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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.821 5.662/6.747 6.16 ± 0.5956
ea02 1342 1342/1342 1342 ± 0 6.004 5.868/6.53 6.285 ± 0.596
ea03 1342 1342/1342 1342 ± 0.000001143 6.188 5.575/6.902 6.277 ± 0.7148
ea04 1342 1342/1342 1342 ± 0.000008686 5.569 5.312/6.226 5.757 ± 0.5129
ea05 1342 1342/1342 1342 ± 0.000007598 5.798 5.485/6.74 6.069 ± 0.6223
ea06 1342 1342/1342 1342 ± 0.000001143 5.742 5.298/6.241 5.875 ± 0.6266
ea07 1342 1342/1342 1342 ± 0 5.978 5.475/6.468 6.136 ± 0.696
ea08 1342 1342/1342 1342 ± 0 6.257 5.849/6.954 6.476 ± 0.6573
ea09 1342 1342/1342 1342 ± 0 5.661 5.261/6.441 5.785 ± 0.5978
ea10 1342 1342/1342 1342 ± 0 5.661 5.368/6.402 5.854 ± 0.6046
ea11 1342 1342/1342 1342 ± 0.00003996 5.81 5.092/6.575 5.902 ± 0.6961
ea12 1342 1342/1342 1342 ± 0.00002748 5.598 5.46/6.375 5.882 ± 0.5361
ea14 1342 1342/1342 1342 ± 0 5.939 5.703/6.677 6.17 ± 0.5521
ea15 1342 1342/1342 1342 ± 0.00002829 5.88 5.683/6.774 6.19 ± 0.6726
ea16 1342 1342/1342 1342 ± 0.00001326 6.086 5.862/6.815 6.328 ± 0.6803
ea17 1342 1342/1342 1342 ± 0 6.087 5.852/7.193 6.389 ± 0.6818
ea18 1342 1342/1342 1342 ± 0 6.534 6.053/7.237 6.648 ± 0.659
ea19 1342 1342/1342 1342 ± 0.00003657 5.915 5.698/6.842 6.227 ± 0.6014
ea20 1342 1342/1342 1342 ± 0 6.146 5.978/7.094 6.486 ± 0.6172
ea21 1342 1342/1342 1342 ± 0.000003233 5.41 5.207/6.039 5.674 ± 0.5248
ea22 1342 1342/1342 1342 ± 0 5.757 5.51/6.501 5.945 ± 0.5677
ea23 1342 1342/1342 1342 ± 0 5.904 5.582/6.597 6.149 ± 0.6589
ea24 1342 1342/1342 1342 ± 0 6.149 5.371/6.725 6.053 ± 0.6715
ea25 1342 1342/1342 1342 ± 0 6.483 5.79/7.05 6.565 ± 0.8043
ea27 1342 1342/1342 1342 ± 0.00001286 5.696 5.546/6.635 6.014 ± 0.6232
ea28 1342 1342/1342 1342 ± 0 6.402 5.841/7.081 6.445 ± 0.6411
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 ± 0.00002351 5.598 5.461/5.836 5.636 ± 0.2629
5 1342 1342/1342 1342 ± 0.00002351 5.5 5.216/5.668 5.481 ± 0.2764
6 1342 1342/1342 1342 ± 0.00002351 5.594 5.373/5.818 5.58 ± 0.2614
7 1342 1342/1342 1342 ± 0.00002351 5.632 5.387/5.79 5.59 ± 0.2386
8 1342 1342/1342 1342 ± 0.00002351 5.556 5.23/5.686 5.513 ± 0.2819
9 1342 1342/1342 1342 ± 0.00002351 5.84 5.636/5.977 5.809 ± 0.2861
10 1342 1342/1342 1342 ± 0.00002351 6.302 6.159/6.4 6.282 ± 0.2575
11 1342 1342/1342 1342 ± 0.00002351 6.54 6.27/6.701 6.518 ± 0.279
12 1342 1342/1342 1342 ± 0.00002351 6.688 6.481/6.901 6.691 ± 0.3098
13 1342 1342/1342 1342 ± 0.00002351 7.204 6.872/7.418 7.162 ± 0.3336
14 1342 1342/1342 1342 ± 0.00002351 7.071 6.857/7.474 7.162 ± 0.4103
15 1342 1342/1342 1342 ± 0.00002351 7.028 6.654/7.238 6.946 ± 0.3399
16 1342 1342/1342 1342 ± 0.00004406 5.696 5.482/6.081 5.789 ± 0.4022
17 1342 1342/1342 1342 ± 0.00003943 5.798 5.595/6.127 5.851 ± 0.3574
overwrite_modelcol
False
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-07-31 04:56:08.329
End
2025-07-31 06:06:45.812
Duration
1:10:37.483
Note, WebLog generation is not included in the time.

CASA logs for stage 8