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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.617 5.451/6.431 5.779 ± 0.7782
ea02 1342 1342/1342 1342 ± 0.00004401 6.074 5.559/6.855 6.053 ± 0.9163
ea04 1342 1342/1342 1342 ± 0.00001969 5.552 5.265/6.206 5.682 ± 0.739
ea05 1342 1342/1342 1342 ± 0.00002718 5.566 5.184/6.606 5.807 ± 0.8213
ea06 1342 1342/1342 1342 ± 0.00003654 5.597 4.809/5.882 5.274 ± 0.7491
ea07 1342 1342/1342 1342 ± 0.00004003 5.903 5.52/6.419 5.96 ± 0.8355
ea09 1342 1342/1342 1342 ± 0.00002602 5.529 5.016/5.87 5.411 ± 0.646
ea10 1342 1342/1342 1342 ± 0.00003998 5.322 4.946/6.107 5.434 ± 0.7068
ea11 1342 1342/1342 1342 ± 0.00004313 6.051 5.623/6.783 6.06 ± 0.9679
ea12 1342 1342/1342 1342 ± 0.0000403 5.793 5.529/6.756 5.984 ± 0.9865
ea13 1342 1342/1342 1342 ± 0.00001486 5.848 5.472/6.421 6.014 ± 0.7618
ea14 1342 1342/1342 1342 ± 0.00004207 5.774 5.487/6.75 6 ± 0.9333
ea15 1342 1342/1342 1342 ± 0.0000261 5.81 5.529/6.63 5.923 ± 0.934
ea16 1342 1342/1342 1342 ± 0.00003926 5.982 5.415/6.887 6.065 ± 1.034
ea17 1342 1342/1342 1342 ± 0.00004316 6.052 5.52/7.254 6.147 ± 1.019
ea18 1342 1342/1342 1342 ± 0.00003789 5.144 5.072/6.025 5.394 ± 0.6702
ea19 1342 1342/1342 1342 ± 0.00001255 5.799 5.624/6.847 6.108 ± 0.8644
ea20 1342 1342/1342 1342 ± 0.00004169 6.163 6.047/7.184 6.401 ± 1.064
ea21 1342 1342/1342 1342 ± 0.00003968 5.654 5.345/6.447 5.806 ± 0.828
ea22 1342 1342/1342 1342 ± 0.00004157 6.254 5.03/6.575 5.887 ± 0.9508
ea23 1342 1342/1342 1342 ± 0.00004392 5.93 5.563/6.863 6.076 ± 1.002
ea24 1342 1342/1342 1342 ± 0.00001752 5.252 4.919/6.248 5.506 ± 0.7275
ea25 1342 1342/1342 1342 ± 0.00004296 5.828 5.444/6.563 5.846 ± 0.8884
ea26 1342 1342/1342 1342 ± 0.00002816 5.954 5.663/7.012 6.142 ± 0.9547
ea27 1342 1342/1342 1342 ± 0.00004246 5.876 5.57/6.808 5.987 ± 0.8941
ea28 1342 1342/1342 1342 ± 0.00004322 5.809 5.662/6.831 6.06 ± 0.9381
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 ± 0.00002348 5.538 5.352/5.702 5.463 ± 0.3239
3 1342 1342/1342 1342 ± 0.00003997 5.253 4.8/5.409 5.161 ± 0.3395
6 1342 1342/1342 1342 ± 0.00002375 5.533 5.235/5.649 5.453 ± 0.2889
7 1342 1342/1342 1342 ± 0.00002404 5.562 5.369/5.646 5.503 ± 0.2814
8 1342 1342/1342 1342 ± 0.00002404 5.487 5.248/5.612 5.459 ± 0.3065
9 1342 1342/1342 1342 ± 0.00002681 5.797 5.456/5.923 5.703 ± 0.3035
10 1342 1342/1342 1342 ± 0.00002348 6.306 5.978/6.365 6.205 ± 0.3064
11 1342 1342/1342 1342 ± 0.00002348 6.502 6.202/6.684 6.457 ± 0.3316
12 1342 1342/1342 1342 ± 0.00002348 6.626 6.41/6.864 6.615 ± 0.3764
13 1342 1342/1342 1342 ± 0.00002348 7.043 6.8/7.331 6.983 ± 0.4308
14 1342 1342/1342 1342 ± 0.00002348 7.231 6.898/7.404 7.081 ± 0.4534
15 1342 1342/1342 1342 ± 0.00002361 6.668 6.326/6.888 6.582 ± 0.4284
16 1342 1342/1342 1342 ± 0.00005583 4.345 4.234/4.463 4.345 ± 0.1747
17 1342 1342/1342 1342 ± 0.00005748 4.35 4.204/4.567 4.389 ± 0.2889
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
Start time
2024-04-20 23:00:18.965
End
2024-04-21 00:07:38.597
Duration
1:07:19.632
Note, WebLog generation is not included in the time.

CASA logs for stage 7