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

Statwt Summary Plot

VLASS2.1.sb38563510.eb38566235.59073.10379631944_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 5.329 5.295/6.06 5.456 ± 0.7446
ea02 1342 1342/1342 1342 ± 0.00004216 5.835 5.351/6.662 5.868 ± 0.9538
ea05 1342 1342/1342 1342 ± 0.00001256 5.665 5.061/6.133 5.598 ± 0.6778
ea06 1342 1342/1342 1342 ± 0 4.723 4.634/5.238 4.768 ± 0.5889
ea07 1342 1342/1342 1342 ± 0.00004223 5.77 5.416/6.019 5.554 ± 0.7628
ea08 1342 1342/1342 1342 ± 0.00004216 6.025 5.713/6.974 6.164 ± 1.035
ea09 1342 1342/1342 1342 ± 0.00002557 5.077 4.906/5.753 5.243 ± 0.6001
ea10 1342 1342/1342 1342 ± 0.00004282 5.639 5.261/6.491 5.677 ± 0.9073
ea11 1342 1342/1342 1342 ± 0.0000419 5.607 5.258/6.465 5.686 ± 0.9194
ea12 1342 1342/1342 1342 ± 0.000002232 5.441 5.223/6.402 5.603 ± 0.9308
ea13 1342 1342/1342 1342 ± 0.0000278 5.892 5.639/6.338 5.913 ± 0.7297
ea14 1342 1342/1342 1342 ± 0.00001863 6.619 5.85/6.691 6.065 ± 0.9667
ea15 1342 1342/1342 1342 ± 0 5.151 5.108/6.221 5.507 ± 0.8593
ea16 1342 1342/1342 1342 ± 0 5.202 5.048/5.413 5.181 ± 0.2251
ea17 1342 1342/1342 1342 ± 0.00004387 6.005 5.559/6.836 5.916 ± 0.9751
ea18 1342 1342/1342 1342 ± 0.0000277 4.998 4.707/5.742 4.985 ± 0.7658
ea19 1342 1342/1342 1342 ± 0 5.715 5.458/6.411 5.858 ± 0.6812
ea20 1342 1342/1342 1342 ± 0.000009826 5.867 5.663/6.92 5.936 ± 1.092
ea21 1342 1342/1342 1342 ± 0.00001724 5.58 5.393/6.271 5.642 ± 0.7359
ea22 1342 1342/1342 1342 ± 0.00004216 5.476 5.205/6.573 5.683 ± 0.8828
ea23 1342 1342/1342 1342 ± 0.00003351 5.691 5.51/6.59 5.819 ± 0.8668
ea25 1342 1342/1342 1342 ± 0 5.377 5.319/5.415 5.357 ± 0.1464
ea26 1342 1342/1342 1342 ± 0.00004008 5.645 5.513/6.636 5.854 ± 0.7872
ea27 1342 1342/1342 1342 ± 0.00004286 5.437 5.16/6.443 5.576 ± 0.9012
ea28 1342 1342/1342 1342 ± 0.00004216 5.696 5.442/6.636 5.828 ± 0.959
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 ± 0.0000244 5.528 5.313/5.777 5.496 ± 0.324
3 1342 1342/1342 1342 ± 0.00002803 5.138 4.923/5.304 5.14 ± 0.3123
5 1342 1342/1342 1342 ± 0.0000244 5.453 5.243/5.546 5.37 ± 0.3729
6 1342 1342/1342 1342 ± 0.0000244 5.403 5.194/5.477 5.331 ± 0.293
7 1342 1342/1342 1342 ± 0.0000244 5.315 5.205/5.569 5.326 ± 0.2687
8 1342 1342/1342 1342 ± 0.0000244 5.368 5.106/5.531 5.293 ± 0.3099
9 1342 1342/1342 1342 ± 0.0000244 5.628 5.415/5.861 5.576 ± 0.3675
10 1342 1342/1342 1342 ± 0.00002491 6.078 5.832/6.237 5.991 ± 0.3813
11 1342 1342/1342 1342 ± 0.00002491 6.397 6.1/6.491 6.272 ± 0.381
12 1342 1342/1342 1342 ± 0.00002491 6.574 6.216/6.674 6.446 ± 0.3989
13 1342 1342/1342 1342 ± 0.00002491 6.876 6.544/6.998 6.745 ± 0.4099
14 1342 1342/1342 1342 ± 0.00002602 6.702 6.285/7.031 6.636 ± 0.5237
15 1342 1342/1342 1342 ± 0.00002643 6.631 6.281/6.842 6.529 ± 0.5281
16 1342 1342/1342 1342 ± 0.0000594 3.991 3.761/4.238 4.002 ± 0.3275
17 1342 1342/1342 1342 ± 0.00006102 4.202 3.937/4.389 4.174 ± 0.3454
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38563510.eb38566235.59073.10379631944_split_split.ms
statwtmode
VLASS-SE
Start time
2025-04-25 12:33:00.862
End
2025-04-25 13:01:06.969
Duration
0:28:06.106
Note, WebLog generation is not included in the time.

CASA logs for stage 8