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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.768 5.396/6.324 5.909 ± 0.5417
ea02 1342 1342/1342 1342 ± 0.00005084 6.038 5.661/6.778 6.235 ± 0.6505
ea03 1342 1342/1342 1342 ± 0.000001249 5.565 4.963/6.084 5.549 ± 0.6078
ea04 1342 1342/1342 1342 ± 0 5.604 5.335/6.065 5.757 ± 0.5074
ea05 1342 1342/1342 1342 ± 0.000007686 5.867 5.602/6.594 6.033 ± 0.5734
ea06 1342 1342/1342 1342 ± 0 5.037 4.887/5.577 5.197 ± 0.4205
ea07 1342 1342/1342 1342 ± 0 6 5.621/6.367 6.086 ± 0.6554
ea08 1342 1342/1342 1342 ± 0.00004074 6.039 5.619/6.854 6.263 ± 0.676
ea09 1342 1342/1342 1342 ± 0.0000213 5.856 5.39/6.613 6.003 ± 0.6106
ea10 1342 1342/1342 1342 ± 0.00002559 5.84 5.534/6.855 6.098 ± 0.7071
ea11 1342 1342/1342 1342 ± 0 5.808 5.342/6.589 6.014 ± 0.7024
ea12 1342 1342/1342 1342 ± 0 5.766 5.549/6.472 6.07 ± 0.6169
ea13 1342 1342/1342 1342 ± 0.000001767 6.307 5.885/6.464 6.308 ± 0.5114
ea15 1342 1342/1342 1342 ± 0 5.993 5.697/6.681 6.226 ± 0.6241
ea16 1342 1342/1342 1342 ± 0.000009238 6.162 5.895/6.889 6.398 ± 0.7157
ea17 1342 1342/1342 1342 ± 0.0000188 6.204 5.812/7.113 6.447 ± 0.7453
ea18 1342 1342/1342 1342 ± 0 4.856 4.768/5.574 5.145 ± 0.45
ea19 1342 1342/1342 1342 ± 0.000005719 5.986 5.728/6.749 6.203 ± 0.5839
ea20 1342 1342/1342 1342 ± 0 5.721 5.588/6.59 6.072 ± 0.5944
ea21 1342 1342/1342 1342 ± 0.000001249 5.847 5.58/6.575 6.097 ± 0.5945
ea22 1342 1342/1342 1342 ± 0.00003887 5.694 5.35/6.258 5.784 ± 0.5671
ea23 1342 1342/1342 1342 ± 0 5.848 5.557/6.667 6.154 ± 0.7245
ea24 1342 1342/1342 1342 ± 0.00004223 5.816 5.562/6.72 6.106 ± 0.6275
ea25 1342 1342/1342 1342 ± 0 5.683 5.34/6.294 5.845 ± 0.6377
ea26 1342 1342/1342 1342 ± 0 6.302 6.007/7.191 6.532 ± 0.6668
ea27 1342 1342/1342 1342 ± 0.00002475 5.625 5.324/6.485 5.876 ± 0.6327
ea28 1342 1342/1342 1342 ± 0.00003493 5.493 5.372/6.391 5.847 ± 0.6105
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 ± 0.0000231 5.495 5.265/5.693 5.44 ± 0.2876
5 1342 1342/1342 1342 ± 0.00002357 5.66 5.359/5.807 5.59 ± 0.3326
6 1342 1342/1342 1342 ± 0.0000231 5.561 5.376/5.734 5.515 ± 0.3191
7 1342 1342/1342 1342 ± 0.0000231 5.584 5.401/5.686 5.53 ± 0.2998
8 1342 1342/1342 1342 ± 0.0000231 5.504 5.278/5.646 5.45 ± 0.3317
9 1342 1342/1342 1342 ± 0.0000231 5.726 5.384/5.92 5.677 ± 0.3609
10 1342 1342/1342 1342 ± 0.0000231 6.222 5.986/6.386 6.153 ± 0.3536
11 1342 1342/1342 1342 ± 0.0000231 6.463 6.262/6.605 6.389 ± 0.3528
12 1342 1342/1342 1342 ± 0.0000231 6.582 6.372/6.747 6.531 ± 0.3892
13 1342 1342/1342 1342 ± 0.0000231 7.021 6.818/7.162 6.972 ± 0.4134
14 1342 1342/1342 1342 ± 0.0000231 7.18 6.914/7.444 7.131 ± 0.4519
15 1342 1342/1342 1342 ± 0.0000231 6.68 6.377/6.981 6.633 ± 0.4668
16 1342 1342/1342 1342 ± 0.00005275 5.472 5.193/5.779 5.472 ± 0.4095
17 1342 1342/1342 1342 ± 0.00004538 5.603 5.394/5.941 5.631 ± 0.4051
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-11 04:56:27.754
End
2025-01-11 05:57:42.819
Duration
1:01:15.065
Note, WebLog generation is not included in the time.

CASA logs for stage 8