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 6.096 5.838/6.651 6.203 ± 0.7279
ea03 1342 1342/1342 1342 ± 0.000009454 5.611 5.263/6.404 5.791 ± 0.7056
ea04 1342 1342/1342 1342 ± 0 5.636 5.269/6.155 5.739 ± 0.5843
ea05 1342 1342/1342 1342 ± 0 5.993 5.647/6.637 6.136 ± 0.6822
ea06 1342 1342/1342 1342 ± 0 5.999 5.614/6.415 6.071 ± 0.5368
ea07 1342 1342/1342 1342 ± 0 5.982 5.453/6.203 5.965 ± 0.5312
ea08 1342 1342/1342 1342 ± 0.000005304 6.026 5.661/6.565 6.161 ± 0.6488
ea09 1342 1342/1342 1342 ± 0.00000623 6.025 5.529/6.619 6.104 ± 0.7071
ea10 1342 1342/1342 1342 ± 0 6.016 5.566/6.655 6.09 ± 0.5917
ea11 1342 1342/1342 1342 ± 0.000009023 6.116 5.462/6.621 6.103 ± 0.7075
ea12 1342 1342/1342 1342 ± 0.000003474 6.025 5.64/6.664 6.187 ± 0.7862
ea13 1342 1342/1342 1342 ± 0 5.999 5.764/6.414 6.123 ± 0.5104
ea14 1342 1342/1342 1342 ± 0 6.094 5.611/6.596 6.177 ± 0.6447
ea15 1342 1342/1342 1342 ± 0 5.522 5.147/5.943 5.582 ± 0.5821
ea16 1342 1342/1342 1342 ± 0 6.195 5.831/6.755 6.31 ± 0.7049
ea17 1342 1342/1342 1342 ± 0.000001638 6.527 6.18/7.291 6.728 ± 0.6521
ea18 1342 1342/1342 1342 ± 0 5.12 4.89/5.609 5.274 ± 0.4842
ea19 1342 1342/1342 1342 ± 0 6.346 5.925/6.904 6.476 ± 0.6571
ea20 1342 1342/1342 1342 ± 0 5.862 5.619/6.467 6.018 ± 0.6408
ea21 1342 1342/1342 1342 ± 0 5.78 5.559/6.347 5.973 ± 0.535
ea22 1342 1342/1342 1342 ± 0.000001158 5.901 5.494/6.447 6.003 ± 0.6302
ea23 1342 1342/1342 1342 ± 0 6.24 5.824/6.63 6.321 ± 0.6857
ea24 1342 1342/1342 1342 ± 0.00001667 6.043 5.427/6.588 5.907 ± 0.7583
ea25 1342 1342/1342 1342 ± 0 6.317 5.752/6.973 6.392 ± 0.7804
ea26 1342 1342/1342 1342 ± 0.000003534 6.432 5.931/7.114 6.496 ± 0.7151
ea27 1342 1342/1342 1342 ± 0 5.883 5.547/6.672 6.06 ± 0.6605
ea28 1342 1342/1342 1342 ± 0 5.951 5.695/6.691 6.193 ± 0.6694
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 5.719 5.531/5.924 5.708 ± 0.2691
3 1342 1342/1342 1342 ± 0.00002918 5.097 4.916/5.245 5.044 ± 0.4493
4 1342 1342/1342 1342 ± 0.00002305 5.49 5.258/5.749 5.501 ± 0.3723
5 1342 1342/1342 1342 ± 0.00002305 5.695 5.432/5.87 5.648 ± 0.3234
6 1342 1342/1342 1342 ± 0.00002305 5.59 5.425/5.778 5.572 ± 0.2582
7 1342 1342/1342 1342 ± 0.00002305 5.598 5.427/5.812 5.608 ± 0.2692
8 1342 1342/1342 1342 ± 0.00002305 5.538 5.293/5.72 5.526 ± 0.3106
9 1342 1342/1342 1342 ± 0.00002305 5.811 5.692/6.023 5.803 ± 0.3028
10 1342 1342/1342 1342 ± 0.00002305 6.28 6.126/6.424 6.208 ± 0.3089
11 1342 1342/1342 1342 ± 0.00002305 6.476 6.35/6.624 6.434 ± 0.3024
12 1342 1342/1342 1342 ± 0.00002305 6.635 6.384/6.739 6.576 ± 0.3636
13 1342 1342/1342 1342 ± 0.00002305 7.048 6.825/7.361 7.068 ± 0.3827
14 1342 1342/1342 1342 ± 0.00002305 7.295 7.097/7.551 7.29 ± 0.3861
15 1342 1342/1342 1342 ± 0.00002305 6.893 6.736/7.252 6.958 ± 0.3649
16 1342 1342/1342 1342 ± 0.00002305 6.227 6.056/6.643 6.304 ± 0.3884
17 1342 1342/1342 1342 ± 0.00002305 6.254 5.97/6.467 6.238 ± 0.375
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
datacolumn
residual_data
Start time
2025-04-23 12:21:44.394
End
2025-04-23 13:24:42.014
Duration
1:02:57.620
Note, WebLog generation is not included in the time.

CASA logs for stage 8