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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.57 5.371/6.212 5.757 ± 0.544
ea02 1342 1342/1342 1342 ± 0.00001924 5.902 5.499/6.56 5.996 ± 0.6653
ea04 1342 1342/1342 1342 ± 0.000008728 5.49 5.175/6.028 5.624 ± 0.4938
ea05 1342 1342/1342 1342 ± 0 5.86 5.486/6.455 5.902 ± 0.5513
ea06 1342 1342/1342 1342 ± 0 5.638 5.181/6.011 5.63 ± 0.4841
ea07 1342 1342/1342 1342 ± 0 5.238 5.096/5.684 5.334 ± 0.263
ea08 1342 1342/1342 1342 ± 0.00003404 5.979 5.627/6.675 6.156 ± 0.6682
ea09 1342 1342/1342 1342 ± 0 5.32 5.034/5.951 5.447 ± 0.4743
ea10 1342 1342/1342 1342 ± 0.00003758 5.372 5.088/6.075 5.525 ± 0.5567
ea11 1342 1342/1342 1342 ± 0.000004649 5.735 5.443/6.42 5.945 ± 0.6077
ea13 1342 1342/1342 1342 ± 0 5.98 5.802/6.224 6.12 ± 0.4419
ea14 1342 1342/1342 1342 ± 0.00001708 5.911 5.495/6.486 6.013 ± 0.6243
ea15 1342 1342/1342 1342 ± 0 5.93 5.475/6.406 6.014 ± 0.6704
ea16 1342 1342/1342 1342 ± 0.00001471 6.053 5.652/6.642 6.147 ± 0.6668
ea17 1342 1342/1342 1342 ± 0.00001591 5.695 5.471/5.863 5.665 ± 0.2462
ea18 1342 1342/1342 1342 ± 0.000004614 5.181 4.88/5.672 5.233 ± 0.4798
ea19 1342 1342/1342 1342 ± 0 5.772 5.692/5.89 5.787 ± 0.1141
ea20 1342 1342/1342 1342 ± 0 6.268 5.78/6.78 6.245 ± 0.6056
ea21 1342 1342/1342 1342 ± 0 5.644 5.499/6.302 5.889 ± 0.519
ea22 1342 1342/1342 1342 ± 0.000008614 5.551 5.274/6.411 5.81 ± 0.6419
ea23 1342 1342/1342 1342 ± 0.000003942 5.753 5.619/6.555 6.063 ± 0.6341
ea24 1342 1342/1342 1342 ± 0 5.771 5.096/6.23 5.645 ± 0.5673
ea25 1342 1342/1342 1342 ± 0.000007331 5.532 5.3/6.231 5.75 ± 0.5795
ea26 1342 1342/1342 1342 ± 0.00000188 6.025 5.819/6.893 6.265 ± 0.6512
ea27 1342 1342/1342 1342 ± 0.000009602 5.594 5.28/5.641 5.455 ± 0.2435
ea28 1342 1342/1342 1342 ± 0.00004069 5.678 5.5/6.497 5.926 ± 0.6372
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 ± 0.00002365 5.597 5.359/5.71 5.529 ± 0.2649
3 1342 1342/1342 1342 ± 0.00002622 5.067 4.899/5.282 5.128 ± 0.3506
4 1342 1342/1342 1342 ± 0.00004303 5.208 4.9/5.349 5.172 ± 0.3421
5 1342 1342/1342 1342 ± 0.00002365 5.488 5.318/5.698 5.491 ± 0.2957
6 1342 1342/1342 1342 ± 0.00002365 5.459 5.195/5.638 5.419 ± 0.2652
7 1342 1342/1342 1342 ± 0.00002365 5.475 5.197/5.628 5.441 ± 0.2607
8 1342 1342/1342 1342 ± 0.00002365 5.454 5.08/5.58 5.375 ± 0.2922
9 1342 1342/1342 1342 ± 0.00002365 5.691 5.426/5.905 5.638 ± 0.3112
10 1342 1342/1342 1342 ± 0.00002565 6.068 5.871/6.207 5.995 ± 0.3193
11 1342 1342/1342 1342 ± 0.00002565 6.232 6.019/6.409 6.21 ± 0.2976
12 1342 1342/1342 1342 ± 0.00002565 6.41 6.213/6.557 6.356 ± 0.2965
13 1342 1342/1342 1342 ± 0.00002565 6.836 6.416/7.02 6.764 ± 0.3543
14 1342 1342/1342 1342 ± 0.00002565 7.019 6.591/7.255 6.953 ± 0.3802
15 1342 1342/1342 1342 ± 0.00002565 6.737 6.347/6.949 6.623 ± 0.3993
16 1342 1342/1342 1342 ± 0.00004638 5.665 5.533/5.977 5.73 ± 0.3445
17 1342 1342/1342 1342 ± 0.00004195 5.735 5.538/6.04 5.769 ± 0.3177
datacolumn
residual_data
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-13 04:58:36.802
End
2024-04-13 06:09:34.740
Duration
1:10:57.937
Note, WebLog generation is not included in the time.

CASA logs for stage 7