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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.378 5.292/5.971 5.487 ± 0.7636
ea02 1342 1342/1342 1342 ± 0.0000418 5.922 5.359/6.529 5.77 ± 0.9908
ea04 1342 1342/1342 1342 ± 0.000001794 5.37 5.061/6.105 5.473 ± 0.7743
ea05 1342 1342/1342 1342 ± 0.00001591 5.475 5.063/6.437 5.668 ± 0.7822
ea06 1342 1342/1342 1342 ± 0.000001282 4.967 4.692/5.352 4.871 ± 0.6151
ea07 1342 1342/1342 1342 ± 0.00004147 5.918 5.445/6.38 5.811 ± 0.8595
ea08 1342 1342/1342 1342 ± 0.00004175 6.023 5.549/6.714 5.961 ± 0.9796
ea09 1342 1342/1342 1342 ± 0.0000128 5.736 5.168/6.401 5.626 ± 0.8018
ea10 1342 1342/1342 1342 ± 0.00004209 5.921 5.351/6.67 5.797 ± 0.9208
ea11 1342 1342/1342 1342 ± 0.00004268 5.673 5.129/6.54 5.697 ± 0.9997
ea12 1342 1342/1342 1342 ± 0.000005227 5.656 5.361/6.585 5.788 ± 1.036
ea13 1342 1342/1342 1342 ± 0.0000112 5.927 5.726/6.49 5.995 ± 0.7609
ea14 1342 1342/1342 1342 ± 0.00001297 5.547 5.081/6.458 5.635 ± 0.8244
ea15 1342 1342/1342 1342 ± 0.000001274 5.41 5.18/6.289 5.657 ± 0.8822
ea16 1342 1342/1342 1342 ± 0.00002983 5.914 5.519/6.916 6.01 ± 0.9882
ea17 1342 1342/1342 1342 ± 0.00004268 5.869 5.559/6.5 5.862 ± 0.9401
ea18 1342 1342/1342 1342 ± 0.00003243 5.093 4.723/5.732 5.082 ± 0.7241
ea19 1342 1342/1342 1342 ± 0.0000109 5.813 5.5/6.835 6.011 ± 0.8672
ea20 1342 1342/1342 1342 ± 0.00002118 5.912 5.686/7.102 6.071 ± 1.125
ea21 1342 1342/1342 1342 ± 0.00002488 5.546 5.356/6.361 5.66 ± 0.7964
ea22 1342 1342/1342 1342 ± 0.00003582 5.407 5.159/6.296 5.556 ± 0.8294
ea23 1342 1342/1342 1342 ± 0.00004199 5.788 5.474/6.663 5.868 ± 0.8873
ea25 1342 1342/1342 1342 ± 0.00004151 5.529 5.234/6.282 5.517 ± 0.8303
ea26 1342 1342/1342 1342 ± 0.00001446 5.908 5.638/7.038 6.069 ± 0.8614
ea27 1342 1342/1342 1342 ± 0.000043 5.564 5.165/6.466 5.619 ± 0.8675
ea28 1342 1342/1342 1342 ± 0.00004382 5.743 5.403/6.472 5.722 ± 0.9183
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 ± 0.00002364 5.522 5.34/5.802 5.539 ± 0.2709
5 1342 1342/1342 1342 ± 0.00002427 5.402 5.159/5.568 5.382 ± 0.2833
6 1342 1342/1342 1342 ± 0.00002364 5.352 5.129/5.501 5.317 ± 0.2924
7 1342 1342/1342 1342 ± 0.00002364 5.366 5.205/5.508 5.358 ± 0.2714
8 1342 1342/1342 1342 ± 0.00002364 5.35 5.17/5.486 5.32 ± 0.2851
9 1342 1342/1342 1342 ± 0.00002377 5.634 5.424/5.893 5.601 ± 0.3251
10 1342 1342/1342 1342 ± 0.00002364 6.053 5.865/6.244 6.042 ± 0.3288
11 1342 1342/1342 1342 ± 0.00002364 6.387 6.231/6.523 6.324 ± 0.3435
12 1342 1342/1342 1342 ± 0.00002364 6.582 6.367/6.734 6.528 ± 0.3708
13 1342 1342/1342 1342 ± 0.00002364 6.801 6.614/7.058 6.794 ± 0.4013
14 1342 1342/1342 1342 ± 0.00002937 6.594 6.307/7.052 6.641 ± 0.5005
15 1342 1342/1342 1342 ± 0.00002367 6.822 6.607/7.082 6.773 ± 0.4762
16 1342 1342/1342 1342 ± 0.0000608 3.997 3.823/4.273 4.055 ± 0.2995
17 1342 1342/1342 1342 ± 0.00006101 4.036 3.891/4.325 4.108 ± 0.2886
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
overwrite_modelcol
False
Start time
2024-11-01 16:11:53.110
End
2024-11-01 17:03:39.072
Duration
0:51:45.962
Note, WebLog generation is not included in the time.

CASA logs for stage 8