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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.72 5.2/6.484 5.765 ± 0.8876
ea03 1342 1342/1342 1342 ± 0.00002531 4.807 4.328/5.881 5.041 ± 0.8061
ea04 1342 1342/1342 1342 ± 0.00003227 4.953 4.652/5.885 5.148 ± 0.7054
ea05 1342 1342/1342 1342 ± 0.00001919 5.183 4.879/5.971 5.367 ± 0.6733
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00003529 5.828 5.335/6.221 5.814 ± 0.8504
ea08 1342 1342/1342 1342 ± 0.00003853 5.817 5.289/6.495 5.848 ± 0.8557
ea09 1342 1342/1342 1342 ± 0.00004159 5.157 4.956/6.344 5.459 ± 0.8504
ea10 1342 1342/1342 1342 ± 0.00003897 5.764 5.139/6.58 5.749 ± 0.8364
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003666 5.207 5.013/6.261 5.475 ± 0.7895
ea13 1342 1342/1342 1342 ± 0.00002177 5.26 4.951/5.895 5.434 ± 0.7316
ea14 1342 1342/1342 1342 ± 0.00002766 5.482 4.976/6.299 5.653 ± 0.7999
ea15 1342 1342/1342 1342 ± 0.0000146 1.721 1.652/1.9 1.787 ± 0.2125
ea17 1342 1342/1342 1342 ± 0.00003948 6.034 5.494/7.076 6.086 ± 0.8937
ea18 1342 1342/1342 1342 ± 0.00004032 4.698 4.443/5.439 4.843 ± 0.5215
ea19 1342 1342/1342 1342 ± 0.00002648 5.305 5.113/6.287 5.589 ± 0.7402
ea20 1342 1342/1342 1342 ± 0.00003967 5.685 5.307/6.753 5.887 ± 0.7899
ea21 1342 1342/1342 1342 ± 0.00002105 5.438 5.074/6.211 5.595 ± 0.7522
ea23 1342 1342/1342 1342 ± 0.00002442 5.423 5.182/5.702 5.304 ± 0.6268
ea24 1342 1342/1342 1342 ± 0.00003999 5.5 5.132/6.488 5.625 ± 0.8174
ea25 1342 1342/1342 1342 ± 0.00004012 5.48 5.053/6.247 5.507 ± 0.7397
ea26 1342 1342/1342 1342 ± 0.0000423 5.48 5.031/6.605 5.713 ± 0.9352
ea27 1342 1342/1342 1342 ± 0.00003921 5.282 5.035/6.358 5.571 ± 0.7886
ea28 1342 1342/1342 1342 ± 0.0000386 5.291 5.034/6.138 5.501 ± 0.6966
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 ± 0.00002521 5.126 4.976/5.213 4.954 ± 0.7405
5 1342 1342/1342 1342 ± 0.00002521 5.006 4.847/5.297 4.885 ± 0.7733
6 1342 1342/1342 1342 ± 0.00002501 5.112 4.954/5.258 4.921 ± 0.7549
7 1342 1342/1342 1342 ± 0.00002513 5.16 5.045/5.283 4.993 ± 0.7563
8 1342 1342/1342 1342 ± 0.00002524 5.122 4.953/5.282 4.997 ± 0.7714
9 1342 1342/1342 1342 ± 0.00002516 5.445 5.202/5.722 5.257 ± 0.8282
10 1342 1342/1342 1342 ± 0.00002519 5.814 5.552/6.025 5.582 ± 0.9078
11 1342 1342/1342 1342 ± 0.00002513 6.092 5.804/6.316 5.878 ± 0.9103
12 1342 1342/1342 1342 ± 0.00002521 6.262 5.899/6.48 6.067 ± 0.9564
13 1342 1342/1342 1342 ± 0.00002507 6.611 6.329/6.759 6.363 ± 0.9729
14 1342 1342/1342 1342 ± 0.00002507 6.69 6.353/6.929 6.423 ± 1.023
15 1342 1342/1342 1342 ± 0.00002513 6.541 6.101/6.968 6.363 ± 1.049
16 1342 1342/1342 1342 ± 0.00005736 4.407 4.178/4.615 4.277 ± 0.6817
17 1342 1342/1342 1342 ± 0.00005697 4.118 3.942/4.325 4.039 ± 0.6086
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-03-07 23:57:07.387
End
2025-03-08 00:24:53.440
Duration
0:27:46.053
Note, WebLog generation is not included in the time.

CASA logs for stage 8