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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.698 5.62/6.483 6.035 ± 0.6609
ea02 1342 1342/1342 1342 ± 0.0000415 6.186 5.758/6.914 6.371 ± 0.6973
ea03 1342 1342/1342 1342 ± 0 5.789 5.045/6.261 5.698 ± 0.6509
ea04 1342 1342/1342 1342 ± 0 5.891 5.389/6.521 5.946 ± 0.6628
ea05 1342 1342/1342 1342 ± 0 6.162 5.662/6.835 6.153 ± 0.7442
ea06 1342 1342/1342 1342 ± 0 5.129 4.917/5.518 5.168 ± 0.4337
ea07 1342 1342/1342 1342 ± 0 6.241 5.801/6.678 6.338 ± 0.7134
ea08 1342 1342/1342 1342 ± 0 6.19 5.832/7.101 6.461 ± 0.7675
ea09 1342 1342/1342 1342 ± 0 6.062 5.503/6.794 6.12 ± 0.736
ea10 1342 1342/1342 1342 ± 0 6.247 5.653/7.052 6.293 ± 0.747
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.267 5.616/6.76 6.265 ± 0.7725
ea13 1342 1342/1342 1342 ± 0 6.621 6.044/6.693 6.435 ± 0.6565
ea14 1342 1342/1342 1342 ± 0 5.912 5.507/6.695 6.09 ± 0.7225
ea15 1342 1342/1342 1342 ± 0 6.327 5.741/6.842 6.369 ± 0.7737
ea16 1342 1342/1342 1342 ± 0 6.359 5.925/7.08 6.423 ± 0.802
ea17 1342 1342/1342 1342 ± 0 6.516 6.192/7.565 6.795 ± 0.7066
ea18 1342 1342/1342 1342 ± 0 5.38 4.933/5.836 5.395 ± 0.5927
ea19 1342 1342/1342 1342 ± 0 6.15 5.703/6.898 6.269 ± 0.6524
ea20 1342 1342/1342 1342 ± 0 6.339 5.725/6.93 6.281 ± 0.7535
ea21 1342 1342/1342 1342 ± 0 5.917 5.696/6.729 6.121 ± 0.6785
ea22 1342 1342/1342 1342 ± 0 5.982 5.503/6.516 6.002 ± 0.6352
ea23 1342 1342/1342 1342 ± 0 6.083 5.787/6.924 6.316 ± 0.7872
ea24 1342 1342/1342 1342 ± 0 6.163 5.779/6.972 6.292 ± 0.7286
ea25 1342 1342/1342 1342 ± 0 5.926 5.556/6.621 6.066 ± 0.6585
ea26 1342 1342/1342 1342 ± 0 6.721 6.164/7.377 6.711 ± 0.7527
ea27 1342 1342/1342 1342 ± 0 5.89 5.68/6.877 6.139 ± 0.6884
ea28 1342 1342/1342 1342 ± 0 5.773 5.549/6.601 6.04 ± 0.6913
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 ± 0.00002321 5.702 5.419/5.821 5.612 ± 0.3213
4 1342 1342/1342 1342 ± 0.00002509 4.9 4.726/4.956 4.827 ± 0.2479
5 1342 1342/1342 1342 ± 0.00002321 5.693 5.49/5.94 5.674 ± 0.3761
6 1342 1342/1342 1342 ± 0.00002321 5.627 5.482/5.843 5.604 ± 0.3331
7 1342 1342/1342 1342 ± 0.00002321 5.655 5.556/5.775 5.643 ± 0.3074
8 1342 1342/1342 1342 ± 0.00002321 5.592 5.466/5.76 5.57 ± 0.3417
9 1342 1342/1342 1342 ± 0.00002321 5.892 5.626/6.203 5.86 ± 0.3824
10 1342 1342/1342 1342 ± 0.00002321 6.381 6.189/6.614 6.343 ± 0.3589
11 1342 1342/1342 1342 ± 0.00002321 6.648 6.422/6.804 6.573 ± 0.3768
12 1342 1342/1342 1342 ± 0.00002321 6.758 6.607/6.933 6.74 ± 0.4169
13 1342 1342/1342 1342 ± 0.00002321 7.254 7.141/7.387 7.194 ± 0.438
14 1342 1342/1342 1342 ± 0.00002321 7.436 7.26/7.733 7.396 ± 0.4811
15 1342 1342/1342 1342 ± 0.00002321 7.002 6.831/7.293 6.97 ± 0.466
16 1342 1342/1342 1342 ± 0.00002364 6.138 5.901/6.371 6.157 ± 0.3836
17 1342 1342/1342 1342 ± 0.00002364 6.247 6.025/6.444 6.218 ± 0.3683
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 06:05:17.710
End
2025-01-11 07:26:46.502
Duration
1:21:28.793
Note, WebLog generation is not included in the time.

CASA logs for stage 8