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 5.509 5.122/6.046 5.644 ± 0.6548
ea02 1342 1342/1342 1342 ± 0.00003205 5.894 5.216/6.689 5.97 ± 0.8461
ea04 1342 1342/1342 1342 ± 0.00002212 5.304 5.137/6.035 5.53 ± 0.6798
ea05 1342 1342/1342 1342 ± 0.000009268 5.455 5.209/6.623 5.884 ± 0.812
ea06 1342 1342/1342 1342 ± 0.00002923 5.008 4.752/5.811 5.229 ± 0.6402
ea07 1342 1342/1342 1342 ± 0.00004105 5.714 5.349/6.326 5.849 ± 0.7525
ea09 1342 1342/1342 1342 ± 0.000001229 5.19 5.001/5.806 5.338 ± 0.5407
ea10 1342 1342/1342 1342 ± 0.00004398 5.074 4.706/5.944 5.287 ± 0.6621
ea11 1342 1342/1342 1342 ± 0.00004325 5.877 5.504/6.679 5.947 ± 0.8524
ea12 1342 1342/1342 1342 ± 0.00003287 5.625 5.483/6.47 5.977 ± 0.8134
ea13 1342 1342/1342 1342 ± 0 5.857 5.496/6.358 6.034 ± 0.693
ea14 1342 1342/1342 1342 ± 0.0000344 5.55 5.314/6.549 5.942 ± 0.7767
ea15 1342 1342/1342 1342 ± 0.00001981 5.655 5.443/6.475 5.887 ± 0.8401
ea16 1342 1342/1342 1342 ± 0.00001391 5.809 5.238/6.735 6.019 ± 0.9604
ea17 1342 1342/1342 1342 ± 0.00004492 5.943 5.315/6.649 6.044 ± 0.8632
ea18 1342 1342/1342 1342 ± 0.0000416 4.953 4.698/5.645 5.142 ± 0.66
ea19 1342 1342/1342 1342 ± 0.00001878 5.667 5.505/6.756 6.036 ± 0.7894
ea20 1342 1342/1342 1342 ± 0.00003998 6.149 5.81/6.978 6.303 ± 0.8792
ea21 1342 1342/1342 1342 ± 0.00002265 5.533 5.08/6.348 5.744 ± 0.7715
ea22 1342 1342/1342 1342 ± 0.000005065 5.48 5.068/6.37 5.72 ± 0.7771
ea23 1342 1342/1342 1342 ± 0.00003979 5.737 5.431/6.697 6.053 ± 0.8719
ea24 1342 1342/1342 1342 ± 0 5.179 4.86/6.17 5.467 ± 0.6677
ea25 1342 1342/1342 1342 ± 0.00004375 5.589 5.141/6.254 5.725 ± 0.7521
ea26 1342 1342/1342 1342 ± 0.000001229 5.806 5.597/6.864 6.142 ± 0.773
ea27 1342 1342/1342 1342 ± 0.00004517 5.68 5.291/6.638 5.848 ± 0.7518
ea28 1342 1342/1342 1342 ± 0.00004251 5.668 5.568/6.6 5.975 ± 0.7986
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 ± 0.00002357 5.242 5.028/5.435 5.189 ± 0.3168
3 1342 1342/1342 1342 ± 0.00003464 5.058 4.863/5.23 5.042 ± 0.3653
5 1342 1342/1342 1342 ± 0.00002367 6.086 5.848/6.472 6.106 ± 0.6067
6 1342 1342/1342 1342 ± 0.00002357 5.478 5.139/5.591 5.387 ± 0.2928
7 1342 1342/1342 1342 ± 0.00002357 5.511 5.255/5.656 5.459 ± 0.2956
8 1342 1342/1342 1342 ± 0.00002357 5.444 5.128/5.547 5.37 ± 0.3404
9 1342 1342/1342 1342 ± 0.00002357 5.556 5.223/5.67 5.467 ± 0.3143
10 1342 1342/1342 1342 ± 0.00002353 6.136 5.948/6.257 6.059 ± 0.3057
11 1342 1342/1342 1342 ± 0.00002353 6.375 6.043/6.548 6.338 ± 0.3149
12 1342 1342/1342 1342 ± 0.00002353 6.599 6.312/6.733 6.501 ± 0.36
13 1342 1342/1342 1342 ± 0.00002353 6.957 6.71/7.245 6.925 ± 0.4184
14 1342 1342/1342 1342 ± 0.00002353 7.265 6.936/7.396 7.108 ± 0.4358
15 1342 1342/1342 1342 ± 0.00002926 6.393 5.998/6.774 6.376 ± 0.5284
16 1342 1342/1342 1342 ± 0.00005971 4.545 4.405/4.674 4.536 ± 0.2011
17 1342 1342/1342 1342 ± 0.00006051 5.013 4.845/5.184 5.021 ± 0.2676
overwrite_modelcol
False
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-04-21 00:57:04.907
End
2024-04-21 01:52:17.828
Duration
0:55:12.920
Note, WebLog generation is not included in the time.

CASA logs for stage 7