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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.474 5.133/6.211 5.591 ± 0.8003
ea02 1342 1342/1342 1342 ± 0.00004913 5.848 5.239/6.709 5.883 ± 0.9264
ea04 1342 1342/1342 1342 ± 0.00001991 5.572 4.973/6.145 5.493 ± 0.8069
ea05 1342 1342/1342 1342 ± 0.00002537 5.979 5.102/6.418 5.778 ± 0.8605
ea06 1342 1342/1342 1342 ± 0.0000323 5.102 4.527/5.323 4.867 ± 0.5774
ea07 1342 1342/1342 1342 ± 0.00004189 5.938 5.346/6.419 5.869 ± 0.9427
ea08 1342 1342/1342 1342 ± 0.00004346 5.909 5.424/6.865 6.071 ± 1.04
ea09 1342 1342/1342 1342 ± 0.00002887 5.782 5.116/6.6 5.755 ± 0.8873
ea10 1342 1342/1342 1342 ± 0.00003671 5.897 5.252/6.842 5.955 ± 0.9148
ea11 1342 1342/1342 1342 ± 0.00004276 5.591 5.135/6.633 5.818 ± 1.015
ea12 1342 1342/1342 1342 ± 0.00003786 6.012 5.302/6.63 5.826 ± 0.979
ea13 1342 1342/1342 1342 ± 0.00001639 6.174 5.621/6.449 5.996 ± 0.7927
ea14 1342 1342/1342 1342 ± 0.0000405 5.693 5.304/6.559 5.843 ± 0.9195
ea15 1342 1342/1342 1342 ± 0.00001512 5.33 5.026/6.274 5.567 ± 0.909
ea16 1342 1342/1342 1342 ± 0.00003561 5.999 5.581/6.977 6.148 ± 1.014
ea17 1342 1342/1342 1342 ± 0.00004289 5.8 5.52/7.096 6.001 ± 1.038
ea18 1342 1342/1342 1342 ± 0.00004111 5.176 4.706/5.77 5.149 ± 0.7104
ea19 1342 1342/1342 1342 ± 0.00001504 6.109 5.593/6.84 6.15 ± 0.9206
ea20 1342 1342/1342 1342 ± 0.00004226 6.195 5.559/7.127 6.145 ± 1.069
ea21 1342 1342/1342 1342 ± 0.00003754 5.757 5.395/6.525 5.804 ± 0.8808
ea22 1342 1342/1342 1342 ± 0.00003863 5.207 4.967/6.415 5.581 ± 0.8459
ea23 1342 1342/1342 1342 ± 0.00004347 5.852 5.441/6.75 5.964 ± 1.046
ea25 1342 1342/1342 1342 ± 0.00004199 5.531 5.193/6.424 5.671 ± 0.9003
ea26 1342 1342/1342 1342 ± 0.00002869 6.049 5.684/6.931 6.129 ± 0.9493
ea27 1342 1342/1342 1342 ± 0.00004248 5.671 5.33/6.668 5.759 ± 0.9218
ea28 1342 1342/1342 1342 ± 0.00004408 5.802 5.369/6.639 5.868 ± 0.9673
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 5.737 5.488/6.001 5.72 ± 0.3312
5 1342 1342/1342 1342 ± 0.00003445 5.6 5.414/5.691 5.523 ± 0.3057
6 1342 1342/1342 1342 ± 0.00002349 5.278 5.106/5.399 5.242 ± 0.2882
7 1342 1342/1342 1342 ± 0.00002349 5.31 5.136/5.443 5.285 ± 0.2819
8 1342 1342/1342 1342 ± 0.00002349 5.376 5.105/5.444 5.282 ± 0.308
9 1342 1342/1342 1342 ± 0.00002349 5.59 5.327/5.862 5.548 ± 0.3556
10 1342 1342/1342 1342 ± 0.00002349 6.108 5.939/6.315 6.071 ± 0.3374
11 1342 1342/1342 1342 ± 0.00002349 6.469 6.254/6.541 6.364 ± 0.3534
12 1342 1342/1342 1342 ± 0.00002349 6.624 6.418/6.749 6.56 ± 0.3831
13 1342 1342/1342 1342 ± 0.00002349 7.009 6.845/7.194 6.981 ± 0.426
14 1342 1342/1342 1342 ± 0.00002349 7.225 6.975/7.414 7.143 ± 0.4742
15 1342 1342/1342 1342 ± 0.00002458 6.782 6.548/7.027 6.72 ± 0.4618
16 1342 1342/1342 1342 ± 0.00005437 4.189 4.043/4.348 4.194 ± 0.1998
17 1342 1342/1342 1342 ± 0.00005616 4.247 4.09/4.407 4.255 ± 0.2347
datacolumn
residual_data
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-11-03 00:54:37.975
End
2024-11-03 02:05:50.416
Duration
1:11:12.441
Note, WebLog generation is not included in the time.

CASA logs for stage 8