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

Statwt Summary Plot

VLASS2.1.sb38488196.eb38554922.59063.35858586806_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 5.294 5.191/6.178 5.646 ± 0.6892
ea02 1342 1342/1342 1342 ± 0.00003968 5.762 5.265/6.619 5.923 ± 0.8436
ea04 1342 1342/1342 1342 ± 0.000007703 5.309 5.11/6.141 5.61 ± 0.6834
ea05 1342 1342/1342 1342 ± 0 5.587 5.311/6.655 5.952 ± 0.7239
ea06 1342 1342/1342 1342 ± 0.00001718 3.246 3.174/3.493 3.317 ± 0.1838
ea07 1342 1342/1342 1342 ± 0 5.285 5.235/5.891 5.511 ± 0.3922
ea08 1342 1342/1342 1342 ± 0.00004232 5.971 5.662/7.053 6.269 ± 0.9747
ea09 1342 1342/1342 1342 ± 0.00001372 4.929 4.691/5.365 5.058 ± 0.4099
ea10 1342 1342/1342 1342 ± 0.00004339 5.59 5.238/6.576 5.802 ± 0.8368
ea11 1342 1342/1342 1342 ± 0.00003945 5.867 5.243/6.534 5.896 ± 0.8492
ea12 1342 1342/1342 1342 ± 0.00000598 5.403 5.295/6.601 5.895 ± 0.8453
ea13 1342 1342/1342 1342 ± 0.000002984 5.749 5.565/6.769 6.065 ± 0.6223
ea14 1342 1342/1342 1342 ± 0.0000136 6.595 5.624/6.884 6.224 ± 0.9464
ea15 1342 1342/1342 1342 ± 0.00000244 5.633 5.377/6.489 5.928 ± 0.7757
ea16 1342 1342/1342 1342 ± 0.000004197 4.858 4.779/5.827 5.184 ± 0.6054
ea17 1342 1342/1342 1342 ± 0.00004327 6.017 5.371/6.919 6.086 ± 0.9233
ea18 1342 1342/1342 1342 ± 0.00002487 4.966 4.673/5.808 5.172 ± 0.6342
ea19 1342 1342/1342 1342 ± 0 6.649 6.036/7.05 6.468 ± 0.8225
ea21 1342 1342/1342 1342 ± 0.00001472 5.807 5.111/6.518 5.924 ± 0.7902
ea22 1342 1342/1342 1342 ± 0.00002965 5.232 4.966/6.226 5.598 ± 0.6941
ea23 1342 1342/1342 1342 ± 0.0000361 5.835 5.252/6.722 5.979 ± 0.9776
ea25 1342 1342/1342 1342 ± 0.00004331 5.016 4.035/5.436 4.68 ± 0.9346
ea26 1342 1342/1342 1342 ± 0.00001819 5.735 5.511/6.844 6.147 ± 0.7633
ea27 1342 1342/1342 1342 ± 0.00004314 5.617 5.239/6.583 5.813 ± 0.807
ea28 1342 1342/1342 1342 ± 0.00004342 5.443 5.277/6.641 5.895 ± 0.8443
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 ± 0.00002558 5.088 4.861/5.191 5.014 ± 0.2313
5 1342 1342/1342 1342 ± 0.00002561 6.184 5.958/6.466 6.159 ± 0.5371
6 1342 1342/1342 1342 ± 0.00002558 5.28 5.11/5.374 5.238 ± 0.2749
7 1342 1342/1342 1342 ± 0.00002558 5.289 5.176/5.459 5.276 ± 0.2606
8 1342 1342/1342 1342 ± 0.00002558 5.407 5.206/5.544 5.322 ± 0.3245
9 1342 1342/1342 1342 ± 0.00002558 5.602 5.3/5.803 5.506 ± 0.3817
10 1342 1342/1342 1342 ± 0.00002504 6.155 5.887/6.283 5.928 ± 0.6524
11 1342 1342/1342 1342 ± 0.00002502 6.421 6.03/6.573 6.107 ± 0.8616
12 1342 1342/1342 1342 ± 0.00002487 6.578 6.176/6.684 6.287 ± 0.8417
13 1342 1342/1342 1342 ± 0.00002487 7.035 6.57/7.187 6.71 ± 0.8751
14 1342 1342/1342 1342 ± 0.00002487 7.154 6.804/7.331 6.876 ± 0.8843
15 1342 1342/1342 1342 ± 0.00002487 6.659 6.253/6.864 6.396 ± 0.8823
16 1342 1342/1342 1342 ± 0.00006056 4.692 4.531/4.892 4.657 ± 0.4413
17 1342 1342/1342 1342 ± 0.00005979 4.813 4.619/5.065 4.779 ± 0.5606
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38488196.eb38554922.59063.35858586806_split_split.ms
Start time
2025-04-08 20:41:20.709
End
2025-04-08 21:02:07.047
Duration
0:20:46.338
Note, WebLog generation is not included in the time.

CASA logs for stage 8