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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.18 4.99/6.075 5.462 ± 0.7413
ea02 1342 1342/1342 1342 ± 0.00004667 5.669 5.19/6.606 5.848 ± 0.8581
ea04 1342 1342/1342 1342 ± 0.00001572 5.476 4.99/5.945 5.456 ± 0.7303
ea05 1342 1342/1342 1342 ± 0.000009729 5.609 5.048/6.388 5.704 ± 0.7651
ea06 1342 1342/1342 1342 ± 0.00002801 4.967 4.665/5.393 4.963 ± 0.5482
ea07 1342 1342/1342 1342 ± 0.00002913 6.132 5.291/6.686 5.997 ± 0.7548
ea08 1342 1342/1342 1342 ± 0.00004451 5.751 5.389/6.791 6.011 ± 1.013
ea09 1342 1342/1342 1342 ± 0.00002371 5.694 5.134/6.477 5.724 ± 0.7508
ea10 1342 1342/1342 1342 ± 0.0000381 5.793 5.103/6.654 5.842 ± 0.9091
ea11 1342 1342/1342 1342 ± 0.00004414 5.646 5.06/6.362 5.679 ± 0.8833
ea12 1342 1342/1342 1342 ± 0.0000337 5.759 5.271/6.438 5.75 ± 0.8385
ea13 1342 1342/1342 1342 ± 0.00001092 6.225 5.427/6.33 5.96 ± 0.7042
ea14 1342 1342/1342 1342 ± 0.00003961 5.609 5.016/6.402 5.65 ± 0.9164
ea15 1342 1342/1342 1342 ± 0.000009298 5.263 4.999/6.184 5.55 ± 0.8571
ea16 1342 1342/1342 1342 ± 0.00002314 5.559 5.23/6.819 5.954 ± 1.051
ea17 1342 1342/1342 1342 ± 0.00004603 5.999 5.215/6.979 5.927 ± 0.9696
ea18 1342 1342/1342 1342 ± 0.00004338 4.876 4.659/5.633 5.036 ± 0.6306
ea19 1342 1342/1342 1342 ± 0.00002434 5.873 5.528/6.727 6.053 ± 0.8973
ea20 1342 1342/1342 1342 ± 0.00004458 5.659 5.466/6.715 5.995 ± 0.9659
ea21 1342 1342/1342 1342 ± 0.0000299 5.472 5.28/6.33 5.68 ± 0.8365
ea22 1342 1342/1342 1342 ± 0.00003591 5.914 4.945/6.328 5.694 ± 0.7523
ea23 1342 1342/1342 1342 ± 0.00002977 6.148 5.51/6.99 6.165 ± 0.8284
ea25 1342 1342/1342 1342 ± 0.00003763 5.452 5.138/6.249 5.613 ± 0.7756
ea26 1342 1342/1342 1342 ± 0.00002251 5.804 5.666/6.979 6.124 ± 0.8339
ea27 1342 1342/1342 1342 ± 0.00003828 5.497 5.274/6.452 5.73 ± 0.7849
ea28 1342 1342/1342 1342 ± 0.00004502 5.598 5.357/6.517 5.84 ± 0.9409
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 ± 0.00002416 5.375 5.118/5.616 5.356 ± 0.3017
5 1342 1342/1342 1342 ± 0.00004337 5.508 5.231/5.595 5.404 ± 0.292
6 1342 1342/1342 1342 ± 0.00002408 5.288 5.009/5.36 5.221 ± 0.2791
7 1342 1342/1342 1342 ± 0.00002465 5.225 5.078/5.402 5.232 ± 0.2471
8 1342 1342/1342 1342 ± 0.00002448 5.164 5.023/5.33 5.179 ± 0.2545
9 1342 1342/1342 1342 ± 0.00002738 5.474 5.259/5.672 5.415 ± 0.3074
10 1342 1342/1342 1342 ± 0.00002348 5.996 5.916/6.183 5.979 ± 0.3127
11 1342 1342/1342 1342 ± 0.00002348 6.319 6.151/6.406 6.247 ± 0.3325
12 1342 1342/1342 1342 ± 0.00002348 6.472 6.291/6.661 6.427 ± 0.3625
13 1342 1342/1342 1342 ± 0.00002348 6.838 6.642/7.106 6.821 ± 0.3958
14 1342 1342/1342 1342 ± 0.00002348 7.114 6.878/7.305 7.041 ± 0.4247
15 1342 1342/1342 1342 ± 0.00002368 6.48 6.24/6.822 6.461 ± 0.5049
16 1342 1342/1342 1342 ± 0.00005946 4.391 4.235/4.586 4.406 ± 0.2291
17 1342 1342/1342 1342 ± 0.00006001 4.404 4.266/4.6 4.454 ± 0.2691
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-02 22:01:18.129
End
2024-11-02 23:03:33.263
Duration
1:02:15.134
Note, WebLog generation is not included in the time.

CASA logs for stage 8