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 5.599 5.316/6.31 5.668 ± 0.7435
ea02 1342 1342/1342 1342 ± 0.00004279 6.084 5.582/6.744 6.022 ± 0.8969
ea04 1342 1342/1342 1342 ± 0.00002714 5.401 5.298/6.124 5.583 ± 0.7329
ea05 1342 1342/1342 1342 ± 0.00001945 5.504 5.21/6.585 5.812 ± 0.7955
ea06 1342 1342/1342 1342 ± 0.00003704 5.199 4.857/5.819 5.283 ± 0.6562
ea07 1342 1342/1342 1342 ± 0.00004402 6.036 5.551/6.351 5.906 ± 0.8333
ea09 1342 1342/1342 1342 ± 0.00002609 5.326 5.059/5.831 5.345 ± 0.5957
ea10 1342 1342/1342 1342 ± 0.00004642 5.361 4.934/5.981 5.345 ± 0.7003
ea11 1342 1342/1342 1342 ± 0.00004375 6.076 5.62/6.722 6.031 ± 0.938
ea12 1342 1342/1342 1342 ± 0.00004028 5.787 5.7/6.688 5.999 ± 0.8986
ea13 1342 1342/1342 1342 ± 0.00001673 5.977 5.591/6.372 6.033 ± 0.723
ea14 1342 1342/1342 1342 ± 0.00003752 5.867 5.506/6.7 6.001 ± 0.8907
ea15 1342 1342/1342 1342 ± 0.00002607 5.771 5.498/6.604 5.893 ± 0.9252
ea16 1342 1342/1342 1342 ± 0.00002729 5.928 5.568/6.805 6.066 ± 0.9483
ea17 1342 1342/1342 1342 ± 0.00004268 6.074 5.653/7.035 6.103 ± 0.9386
ea18 1342 1342/1342 1342 ± 0.00004194 5.164 4.927/5.948 5.297 ± 0.6652
ea19 1342 1342/1342 1342 ± 0.000007497 5.802 5.62/6.713 6.064 ± 0.8208
ea20 1342 1342/1342 1342 ± 0.00004184 6.236 5.964/7.084 6.386 ± 0.9917
ea21 1342 1342/1342 1342 ± 0.0000292 5.602 5.198/6.401 5.753 ± 0.8107
ea22 1342 1342/1342 1342 ± 0.00003607 5.633 5.159/6.57 5.787 ± 0.8253
ea23 1342 1342/1342 1342 ± 0.00004385 6.007 5.544/6.767 6.035 ± 0.989
ea24 1342 1342/1342 1342 ± 0.00001694 5.282 4.874/6.204 5.48 ± 0.6995
ea25 1342 1342/1342 1342 ± 0.00004245 5.772 5.248/6.438 5.782 ± 0.8342
ea26 1342 1342/1342 1342 ± 0.0000259 5.9 5.787/6.916 6.12 ± 0.8687
ea27 1342 1342/1342 1342 ± 0.00004337 5.818 5.397/6.676 5.891 ± 0.8565
ea28 1342 1342/1342 1342 ± 0.00004267 5.793 5.648/6.738 6.018 ± 0.9062
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 ± 0.00002365 5.347 5.158/5.557 5.313 ± 0.305
3 1342 1342/1342 1342 ± 0.00003915 5.616 5.311/5.847 5.609 ± 0.4083
5 1342 1342/1342 1342 ± 0.00002627 5.608 5.351/5.744 5.624 ± 0.3185
6 1342 1342/1342 1342 ± 0.00002365 5.617 5.243/5.745 5.52 ± 0.2939
7 1342 1342/1342 1342 ± 0.00002365 5.593 5.39/5.757 5.547 ± 0.2926
8 1342 1342/1342 1342 ± 0.00002365 5.517 5.185/5.649 5.456 ± 0.3345
9 1342 1342/1342 1342 ± 0.00002365 5.79 5.395/5.933 5.692 ± 0.3333
10 1342 1342/1342 1342 ± 0.00002365 6.195 5.938/6.294 6.106 ± 0.3096
11 1342 1342/1342 1342 ± 0.00002365 6.413 6.082/6.639 6.372 ± 0.3269
12 1342 1342/1342 1342 ± 0.00002365 6.578 6.326/6.765 6.532 ± 0.3684
13 1342 1342/1342 1342 ± 0.00002365 6.909 6.749/7.237 6.906 ± 0.427
14 1342 1342/1342 1342 ± 0.00002365 7.229 6.868/7.389 7.077 ± 0.4419
15 1342 1342/1342 1342 ± 0.00002381 6.704 6.426/6.958 6.635 ± 0.4274
16 1342 1342/1342 1342 ± 0.00005578 4.36 4.236/4.48 4.356 ± 0.1786
17 1342 1342/1342 1342 ± 0.00005887 4.343 4.209/4.604 4.402 ± 0.2545
output_dir
 
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-20 20:56:56.689
End
2024-04-20 21:45:01.727
Duration
0:48:05.038
Note, WebLog generation is not included in the time.

CASA logs for stage 7