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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.219 5.754/6.751 6.31 ± 0.6479
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.0000257 5.839 5.478/6.483 5.989 ± 0.6337
ea06 1342 1342/1342 1342 ± 0 6.143 5.54/6.567 6.097 ± 0.6332
ea07 1342 1342/1342 1342 ± 0 6.112 5.589/6.37 6.106 ± 0.5829
ea08 1342 1342/1342 1342 ± 0.000003323 6.156 5.686/6.824 6.351 ± 0.653
ea09 1342 1342/1342 1342 ± 0 6.034 5.561/6.819 6.171 ± 0.6666
ea10 1342 1342/1342 1342 ± 0 6.211 5.711/7.012 6.339 ± 0.6545
ea11 1342 1342/1342 1342 ± 0 6.038 5.7/6.642 6.195 ± 0.6659
ea12 1342 1342/1342 1342 ± 0 6.306 5.713/6.745 6.326 ± 0.654
ea13 1342 1342/1342 1342 ± 0 5.869 5.61/6.307 6.004 ± 0.5047
ea14 1342 1342/1342 1342 ± 0 6.567 5.851/7.009 6.545 ± 0.7447
ea15 1342 1342/1342 1342 ± 0 5.779 5.298/6.153 5.769 ± 0.5792
ea16 1342 1342/1342 1342 ± 0 6.454 5.921/6.952 6.542 ± 0.7369
ea17 1342 1342/1342 1342 ± 0 6.506 6.059/7.456 6.713 ± 0.6999
ea18 1342 1342/1342 1342 ± 0 5.099 4.703/5.553 5.16 ± 0.521
ea19 1342 1342/1342 1342 ± 0 6.66 6.017/7.213 6.665 ± 0.7128
ea20 1342 1342/1342 1342 ± 0 6.129 5.876/7.027 6.356 ± 0.6342
ea21 1342 1342/1342 1342 ± 0 5.971 5.689/6.701 6.239 ± 0.6221
ea22 1342 1342/1342 1342 ± 0 6.247 5.389/6.642 6.114 ± 0.681
ea23 1342 1342/1342 1342 ± 0 6.287 5.928/6.893 6.522 ± 0.6665
ea24 1342 1342/1342 1342 ± 0 5.956 5.208/6.491 5.83 ± 0.6329
ea26 1342 1342/1342 1342 ± 0 6.447 5.918/7.241 6.508 ± 0.7745
ea27 1342 1342/1342 1342 ± 0 6.147 5.959/7.188 6.452 ± 0.7315
ea28 1342 1342/1342 1342 ± 0 6.163 5.933/7.011 6.466 ± 0.6974
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 ± 0.00002439 5.789 5.592/5.932 5.737 ± 0.3316
4 1342 1342/1342 1342 ± 0.0000281 5.355 5.083/5.529 5.305 ± 0.3492
5 1342 1342/1342 1342 ± 0.00002439 5.753 5.546/5.883 5.675 ± 0.3417
6 1342 1342/1342 1342 ± 0.00002439 5.668 5.44/5.845 5.622 ± 0.3089
7 1342 1342/1342 1342 ± 0.00002439 5.711 5.496/5.888 5.657 ± 0.3048
8 1342 1342/1342 1342 ± 0.00002439 5.638 5.376/5.826 5.592 ± 0.3568
9 1342 1342/1342 1342 ± 0.00002439 5.972 5.656/6.152 5.875 ± 0.3584
10 1342 1342/1342 1342 ± 0.00002439 6.445 6.226/6.581 6.333 ± 0.3556
11 1342 1342/1342 1342 ± 0.00002439 6.635 6.389/6.849 6.585 ± 0.3818
12 1342 1342/1342 1342 ± 0.00002439 6.752 6.487/7.015 6.729 ± 0.4189
13 1342 1342/1342 1342 ± 0.00002439 7.221 6.926/7.586 7.206 ± 0.4407
14 1342 1342/1342 1342 ± 0.00002439 7.504 7.24/7.772 7.434 ± 0.4322
15 1342 1342/1342 1342 ± 0.00002439 7.11 6.762/7.48 7.071 ± 0.4434
16 1342 1342/1342 1342 ± 0.00002439 6.338 6.142/6.499 6.32 ± 0.4068
17 1342 1342/1342 1342 ± 0.00002452 6.254 6.042/6.495 6.233 ± 0.3707
output_dir
 
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-04-19 01:22:32.704
End
2025-04-19 02:30:56.953
Duration
1:08:24.249
Note, WebLog generation is not included in the time.

CASA logs for stage 8