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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 6.217 5.847/6.755 6.346 ± 0.5793
ea02 1342 1342/1342 1342 ± 0.00002345 6.622 6.099/7.117 6.616 ± 0.6491
ea04 1342 1342/1342 1342 ± 0.000001206 5.736 5.238/6.23 5.814 ± 0.6096
ea05 1342 1342/1342 1342 ± 0.000002697 6.085 5.411/6.623 6.027 ± 0.6545
ea06 1342 1342/1342 1342 ± 0.000003691 5.313 4.925/5.492 5.249 ± 0.3881
ea07 1342 1342/1342 1342 ± 0.00004275 6.118 5.776/6.66 6.396 ± 0.6669
ea08 1342 1342/1342 1342 ± 0.00002045 6.666 6.108/7.462 6.869 ± 0.7604
ea09 1342 1342/1342 1342 ± 0 6.267 5.539/6.787 6.269 ± 0.6453
ea10 1342 1342/1342 1342 ± 0.0000433 6.3 5.815/7.297 6.564 ± 0.7377
ea11 1342 1342/1342 1342 ± 0.00004251 6.276 5.757/7.031 6.488 ± 0.7761
ea12 1342 1342/1342 1342 ± 0.000002089 5.898 5.542/6.638 6.147 ± 0.6767
ea13 1342 1342/1342 1342 ± 0 6.524 6.022/7.08 6.549 ± 0.5378
ea14 1342 1342/1342 1342 ± 0.0000306 5.995 5.499/6.674 6.169 ± 0.6901
ea15 1342 1342/1342 1342 ± 0.000001279 6.093 5.333/6.533 6.154 ± 0.7571
ea16 1342 1342/1342 1342 ± 0.000001229 6.263 5.806/7.03 6.477 ± 0.8096
ea17 1342 1342/1342 1342 ± 0.00004356 6.373 6.071/7.292 6.77 ± 0.7669
ea18 1342 1342/1342 1342 ± 0.0000272 5.433 5.168/6.017 5.622 ± 0.5119
ea19 1342 1342/1342 1342 ± 0.0000179 6.323 5.62/6.848 6.342 ± 0.6811
ea20 1342 1342/1342 1342 ± 0.000007462 6.165 5.931/7.136 6.506 ± 0.7049
ea21 1342 1342/1342 1342 ± 0.00001935 5.86 5.513/6.488 6.07 ± 0.604
ea22 1342 1342/1342 1342 ± 0 6.327 5.633/6.622 6.182 ± 0.6738
ea23 1342 1342/1342 1342 ± 0.00004084 6.095 5.773/6.924 6.429 ± 0.7571
ea25 1342 1342/1342 1342 ± 0.00004336 6.109 5.879/6.816 6.398 ± 0.6936
ea26 1342 1342/1342 1342 ± 0 6.524 5.904/7.17 6.618 ± 0.6679
ea27 1342 1342/1342 1342 ± 0.00004336 6.074 5.959/7.054 6.434 ± 0.6843
ea28 1342 1342/1342 1342 ± 0.00004241 6.324 6.085/7.168 6.678 ± 0.6996
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 ± 0.00002351 5.815 5.446/5.979 5.738 ± 0.3285
5 1342 1342/1342 1342 ± 0.00002355 5.661 5.496/5.945 5.664 ± 0.3567
6 1342 1342/1342 1342 ± 0.00002442 5.657 5.499/5.976 5.68 ± 0.3171
7 1342 1342/1342 1342 ± 0.00002396 5.749 5.495/5.921 5.677 ± 0.3105
8 1342 1342/1342 1342 ± 0.00002396 5.661 5.429/5.902 5.641 ± 0.3338
9 1342 1342/1342 1342 ± 0.00002608 6.051 5.602/6.169 5.901 ± 0.397
10 1342 1342/1342 1342 ± 0.00002351 6.48 6.15/6.697 6.408 ± 0.406
11 1342 1342/1342 1342 ± 0.00002351 6.64 6.526/6.938 6.648 ± 0.4275
12 1342 1342/1342 1342 ± 0.00002396 6.846 6.615/7.137 6.816 ± 0.4555
13 1342 1342/1342 1342 ± 0.00002351 7.412 7.096/7.602 7.323 ± 0.4597
14 1342 1342/1342 1342 ± 0.00002351 7.598 7.394/7.873 7.546 ± 0.5001
15 1342 1342/1342 1342 ± 0.00002384 7.021 6.81/7.254 6.958 ± 0.4527
16 1342 1342/1342 1342 ± 0.00006008 5.893 5.661/6.147 5.879 ± 0.3812
17 1342 1342/1342 1342 ± 0.00005866 6.133 5.913/6.403 6.135 ± 0.4146
datacolumn
residual_data
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-07 07:04:16.684
End
2025-01-07 08:04:48.941
Duration
1:00:32.257
Note, WebLog generation is not included in the time.

CASA logs for stage 8