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 5.792 5.103/6.118 5.676 ± 0.646
ea02 1342 1342/1342 1342 ± 0.000004066 5.655 5.261/6.661 5.913 ± 0.7758
ea04 1342 1342/1342 1342 ± 0 5.359 4.684/5.937 5.352 ± 0.6854
ea05 1342 1342/1342 1342 ± 0 5.753 4.852/6.309 5.538 ± 0.7066
ea06 1342 1342/1342 1342 ± 0 4.705 4.247/5.081 4.68 ± 0.4707
ea07 1342 1342/1342 1342 ± 0.000005322 6.118 5.097/6.406 5.902 ± 0.7929
ea08 1342 1342/1342 1342 ± 0.000009072 5.642 5.423/6.785 6.043 ± 0.8402
ea09 1342 1342/1342 1342 ± 0 5.428 4.925/6.36 5.574 ± 0.7081
ea10 1342 1342/1342 1342 ± 0.00001634 5.913 5.011/6.608 5.821 ± 0.8919
ea11 1342 1342/1342 1342 ± 0.000001538 5.973 4.941/6.433 5.827 ± 0.8107
ea12 1342 1342/1342 1342 ± 0 5.811 5.018/6.304 5.738 ± 0.735
ea13 1342 1342/1342 1342 ± 0 5.969 5.254/6.178 5.813 ± 0.6383
ea14 1342 1342/1342 1342 ± 0 5.973 4.889/6.359 5.766 ± 0.7953
ea15 1342 1342/1342 1342 ± 0 5.491 4.666/5.967 5.403 ± 0.7823
ea16 1342 1342/1342 1342 ± 0 6.029 5.378/6.611 6.111 ± 0.8234
ea17 1342 1342/1342 1342 ± 0.00002978 6.039 5.121/6.928 6.003 ± 0.8774
ea18 1342 1342/1342 1342 ± 0.00000316 5.121 4.529/5.717 5.112 ± 0.6339
ea19 1342 1342/1342 1342 ± 0 5.986 5.137/6.629 5.963 ± 0.8161
ea20 1342 1342/1342 1342 ± 0 6.266 5.236/6.827 6.058 ± 0.7953
ea21 1342 1342/1342 1342 ± 0 5.67 4.854/6.195 5.593 ± 0.7097
ea22 1342 1342/1342 1342 ± 0 5.351 4.931/6.231 5.569 ± 0.6739
ea23 1342 1342/1342 1342 ± 0 6.24 5.357/6.729 6.077 ± 0.8368
ea25 1342 1342/1342 1342 ± 0.00001341 5.736 4.914/6.31 5.661 ± 0.7559
ea26 1342 1342/1342 1342 ± 0 5.679 5.141/6.695 5.89 ± 0.7919
ea27 1342 1342/1342 1342 ± 0.00003287 5.584 4.989/6.532 5.689 ± 0.7735
ea28 1342 1342/1342 1342 ± 0.00003038 5.59 5.21/6.664 5.879 ± 0.8187
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 ± 0.00002903 4.831 4.67/4.969 4.804 ± 0.2348
3 1342 1342/1342 1342 ± 0.00003267 4.83 4.673/4.969 4.811 ± 0.2518
4 1342 1342/1342 1342 ± 0.00002606 5.206 4.764/5.456 5.094 ± 0.3835
5 1342 1342/1342 1342 ± 0.00002542 4.969 4.837/5.118 4.956 ± 0.3014
6 1342 1342/1342 1342 ± 0.00002509 4.99 4.797/5.135 4.967 ± 0.2941
7 1342 1342/1342 1342 ± 0.00002473 5.097 4.962/5.265 5.067 ± 0.2771
8 1342 1342/1342 1342 ± 0.00002476 5.116 4.98/5.329 5.09 ± 0.2995
9 1342 1342/1342 1342 ± 0.00002436 5.471 5.241/5.72 5.417 ± 0.3671
10 1342 1342/1342 1342 ± 0.00002447 5.981 5.815/6.211 5.94 ± 0.3526
11 1342 1342/1342 1342 ± 0.00002399 6.31 5.994/6.414 6.182 ± 0.3671
12 1342 1342/1342 1342 ± 0.00002372 6.4 6.202/6.664 6.371 ± 0.3907
13 1342 1342/1342 1342 ± 0.00002377 6.913 6.652/7.146 6.847 ± 0.418
14 1342 1342/1342 1342 ± 0.00002366 7.138 6.744/7.412 7.043 ± 0.4868
15 1342 1342/1342 1342 ± 0.00002358 6.698 6.408/6.919 6.602 ± 0.4417
16 1342 1342/1342 1342 ± 0.00003132 5.907 5.634/6.187 5.884 ± 0.3993
17 1342 1342/1342 1342 ± 0.00003099 5.941 5.662/6.104 5.884 ± 0.3801
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-03-07 20:54:09.637
End
2025-03-07 21:22:43.432
Duration
0:28:33.795
Note, WebLog generation is not included in the time.

CASA logs for stage 8