 0.5866
ea07 1342 1342/1342 1342 ± 0.00004177 5.766 5.239/6.216 5.747 ± 0.8514
ea08 1342 1342/1342 1342 ± 0.00004359 5.907 5.412/6.738 6.009 ± 0.9479
ea09 1342 1342/1342 1342 ± 0.00002361 5.489 5.044/6.408 5.655 ± 0.7354
ea10 1342 1342/1342 1342 ± 0.00004286 5.66 5.076/6.593 5.739 ± 0.9131
ea11 1342 1342/1342 1342 ± 0.00004324 5.593 4.997/6.278 5.596 ± 0.8476
ea12 1342 1342/1342 1342 ± 0.00002917 5.523 5.238/6.388 5.693 ± 0.8238
ea13 1342 1342/1342 1342 ± 0.00001167 5.677 5.539/6.258 5.896 ± 0.6386
ea14 1342 1342/1342 1342 ± 0.00003716 5.499 5.13/6.348 5.653 ± 0.8633
ea15 1342 1342/1342 1342 ± 0.000002123 5.293 4.983/6.123 5.494 ± 0.8264
ea16 1342 1342/1342 1342 ± 0.00002233 5.842 5.383/6.783 5.969 ± 0.9906
ea17 1342 1342/1342 1342 ± 0.00004399 5.754 5.182/6.793 5.855 ± 0.937
ea18 1342 1342/1342 1342 ± 0.00004365 4.767 4.587/5.566 4.967 ± 0.6115
ea19 1342 1342/1342 1342 ± 0.00002116 5.715 5.464/6.756 5.982 ± 0.837
ea20 1342 1342/1342 1342 ± 0.00004276 5.821 5.627/6.691 6.011 ± 0.9027
ea21 1342 1342/1342 1342 ± 0.00002826 5.487 5.166/6.272 5.618 ± 0.7855
ea22 1342 1342/1342 1342 ± 0.00003369 5.318 4.856/6.354 5.606 ± 0.7411
ea23 1342 1342/1342 1342 ± 0.00004315 5.658 5.256/6.512 5.795 ± 0.965
ea25 1342 1342/1342 1342 ± 0.00004399 5.405 5.023/6.173 5.496 ± 0.792
ea26 1342 1342/1342 1342 ± 0.00002424 5.802 5.493/6.886 6.049 ± 0.7988
ea27 1342 1342/1342 1342 ± 0.00004324 5.411 5.001/6.358 5.562 ± 0.8005
ea28 1342 1342/1342 1342 ± 0.00004409 5.535 5.254/6.446 5.771 ± 0.8879
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 ± 0.00002349 5.176 5.022/5.513 5.236 ± 0.2939
5 1342 1342/1342 1342 ± 0.00003453 5.428 5.216/5.651 5.427 ± 0.3797
6 1342 1342/1342 1342 ± 0.00002349 5.231 4.983/5.41 5.174 ± 0.2895
7 1342 1342/1342 1342 ± 0.00002349 5.23 5.06/5.419 5.22 ± 0.269
8 1342 1342/1342 1342 ± 0.00002349 5.246 5.01/5.349 5.176 ± 0.2841
9 1342 1342/1342 1342 ± 0.00002349 5.494 5.319/5.754 5.473 ± 0.3175
10 1342 1342/1342 1342 ± 0.00002349 5.953 5.85/6.14 5.937 ± 0.3077
11 1342 1342/1342 1342 ± 0.00002349 6.258 6.095/6.383 6.197 ± 0.3266
12 1342 1342/1342 1342 ± 0.00002349 6.405 6.213/6.579 6.377 ± 0.3568
13 1342 1342/1342 1342 ± 0.00002349 6.778 6.586/7.015 6.766 ± 0.3794
14 1342 1342/1342 1342 ± 0.00002349 6.985 6.824/7.274 6.975 ± 0.4109
15 1342 1342/1342 1342 ± 0.00002397 6.473 6.206/6.807 6.451 ± 0.4872
16 1342 1342/1342 1342 ± 0.00005893 4.334 4.182/4.557 4.377 ± 0.2513
17 1342 1342/1342 1342 ± 0.00005961 4.369 4.233/4.639 4.442 ± 0.2873
datacolumn
residual_data
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-02 16:22:22.199
End
2024-11-02 17:23:33.649
Duration
1:01:11.450
Note, WebLog generation is not included in the time.

CASA logs for stage 8