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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.376 5.224/6 5.463 ± 0.8306
ea02 1342 1342/1342 1342 ± 0.00004059 5.976 5.399/6.703 5.871 ± 1.005
ea04 1342 1342/1342 1342 ± 0.00003337 5.49 5.038/6.117 5.399 ± 0.8379
ea05 1342 1342/1342 1342 ± 0.00002118 5.446 5.071/6.158 5.503 ± 0.8147
ea06 1342 1342/1342 1342 ± 0.00004268 4.952 4.691/5.34 4.785 ± 0.7304
ea07 1342 1342/1342 1342 ± 0.00004051 5.936 5.421/6.2 5.664 ± 0.8885
ea08 1342 1342/1342 1342 ± 0.00003993 6.14 5.631/6.945 6.102 ± 1.062
ea09 1342 1342/1342 1342 ± 0.00002456 5.637 5.128/6.262 5.591 ± 0.7927
ea10 1342 1342/1342 1342 ± 0.00004139 5.682 5.168/6.312 5.555 ± 0.9068
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004191 5.662 5.284/6.559 5.616 ± 1.009
ea13 1342 1342/1342 1342 ± 0.00002196 5.783 5.632/6.398 5.868 ± 0.828
ea14 1342 1342/1342 1342 ± 0.00002323 5.712 5.317/6.608 5.741 ± 0.9783
ea15 1342 1342/1342 1342 ± 0.00003855 5.358 5.141/6.275 5.43 ± 1.071
ea16 1342 1342/1342 1342 ± 0.00002404 5.827 5.489/6.702 5.772 ± 0.9856
ea17 1342 1342/1342 1342 ± 0.00004467 6.061 5.516/6.674 5.948 ± 1.034
ea18 1342 1342/1342 1342 ± 0.00004355 4.979 4.786/5.547 4.987 ± 0.7489
ea19 1342 1342/1342 1342 ± 0.000007299 5.805 5.432/6.479 5.794 ± 0.8417
ea20 1342 1342/1342 1342 ± 0.00004282 5.9 5.674/6.809 5.942 ± 1.086
ea21 1342 1342/1342 1342 ± 0.00002035 5.504 5.352/6.27 5.553 ± 0.8717
ea22 1342 1342/1342 1342 ± 0.0000322 5.399 5.131/6.448 5.582 ± 0.9046
ea23 1342 1342/1342 1342 ± 0.00003587 5.867 5.508/6.464 5.775 ± 0.9903
ea25 1342 1342/1342 1342 ± 0.00004226 5.618 5.272/6.241 5.555 ± 0.8977
ea27 1342 1342/1342 1342 ± 0.00004189 5.622 5.195/6.475 5.589 ± 0.9112
ea28 1342 1342/1342 1342 ± 0.00004154 5.764 5.484/6.677 5.816 ± 0.9966
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 ± 0.0000244 5.512 5.218/5.697 5.472 ± 0.2806
3 1342 1342/1342 1342 ± 0.00004883 5.479 5.102/5.866 5.474 ± 0.5214
5 1342 1342/1342 1342 ± 0.00002553 5.371 5.167/5.521 5.358 ± 0.2694
6 1342 1342/1342 1342 ± 0.0000244 5.368 5.164/5.485 5.339 ± 0.2833
7 1342 1342/1342 1342 ± 0.0000244 5.366 5.179/5.5 5.337 ± 0.2673
8 1342 1342/1342 1342 ± 0.0000244 5.361 5.152/5.488 5.316 ± 0.2942
9 1342 1342/1342 1342 ± 0.0000244 5.642 5.424/5.867 5.603 ± 0.3443
10 1342 1342/1342 1342 ± 0.0000244 6.101 5.852/6.212 6.028 ± 0.3299
11 1342 1342/1342 1342 ± 0.0000244 6.295 6.168/6.478 6.305 ± 0.341
12 1342 1342/1342 1342 ± 0.0000244 6.533 6.337/6.708 6.496 ± 0.3618
13 1342 1342/1342 1342 ± 0.0000244 6.774 6.487/6.973 6.687 ± 0.3987
14 1342 1342/1342 1342 ± 0.00003106 6.506 6.083/6.774 6.418 ± 0.5419
15 1342 1342/1342 1342 ± 0.00002578 6.666 6.275/6.942 6.583 ± 0.5237
16 1342 1342/1342 1342 ± 0.00005349 3.573 3.399/3.814 3.596 ± 0.3281
17 1342 1342/1342 1342 ± 0.0000561 3.797 3.61/4.041 3.843 ± 0.3464
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-26 10:34:02.717
End
2024-11-26 11:29:15.610
Duration
0:55:12.892
Note, WebLog generation is not included in the time.

CASA logs for stage 8