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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.318 5.146/5.904 5.396 ± 0.6771
ea02 1342 1342/1342 1342 ± 0.00004285 5.877 5.201/6.329 5.652 ± 0.8834
ea03 1342 1342/1342 1342 ± 0.000002163 4.952 4.671/5.813 5.122 ± 0.6756
ea04 1342 1342/1342 1342 ± 0 5.34 5.072/6.107 5.452 ± 0.7664
ea05 1342 1342/1342 1342 ± 0.000008173 5.394 5.093/6.265 5.568 ± 0.7647
ea06 1342 1342/1342 1342 ± 0 4.374 4.14/4.904 4.435 ± 0.4811
ea07 1342 1342/1342 1342 ± 0.00004327 5.607 5.141/6.068 5.542 ± 0.7534
ea08 1342 1342/1342 1342 ± 0.00004359 5.823 5.391/6.619 5.806 ± 0.9152
ea09 1342 1342/1342 1342 ± 0.000002793 5.307 4.972/6.128 5.406 ± 0.8073
ea10 1342 1342/1342 1342 ± 0.00004419 5.514 5.129/6.48 5.598 ± 0.8487
ea11 1342 1342/1342 1342 ± 0 5.585 4.983/6.388 5.654 ± 0.9045
ea12 1342 1342/1342 1342 ± 0.00001049 5.525 5.278/6.542 5.707 ± 0.9503
ea13 1342 1342/1342 1342 ± 0.00001467 5.822 5.366/6.26 5.756 ± 0.7156
ea14 1342 1342/1342 1342 ± 0.000008268 5.493 5.085/6.27 5.517 ± 0.8002
ea15 1342 1342/1342 1342 ± 0 3.743 3.532/4.582 3.959 ± 0.6845
ea16 1342 1342/1342 1342 ± 0.00001953 5.724 5.413/6.545 5.742 ± 0.8744
ea17 1342 1342/1342 1342 ± 0 6.006 5.517/7.249 6.162 ± 0.9822
ea18 1342 1342/1342 1342 ± 0.00003955 4.701 4.416/5.461 4.809 ± 0.6173
ea19 1342 1342/1342 1342 ± 0 5.334 5.102/6.18 5.506 ± 0.7147
ea20 1342 1342/1342 1342 ± 0 5.812 5.756/6.968 6.076 ± 0.9387
ea21 1342 1342/1342 1342 ± 0.00001748 5.448 4.969/6.213 5.502 ± 0.7943
ea23 1342 1342/1342 1342 ± 0.00003277 5.367 5.13/5.498 5.196 ± 0.5697
ea24 1342 1342/1342 1342 ± 0.00004192 5.509 5.174/6.303 5.549 ± 0.7899
ea25 1342 1342/1342 1342 ± 0.00004324 5.382 5.111/6.028 5.41 ± 0.7712
ea26 1342 1342/1342 1342 ± 0.00002157 5.763 5.349/6.588 5.799 ± 0.8575
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.0000458 5.247 5.08/6.076 5.35 ± 0.7451
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 ± 0.00002349 5.274 4.977/5.4 5.145 ± 0.4346
5 1342 1342/1342 1342 ± 0.00002349 5.326 5.055/5.497 5.225 ± 0.5246
6 1342 1342/1342 1342 ± 0.00002349 5.129 4.969/5.363 5.085 ± 0.471
7 1342 1342/1342 1342 ± 0.00002349 5.171 5.076/5.37 5.133 ± 0.4685
8 1342 1342/1342 1342 ± 0.00002349 5.242 5.102/5.371 5.15 ± 0.4745
9 1342 1342/1342 1342 ± 0.00002349 5.518 5.29/5.752 5.412 ± 0.5039
10 1342 1342/1342 1342 ± 0.00002349 5.955 5.641/6.131 5.761 ± 0.5767
11 1342 1342/1342 1342 ± 0.00002349 6.15 5.947/6.333 6.049 ± 0.5262
12 1342 1342/1342 1342 ± 0.00002349 6.299 6.086/6.554 6.225 ± 0.5616
13 1342 1342/1342 1342 ± 0.00002352 6.468 6.22/6.714 6.419 ± 0.5523
14 1342 1342/1342 1342 ± 0.00003094 6.182 5.779/6.591 6.216 ± 0.6707
15 1342 1342/1342 1342 ± 0.00002352 6.478 6.193/6.866 6.382 ± 0.6677
16 1342 1342/1342 1342 ± 0.0000604 4.012 3.87/4.185 3.98 ± 0.3243
17 1342 1342/1342 1342 ± 0.00005856 4.098 3.976/4.239 4.07 ± 0.2834
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
Start time
2025-01-11 12:32:46.298
End
2025-01-11 13:24:43.736
Duration
0:51:57.438
Note, WebLog generation is not included in the time.

CASA logs for stage 8