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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.46 5.385/6.191 5.672 ± 0.7893
ea02 1342 1342/1342 1342 ± 0.00003387 6.091 5.505/6.799 6.112 ± 0.9294
ea04 1342 1342/1342 1342 ± 0.00004187 5.508 5.15/6.109 5.44 ± 0.8423
ea05 1342 1342/1342 1342 ± 0.0000221 5.473 5.119/6.501 5.639 ± 0.891
ea06 1342 1342/1342 1342 ± 0.00004223 5.218 4.862/5.768 5.1 ± 0.7762
ea07 1342 1342/1342 1342 ± 0.00003558 5.915 5.401/6.297 5.849 ± 0.8338
ea09 1342 1342/1342 1342 ± 0.00003526 5.525 5.103/6.169 5.442 ± 0.7964
ea10 1342 1342/1342 1342 ± 0.0000361 5.319 4.833/5.975 5.293 ± 0.718
ea11 1342 1342/1342 1342 ± 0.00003713 6.098 5.517/6.706 5.961 ± 0.908
ea12 1342 1342/1342 1342 ± 0.0000408 5.89 5.565/6.553 5.871 ± 0.9867
ea13 1342 1342/1342 1342 ± 0.00002798 5.784 5.637/6.347 5.873 ± 0.9129
ea14 1342 1342/1342 1342 ± 0.00003063 5.758 5.449/6.707 5.935 ± 1
ea15 1342 1342/1342 1342 ± 0.0000413 5.773 5.429/6.604 5.766 ± 1.028
ea16 1342 1342/1342 1342 ± 0.00002994 5.953 5.535/6.886 6.021 ± 1.098
ea17 1342 1342/1342 1342 ± 0.00004032 6.045 5.534/6.764 6.083 ± 0.9368
ea18 1342 1342/1342 1342 ± 0.00003846 5.108 4.913/5.651 5.155 ± 0.7024
ea19 1342 1342/1342 1342 ± 0.00001637 5.8 5.527/6.86 5.96 ± 0.947
ea20 1342 1342/1342 1342 ± 0.00003944 6.161 6.034/7.062 6.221 ± 1.038
ea21 1342 1342/1342 1342 ± 0.00002797 5.629 5.303/6.416 5.727 ± 0.9202
ea22 1342 1342/1342 1342 ± 0.00003804 5.553 5.25/6.568 5.786 ± 0.9465
ea23 1342 1342/1342 1342 ± 0.0000343 6.005 5.578/6.751 6.04 ± 1.031
ea24 1342 1342/1342 1342 ± 0.0000257 5.291 4.826/6.264 5.405 ± 0.8235
ea25 1342 1342/1342 1342 ± 0.00003734 5.769 5.358/6.379 5.756 ± 0.8471
ea26 1342 1342/1342 1342 ± 0.0000362 5.889 5.718/6.883 6.059 ± 1.028
ea27 1342 1342/1342 1342 ± 0.00003751 5.739 5.368/6.629 5.82 ± 0.8585
ea28 1342 1342/1342 1342 ± 0.00003582 5.829 5.571/6.786 6.084 ± 0.9402
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 ± 0.00002373 5.491 5.304/5.68 5.458 ± 0.3207
5 1342 1342/1342 1342 ± 0.0000236 5.413 5.135/5.546 5.373 ± 0.3186
6 1342 1342/1342 1342 ± 0.00002373 5.449 5.145/5.584 5.373 ± 0.2734
7 1342 1342/1342 1342 ± 0.00002373 5.462 5.254/5.591 5.411 ± 0.2845
8 1342 1342/1342 1342 ± 0.00002373 5.435 5.122/5.552 5.384 ± 0.3244
9 1342 1342/1342 1342 ± 0.00002373 5.746 5.421/5.911 5.677 ± 0.3115
10 1342 1342/1342 1342 ± 0.00002373 6.171 5.892/6.258 6.084 ± 0.2981
11 1342 1342/1342 1342 ± 0.00002373 6.488 6.108/6.608 6.381 ± 0.3074
12 1342 1342/1342 1342 ± 0.00002373 6.559 6.288/6.782 6.559 ± 0.346
13 1342 1342/1342 1342 ± 0.00002373 6.832 6.449/7.065 6.728 ± 0.4512
14 1342 1342/1342 1342 ± 0.00002693 6.709 6.299/7.07 6.634 ± 0.5777
15 1342 1342/1342 1342 ± 0.00002641 6.909 6.399/7.203 6.79 ± 0.4766
16 1342 1342/1342 1342 ± 0.0000519 3.734 3.586/3.937 3.766 ± 0.2669
17 1342 1342/1342 1342 ± 0.00005258 3.926 3.708/4.19 3.967 ± 0.3733
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-05-17 18:21:09.000
End
2024-05-17 19:18:25.716
Duration
0:57:16.715
Note, WebLog generation is not included in the time.

CASA logs for stage 8