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

Statwt Summary Plot

VLASS2.1.sb38547417.eb38659598.59111.3291737963_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 5.523 5.447/6.233 5.703 ± 0.728
ea02 1342 1342/1342 1342 ± 0.0000427 6.026 5.53/6.743 6.04 ± 0.8794
ea04 1342 1342/1342 1342 ± 0 5.354 5.108/6.056 5.53 ± 0.6796
ea05 1342 1342/1342 1342 ± 0.00001103 5.656 5.294/6.646 5.866 ± 0.7949
ea06 1342 1342/1342 1342 ± 0 4.981 4.802/5.379 5.007 ± 0.4822
ea07 1342 1342/1342 1342 ± 0.00004272 6.008 5.527/6.387 6.015 ± 0.8541
ea08 1342 1342/1342 1342 ± 0.00004272 6.125 5.725/6.968 6.224 ± 0.9071
ea09 1342 1342/1342 1342 ± 0.000002151 5.689 5.313/6.601 5.771 ± 0.8522
ea10 1342 1342/1342 1342 ± 0.00004272 5.918 5.434/6.855 6.007 ± 0.8912
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000004807 5.724 5.446/6.639 5.942 ± 0.8943
ea13 1342 1342/1342 1342 ± 0.0000043 6.168 5.973/6.609 6.183 ± 0.8359
ea14 1342 1342/1342 1342 ± 0.00001006 5.718 5.325/6.571 5.909 ± 0.8144
ea15 1342 1342/1342 1342 ± 0 5.708 5.474/6.563 5.952 ± 0.8584
ea16 1342 1342/1342 1342 ± 0.00002168 6.153 5.729/6.949 6.27 ± 0.9522
ea17 1342 1342/1342 1342 ± 0.00004272 5.973 5.671/7.176 6.11 ± 0.9265
ea18 1342 1342/1342 1342 ± 0.0000294 5.018 4.75/5.697 5.151 ± 0.6286
ea19 1342 1342/1342 1342 ± 0.000002634 5.942 5.719/6.966 6.21 ± 0.8821
ea20 1342 1342/1342 1342 ± 0.00001103 5.967 5.812/6.983 6.177 ± 0.9326
ea21 1342 1342/1342 1342 ± 0.00001946 5.733 5.437/6.547 5.911 ± 0.8125
ea22 1342 1342/1342 1342 ± 0.0000379 5.461 5.085/6.332 5.59 ± 0.8455
ea23 1342 1342/1342 1342 ± 0.00004244 5.877 5.676/6.778 6.103 ± 0.9517
ea25 1342 1342/1342 1342 ± 0.0000426 5.64 5.423/6.49 5.799 ± 0.839
ea26 1342 1342/1342 1342 ± 0 6.044 5.879/7.136 6.253 ± 0.9197
ea27 1342 1342/1342 1342 ± 0.00004272 5.666 5.249/6.56 5.797 ± 0.813
ea28 1342 1342/1342 1342 ± 0.00004272 5.82 5.595/6.739 6.032 ± 0.8607
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 ± 0.00002392 5.61 5.432/5.865 5.601 ± 0.2964
5 1342 1342/1342 1342 ± 0.00002392 5.634 5.349/5.779 5.577 ± 0.3437
6 1342 1342/1342 1342 ± 0.00002415 5.541 5.315/5.682 5.526 ± 0.333
7 1342 1342/1342 1342 ± 0.00002392 5.541 5.421/5.717 5.525 ± 0.291
8 1342 1342/1342 1342 ± 0.00002392 5.548 5.295/5.69 5.479 ± 0.3161
9 1342 1342/1342 1342 ± 0.00002392 5.782 5.601/6.016 5.739 ± 0.3512
10 1342 1342/1342 1342 ± 0.00002392 6.214 6.065/6.362 6.152 ± 0.3548
11 1342 1342/1342 1342 ± 0.00002392 6.52 6.289/6.622 6.404 ± 0.3627
12 1342 1342/1342 1342 ± 0.00002392 6.605 6.485/6.8 6.517 ± 0.5223
13 1342 1342/1342 1342 ± 0.00002392 7.104 6.984/7.287 7.041 ± 0.4291
14 1342 1342/1342 1342 ± 0.00002392 7.253 6.915/7.478 7.179 ± 0.4896
15 1342 1342/1342 1342 ± 0.00002392 7.077 6.781/7.233 6.916 ± 0.5086
16 1342 1342/1342 1342 ± 0.00006103 4.503 4.376/4.614 4.493 ± 0.1843
17 1342 1342/1342 1342 ± 0.00006067 4.504 4.374/4.607 4.487 ± 0.1919
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-02-01 03:18:13.741
End
2025-02-01 03:49:25.614
Duration
0:31:11.874
Note, WebLog generation is not included in the time.

CASA logs for stage 8