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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.183 5.096/5.584 5.373 ± 0.5069
ea02 1342 1342/1342 1342 ± 0.000003874 5.697 5.287/6.179 5.765 ± 0.6334
ea04 1342 1342/1342 1342 ± 0.000001468 5.125 4.776/5.625 5.209 ± 0.4774
ea05 1342 1342/1342 1342 ± 0 5.541 5.066/6.022 5.496 ± 0.5268
ea06 1342 1342/1342 1342 ± 0 4.93 4.674/5.459 5.063 ± 0.4719
ea07 1342 1342/1342 1342 ± 0.00002493 5.554 5.187/5.862 5.631 ± 0.5216
ea08 1342 1342/1342 1342 ± 0.00002473 5.564 5.277/6.211 5.748 ± 0.6341
ea09 1342 1342/1342 1342 ± 0 5.573 5.063/6.139 5.574 ± 0.5774
ea10 1342 1342/1342 1342 ± 0.00003927 5.436 5.089/6.21 5.598 ± 0.5991
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.603 5.095/6.049 5.649 ± 0.5688
ea13 1342 1342/1342 1342 ± 0 5.916 5.576/6.08 5.946 ± 0.4623
ea14 1342 1342/1342 1342 ± 0 5.424 5.103/5.979 5.57 ± 0.5675
ea15 1342 1342/1342 1342 ± 0 5.327 4.944/5.908 5.493 ± 0.5975
ea16 1342 1342/1342 1342 ± 0 5.904 5.439/6.388 5.948 ± 0.6224
ea17 1342 1342/1342 1342 ± 0.00001159 5.48 5.337/6.09 5.715 ± 0.581
ea18 1342 1342/1342 1342 ± 0.000003632 4.831 4.486/5.269 4.861 ± 0.4789
ea19 1342 1342/1342 1342 ± 0 5.887 5.418/6.429 5.952 ± 0.5622
ea20 1342 1342/1342 1342 ± 0 5.99 5.438/6.424 5.933 ± 0.5763
ea21 1342 1342/1342 1342 ± 0 5.331 5.157/5.888 5.534 ± 0.4616
ea22 1342 1342/1342 1342 ± 0 5.33 5.152/6.049 5.565 ± 0.5989
ea23 1342 1342/1342 1342 ± 0.000005906 5.52 5.265/6.23 5.75 ± 0.6046
ea25 1342 1342/1342 1342 ± 0.000008797 5.198 5.01/5.721 5.376 ± 0.5172
ea26 1342 1342/1342 1342 ± 0 5.776 5.542/6.369 5.963 ± 0.6267
ea27 1342 1342/1342 1342 ± 0.00004191 5.181 5.07/5.995 5.421 ± 0.5612
ea28 1342 1342/1342 1342 ± 0.00004014 5.336 5.16/6.155 5.585 ± 0.5916
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 ± 0.00002397 5.182 5.101/5.524 5.258 ± 0.2763
3 1342 1342/1342 1342 ± 0.00002855 4.821 4.661/5.07 4.876 ± 0.3548
4 1342 1342/1342 1342 ± 0.00002651 5.181 4.93/5.345 5.104 ± 0.3094
5 1342 1342/1342 1342 ± 0.00002397 5.169 4.965/5.355 5.17 ± 0.3253
6 1342 1342/1342 1342 ± 0.00002397 5.107 5.011/5.305 5.125 ± 0.2849
7 1342 1342/1342 1342 ± 0.00002397 5.135 5.08/5.284 5.152 ± 0.2526
8 1342 1342/1342 1342 ± 0.00002397 5.142 4.876/5.291 5.067 ± 0.2882
9 1342 1342/1342 1342 ± 0.00002397 5.335 5.18/5.587 5.316 ± 0.3115
10 1342 1342/1342 1342 ± 0.00002397 5.715 5.591/5.915 5.703 ± 0.2949
11 1342 1342/1342 1342 ± 0.00002397 5.948 5.761/6.059 5.893 ± 0.2945
12 1342 1342/1342 1342 ± 0.00002397 6.065 5.867/6.244 6.059 ± 0.3266
13 1342 1342/1342 1342 ± 0.00002397 6.49 6.384/6.634 6.468 ± 0.3304
14 1342 1342/1342 1342 ± 0.00002397 6.631 6.427/6.967 6.647 ± 0.3632
15 1342 1342/1342 1342 ± 0.00002397 6.438 6.167/6.658 6.339 ± 0.3946
16 1342 1342/1342 1342 ± 0.00004596 5.47 5.297/5.893 5.549 ± 0.3334
17 1342 1342/1342 1342 ± 0.00004864 5.495 5.282/5.927 5.564 ± 0.3231
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-30 23:43:26.363
End
2024-12-31 00:15:09.483
Duration
0:31:43.120
Note, WebLog generation is not included in the time.

CASA logs for stage 8