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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.624 5.363/6.374 5.602 ± 1.067
ea03 1342 1342/1342 1342 ± 0.0000238 4.901 4.684/5.873 5.112 ± 0.8076
ea04 1342 1342/1342 1342 ± 0.00001032 5.329 5.092/6.142 5.421 ± 0.9628
ea05 1342 1342/1342 1342 ± 0 5.289 4.928/6.011 5.358 ± 0.7585
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.0000275 5.688 5.421/6.337 5.623 ± 1.004
ea08 1342 1342/1342 1342 ± 0.00004415 5.628 5.359/6.62 5.629 ± 1.097
ea09 1342 1342/1342 1342 ± 0.00004279 5.43 5.16/6.318 5.459 ± 0.969
ea10 1342 1342/1342 1342 ± 0.00004161 5.454 5.192/6.586 5.558 ± 1.136
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001898 5.977 5.268/6.736 5.731 ± 1.219
ea13 1342 1342/1342 1342 ± 0.00002096 5.628 5.381/6.243 5.573 ± 0.8943
ea14 1342 1342/1342 1342 ± 0.00002351 5.398 5.157/6.411 5.469 ± 0.919
ea15 1342 1342/1342 1342 ± 0 2.307 2.183/2.758 2.484 ± 0.4425
ea17 1342 1342/1342 1342 ± 0.00004329 6.041 5.538/6.817 5.955 ± 1.191
ea18 1342 1342/1342 1342 ± 0.00001443 4.961 4.648/5.527 4.997 ± 0.4918
ea19 1342 1342/1342 1342 ± 0.00001184 5.409 5.23/6.296 5.582 ± 0.7961
ea20 1342 1342/1342 1342 ± 0.00003364 5.848 5.735/7.116 6.159 ± 1.032
ea21 1342 1342/1342 1342 ± 0.000004928 5.506 5.288/6.338 5.555 ± 0.8537
ea23 1342 1342/1342 1342 ± 0.00001852 5.406 4.818/5.524 5.064 ± 0.8562
ea24 1342 1342/1342 1342 ± 0.00004375 5.475 5.252/6.303 5.507 ± 0.9819
ea25 1342 1342/1342 1342 ± 0.00004381 5.317 5.021/6.194 5.372 ± 0.9995
ea26 1342 1342/1342 1342 ± 0.00003363 5.718 5.531/6.621 5.784 ± 1.059
ea27 1342 1342/1342 1342 ± 0.00004252 5.422 5.148/6.384 5.427 ± 1.022
ea28 1342 1342/1342 1342 ± 0.00004371 5.281 5.098/6.226 5.339 ± 0.9571
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 ± 0.00002513 5.291 5.151/5.538 5.165 ± 0.6929
5 1342 1342/1342 1342 ± 0.00002768 5.377 5.076/5.498 5.177 ± 0.6161
6 1342 1342/1342 1342 ± 0.00002513 5.255 5.088/5.522 5.114 ± 0.7127
7 1342 1342/1342 1342 ± 0.00002513 5.333 5.229/5.474 5.19 ± 0.7213
8 1342 1342/1342 1342 ± 0.00002513 5.278 5.151/5.391 5.152 ± 0.7322
9 1342 1342/1342 1342 ± 0.00002631 5.478 5.174/5.78 5.38 ± 0.639
10 1342 1342/1342 1342 ± 0.00002489 5.996 5.752/6.26 5.817 ± 0.8349
11 1342 1342/1342 1342 ± 0.00002489 6.316 6.084/6.565 6.152 ± 0.8137
12 1342 1342/1342 1342 ± 0.00002489 6.502 6.245/6.701 6.356 ± 0.8638
13 1342 1342/1342 1342 ± 0.00002489 6.51 6.311/6.743 6.395 ± 0.7938
14 1342 1342/1342 1342 ± 0.0000287 5.872 5.574/6.264 5.9 ± 0.7981
15 1342 1342/1342 1342 ± 0.00002489 6.489 6.061/6.936 6.343 ± 0.9413
16 1342 1342/1342 1342 ± 0.00006008 3.398 3.235/3.615 3.409 ± 0.3944
17 1342 1342/1342 1342 ± 0.000061 3.598 3.467/3.755 3.565 ± 0.3735
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
Start time
2025-01-11 14:55:24.241
End
2025-01-11 15:53:08.676
Duration
0:57:44.435
Note, WebLog generation is not included in the time.

CASA logs for stage 8