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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.053 5.84/6.858 6.367 ± 0.6495
ea02 1342 1342/1342 1342 ± 0 6.331 5.908/7.096 6.479 ± 0.7241
ea03 1342 1342/1342 1342 ± 0.00001397 5.55 5.226/6.763 5.883 ± 0.7838
ea04 1342 1342/1342 1342 ± 0 6.032 5.493/6.852 6.163 ± 0.7145
ea06 1342 1342/1342 1342 ± 0 6.622 5.677/6.794 6.327 ± 0.6963
ea07 1342 1342/1342 1342 ± 0 6.136 5.458/6.268 6.051 ± 0.5622
ea08 1342 1342/1342 1342 ± 0.000002812 6.313 5.823/7.119 6.53 ± 0.6917
ea09 1342 1342/1342 1342 ± 0 6.116 5.624/7.021 6.256 ± 0.7243
ea10 1342 1342/1342 1342 ± 0.00001606 6.227 5.63/6.921 6.302 ± 0.6527
ea11 1342 1342/1342 1342 ± 0 6.526 5.738/7.153 6.526 ± 0.7796
ea12 1342 1342/1342 1342 ± 0 6.364 5.797/7.044 6.494 ± 0.7356
ea13 1342 1342/1342 1342 ± 0 6.259 6.019/6.906 6.506 ± 0.5966
ea14 1342 1342/1342 1342 ± 0 6.484 5.706/7.008 6.423 ± 0.7796
ea15 1342 1342/1342 1342 ± 0 6.336 5.607/6.808 6.287 ± 0.764
ea16 1342 1342/1342 1342 ± 0 6.464 5.874/6.934 6.497 ± 0.7147
ea17 1342 1342/1342 1342 ± 0 6.765 6.294/7.751 6.981 ± 0.7385
ea18 1342 1342/1342 1342 ± 0 5.054 4.693/5.454 5.073 ± 0.4859
ea19 1342 1342/1342 1342 ± 0 6.702 5.959/7.238 6.643 ± 0.7285
ea20 1342 1342/1342 1342 ± 0 6.374 5.83/7.248 6.474 ± 0.7288
ea21 1342 1342/1342 1342 ± 0 6.277 5.718/6.85 6.327 ± 0.6631
ea22 1342 1342/1342 1342 ± 0 6.686 5.753/7.09 6.523 ± 0.7459
ea23 1342 1342/1342 1342 ± 0 6.421 5.903/7.028 6.565 ± 0.7615
ea24 1342 1342/1342 1342 ± 0 6.199 5.459/6.879 6.152 ± 0.7041
ea25 1342 1342/1342 1342 ± 0 6.356 5.464/6.784 6.252 ± 0.8025
ea26 1342 1342/1342 1342 ± 0 6.404 5.854/7.244 6.502 ± 0.7232
ea27 1342 1342/1342 1342 ± 0 6.194 5.703/7.148 6.394 ± 0.752
ea28 1342 1342/1342 1342 ± 0 6.186 5.807/7.017 6.423 ± 0.7249
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 ± 0.00002305 5.689 5.605/5.813 5.655 ± 0.3121
4 1342 1342/1342 1342 ± 0.00002365 5.568 5.293/5.64 5.477 ± 0.4081
5 1342 1342/1342 1342 ± 0.00002305 5.733 5.493/5.982 5.696 ± 0.3551
6 1342 1342/1342 1342 ± 0.00002305 5.655 5.544/5.859 5.654 ± 0.3108
7 1342 1342/1342 1342 ± 0.00002305 5.748 5.548/5.915 5.725 ± 0.3018
8 1342 1342/1342 1342 ± 0.00002305 5.733 5.465/5.891 5.695 ± 0.3245
9 1342 1342/1342 1342 ± 0.00002305 6.046 5.903/6.193 6.013 ± 0.3476
10 1342 1342/1342 1342 ± 0.00002305 6.54 6.342/6.697 6.494 ± 0.3615
11 1342 1342/1342 1342 ± 0.00002305 6.81 6.623/6.969 6.739 ± 0.3724
12 1342 1342/1342 1342 ± 0.00002305 6.938 6.77/7.098 6.897 ± 0.4003
13 1342 1342/1342 1342 ± 0.00002305 7.456 7.233/7.616 7.395 ± 0.4157
14 1342 1342/1342 1342 ± 0.00002305 7.713 7.481/7.842 7.621 ± 0.4134
15 1342 1342/1342 1342 ± 0.00002305 7.327 7.122/7.468 7.242 ± 0.3959
16 1342 1342/1342 1342 ± 0.00002305 6.479 6.314/6.743 6.484 ± 0.4178
17 1342 1342/1342 1342 ± 0.00002771 6.41 6.185/6.719 6.392 ± 0.4201
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
datacolumn
residual_data
Start time
2025-05-14 14:16:11.379
End
2025-05-14 15:08:51.946
Duration
0:52:40.568
Note, WebLog generation is not included in the time.

CASA logs for stage 8