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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.117 5.808/6.594 6.161 ± 0.7692
ea03 1342 1342/1342 1342 ± 0.00001689 5.663 5.25/6.363 5.771 ± 0.6949
ea04 1342 1342/1342 1342 ± 0 5.616 5.263/6.083 5.714 ± 0.5716
ea05 1342 1342/1342 1342 ± 0 5.948 5.646/6.58 6.111 ± 0.6491
ea06 1342 1342/1342 1342 ± 0 6.012 5.629/6.384 6.074 ± 0.5177
ea07 1342 1342/1342 1342 ± 0 5.982 5.47/6.183 5.954 ± 0.5222
ea08 1342 1342/1342 1342 ± 0.00001488 6.095 5.647/6.5 6.136 ± 0.6397
ea09 1342 1342/1342 1342 ± 0.000007789 6.004 5.496/6.593 6.079 ± 0.7114
ea10 1342 1342/1342 1342 ± 0 5.949 5.578/6.608 6.066 ± 0.5843
ea11 1342 1342/1342 1342 ± 0.000006364 6.146 5.474/6.591 6.112 ± 0.6877
ea12 1342 1342/1342 1342 ± 0.000002015 6.049 5.704/6.682 6.213 ± 0.7612
ea13 1342 1342/1342 1342 ± 0 5.997 5.858/6.366 6.126 ± 0.4754
ea14 1342 1342/1342 1342 ± 0 6.009 5.616/6.544 6.127 ± 0.6539
ea15 1342 1342/1342 1342 ± 0 5.506 5.138/5.926 5.584 ± 0.5772
ea16 1342 1342/1342 1342 ± 0 6.193 5.848/6.695 6.29 ± 0.6829
ea17 1342 1342/1342 1342 ± 0 6.536 6.21/7.29 6.741 ± 0.6391
ea18 1342 1342/1342 1342 ± 0 5.117 4.882/5.607 5.259 ± 0.4794
ea19 1342 1342/1342 1342 ± 0 6.341 5.935/6.895 6.456 ± 0.6443
ea20 1342 1342/1342 1342 ± 0 5.903 5.578/6.425 6.015 ± 0.6258
ea21 1342 1342/1342 1342 ± 0 5.71 5.542/6.28 5.916 ± 0.5248
ea22 1342 1342/1342 1342 ± 0.000007065 5.89 5.525/6.429 6 ± 0.6135
ea23 1342 1342/1342 1342 ± 0.000001645 6.255 5.878/6.593 6.314 ± 0.6883
ea24 1342 1342/1342 1342 ± 0.00002193 6.072 5.293/6.488 5.787 ± 0.8206
ea25 1342 1342/1342 1342 ± 0 6.289 5.755/6.834 6.357 ± 0.7738
ea26 1342 1342/1342 1342 ± 0.00001646 6.372 5.908/7.026 6.442 ± 0.7505
ea27 1342 1342/1342 1342 ± 0 5.833 5.543/6.621 6.031 ± 0.6347
ea28 1342 1342/1342 1342 ± 0 5.988 5.689/6.653 6.184 ± 0.6384
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 ± 0.00002307 5.724 5.482/5.93 5.696 ± 0.2945
3 1342 1342/1342 1342 ± 0.0000362 5.083 4.861/5.227 5.004 ± 0.5123
4 1342 1342/1342 1342 ± 0.00002307 5.51 5.263/5.79 5.52 ± 0.3889
5 1342 1342/1342 1342 ± 0.00002307 5.698 5.423/5.907 5.659 ± 0.335
6 1342 1342/1342 1342 ± 0.00002307 5.619 5.38/5.763 5.572 ± 0.2618
7 1342 1342/1342 1342 ± 0.00002307 5.616 5.413/5.782 5.599 ± 0.2712
8 1342 1342/1342 1342 ± 0.00002307 5.519 5.283/5.688 5.505 ± 0.3135
9 1342 1342/1342 1342 ± 0.00002307 5.806 5.58/6.02 5.774 ± 0.3044
10 1342 1342/1342 1342 ± 0.00002307 6.235 6.071/6.387 6.171 ± 0.3068
11 1342 1342/1342 1342 ± 0.00002307 6.42 6.291/6.58 6.389 ± 0.301
12 1342 1342/1342 1342 ± 0.00002307 6.586 6.334/6.698 6.534 ± 0.359
13 1342 1342/1342 1342 ± 0.00002307 6.997 6.787/7.328 7.03 ± 0.3853
14 1342 1342/1342 1342 ± 0.00002307 7.269 7.079/7.549 7.256 ± 0.3919
15 1342 1342/1342 1342 ± 0.00002307 6.882 6.708/7.25 6.937 ± 0.3632
16 1342 1342/1342 1342 ± 0.00002307 6.233 5.945/6.504 6.276 ± 0.375
17 1342 1342/1342 1342 ± 0.00002307 6.209 5.953/6.477 6.231 ± 0.3679
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-04-23 07:36:17.705
End
2025-04-23 08:40:43.905
Duration
1:04:26.200
Note, WebLog generation is not included in the time.

CASA logs for stage 8