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 5.631 5.129/6.208 5.575 ± 0.7802
ea02 1342 1342/1342 1342 ± 0.00004634 5.812 5.242/6.71 5.851 ± 0.9517
ea04 1342 1342/1342 1342 ± 0.0000168 5.364 5.001/6.131 5.482 ± 0.774
ea05 1342 1342/1342 1342 ± 0.00002944 5.975 5.114/6.42 5.784 ± 0.8182
ea06 1342 1342/1342 1342 ± 0.00002364 5.034 4.526/5.355 4.865 ± 0.5717
ea07 1342 1342/1342 1342 ± 0.00004246 5.998 5.32/6.439 5.869 ± 0.9444
ea08 1342 1342/1342 1342 ± 0.00004273 5.9 5.44/6.867 6.053 ± 1.016
ea09 1342 1342/1342 1342 ± 0.0000247 5.791 5.07/6.623 5.711 ± 0.9004
ea10 1342 1342/1342 1342 ± 0.00002973 5.87 5.378/6.877 6.044 ± 0.8514
ea11 1342 1342/1342 1342 ± 0.00004273 5.584 5.071/6.607 5.777 ± 0.9509
ea12 1342 1342/1342 1342 ± 0.00002954 5.786 5.323/6.651 5.844 ± 0.9733
ea13 1342 1342/1342 1342 ± 0.00001673 6.132 5.594/6.46 6.014 ± 0.7994
ea14 1342 1342/1342 1342 ± 0.00004023 5.672 5.185/6.572 5.823 ± 0.8625
ea15 1342 1342/1342 1342 ± 0.000018 5.358 5.031/6.303 5.581 ± 0.8777
ea16 1342 1342/1342 1342 ± 0.00003928 6.071 5.631/6.987 6.174 ± 0.9952
ea17 1342 1342/1342 1342 ± 0.00004283 5.77 5.319/7.093 5.957 ± 0.9998
ea18 1342 1342/1342 1342 ± 0.00004161 5.198 4.738/5.805 5.174 ± 0.6855
ea19 1342 1342/1342 1342 ± 0.00001484 6.083 5.56/6.862 6.174 ± 0.8821
ea20 1342 1342/1342 1342 ± 0.00003811 6.191 5.548/7.031 6.11 ± 1.039
ea21 1342 1342/1342 1342 ± 0.00003875 5.74 5.381/6.504 5.812 ± 0.8272
ea22 1342 1342/1342 1342 ± 0.00003893 5.22 4.989/6.41 5.546 ± 0.8646
ea23 1342 1342/1342 1342 ± 0.0000427 5.843 5.494/6.796 5.959 ± 1.003
ea25 1342 1342/1342 1342 ± 0.00004206 5.562 5.204/6.425 5.653 ± 0.8642
ea26 1342 1342/1342 1342 ± 0.00002884 6.006 5.598/7.027 6.131 ± 0.9626
ea27 1342 1342/1342 1342 ± 0.00004181 5.653 5.122/6.656 5.72 ± 0.8942
ea28 1342 1342/1342 1342 ± 0.00004326 5.962 5.201/6.639 5.816 ± 0.9854
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 ± 0.00002358 5.775 5.582/6.046 5.785 ± 0.3317
5 1342 1342/1342 1342 ± 0.00002641 5.477 5.08/5.63 5.395 ± 0.3549
6 1342 1342/1342 1342 ± 0.00002358 5.3 5.106/5.402 5.254 ± 0.2832
7 1342 1342/1342 1342 ± 0.00002358 5.313 5.157/5.495 5.3 ± 0.2767
8 1342 1342/1342 1342 ± 0.00002358 5.348 5.12/5.475 5.307 ± 0.3065
9 1342 1342/1342 1342 ± 0.00002358 5.594 5.36/5.845 5.549 ± 0.3564
10 1342 1342/1342 1342 ± 0.00002358 6.125 5.962/6.331 6.08 ± 0.3346
11 1342 1342/1342 1342 ± 0.00002358 6.463 6.266/6.524 6.369 ± 0.3495
12 1342 1342/1342 1342 ± 0.00002358 6.628 6.427/6.797 6.571 ± 0.3853
13 1342 1342/1342 1342 ± 0.00002358 7.008 6.801/7.151 6.973 ± 0.4291
14 1342 1342/1342 1342 ± 0.00002358 7.128 6.915/7.342 7.081 ± 0.4782
15 1342 1342/1342 1342 ± 0.00002409 6.797 6.558/7.037 6.721 ± 0.4748
16 1342 1342/1342 1342 ± 0.00005574 4.194 4.07/4.345 4.209 ± 0.2075
17 1342 1342/1342 1342 ± 0.00005682 4.256 4.125/4.435 4.292 ± 0.2534
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-01-08 04:27:50.435
End
2025-01-08 04:59:03.090
Duration
0:31:12.655
Note, WebLog generation is not included in the time.

CASA logs for stage 8