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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.531 5.98/6.875 6.531 ± 0.5979
ea03 1342 1342/1342 1342 ± 0 5.728 5.218/6.734 5.934 ± 0.7283
ea04 1342 1342/1342 1342 ± 0 6.245 5.773/6.747 6.342 ± 0.6641
ea05 1342 1342/1342 1342 ± 0 6.129 5.857/7.053 6.385 ± 0.71
ea06 1342 1342/1342 1342 ± 0 6.364 5.904/6.814 6.381 ± 0.5871
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.145 5.746/6.756 6.274 ± 0.6008
ea09 1342 1342/1342 1342 ± 0 6.183 5.636/6.925 6.334 ± 0.6825
ea10 1342 1342/1342 1342 ± 0 7.135 6.822/7.397 7.051 ± 0.4475
ea11 1342 1342/1342 1342 ± 0 6.192 5.633/6.858 6.31 ± 0.7182
ea12 1342 1342/1342 1342 ± 0 6.504 5.884/7.063 6.598 ± 0.6936
ea13 1342 1342/1342 1342 ± 0 5.803 5.37/6.122 5.854 ± 0.431
ea14 1342 1342/1342 1342 ± 0 6.522 5.941/7.038 6.585 ± 0.666
ea15 1342 1342/1342 1342 ± 0 5.998 5.495/6.596 6.087 ± 0.6372
ea16 1342 1342/1342 1342 ± 0 6.562 6.038/7.05 6.612 ± 0.7104
ea17 1342 1342/1342 1342 ± 0 6.871 6.534/7.879 7.098 ± 0.7062
ea18 1342 1342/1342 1342 ± 0 5.204 4.85/5.605 5.25 ± 0.4981
ea19 1342 1342/1342 1342 ± 0 6.574 6.082/7.327 6.695 ± 0.6915
ea20 1342 1342/1342 1342 ± 0 5.868 5.682/6.708 6.086 ± 0.6018
ea21 1342 1342/1342 1342 ± 0.000001143 5.517 5.314/6.062 5.716 ± 0.4667
ea22 1342 1342/1342 1342 ± 0 6.29 5.599/6.651 6.17 ± 0.5856
ea23 1342 1342/1342 1342 ± 0 6.245 5.992/6.92 6.496 ± 0.6781
ea24 1342 1342/1342 1342 ± 0 6.13 5.395/6.578 5.998 ± 0.5836
ea25 1342 1342/1342 1342 ± 0.000005108 6.859 6.103/7.188 6.778 ± 0.7795
ea26 1342 1342/1342 1342 ± 0 6.745 6.149/7.496 6.832 ± 0.7109
ea27 1342 1342/1342 1342 ± 0 6.046 5.744/7.039 6.375 ± 0.654
ea28 1342 1342/1342 1342 ± 0 6.304 5.942/7.154 6.553 ± 0.6653
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 5.927 5.697/6.186 5.87 ± 0.3516
4 1342 1342/1342 1342 ± 0.00002392 5.504 5.25/5.794 5.518 ± 0.436
5 1342 1342/1342 1342 ± 0.00002392 5.868 5.609/6.09 5.816 ± 0.3781
6 1342 1342/1342 1342 ± 0.00002392 5.741 5.494/5.87 5.683 ± 0.3145
7 1342 1342/1342 1342 ± 0.00002392 5.847 5.624/5.942 5.772 ± 0.3269
8 1342 1342/1342 1342 ± 0.00002392 5.68 5.488/5.948 5.719 ± 0.3819
9 1342 1342/1342 1342 ± 0.00002392 6.046 5.755/6.288 6.016 ± 0.3826
10 1342 1342/1342 1342 ± 0.00002348 6.622 6.241/6.731 6.474 ± 0.3722
11 1342 1342/1342 1342 ± 0.00002348 6.792 6.561/6.988 6.717 ± 0.3842
12 1342 1342/1342 1342 ± 0.00002348 6.908 6.655/7.079 6.848 ± 0.4556
13 1342 1342/1342 1342 ± 0.00002348 7.398 7.093/7.723 7.322 ± 0.5071
14 1342 1342/1342 1342 ± 0.00002348 7.558 7.261/7.874 7.526 ± 0.5101
15 1342 1342/1342 1342 ± 0.00002348 7.107 6.8/7.515 7.114 ± 0.4921
16 1342 1342/1342 1342 ± 0.00002348 6.322 6.029/6.71 6.376 ± 0.5157
17 1342 1342/1342 1342 ± 0.00002378 6.293 6.024/6.539 6.265 ± 0.4905
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
Start time
2025-06-12 06:45:24.686
End
2025-06-12 07:52:01.549
Duration
1:06:36.863
Note, WebLog generation is not included in the time.

CASA logs for stage 8