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 5.166 5.084/5.628 5.373 ± 0.5138
ea02 1342 1342/1342 1342 ± 0.000005221 5.602 5.295/6.186 5.767 ± 0.6355
ea04 1342 1342/1342 1342 ± 0 5.134 4.8/5.603 5.238 ± 0.4749
ea05 1342 1342/1342 1342 ± 0 5.459 5.079/5.868 5.501 ± 0.5315
ea06 1342 1342/1342 1342 ± 0 5.014 4.719/5.55 5.148 ± 0.4991
ea07 1342 1342/1342 1342 ± 0.00003045 5.597 5.231/5.894 5.676 ± 0.5299
ea08 1342 1342/1342 1342 ± 0.00003124 5.601 5.236/6.295 5.772 ± 0.6511
ea09 1342 1342/1342 1342 ± 0 5.491 5.045/5.967 5.545 ± 0.5711
ea10 1342 1342/1342 1342 ± 0.00004035 5.484 5.093/6.185 5.617 ± 0.6051
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.561 5.137/6.068 5.675 ± 0.5875
ea13 1342 1342/1342 1342 ± 0 5.907 5.622/6.09 5.96 ± 0.4593
ea14 1342 1342/1342 1342 ± 0 5.456 5.101/5.994 5.574 ± 0.561
ea15 1342 1342/1342 1342 ± 0 5.36 4.983/5.925 5.535 ± 0.6019
ea16 1342 1342/1342 1342 ± 0 5.925 5.476/6.444 5.989 ± 0.6221
ea17 1342 1342/1342 1342 ± 0.000007096 5.492 5.342/6.104 5.719 ± 0.5788
ea18 1342 1342/1342 1342 ± 0.000001169 4.739 4.505/5.224 4.858 ± 0.488
ea19 1342 1342/1342 1342 ± 0 5.803 5.438/6.32 5.963 ± 0.5555
ea20 1342 1342/1342 1342 ± 0 5.847 5.513/6.367 5.945 ± 0.5696
ea21 1342 1342/1342 1342 ± 0 5.358 5.173/5.887 5.555 ± 0.4715
ea22 1342 1342/1342 1342 ± 0 5.331 5.134/6.069 5.58 ± 0.6084
ea23 1342 1342/1342 1342 ± 0.00001597 5.528 5.312/6.075 5.756 ± 0.5946
ea25 1342 1342/1342 1342 ± 0.000003504 5.179 5.03/5.745 5.389 ± 0.5056
ea26 1342 1342/1342 1342 ± 0 5.784 5.537/6.402 5.983 ± 0.6212
ea27 1342 1342/1342 1342 ± 0.00004182 5.237 5.133/6.031 5.468 ± 0.5469
ea28 1342 1342/1342 1342 ± 0.00003995 5.332 5.122/6.083 5.588 ± 0.5992
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 ± 0.00002393 5.224 5.118/5.522 5.283 ± 0.2764
3 1342 1342/1342 1342 ± 0.00002485 4.893 4.74/5.119 4.939 ± 0.3333
4 1342 1342/1342 1342 ± 0.00002584 5.134 4.88/5.329 5.09 ± 0.343
5 1342 1342/1342 1342 ± 0.00002393 5.188 4.959/5.339 5.17 ± 0.3243
6 1342 1342/1342 1342 ± 0.00002393 5.119 4.99/5.315 5.129 ± 0.275
7 1342 1342/1342 1342 ± 0.00002393 5.173 5.043/5.279 5.163 ± 0.2536
8 1342 1342/1342 1342 ± 0.00002393 5.162 4.921/5.303 5.098 ± 0.2777
9 1342 1342/1342 1342 ± 0.00002393 5.35 5.216/5.602 5.346 ± 0.3113
10 1342 1342/1342 1342 ± 0.00002393 5.739 5.607/5.932 5.724 ± 0.2945
11 1342 1342/1342 1342 ± 0.00002393 5.968 5.811/6.11 5.925 ± 0.2887
12 1342 1342/1342 1342 ± 0.00002393 6.12 5.907/6.265 6.089 ± 0.3204
13 1342 1342/1342 1342 ± 0.00002393 6.493 6.387/6.659 6.488 ± 0.3191
14 1342 1342/1342 1342 ± 0.00002393 6.682 6.473/6.994 6.676 ± 0.3578
15 1342 1342/1342 1342 ± 0.00002393 6.458 6.186/6.627 6.363 ± 0.3809
16 1342 1342/1342 1342 ± 0.00004958 5.475 5.254/5.897 5.557 ± 0.347
17 1342 1342/1342 1342 ± 0.00004939 5.527 5.312/5.931 5.575 ± 0.3316
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
output_dir
 
Start time
2024-12-31 04:45:13.811
End
2024-12-31 05:40:36.339
Duration
0:55:22.528
Note, WebLog generation is not included in the time.

CASA logs for stage 8