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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.278 5.056/5.945 5.424 ± 0.5759
ea02 1342 1342/1342 1342 ± 0.0000398 5.825 5.276/6.551 5.807 ± 0.7485
ea03 1342 1342/1342 1342 ± 0.00001737 4.99 4.586/5.792 5.155 ± 0.6619
ea04 1342 1342/1342 1342 ± 0.00003506 5.216 5.019/6.044 5.372 ± 0.7266
ea05 1342 1342/1342 1342 ± 0.00002357 5.408 5.191/6.191 5.6 ± 0.6776
ea06 1342 1342/1342 1342 ± 0.0000349 5.032 4.832/5.56 5.081 ± 0.5717
ea07 1342 1342/1342 1342 ± 0.00003835 5.766 5.301/6.176 5.73 ± 0.71
ea08 1342 1342/1342 1342 ± 0.00003876 6.019 5.489/6.807 6.055 ± 0.8045
ea09 1342 1342/1342 1342 ± 0.00002494 5.438 5.127/6.397 5.572 ± 0.7283
ea10 1342 1342/1342 1342 ± 0.00003444 5.732 5.141/6.522 5.736 ± 0.7718
ea11 1342 1342/1342 1342 ± 0.00004035 5.679 5.007/6.294 5.571 ± 0.7373
ea12 1342 1342/1342 1342 ± 0.00003644 5.42 5.137/6.34 5.602 ± 0.7853
ea13 1342 1342/1342 1342 ± 0.00002073 5.798 5.619/6.514 5.96 ± 0.7319
ea14 1342 1342/1342 1342 ± 0.00002886 5.503 5.087/6.321 5.632 ± 0.7664
ea15 1342 1342/1342 1342 ± 0.00003004 5.215 5.071/6.256 5.544 ± 0.882
ea16 1342 1342/1342 1342 ± 0.00002447 5.865 5.441/6.709 5.98 ± 0.8536
ea17 1342 1342/1342 1342 ± 0.00004516 6.02 5.556/6.868 6.085 ± 0.805
ea18 1342 1342/1342 1342 ± 0.00004039 4.783 4.498/5.474 4.879 ± 0.5266
ea19 1342 1342/1342 1342 ± 0.00002129 5.463 5.264/6.307 5.727 ± 0.6883
ea21 1342 1342/1342 1342 ± 0.00002185 5.519 5.269/6.286 5.696 ± 0.6859
ea22 1342 1342/1342 1342 ± 0.00003468 5.411 4.981/6.372 5.601 ± 0.7444
ea23 1342 1342/1342 1342 ± 0.00003463 5.762 5.282/6.486 5.819 ± 0.7954
ea25 1342 1342/1342 1342 ± 0.00004247 5.531 5.126/6.201 5.556 ± 0.681
ea26 1342 1342/1342 1342 ± 0.00002577 5.814 5.466/6.801 5.93 ± 0.8059
ea27 1342 1342/1342 1342 ± 0.00004205 5.49 5.062/6.341 5.62 ± 0.697
ea28 1342 1342/1342 1342 ± 0.0000408 5.374 5.109/6.186 5.547 ± 0.6538
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 ± 0.00002348 5.156 5.054/5.369 5.168 ± 0.2409
3 1342 1342/1342 1342 ± 0.00006093 5.115 4.796/5.574 5.212 ± 0.6228
5 1342 1342/1342 1342 ± 0.00002352 5.188 5.01/5.384 5.193 ± 0.3243
6 1342 1342/1342 1342 ± 0.00002348 5.193 5.017/5.355 5.189 ± 0.2919
7 1342 1342/1342 1342 ± 0.00002348 5.175 5.105/5.307 5.207 ± 0.2487
8 1342 1342/1342 1342 ± 0.00002348 5.226 5.028/5.4 5.199 ± 0.2786
9 1342 1342/1342 1342 ± 0.00002348 5.504 5.377/5.777 5.518 ± 0.3107
10 1342 1342/1342 1342 ± 0.00002348 5.926 5.764/6.115 5.892 ± 0.3107
11 1342 1342/1342 1342 ± 0.00002348 6.224 6.072/6.371 6.171 ± 0.3073
12 1342 1342/1342 1342 ± 0.00002348 6.362 6.202/6.488 6.333 ± 0.3179
13 1342 1342/1342 1342 ± 0.00002374 6.643 6.408/6.761 6.566 ± 0.3619
14 1342 1342/1342 1342 ± 0.00003098 6.583 6.303/6.826 6.518 ± 0.4255
15 1342 1342/1342 1342 ± 0.00002954 6.54 6.337/6.785 6.517 ± 0.4525
16 1342 1342/1342 1342 ± 0.00005642 4.166 4.028/4.299 4.143 ± 0.255
17 1342 1342/1342 1342 ± 0.00005825 4.34 4.168/4.502 4.324 ± 0.2736
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
output_dir
 
Start time
2025-01-04 07:38:40.949
End
2025-01-04 08:47:41.669
Duration
1:09:00.719
Note, WebLog generation is not included in the time.

CASA logs for stage 8