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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.792 5.282/6.245 5.644 ± 0.7273
ea02 1342 1342/1342 1342 ± 0.00004208 6.116 5.345/6.587 5.908 ± 0.9342
ea04 1342 1342/1342 1342 ± 0.00003866 5.404 5.03/6.058 5.465 ± 0.7904
ea05 1342 1342/1342 1342 ± 0.00001506 5.47 4.991/6.406 5.617 ± 0.8854
ea06 1342 1342/1342 1342 ± 0.0000384 5.289 4.856/5.89 5.257 ± 0.7362
ea07 1342 1342/1342 1342 ± 0.00003278 5.739 5.29/6.219 5.72 ± 0.8303
ea09 1342 1342/1342 1342 ± 0.00002993 5.531 5.072/6.21 5.463 ± 0.8208
ea10 1342 1342/1342 1342 ± 0.00003739 5.256 4.788/5.822 5.249 ± 0.7136
ea11 1342 1342/1342 1342 ± 0.00003631 5.92 5.395/6.603 5.853 ± 0.8615
ea12 1342 1342/1342 1342 ± 0.00003759 5.793 5.471/6.655 5.885 ± 0.8984
ea13 1342 1342/1342 1342 ± 0.00002199 5.65 5.485/6.226 5.819 ± 0.8392
ea14 1342 1342/1342 1342 ± 0.00003078 5.799 5.351/6.614 5.885 ± 0.9486
ea15 1342 1342/1342 1342 ± 0.00003792 5.771 5.314/6.528 5.798 ± 0.9429
ea16 1342 1342/1342 1342 ± 0.00002604 6.086 5.363/6.78 5.974 ± 1.082
ea17 1342 1342/1342 1342 ± 0.00003876 6.068 5.411/6.64 5.954 ± 0.943
ea18 1342 1342/1342 1342 ± 0.00003587 4.959 4.833/5.633 5.09 ± 0.6435
ea19 1342 1342/1342 1342 ± 0.00001564 5.701 5.43/6.744 5.887 ± 0.9452
ea20 1342 1342/1342 1342 ± 0.00003703 6.07 5.947/6.916 6.214 ± 0.9528
ea21 1342 1342/1342 1342 ± 0.0000223 5.616 5.316/6.345 5.694 ± 0.8712
ea22 1342 1342/1342 1342 ± 0.00003725 5.759 5.114/6.475 5.695 ± 0.9669
ea23 1342 1342/1342 1342 ± 0.0000322 5.832 5.452/6.648 5.929 ± 0.9397
ea24 1342 1342/1342 1342 ± 0.00001887 5.641 4.804/6.132 5.396 ± 0.8314
ea25 1342 1342/1342 1342 ± 0.00003699 5.601 5.297/6.334 5.666 ± 0.8329
ea26 1342 1342/1342 1342 ± 0.00002198 5.79 5.599/6.779 6.05 ± 0.9129
ea27 1342 1342/1342 1342 ± 0.00003775 5.588 5.276/6.508 5.711 ± 0.8342
ea28 1342 1342/1342 1342 ± 0.00003896 5.832 5.444/6.665 5.937 ± 0.9134
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 ± 0.00002352 5.385 5.256/5.602 5.371 ± 0.3162
5 1342 1342/1342 1342 ± 0.00002349 5.494 5.296/5.759 5.495 ± 0.403
6 1342 1342/1342 1342 ± 0.00002352 5.303 5.032/5.46 5.257 ± 0.2568
7 1342 1342/1342 1342 ± 0.00002372 5.344 5.14/5.473 5.311 ± 0.2568
8 1342 1342/1342 1342 ± 0.00002372 5.345 5.026/5.443 5.279 ± 0.2977
9 1342 1342/1342 1342 ± 0.00002577 5.605 5.313/5.816 5.58 ± 0.2973
10 1342 1342/1342 1342 ± 0.00002352 6.105 5.812/6.176 6.022 ± 0.2862
11 1342 1342/1342 1342 ± 0.00002352 6.328 6.054/6.532 6.307 ± 0.2993
12 1342 1342/1342 1342 ± 0.00002352 6.468 6.214/6.696 6.473 ± 0.3435
13 1342 1342/1342 1342 ± 0.00002414 6.563 6.341/6.813 6.526 ± 0.4057
14 1342 1342/1342 1342 ± 0.00002352 7.005 6.644/7.222 6.895 ± 0.4332
15 1342 1342/1342 1342 ± 0.00002995 6.579 6.304/6.841 6.522 ± 0.4312
16 1342 1342/1342 1342 ± 0.00005277 3.814 3.719/3.916 3.821 ± 0.1717
17 1342 1342/1342 1342 ± 0.00005653 3.812 3.65/3.982 3.825 ± 0.2851
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2024-10-31 09:03:14.419
End
2024-10-31 09:57:47.987
Duration
0:54:33.568
Note, WebLog generation is not included in the time.

CASA logs for stage 8