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

Statwt Summary Plot

VLASS2.1.sb38488196.eb38554922.59063.35858586806_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 5.538 5.472/6.301 5.87 ± 0.5004
ea02 1342 1342/1342 1342 ± 0 6.042 5.651/6.664 6.159 ± 0.643
ea04 1342 1342/1342 1342 ± 0 5.571 5.324/6.14 5.755 ± 0.5212
ea05 1342 1342/1342 1342 ± 0 5.94 5.744/6.58 6.119 ± 0.5705
ea06 1342 1342/1342 1342 ± 0 3.211 3.105/3.48 3.286 ± 0.2023
ea07 1342 1342/1342 1342 ± 0 5.708 5.518/5.921 5.75 ± 0.2414
ea08 1342 1342/1342 1342 ± 0.000005352 6.488 5.867/7.058 6.543 ± 0.7003
ea09 1342 1342/1342 1342 ± 0 5.135 4.894/5.432 5.175 ± 0.3514
ea10 1342 1342/1342 1342 ± 0.00004252 5.939 5.5/6.673 6.054 ± 0.6265
ea11 1342 1342/1342 1342 ± 0 5.981 5.55/6.609 6.092 ± 0.6747
ea12 1342 1342/1342 1342 ± 0 5.847 5.567/6.638 6.112 ± 0.6302
ea13 1342 1342/1342 1342 ± 0 6.302 5.908/6.404 6.273 ± 0.4612
ea14 1342 1342/1342 1342 ± 0 6.663 6.122/6.905 6.489 ± 0.6494
ea15 1342 1342/1342 1342 ± 0 5.854 5.544/6.507 6.09 ± 0.6117
ea16 1342 1342/1342 1342 ± 0 5.156 5.006/5.628 5.327 ± 0.4007
ea17 1342 1342/1342 1342 ± 0.00004099 6.123 5.639/6.951 6.297 ± 0.6962
ea18 1342 1342/1342 1342 ± 0 5.139 4.941/5.845 5.352 ± 0.5102
ea19 1342 1342/1342 1342 ± 0 6.722 6.285/7.053 6.707 ± 0.5133
ea21 1342 1342/1342 1342 ± 0 5.908 5.605/6.561 6.116 ± 0.5921
ea22 1342 1342/1342 1342 ± 0 5.74 5.349/6.29 5.785 ± 0.5689
ea23 1342 1342/1342 1342 ± 0.000001615 6.027 5.589/6.806 6.218 ± 0.7614
ea25 1342 1342/1342 1342 ± 0 5.506 5.26/5.664 5.306 ± 0.7654
ea26 1342 1342/1342 1342 ± 0 6.311 5.819/6.885 6.389 ± 0.605
ea27 1342 1342/1342 1342 ± 0.00004272 5.779 5.563/6.632 6.047 ± 0.6024
ea28 1342 1342/1342 1342 ± 0.00003827 5.75 5.573/6.624 6.137 ± 0.6759
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 ± 0.00002545 5.569 5.354/5.807 5.548 ± 0.2805
5 1342 1342/1342 1342 ± 0.00002545 5.696 5.515/5.877 5.67 ± 0.3436
6 1342 1342/1342 1342 ± 0.00002545 5.543 5.352/5.613 5.48 ± 0.2877
7 1342 1342/1342 1342 ± 0.00002545 5.512 5.323/5.677 5.479 ± 0.2689
8 1342 1342/1342 1342 ± 0.00002545 5.534 5.357/5.724 5.485 ± 0.321
9 1342 1342/1342 1342 ± 0.00002545 5.862 5.522/6.047 5.751 ± 0.42
10 1342 1342/1342 1342 ± 0.00002492 6.247 5.93/6.37 6.009 ± 0.6691
11 1342 1342/1342 1342 ± 0.00002457 6.503 6.01/6.62 6.12 ± 0.9322
12 1342 1342/1342 1342 ± 0.00002492 6.624 6.304/6.782 6.369 ± 0.7852
13 1342 1342/1342 1342 ± 0.00002492 7.082 6.621/7.254 6.788 ± 0.8462
14 1342 1342/1342 1342 ± 0.00002492 7.191 6.836/7.416 6.956 ± 0.8557
15 1342 1342/1342 1342 ± 0.00002492 6.717 6.337/6.925 6.474 ± 0.8672
16 1342 1342/1342 1342 ± 0.00004982 5.5 5.198/5.746 5.424 ± 0.6359
17 1342 1342/1342 1342 ± 0.00004854 5.568 5.278/5.752 5.479 ± 0.6195
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38488196.eb38554922.59063.35858586806_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-03-07 09:29:09.893
End
2025-03-07 09:55:10.287
Duration
0:26:00.394
Note, WebLog generation is not included in the time.

CASA logs for stage 8