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

Statwt Summary Plot

VLASS2.1.sb39020510.eb39074114.59177.52519034722_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 5.397 5.237/6.246 5.544 ± 0.8035
ea02 1342 1342/1342 1342 ± 0.00004266 5.791 5.291/6.619 5.768 ± 0.9611
ea03 1342 1342/1342 1342 ± 0.00001134 2.086 1.97/2.414 2.186 ± 0.3243
ea04 1342 1342/1342 1342 ± 0.00003629 5.435 5.265/6.313 5.618 ± 0.8275
ea05 1342 1342/1342 1342 ± 0.00003114 5.491 5.219/6.556 5.718 ± 0.93
ea06 1342 1342/1342 1342 ± 0.00001208 4.585 4.348/5.223 4.62 ± 0.6729
ea07 1342 1342/1342 1342 ± 0.00004196 6.049 5.539/6.44 5.915 ± 0.94
ea08 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea09 1342 1342/1342 1342 ± 0.00003688 5.593 5.287/6.669 5.754 ± 0.9048
ea10 1342 1342/1342 1342 ± 0.00004272 5.966 5.361/6.913 5.906 ± 1.016
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004153 5.673 5.456/6.734 5.874 ± 0.944
ea13 1342 1342/1342 1342 ± 0.0000308 5.796 5.691/6.444 5.938 ± 0.8169
ea14 1342 1342/1342 1342 ± 0.00004256 5.43 5.043/6.358 5.55 ± 0.9048
ea15 1342 1342/1342 1342 ± 0.00001416 3.383 3.259/4.272 3.602 ± 0.7454
ea16 1342 1342/1342 1342 ± 0.00004176 5.893 5.55/6.853 5.945 ± 1.114
ea17 1342 1342/1342 1342 ± 0.00001996 6.195 5.662/7.269 6.253 ± 1.065
ea18 1342 1342/1342 1342 ± 0.00004181 4.957 4.704/5.906 5.117 ± 0.7513
ea19 1342 1342/1342 1342 ± 0.00001692 5.643 5.472/6.656 5.867 ± 0.9421
ea20 1342 1342/1342 1342 ± 0.00002501 5.982 5.918/7.153 6.201 ± 0.9991
ea23 1342 1342/1342 1342 ± 0.00004182 5.667 5.42/6.727 5.965 ± 1.015
ea24 1342 1342/1342 1342 ± 0.00003991 5.278 5.042/6.381 5.516 ± 0.8694
ea25 1342 1342/1342 1342 ± 0.00004193 5.865 5.413/6.699 5.825 ± 0.9527
ea26 1342 1342/1342 1342 ± 0.00001298 1.547 1.496/1.654 1.576 ± 0.1078
ea27 1342 1342/1342 1342 ± 0.00004229 5.694 5.28/6.73 5.764 ± 0.9474
ea28 1342 1342/1342 1342 ± 0.00004257 5.536 5.304/6.421 5.654 ± 0.8777
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 ± 0.0000245 5.314 4.941/5.598 4.952 ± 1.12
3 1342 1342/1342 1342 ± 0.00003374 4.96 3.29/5.297 4.424 ± 1.19
5 1342 1342/1342 1342 ± 0.0000245 5.406 5.074/5.612 5.009 ± 1.158
6 1342 1342/1342 1342 ± 0.0000245 5.381 5.059/5.53 4.95 ± 1.101
7 1342 1342/1342 1342 ± 0.0000245 5.394 5.154/5.526 5.016 ± 1.108
8 1342 1342/1342 1342 ± 0.0000245 5.327 5.049/5.552 4.982 ± 1.107
9 1342 1342/1342 1342 ± 0.0000245 5.568 5.301/5.886 5.231 ± 1.18
10 1342 1342/1342 1342 ± 0.0000245 6.079 5.815/6.264 5.623 ± 1.268
11 1342 1342/1342 1342 ± 0.0000245 6.366 6.007/6.502 5.899 ± 1.31
12 1342 1342/1342 1342 ± 0.0000245 6.533 6.257/6.734 6.09 ± 1.381
13 1342 1342/1342 1342 ± 0.0000245 6.894 6.393/7.142 6.423 ± 1.439
14 1342 1342/1342 1342 ± 0.00002467 6.942 6.466/7.237 6.455 ± 1.468
15 1342 1342/1342 1342 ± 0.00002567 6.744 6.341/7.026 6.216 ± 1.438
16 1342 1342/1342 1342 ± 0.0000566 3.947 3.719/4.124 3.701 ± 0.7835
17 1342 1342/1342 1342 ± 0.00005821 4.028 3.83/4.239 3.82 ± 0.7723
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb39020510.eb39074114.59177.52519034722_split_split.ms
output_dir
 
Start time
2025-01-11 09:03:03.961
End
2025-01-11 10:11:49.948
Duration
1:08:45.987
Note, WebLog generation is not included in the time.

CASA logs for stage 8