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 5.527 5.391/6.017 5.778 ± 0.5281
ea02 1342 1342/1342 1342 ± 0.00002223 5.933 5.555/6.664 6.122 ± 0.6296
ea04 1342 1342/1342 1342 ± 0.000005235 5.601 5.204/6.09 5.714 ± 0.5564
ea05 1342 1342/1342 1342 ± 0 5.625 5.331/6.169 5.836 ± 0.6179
ea06 1342 1342/1342 1342 ± 0 4.762 4.66/5.338 4.975 ± 0.4147
ea07 1342 1342/1342 1342 ± 0.000007302 6.064 5.613/6.371 6.11 ± 0.5749
ea08 1342 1342/1342 1342 ± 0.00002845 6.021 5.665/6.725 6.239 ± 0.6627
ea09 1342 1342/1342 1342 ± 0.00001638 5.692 5.301/6.291 5.815 ± 0.659
ea10 1342 1342/1342 1342 ± 0.000008397 6.005 5.519/6.714 6.123 ± 0.6663
ea11 1342 1342/1342 1342 ± 0.000007729 5.922 5.26/6.436 5.932 ± 0.6669
ea12 1342 1342/1342 1342 ± 0 5.698 5.508/6.426 6.064 ± 0.6403
ea13 1342 1342/1342 1342 ± 0.0000054 6.057 5.856/6.437 6.206 ± 0.5174
ea14 1342 1342/1342 1342 ± 0 5.74 5.321/6.399 5.942 ± 0.6709
ea15 1342 1342/1342 1342 ± 0 5.543 5.197/6.285 5.826 ± 0.7235
ea16 1342 1342/1342 1342 ± 0 6.337 5.869/6.877 6.485 ± 0.7212
ea17 1342 1342/1342 1342 ± 0.00001386 6.018 5.694/6.577 6.236 ± 0.6519
ea18 1342 1342/1342 1342 ± 0.000001827 5.009 4.783/5.563 5.229 ± 0.524
ea19 1342 1342/1342 1342 ± 0 5.812 5.64/6.804 6.262 ± 0.7166
ea20 1342 1342/1342 1342 ± 0.000001825 5.995 5.828/6.781 6.34 ± 0.6615
ea21 1342 1342/1342 1342 ± 0.000001293 5.731 5.472/6.346 5.956 ± 0.5892
ea22 1342 1342/1342 1342 ± 0.00001831 5.57 5.324/6.314 5.841 ± 0.6334
ea23 1342 1342/1342 1342 ± 0.000004805 6.263 5.649/6.74 6.256 ± 0.6891
ea25 1342 1342/1342 1342 ± 0.000008697 5.75 5.351/6.224 5.854 ± 0.5964
ea26 1342 1342/1342 1342 ± 0.000006408 5.999 5.711/6.634 6.237 ± 0.6703
ea27 1342 1342/1342 1342 ± 0.00001796 5.732 5.33/6.492 5.912 ± 0.6047
ea28 1342 1342/1342 1342 ± 0.00003464 5.711 5.531/6.501 5.965 ± 0.6611
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 5.51 5.301/5.681 5.467 ± 0.271
3 1342 1342/1342 1342 ± 0.00002504 5.309 5.124/5.567 5.291 ± 0.3011
4 1342 1342/1342 1342 ± 0.00002694 5.16 4.988/5.436 5.162 ± 0.3313
5 1342 1342/1342 1342 ± 0.00002349 5.533 5.279/5.706 5.498 ± 0.3441
6 1342 1342/1342 1342 ± 0.00002349 5.475 5.225/5.639 5.425 ± 0.3119
7 1342 1342/1342 1342 ± 0.00002349 5.511 5.34/5.68 5.485 ± 0.294
8 1342 1342/1342 1342 ± 0.00002349 5.506 5.286/5.626 5.43 ± 0.3182
9 1342 1342/1342 1342 ± 0.00002349 5.747 5.526/6.012 5.719 ± 0.3707
10 1342 1342/1342 1342 ± 0.00002394 6.14 5.946/6.329 6.103 ± 0.3407
11 1342 1342/1342 1342 ± 0.00002394 6.393 6.219/6.528 6.328 ± 0.3473
12 1342 1342/1342 1342 ± 0.00002349 6.519 6.403/6.747 6.511 ± 0.3766
13 1342 1342/1342 1342 ± 0.00002349 7.032 6.905/7.206 6.984 ± 0.4014
14 1342 1342/1342 1342 ± 0.00002635 7.333 7.094/7.532 7.242 ± 0.4495
15 1342 1342/1342 1342 ± 0.00003151 6.687 6.45/6.897 6.618 ± 0.4168
16 1342 1342/1342 1342 ± 0.0000378 5.983 5.754/6.269 6.009 ± 0.3956
17 1342 1342/1342 1342 ± 0.00003596 6.001 5.756/6.319 6.016 ± 0.3798
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
Start time
2025-02-25 00:10:22.092
End
2025-02-25 00:52:35.760
Duration
0:42:13.668
Note, WebLog generation is not included in the time.

CASA logs for stage 8