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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.631 5.111/5.93 5.58 ± 0.5314
ea02 1342 1342/1342 1342 ± 0 5.668 5.279/6.464 5.864 ± 0.6667
ea04 1342 1342/1342 1342 ± 0 5.346 4.963/5.859 5.426 ± 0.5393
ea05 1342 1342/1342 1342 ± 0 5.742 5.133/6.181 5.658 ± 0.5714
ea06 1342 1342/1342 1342 ± 0 5.426 4.773/5.765 5.297 ± 0.5557
ea07 1342 1342/1342 1342 ± 0 5.997 5.41/6.082 5.923 ± 0.556
ea08 1342 1342/1342 1342 ± 0 5.673 5.379/6.549 5.964 ± 0.6676
ea09 1342 1342/1342 1342 ± 0 5.638 5.152/6.357 5.704 ± 0.6197
ea10 1342 1342/1342 1342 ± 0 5.872 5.116/6.492 5.831 ± 0.6707
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.799 5.291/6.287 5.842 ± 0.6167
ea13 1342 1342/1342 1342 ± 0 6.105 5.683/6.302 6.077 ± 0.5004
ea14 1342 1342/1342 1342 ± 0 5.83 5.178/6.262 5.778 ± 0.6558
ea15 1342 1342/1342 1342 ± 0 5.637 4.963/6.065 5.628 ± 0.6758
ea16 1342 1342/1342 1342 ± 0 6.208 5.587/6.655 6.227 ± 0.7165
ea17 1342 1342/1342 1342 ± 0 5.88 5.422/6.689 5.984 ± 0.6076
ea18 1342 1342/1342 1342 ± 0 4.973 4.595/5.425 5.009 ± 0.5058
ea19 1342 1342/1342 1342 ± 0 6.067 5.457/6.63 6.128 ± 0.6375
ea20 1342 1342/1342 1342 ± 0 6.192 5.594/6.76 6.143 ± 0.6328
ea21 1342 1342/1342 1342 ± 0 5.668 5.245/6.138 5.745 ± 0.5216
ea22 1342 1342/1342 1342 ± 0 5.454 5.167/6.402 5.73 ± 0.6653
ea23 1342 1342/1342 1342 ± 0 6.036 5.324/6.409 5.978 ± 0.6612
ea25 1342 1342/1342 1342 ± 0.000003412 5.377 5.113/6.032 5.573 ± 0.5463
ea26 1342 1342/1342 1342 ± 0 6.024 5.562/6.794 6.085 ± 0.6637
ea27 1342 1342/1342 1342 ± 0.00001682 5.519 5/6.277 5.644 ± 0.598
ea28 1342 1342/1342 1342 ± 0.000007988 5.633 5.279/6.341 5.795 ± 0.6415
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 ± 0.00002393 5.215 5.107/5.521 5.28 ± 0.2542
3 1342 1342/1342 1342 ± 0.00002393 5.187 4.947/5.379 5.168 ± 0.2906
4 1342 1342/1342 1342 ± 0.00002491 5.09 4.815/5.285 5.034 ± 0.3172
5 1342 1342/1342 1342 ± 0.00002393 5.243 5.025/5.358 5.213 ± 0.3131
7 1342 1342/1342 1342 ± 0.00002393 5.233 5.072/5.377 5.229 ± 0.256
8 1342 1342/1342 1342 ± 0.00002393 5.249 4.975/5.372 5.181 ± 0.2725
9 1342 1342/1342 1342 ± 0.00002393 5.474 5.299/5.726 5.467 ± 0.311
10 1342 1342/1342 1342 ± 0.00002393 5.913 5.737/6.09 5.894 ± 0.2988
11 1342 1342/1342 1342 ± 0.00002393 6.195 5.981/6.313 6.115 ± 0.3036
12 1342 1342/1342 1342 ± 0.00002393 6.291 6.078/6.473 6.278 ± 0.331
13 1342 1342/1342 1342 ± 0.00002393 6.715 6.586/6.844 6.698 ± 0.3369
14 1342 1342/1342 1342 ± 0.00002393 6.93 6.677/7.103 6.875 ± 0.3603
15 1342 1342/1342 1342 ± 0.00002393 6.625 6.368/6.773 6.542 ± 0.3563
16 1342 1342/1342 1342 ± 0.0000255 5.865 5.519/6.093 5.851 ± 0.3581
17 1342 1342/1342 1342 ± 0.00002636 5.864 5.609/6.07 5.859 ± 0.3396
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-31 05:18:04.640
End
2024-12-31 06:12:58.285
Duration
0:54:53.645
Note, WebLog generation is not included in the time.

CASA logs for stage 8