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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.372 5.774/6.755 6.337 ± 0.6499
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.0000263 5.835 5.475/6.336 5.972 ± 0.6148
ea06 1342 1342/1342 1342 ± 0 6.09 5.556/6.536 6.086 ± 0.615
ea07 1342 1342/1342 1342 ± 0 6.131 5.592/6.359 6.113 ± 0.5779
ea08 1342 1342/1342 1342 ± 0 6.249 5.713/6.804 6.378 ± 0.6423
ea09 1342 1342/1342 1342 ± 0 6.023 5.58/6.805 6.195 ± 0.6595
ea10 1342 1342/1342 1342 ± 0 6.176 5.721/6.983 6.316 ± 0.6591
ea11 1342 1342/1342 1342 ± 0 6.061 5.699/6.633 6.202 ± 0.6483
ea12 1342 1342/1342 1342 ± 0 6.291 5.712/6.766 6.339 ± 0.6563
ea13 1342 1342/1342 1342 ± 0 5.879 5.525/6.272 5.977 ± 0.501
ea14 1342 1342/1342 1342 ± 0 6.371 5.867/7.017 6.533 ± 0.725
ea15 1342 1342/1342 1342 ± 0 5.761 5.303/6.168 5.773 ± 0.5715
ea16 1342 1342/1342 1342 ± 0 6.44 5.93/6.934 6.528 ± 0.7259
ea17 1342 1342/1342 1342 ± 0 6.519 6.073/7.447 6.716 ± 0.6876
ea18 1342 1342/1342 1342 ± 0 5.07 4.707/5.532 5.166 ± 0.5172
ea19 1342 1342/1342 1342 ± 0 6.532 6.052/7.206 6.647 ± 0.7046
ea20 1342 1342/1342 1342 ± 0 6.108 5.887/7.011 6.357 ± 0.6234
ea21 1342 1342/1342 1342 ± 0.000005901 5.982 5.706/6.674 6.236 ± 0.6106
ea22 1342 1342/1342 1342 ± 0 6.229 5.4/6.605 6.105 ± 0.6715
ea23 1342 1342/1342 1342 ± 0 6.278 5.966/6.908 6.53 ± 0.6593
ea24 1342 1342/1342 1342 ± 0 6.008 5.215/6.507 5.851 ± 0.6262
ea26 1342 1342/1342 1342 ± 0 6.438 5.943/7.256 6.531 ± 0.7563
ea27 1342 1342/1342 1342 ± 0 6.062 5.951/7.149 6.434 ± 0.7277
ea28 1342 1342/1342 1342 ± 0 6.086 5.941/7.02 6.453 ± 0.6927
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 5.821 5.571/5.943 5.759 ± 0.3338
4 1342 1342/1342 1342 ± 0.00002813 5.375 5.116/5.547 5.335 ± 0.3466
5 1342 1342/1342 1342 ± 0.0000244 5.784 5.569/5.909 5.702 ± 0.3431
6 1342 1342/1342 1342 ± 0.0000244 5.69 5.405/5.882 5.64 ± 0.308
7 1342 1342/1342 1342 ± 0.0000244 5.705 5.499/5.913 5.665 ± 0.3068
8 1342 1342/1342 1342 ± 0.0000244 5.645 5.286/5.883 5.594 ± 0.357
9 1342 1342/1342 1342 ± 0.0000244 6.026 5.616/6.134 5.875 ± 0.3624
10 1342 1342/1342 1342 ± 0.0000244 6.43 6.217/6.59 6.329 ± 0.3613
11 1342 1342/1342 1342 ± 0.0000244 6.621 6.403/6.861 6.576 ± 0.3814
12 1342 1342/1342 1342 ± 0.0000244 6.763 6.495/7.008 6.719 ± 0.4216
13 1342 1342/1342 1342 ± 0.0000244 7.22 6.907/7.562 7.191 ± 0.4395
14 1342 1342/1342 1342 ± 0.0000244 7.506 7.255/7.806 7.43 ± 0.4343
15 1342 1342/1342 1342 ± 0.0000244 7.113 6.759/7.466 7.077 ± 0.4402
16 1342 1342/1342 1342 ± 0.0000244 6.281 6.088/6.548 6.298 ± 0.4014
17 1342 1342/1342 1342 ± 0.0000248 6.256 6.021/6.374 6.195 ± 0.3485
overwrite_modelcol
False
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-04-18 09:19:38.014
End
2025-04-18 10:23:27.849
Duration
1:03:49.836
Note, WebLog generation is not included in the time.

CASA logs for stage 8