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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.68 5.496/6.257 5.918 ± 0.551
ea02 1342 1342/1342 1342 ± 0 5.774 5.387/6.482 5.978 ± 0.6677
ea04 1342 1342/1342 1342 ± 0 5.147 4.778/5.894 5.369 ± 0.6485
ea05 1342 1342/1342 1342 ± 0 5.464 4.89/6.022 5.541 ± 0.7048
ea06 1342 1342/1342 1342 ± 0 4.597 4.287/5.082 4.692 ± 0.4339
ea07 1342 1342/1342 1342 ± 0 6.077 5.467/6.401 6.086 ± 0.6662
ea08 1342 1342/1342 1342 ± 0.00000478 5.778 5.555/6.789 6.157 ± 0.7421
ea09 1342 1342/1342 1342 ± 0 5.348 4.903/6.323 5.538 ± 0.721
ea10 1342 1342/1342 1342 ± 0 6.065 5.302/6.851 6.053 ± 0.7759
ea11 1342 1342/1342 1342 ± 0 5.953 5.26/6.482 5.963 ± 0.7133
ea12 1342 1342/1342 1342 ± 0 5.559 5.14/6.263 5.767 ± 0.6867
ea13 1342 1342/1342 1342 ± 0 5.617 5.251/6.127 5.742 ± 0.6241
ea14 1342 1342/1342 1342 ± 0 5.958 5.176/6.354 5.866 ± 0.6891
ea15 1342 1342/1342 1342 ± 0 5.255 4.644/6 5.381 ± 0.7858
ea16 1342 1342/1342 1342 ± 0 6.084 5.425/6.687 6.171 ± 0.7764
ea17 1342 1342/1342 1342 ± 0.000002396 6.171 5.554/7.09 6.282 ± 0.7724
ea18 1342 1342/1342 1342 ± 0 5.032 4.69/5.648 5.189 ± 0.5481
ea19 1342 1342/1342 1342 ± 0 5.559 5.22/6.585 5.956 ± 0.7704
ea20 1342 1342/1342 1342 ± 0 5.979 5.505/6.649 6.13 ± 0.698
ea21 1342 1342/1342 1342 ± 0 5.539 5.07/6.125 5.654 ± 0.6555
ea22 1342 1342/1342 1342 ± 0 5.361 4.989/6.215 5.566 ± 0.6694
ea23 1342 1342/1342 1342 ± 0 6.181 5.479/6.665 6.168 ± 0.7462
ea25 1342 1342/1342 1342 ± 0 5.735 5.285/6.304 5.859 ± 0.6666
ea26 1342 1342/1342 1342 ± 0 5.745 5.186/6.744 5.881 ± 0.7596
ea27 1342 1342/1342 1342 ± 0.00002826 5.714 5.385/6.603 5.949 ± 0.6701
ea28 1342 1342/1342 1342 ± 0.00001995 5.805 5.579/6.716 6.115 ± 0.7027
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 ± 0.00002348 5.164 4.97/5.448 5.173 ± 0.326
3 1342 1342/1342 1342 ± 0.00002489 5.199 4.99/5.326 5.151 ± 0.31
4 1342 1342/1342 1342 ± 0.00002508 5.124 4.732/5.371 5.069 ± 0.3609
5 1342 1342/1342 1342 ± 0.00002348 5.183 4.964/5.54 5.192 ± 0.3957
6 1342 1342/1342 1342 ± 0.00002348 5.183 4.905/5.38 5.14 ± 0.3502
7 1342 1342/1342 1342 ± 0.00002348 5.259 5.058/5.481 5.191 ± 0.3203
8 1342 1342/1342 1342 ± 0.00002348 5.269 4.933/5.421 5.182 ± 0.3506
9 1342 1342/1342 1342 ± 0.00002348 5.563 5.237/5.838 5.511 ± 0.4281
10 1342 1342/1342 1342 ± 0.00002348 6.087 5.799/6.279 6.003 ± 0.3982
11 1342 1342/1342 1342 ± 0.00002372 6.293 6.061/6.553 6.238 ± 0.4068
12 1342 1342/1342 1342 ± 0.00002348 6.492 6.222/6.748 6.418 ± 0.4248
13 1342 1342/1342 1342 ± 0.00002348 7.01 6.7/7.171 6.888 ± 0.4482
14 1342 1342/1342 1342 ± 0.00002348 7.183 6.838/7.451 7.082 ± 0.498
15 1342 1342/1342 1342 ± 0.00002348 6.712 6.464/6.964 6.639 ± 0.4566
16 1342 1342/1342 1342 ± 0.00002915 5.939 5.769/6.224 5.931 ± 0.3946
17 1342 1342/1342 1342 ± 0.00003099 5.94 5.704/6.14 5.897 ± 0.3873
datacolumn
residual_data
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-07 05:23:41.496
End
2025-01-07 06:21:01.086
Duration
0:57:19.590
Note, WebLog generation is not included in the time.

CASA logs for stage 8