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

Statwt Summary Plot

VLASS2.1.sb39020510.eb39074114.59177.52519034722_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 5.403 5.236/6.233 5.542 ± 0.8196
ea02 1342 1342/1342 1342 ± 0.00004268 5.8 5.288/6.606 5.751 ± 0.9859
ea03 1342 1342/1342 1342 ± 0.000008509 2.073 1.999/2.419 2.198 ± 0.2938
ea04 1342 1342/1342 1342 ± 0.00003665 5.426 5.258/6.306 5.619 ± 0.8255
ea05 1342 1342/1342 1342 ± 0.00003008 5.538 5.211/6.534 5.721 ± 0.9203
ea06 1342 1342/1342 1342 ± 0.00001525 4.509 4.307/5.192 4.588 ± 0.689
ea07 1342 1342/1342 1342 ± 0.00004204 6.026 5.536/6.44 5.905 ± 0.9518
ea08 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea09 1342 1342/1342 1342 ± 0.00003819 5.577 5.285/6.673 5.759 ± 0.9183
ea10 1342 1342/1342 1342 ± 0.00004276 5.926 5.352/6.905 5.894 ± 1.025
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004206 5.648 5.452/6.72 5.871 ± 0.9484
ea13 1342 1342/1342 1342 ± 0.00002879 5.832 5.618/6.439 5.936 ± 0.8194
ea14 1342 1342/1342 1342 ± 0.00004247 5.516 5.03/6.354 5.547 ± 0.9066
ea15 1342 1342/1342 1342 ± 0.00001595 3.367 3.272/4.257 3.602 ± 0.7483
ea16 1342 1342/1342 1342 ± 0.00004131 5.929 5.534/6.844 5.953 ± 1.111
ea17 1342 1342/1342 1342 ± 0.00002219 6.183 5.655/7.278 6.26 ± 1.066
ea18 1342 1342/1342 1342 ± 0.00004211 4.937 4.687/5.901 5.105 ± 0.7567
ea19 1342 1342/1342 1342 ± 0.00001642 5.649 5.465/6.609 5.868 ± 0.936
ea20 1342 1342/1342 1342 ± 0.00002435 6.002 5.926/7.153 6.201 ± 0.9913
ea23 1342 1342/1342 1342 ± 0.00004146 5.652 5.407/6.725 5.966 ± 1.02
ea24 1342 1342/1342 1342 ± 0.0000413 5.334 5.037/6.369 5.515 ± 0.8701
ea25 1342 1342/1342 1342 ± 0.00004208 5.827 5.39/6.71 5.828 ± 0.9664
ea26 1342 1342/1342 1342 ± 0.000009904 1.554 1.498/1.648 1.577 ± 0.1079
ea27 1342 1342/1342 1342 ± 0.0000427 5.656 5.279/6.708 5.752 ± 0.9622
ea28 1342 1342/1342 1342 ± 0.00004278 5.487 5.312/6.432 5.653 ± 0.8947
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 ± 0.0000245 5.315 4.925/5.595 4.942 ± 1.114
3 1342 1342/1342 1342 ± 0.00003374 5.041 3.39/5.394 4.488 ± 1.209
5 1342 1342/1342 1342 ± 0.0000245 5.435 5.092/5.65 5.046 ± 1.165
6 1342 1342/1342 1342 ± 0.0000245 5.379 5.047/5.519 4.942 ± 1.099
7 1342 1342/1342 1342 ± 0.0000245 5.388 5.145/5.526 5.013 ± 1.103
8 1342 1342/1342 1342 ± 0.0000245 5.324 5.046/5.549 4.976 ± 1.102
9 1342 1342/1342 1342 ± 0.0000245 5.54 5.296/5.855 5.209 ± 1.176
10 1342 1342/1342 1342 ± 0.0000245 6.084 5.818/6.267 5.626 ± 1.266
11 1342 1342/1342 1342 ± 0.0000245 6.371 6.013/6.522 5.898 ± 1.308
12 1342 1342/1342 1342 ± 0.0000245 6.524 6.245/6.723 6.088 ± 1.377
13 1342 1342/1342 1342 ± 0.0000245 6.916 6.418/7.168 6.432 ± 1.438
14 1342 1342/1342 1342 ± 0.00002465 6.971 6.511/7.244 6.47 ± 1.473
15 1342 1342/1342 1342 ± 0.00002568 6.756 6.324/7.003 6.208 ± 1.44
16 1342 1342/1342 1342 ± 0.00005622 3.935 3.69/4.126 3.691 ± 0.7952
17 1342 1342/1342 1342 ± 0.00005818 4.011 3.804/4.235 3.809 ± 0.7645
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb39020510.eb39074114.59177.52519034722_split_split.ms
overwrite_modelcol
False
Start time
2025-01-11 07:03:04.768
End
2025-01-11 08:09:57.475
Duration
1:06:52.707
Note, WebLog generation is not included in the time.

CASA logs for stage 8