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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.438 5.337/6.115 5.714 ± 0.4873
ea02 1342 1342/1342 1342 ± 0 5.95 5.64/6.733 6.141 ± 0.6124
ea04 1342 1342/1342 1342 ± 0 5.519 5.143/6.179 5.649 ± 0.5419
ea05 1342 1342/1342 1342 ± 0 5.959 5.439/6.535 5.954 ± 0.6003
ea06 1342 1342/1342 1342 ± 0 5.039 4.587/5.324 4.99 ± 0.4133
ea07 1342 1342/1342 1342 ± 0 5.744 5.438/6.26 5.936 ± 0.5624
ea08 1342 1342/1342 1342 ± 0 5.946 5.687/6.8 6.222 ± 0.6213
ea09 1342 1342/1342 1342 ± 0 5.898 5.336/6.619 5.95 ± 0.6215
ea10 1342 1342/1342 1342 ± 0.00002587 5.66 5.269/6.366 5.793 ± 0.5631
ea11 1342 1342/1342 1342 ± 0 6.051 5.236/6.361 5.929 ± 0.6173
ea12 1342 1342/1342 1342 ± 0 6.023 5.432/6.513 6.061 ± 0.6308
ea13 1342 1342/1342 1342 ± 0 6.168 5.77/6.386 6.181 ± 0.4807
ea14 1342 1342/1342 1342 ± 0.00001497 5.718 5.355/6.484 5.882 ± 0.6415
ea15 1342 1342/1342 1342 ± 0 5.735 5.075/6.254 5.732 ± 0.6936
ea16 1342 1342/1342 1342 ± 0.000002078 6.07 5.788/6.834 6.271 ± 0.6598
ea17 1342 1342/1342 1342 ± 0 6.057 5.628/6.501 6.141 ± 0.5812
ea18 1342 1342/1342 1342 ± 0 5.227 4.801/5.712 5.264 ± 0.5347
ea19 1342 1342/1342 1342 ± 0 6.168 5.609/6.781 6.172 ± 0.6201
ea20 1342 1342/1342 1342 ± 0 6.359 5.755/6.763 6.317 ± 0.6325
ea21 1342 1342/1342 1342 ± 0 5.682 5.471/6.366 5.874 ± 0.561
ea22 1342 1342/1342 1342 ± 0 5.669 5.331/6.517 5.896 ± 0.611
ea23 1342 1342/1342 1342 ± 0.000007852 5.698 5.529/6.624 6.064 ± 0.6623
ea25 1342 1342/1342 1342 ± 0 5.906 5.349/6.238 5.849 ± 0.573
ea26 1342 1342/1342 1342 ± 0 6.041 5.664/6.802 6.22 ± 0.5903
ea27 1342 1342/1342 1342 ± 0.00004051 5.707 5.427/6.416 5.876 ± 0.5491
ea28 1342 1342/1342 1342 ± 0 5.66 5.47/6.545 5.957 ± 0.6163
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 ± 0.00002351 5.45 5.251/5.646 5.413 ± 0.267
4 1342 1342/1342 1342 ± 0.00002351 5.289 5.201/5.554 5.311 ± 0.3838
5 1342 1342/1342 1342 ± 0.00002351 5.458 5.255/5.593 5.438 ± 0.3329
6 1342 1342/1342 1342 ± 0.00002351 5.331 5.132/5.512 5.318 ± 0.3051
7 1342 1342/1342 1342 ± 0.00002351 5.404 5.248/5.6 5.403 ± 0.2853
8 1342 1342/1342 1342 ± 0.00002351 5.442 5.188/5.589 5.361 ± 0.3004
9 1342 1342/1342 1342 ± 0.00002351 5.72 5.532/5.9 5.644 ± 0.3396
10 1342 1342/1342 1342 ± 0.00002351 6.107 6.021/6.26 6.069 ± 0.3185
11 1342 1342/1342 1342 ± 0.00002351 6.371 6.174/6.445 6.287 ± 0.336
12 1342 1342/1342 1342 ± 0.00002351 6.512 6.337/6.636 6.445 ± 0.3567
13 1342 1342/1342 1342 ± 0.00002351 6.944 6.741/7.068 6.872 ± 0.3786
14 1342 1342/1342 1342 ± 0.00002351 7.038 6.874/7.3 7.009 ± 0.4126
15 1342 1342/1342 1342 ± 0.00002351 6.556 6.382/6.784 6.524 ± 0.3786
16 1342 1342/1342 1342 ± 0.00003685 5.827 5.661/6.076 5.867 ± 0.3336
17 1342 1342/1342 1342 ± 0.00003448 5.933 5.67/6.128 5.886 ± 0.3342
datacolumn
residual_data
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-05-17 07:58:45.002
End
2024-05-17 09:01:47.021
Duration
1:03:02.019
Note, WebLog generation is not included in the time.

CASA logs for stage 8