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

Statwt Summary Plot

VLASS2.1.sb38563510.eb38566235.59073.10379631944_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 5.413 5.259/6.104 5.533 ± 0.6355
ea02 1342 1342/1342 1342 ± 0.00004174 5.768 5.407/6.656 5.846 ± 0.8062
ea05 1342 1342/1342 1342 ± 0.00001147 5.586 5.075/6.436 5.728 ± 0.6684
ea06 1342 1342/1342 1342 ± 0 4.752 4.602/5.185 4.83 ± 0.4553
ea07 1342 1342/1342 1342 ± 0.0000415 5.834 5.354/6.015 5.716 ± 0.6611
ea08 1342 1342/1342 1342 ± 0.00004192 5.962 5.587/6.83 6.078 ± 0.8427
ea09 1342 1342/1342 1342 ± 0.00002075 5.218 4.906/5.886 5.234 ± 0.634
ea10 1342 1342/1342 1342 ± 0.0000415 5.548 5.276/6.583 5.787 ± 0.7925
ea11 1342 1342/1342 1342 ± 0.00003136 5.709 5.218/6.494 5.744 ± 0.8442
ea12 1342 1342/1342 1342 ± 0.00000125 5.501 5.258/6.416 5.737 ± 0.8083
ea13 1342 1342/1342 1342 ± 0.00001948 5.853 5.681/6.4 5.942 ± 0.6991
ea14 1342 1342/1342 1342 ± 0.00001471 6.695 6.16/7.185 6.374 ± 0.8882
ea15 1342 1342/1342 1342 ± 0 5.302 5.024/6.204 5.584 ± 0.7889
ea16 1342 1342/1342 1342 ± 0 5.219 5.021/5.352 5.192 ± 0.1845
ea17 1342 1342/1342 1342 ± 0.00004167 5.768 5.524/6.648 5.941 ± 0.82
ea18 1342 1342/1342 1342 ± 0.00001149 4.95 4.661/5.735 5.089 ± 0.5803
ea19 1342 1342/1342 1342 ± 0.000007274 5.729 5.456/6.702 5.974 ± 0.7059
ea20 1342 1342/1342 1342 ± 0.000006115 5.834 5.681/6.884 6.057 ± 0.9006
ea21 1342 1342/1342 1342 ± 0.00001749 5.588 5.374/6.365 5.805 ± 0.6874
ea22 1342 1342/1342 1342 ± 0.00004147 5.442 5.214/6.528 5.633 ± 0.814
ea23 1342 1342/1342 1342 ± 0.00003852 5.755 5.512/6.687 6.005 ± 0.8655
ea25 1342 1342/1342 1342 ± 0 5.338 5.247/5.498 5.336 ± 0.1696
ea26 1342 1342/1342 1342 ± 0.000008814 5.635 5.481/6.672 5.833 ± 0.7564
ea27 1342 1342/1342 1342 ± 0.00004156 5.566 5.149/6.479 5.661 ± 0.7592
ea28 1342 1342/1342 1342 ± 0.00004174 5.626 5.383/6.586 5.826 ± 0.7643
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 5.636 5.41/5.803 5.564 ± 0.3121
3 1342 1342/1342 1342 ± 0.0000246 5.394 5.226/5.575 5.36 ± 0.2952
5 1342 1342/1342 1342 ± 0.0000244 5.418 5.216/5.542 5.345 ± 0.3561
6 1342 1342/1342 1342 ± 0.0000244 5.359 5.128/5.475 5.318 ± 0.2979
7 1342 1342/1342 1342 ± 0.0000244 5.287 5.196/5.521 5.312 ± 0.2698
8 1342 1342/1342 1342 ± 0.0000244 5.377 5.075/5.536 5.286 ± 0.3066
9 1342 1342/1342 1342 ± 0.0000244 5.617 5.409/5.83 5.56 ± 0.3501
10 1342 1342/1342 1342 ± 0.00002491 6.087 5.854/6.245 6.004 ± 0.3724
11 1342 1342/1342 1342 ± 0.00002491 6.387 6.122/6.476 6.263 ± 0.3784
12 1342 1342/1342 1342 ± 0.00002491 6.532 6.18/6.687 6.443 ± 0.3993
13 1342 1342/1342 1342 ± 0.00002491 6.827 6.585/7.029 6.769 ± 0.421
14 1342 1342/1342 1342 ± 0.00002644 6.893 6.585/7.09 6.778 ± 0.494
15 1342 1342/1342 1342 ± 0.00002491 6.783 6.569/6.962 6.679 ± 0.5052
16 1342 1342/1342 1342 ± 0.00006103 4.47 4.316/4.662 4.497 ± 0.2907
17 1342 1342/1342 1342 ± 0.00006096 4.466 4.309/4.638 4.487 ± 0.2719
output_dir
 
vis
VLASS2.1.sb38563510.eb38566235.59073.10379631944_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-10-31 01:46:23.048
End
2024-10-31 02:30:00.903
Duration
0:43:37.855
Note, WebLog generation is not included in the time.

CASA logs for stage 8