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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.304 5.1/6.077 5.594 ± 0.6185
ea02 1342 1342/1342 1342 ± 0.00003073 5.663 5.225/6.53 5.91 ± 0.7854
ea04 1342 1342/1342 1342 ± 0.000008281 5.15 5.01/5.995 5.494 ± 0.609
ea05 1342 1342/1342 1342 ± 0 5.419 5.264/6.483 5.805 ± 0.6849
ea06 1342 1342/1342 1342 ± 0.00001626 4.798 4.682/5.401 5.016 ± 0.484
ea07 1342 1342/1342 1342 ± 0.00004319 5.753 5.344/6.252 5.829 ± 0.7792
ea08 1342 1342/1342 1342 ± 0.00003645 5.725 5.291/6.743 6.046 ± 0.8489
ea10 1342 1342/1342 1342 ± 0.0000432 5.594 5.031/6.628 5.767 ± 0.8425
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002125 5.344 5.233/6.44 5.793 ± 0.7841
ea13 1342 1342/1342 1342 ± 0 5.85 5.451/6.293 6.022 ± 0.5977
ea14 1342 1342/1342 1342 ± 0.00002157 5.39 4.975/6.323 5.668 ± 0.7545
ea15 1342 1342/1342 1342 ± 0.00000179 5.191 5.023/6.143 5.62 ± 0.7242
ea16 1342 1342/1342 1342 ± 0 5.805 5.327/6.79 6.044 ± 0.9121
ea17 1342 1342/1342 1342 ± 0.00004319 5.686 5.313/6.699 5.947 ± 0.769
ea18 1342 1342/1342 1342 ± 0.00003746 4.837 4.659/5.653 5.105 ± 0.5711
ea19 1342 1342/1342 1342 ± 0.00001182 5.658 5.442/6.678 6.019 ± 0.7465
ea20 1342 1342/1342 1342 ± 0.00002677 5.716 5.503/6.858 6.07 ± 0.849
ea21 1342 1342/1342 1342 ± 0.00001361 5.496 5.161/6.275 5.725 ± 0.6975
ea22 1342 1342/1342 1342 ± 0.000008564 5.466 5.119/6.468 5.754 ± 0.7138
ea23 1342 1342/1342 1342 ± 0.00004186 5.68 5.301/6.573 5.913 ± 0.8309
ea25 1342 1342/1342 1342 ± 0.00004253 5.36 4.906/6.226 5.563 ± 0.7283
ea26 1342 1342/1342 1342 ± 0 5.712 5.614/6.835 6.194 ± 0.7136
ea27 1342 1342/1342 1342 ± 0.00004319 5.42 5.021/6.362 5.676 ± 0.7072
ea28 1342 1342/1342 1342 ± 0.00004248 5.486 5.277/6.512 5.821 ± 0.7877
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 ± 0.00002439 5.163 4.886/5.366 5.14 ± 0.2592
3 1342 1342/1342 1342 ± 0.00002442 5.092 4.933/5.341 5.142 ± 0.311
5 1342 1342/1342 1342 ± 0.000026 5.195 4.963/5.379 5.181 ± 0.2687
6 1342 1342/1342 1342 ± 0.00002439 5.356 5.094/5.487 5.305 ± 0.2822
7 1342 1342/1342 1342 ± 0.00002439 5.298 5.121/5.448 5.285 ± 0.2482
8 1342 1342/1342 1342 ± 0.00002439 5.249 5.045/5.361 5.199 ± 0.2692
9 1342 1342/1342 1342 ± 0.00002439 5.48 5.302/5.676 5.44 ± 0.2813
10 1342 1342/1342 1342 ± 0.00002439 6.031 5.896/6.185 5.992 ± 0.3182
11 1342 1342/1342 1342 ± 0.00002439 6.288 6.147/6.398 6.233 ± 0.3295
12 1342 1342/1342 1342 ± 0.00002439 6.465 6.246/6.596 6.395 ± 0.3527
13 1342 1342/1342 1342 ± 0.00002439 6.815 6.715/7.143 6.84 ± 0.3736
14 1342 1342/1342 1342 ± 0.00002439 7.105 6.857/7.306 7.053 ± 0.421
15 1342 1342/1342 1342 ± 0.00002439 6.668 6.378/6.85 6.564 ± 0.4501
16 1342 1342/1342 1342 ± 0.000061 4.797 4.625/4.99 4.827 ± 0.3084
17 1342 1342/1342 1342 ± 0.00006021 5.032 4.868/5.248 5.079 ± 0.3337
output_dir
 
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-21 08:12:59.713
End
2024-12-21 09:01:36.804
Duration
0:48:37.090
Note, WebLog generation is not included in the time.

CASA logs for stage 8