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 5.465 5.372/6.169 5.642 ± 0.7575
ea02 1342 1342/1342 1342 ± 0.00003915 6.088 5.491/6.803 6.005 ± 0.9558
ea04 1342 1342/1342 1342 ± 0.00004114 5.51 5.133/6.186 5.407 ± 0.8713
ea05 1342 1342/1342 1342 ± 0.00002465 5.47 5.125/6.279 5.632 ± 0.7732
ea06 1342 1342/1342 1342 ± 0.00004223 5.255 4.914/5.837 5.141 ± 0.7861
ea07 1342 1342/1342 1342 ± 0.00003832 5.909 5.4/6.312 5.802 ± 0.7814
ea09 1342 1342/1342 1342 ± 0.0000355 5.517 5.12/6.022 5.405 ± 0.7438
ea10 1342 1342/1342 1342 ± 0.00003789 5.313 4.83/5.915 5.266 ± 0.6739
ea11 1342 1342/1342 1342 ± 0.00004058 6.097 5.428/6.698 5.866 ± 0.9579
ea12 1342 1342/1342 1342 ± 0.00004188 5.934 5.499/6.732 5.85 ± 1.022
ea13 1342 1342/1342 1342 ± 0.00002543 5.831 5.66/6.354 5.876 ± 0.8159
ea14 1342 1342/1342 1342 ± 0.00003244 5.8 5.375/6.72 5.919 ± 0.8918
ea15 1342 1342/1342 1342 ± 0.00003897 5.77 5.434/6.578 5.736 ± 1.061
ea16 1342 1342/1342 1342 ± 0.00003224 5.859 5.523/6.878 5.986 ± 0.9674
ea17 1342 1342/1342 1342 ± 0.00004186 6.062 5.569/6.904 6.039 ± 0.9401
ea18 1342 1342/1342 1342 ± 0.00004138 5.134 4.785/5.684 5.091 ± 0.7602
ea19 1342 1342/1342 1342 ± 0.00001085 5.759 5.513/6.586 5.949 ± 0.8183
ea20 1342 1342/1342 1342 ± 0.00004147 6.194 5.855/7.063 6.184 ± 1.063
ea21 1342 1342/1342 1342 ± 0.00003099 5.613 5.324/6.392 5.68 ± 0.8225
ea22 1342 1342/1342 1342 ± 0.00004248 5.531 5.218/6.551 5.692 ± 0.9528
ea23 1342 1342/1342 1342 ± 0.00003518 5.988 5.49/6.733 5.969 ± 0.9606
ea24 1342 1342/1342 1342 ± 0.00002216 5.299 4.844/6.092 5.371 ± 0.75
ea25 1342 1342/1342 1342 ± 0.00004102 5.788 5.369/6.496 5.713 ± 0.8837
ea26 1342 1342/1342 1342 ± 0.00003809 5.884 5.634/6.882 5.991 ± 0.9667
ea27 1342 1342/1342 1342 ± 0.00003861 5.736 5.376/6.626 5.805 ± 0.8517
ea28 1342 1342/1342 1342 ± 0.00003943 5.868 5.58/6.804 6.027 ± 0.9503
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 5.506 5.322/5.696 5.48 ± 0.3263
3 1342 1342/1342 1342 ± 0.00004883 5.424 5.275/5.786 5.507 ± 0.314
5 1342 1342/1342 1342 ± 0.00002351 5.372 5.158/5.547 5.361 ± 0.3433
6 1342 1342/1342 1342 ± 0.0000235 5.439 5.128/5.585 5.376 ± 0.273
7 1342 1342/1342 1342 ± 0.0000235 5.476 5.247/5.594 5.419 ± 0.2868
8 1342 1342/1342 1342 ± 0.0000235 5.454 5.132/5.581 5.389 ± 0.3245
9 1342 1342/1342 1342 ± 0.0000235 5.769 5.443/5.91 5.689 ± 0.3151
10 1342 1342/1342 1342 ± 0.0000235 6.167 5.895/6.276 6.084 ± 0.3004
11 1342 1342/1342 1342 ± 0.0000235 6.407 6.09/6.612 6.38 ± 0.3041
12 1342 1342/1342 1342 ± 0.0000235 6.538 6.31/6.8 6.555 ± 0.3464
13 1342 1342/1342 1342 ± 0.0000235 6.833 6.463/7.109 6.759 ± 0.4275
14 1342 1342/1342 1342 ± 0.00002593 6.762 6.344/7.032 6.663 ± 0.5176
15 1342 1342/1342 1342 ± 0.00002575 6.826 6.234/7.096 6.683 ± 0.4917
16 1342 1342/1342 1342 ± 0.00005125 3.912 3.692/4.117 3.917 ± 0.3095
17 1342 1342/1342 1342 ± 0.00005237 4.068 3.752/4.375 4.093 ± 0.4497
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-05-17 21:05:26.268
End
2024-05-17 22:06:31.572
Duration
1:01:05.305
Note, WebLog generation is not included in the time.

CASA logs for stage 8