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

Statwt Summary Plot

VLASS2.1.sb38618574.eb38632962.59098.03251238426_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 5.368 5.13/5.766 5.535 ± 0.4999
ea02 1342 1342/1342 1342 ± 0 5.56 5.247/6.316 5.822 ± 0.6369
ea04 1342 1342/1342 1342 ± 0 5.324 5.014/5.931 5.512 ± 0.5571
ea05 1342 1342/1342 1342 ± 0 5.585 5.174/6.075 5.676 ± 0.5805
ea06 1342 1342/1342 1342 ± 0 4.844 4.564/5.35 4.962 ± 0.4586
ea07 1342 1342/1342 1342 ± 0 5.838 5.273/6.125 5.832 ± 0.5783
ea08 1342 1342/1342 1342 ± 0 5.638 5.354/6.455 5.945 ± 0.6559
ea09 1342 1342/1342 1342 ± 0 5.436 5.104/6.17 5.62 ± 0.6181
ea10 1342 1342/1342 1342 ± 0 5.834 5.18/6.427 5.814 ± 0.6625
ea11 1342 1342/1342 1342 ± 0 5.702 5.123/6.22 5.724 ± 0.6643
ea12 1342 1342/1342 1342 ± 0 5.613 5.188/6.23 5.793 ± 0.6363
ea13 1342 1342/1342 1342 ± 0 5.854 5.646/6.259 6.024 ± 0.4831
ea14 1342 1342/1342 1342 ± 0 5.609 5.104/6.21 5.702 ± 0.6604
ea15 1342 1342/1342 1342 ± 0 5.442 4.997/6.095 5.611 ± 0.6664
ea16 1342 1342/1342 1342 ± 0 5.939 5.502/6.584 6.105 ± 0.7043
ea17 1342 1342/1342 1342 ± 0.000001652 5.753 5.397/6.301 5.898 ± 0.6078
ea18 1342 1342/1342 1342 ± 0 4.88 4.579/5.342 5.004 ± 0.4979
ea19 1342 1342/1342 1342 ± 0 5.848 5.418/6.612 6.056 ± 0.6591
ea20 1342 1342/1342 1342 ± 0 5.942 5.53/6.573 6.088 ± 0.6453
ea21 1342 1342/1342 1342 ± 0 5.61 5.227/6.123 5.717 ± 0.5623
ea22 1342 1342/1342 1342 ± 0 5.391 5.157/6.258 5.678 ± 0.6559
ea23 1342 1342/1342 1342 ± 0 5.854 5.311/6.325 5.932 ± 0.6737
ea25 1342 1342/1342 1342 ± 0 5.361 5.049/5.916 5.525 ± 0.5608
ea26 1342 1342/1342 1342 ± 0 5.804 5.487/6.744 6.039 ± 0.6463
ea27 1342 1342/1342 1342 ± 0 5.435 5.17/6.189 5.612 ± 0.5676
ea28 1342 1342/1342 1342 ± 0.00002393 5.458 5.225/6.239 5.728 ± 0.6314
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 ± 0.0000235 5.209 5.066/5.448 5.227 ± 0.2561
3 1342 1342/1342 1342 ± 0.00002395 5.161 4.998/5.388 5.183 ± 0.2644
4 1342 1342/1342 1342 ± 0.00002395 5.166 4.957/5.261 5.104 ± 0.3065
5 1342 1342/1342 1342 ± 0.0000235 5.202 4.926/5.346 5.173 ± 0.3145
6 1342 1342/1342 1342 ± 0.0000235 5.17 4.964/5.374 5.151 ± 0.2896
7 1342 1342/1342 1342 ± 0.0000235 5.208 5.047/5.353 5.201 ± 0.2581
8 1342 1342/1342 1342 ± 0.0000235 5.228 4.967/5.349 5.169 ± 0.2745
9 1342 1342/1342 1342 ± 0.0000235 5.462 5.342/5.715 5.457 ± 0.3168
10 1342 1342/1342 1342 ± 0.0000235 5.904 5.772/6.08 5.876 ± 0.3009
11 1342 1342/1342 1342 ± 0.0000235 6.161 5.987/6.263 6.094 ± 0.3053
12 1342 1342/1342 1342 ± 0.0000235 6.298 6.068/6.446 6.259 ± 0.3323
13 1342 1342/1342 1342 ± 0.0000235 6.71 6.63/6.882 6.694 ± 0.3486
14 1342 1342/1342 1342 ± 0.0000235 6.89 6.697/7.094 6.85 ± 0.386
15 1342 1342/1342 1342 ± 0.0000235 6.592 6.355/6.775 6.516 ± 0.3733
16 1342 1342/1342 1342 ± 0.00002423 5.891 5.544/6.102 5.841 ± 0.3864
17 1342 1342/1342 1342 ± 0.00002917 5.847 5.479/6.118 5.832 ± 0.3837
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38618574.eb38632962.59098.03251238426_split_split.ms
Start time
2024-12-17 05:11:22.890
End
2024-12-17 06:07:24.758
Duration
0:56:01.868
Note, WebLog generation is not included in the time.

CASA logs for stage 8