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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.768 5.438/6.113 5.847 ± 0.5127
ea02 1342 1342/1342 1342 ± 0 6.198 5.608/6.743 6.232 ± 0.6365
ea04 1342 1342/1342 1342 ± 0 5.586 5.206/6.151 5.696 ± 0.5509
ea05 1342 1342/1342 1342 ± 0 5.815 5.419/6.234 5.857 ± 0.5764
ea06 1342 1342/1342 1342 ± 0 4.849 4.663/5.343 4.979 ± 0.3979
ea07 1342 1342/1342 1342 ± 0 6.07 5.624/6.405 6.152 ± 0.5602
ea08 1342 1342/1342 1342 ± 0 6.086 5.729/6.859 6.319 ± 0.6458
ea09 1342 1342/1342 1342 ± 0 5.802 5.325/6.372 5.919 ± 0.6448
ea10 1342 1342/1342 1342 ± 0.000008767 6.02 5.567/6.702 6.146 ± 0.6463
ea11 1342 1342/1342 1342 ± 0 5.963 5.311/6.461 5.963 ± 0.6593
ea12 1342 1342/1342 1342 ± 0 5.89 5.52/6.509 6.078 ± 0.6247
ea13 1342 1342/1342 1342 ± 0 6.415 5.906/6.594 6.3 ± 0.5155
ea14 1342 1342/1342 1342 ± 0 5.903 5.409/6.44 5.976 ± 0.6427
ea15 1342 1342/1342 1342 ± 0 5.678 5.21/6.314 5.842 ± 0.7002
ea16 1342 1342/1342 1342 ± 0 6.319 5.835/6.864 6.455 ± 0.702
ea17 1342 1342/1342 1342 ± 0.000008302 6.135 5.751/6.845 6.262 ± 0.6423
ea18 1342 1342/1342 1342 ± 0 5.153 4.86/5.641 5.265 ± 0.5135
ea19 1342 1342/1342 1342 ± 0 5.783 5.644/6.855 6.247 ± 0.6757
ea20 1342 1342/1342 1342 ± 0 6.221 5.851/6.814 6.366 ± 0.6463
ea21 1342 1342/1342 1342 ± 0 5.8 5.519/6.353 5.961 ± 0.5667
ea22 1342 1342/1342 1342 ± 0 6.066 5.344/6.483 5.943 ± 0.6127
ea23 1342 1342/1342 1342 ± 0 6.22 5.686/6.755 6.286 ± 0.6868
ea25 1342 1342/1342 1342 ± 0.000001692 5.806 5.419/6.328 5.887 ± 0.5878
ea26 1342 1342/1342 1342 ± 0 6.365 5.741/6.998 6.354 ± 0.6677
ea27 1342 1342/1342 1342 ± 0.00002647 5.753 5.499/6.532 5.951 ± 0.5873
ea28 1342 1342/1342 1342 ± 0 5.828 5.556/6.552 6.028 ± 0.6412
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 ± 0.00002348 5.552 5.357/5.74 5.516 ± 0.283
3 1342 1342/1342 1342 ± 0.0000258 5.268 5.118/5.566 5.308 ± 0.3142
4 1342 1342/1342 1342 ± 0.00002691 5.257 5.093/5.559 5.258 ± 0.3285
5 1342 1342/1342 1342 ± 0.00002348 5.578 5.341/5.765 5.539 ± 0.3512
6 1342 1342/1342 1342 ± 0.00002348 5.508 5.247/5.651 5.456 ± 0.3108
7 1342 1342/1342 1342 ± 0.00002348 5.526 5.341/5.684 5.499 ± 0.2909
8 1342 1342/1342 1342 ± 0.00002348 5.519 5.307/5.62 5.435 ± 0.3162
9 1342 1342/1342 1342 ± 0.00002348 5.762 5.533/6.007 5.714 ± 0.374
10 1342 1342/1342 1342 ± 0.00002393 6.157 5.963/6.374 6.122 ± 0.3431
11 1342 1342/1342 1342 ± 0.00002393 6.418 6.209/6.541 6.335 ± 0.3484
12 1342 1342/1342 1342 ± 0.00002348 6.519 6.421/6.759 6.512 ± 0.38
13 1342 1342/1342 1342 ± 0.00002348 7.016 6.929/7.236 6.994 ± 0.4024
14 1342 1342/1342 1342 ± 0.00002348 7.264 7.016/7.473 7.161 ± 0.4489
15 1342 1342/1342 1342 ± 0.00002348 6.757 6.587/7.042 6.716 ± 0.4259
16 1342 1342/1342 1342 ± 0.00002852 6.101 5.959/6.483 6.145 ± 0.3755
17 1342 1342/1342 1342 ± 0.00002722 6.155 5.997/6.348 6.15 ± 0.3504
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-07 02:55:23.910
End
2025-01-07 03:50:42.055
Duration
0:55:18.145
Note, WebLog generation is not included in the time.

CASA logs for stage 8