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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.36 5.314/6.096 5.669 ± 0.4936
ea02 1342 1342/1342 1342 ± 0 5.921 5.625/6.681 6.136 ± 0.6101
ea04 1342 1342/1342 1342 ± 0 5.531 5.091/6.192 5.657 ± 0.5689
ea05 1342 1342/1342 1342 ± 0 5.932 5.406/6.586 5.98 ± 0.6039
ea06 1342 1342/1342 1342 ± 0 5.149 4.655/5.397 5.048 ± 0.417
ea07 1342 1342/1342 1342 ± 0 5.695 5.481/6.2 5.911 ± 0.5608
ea08 1342 1342/1342 1342 ± 0 5.955 5.696/6.796 6.23 ± 0.6187
ea09 1342 1342/1342 1342 ± 0 5.896 5.338/6.601 5.943 ± 0.6113
ea10 1342 1342/1342 1342 ± 0.000006777 5.667 5.21/6.333 5.765 ± 0.5807
ea11 1342 1342/1342 1342 ± 0 6.051 5.307/6.348 5.958 ± 0.5861
ea12 1342 1342/1342 1342 ± 0 5.989 5.402/6.524 6.037 ± 0.6395
ea13 1342 1342/1342 1342 ± 0 6.201 5.765/6.404 6.203 ± 0.4929
ea14 1342 1342/1342 1342 ± 0.00001415 5.714 5.351/6.467 5.875 ± 0.6405
ea15 1342 1342/1342 1342 ± 0 5.717 5.093/6.331 5.753 ± 0.6942
ea16 1342 1342/1342 1342 ± 0.000008548 6.048 5.78/6.814 6.252 ± 0.6686
ea17 1342 1342/1342 1342 ± 0 6.024 5.566/6.554 6.132 ± 0.5839
ea18 1342 1342/1342 1342 ± 0 5.189 4.825/5.696 5.265 ± 0.511
ea19 1342 1342/1342 1342 ± 0 6.16 5.614/6.768 6.176 ± 0.6226
ea20 1342 1342/1342 1342 ± 0 6.356 5.745/6.761 6.307 ± 0.6341
ea21 1342 1342/1342 1342 ± 0 5.641 5.451/6.382 5.857 ± 0.564
ea22 1342 1342/1342 1342 ± 0 5.724 5.377/6.572 5.948 ± 0.6216
ea23 1342 1342/1342 1342 ± 0.0000012 5.684 5.524/6.629 6.063 ± 0.6718
ea25 1342 1342/1342 1342 ± 0 5.893 5.323/6.21 5.831 ± 0.5819
ea26 1342 1342/1342 1342 ± 0 6.104 5.661/6.831 6.234 ± 0.5918
ea27 1342 1342/1342 1342 ± 0.00003813 5.574 5.376/6.374 5.824 ± 0.5392
ea28 1342 1342/1342 1342 ± 0.000002938 5.581 5.479/6.526 5.942 ± 0.6084
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 ± 0.00002376 5.383 5.226/5.595 5.389 ± 0.2589
4 1342 1342/1342 1342 ± 0.00002376 5.323 5.198/5.476 5.294 ± 0.353
5 1342 1342/1342 1342 ± 0.00002376 5.474 5.245/5.61 5.445 ± 0.3273
6 1342 1342/1342 1342 ± 0.00002376 5.327 5.163/5.541 5.322 ± 0.3018
7 1342 1342/1342 1342 ± 0.00002376 5.406 5.278/5.57 5.411 ± 0.2747
8 1342 1342/1342 1342 ± 0.00002376 5.448 5.153/5.586 5.365 ± 0.303
9 1342 1342/1342 1342 ± 0.00002376 5.68 5.545/5.886 5.639 ± 0.3399
10 1342 1342/1342 1342 ± 0.00002376 6.113 5.987/6.262 6.066 ± 0.3215
11 1342 1342/1342 1342 ± 0.00002376 6.368 6.145/6.433 6.28 ± 0.3365
12 1342 1342/1342 1342 ± 0.00002376 6.478 6.33/6.653 6.439 ± 0.3513
13 1342 1342/1342 1342 ± 0.00002376 6.898 6.737/7.067 6.865 ± 0.3755
14 1342 1342/1342 1342 ± 0.00002376 7.079 6.862/7.297 7.007 ± 0.4106
15 1342 1342/1342 1342 ± 0.00002376 6.6 6.367/6.787 6.545 ± 0.3925
16 1342 1342/1342 1342 ± 0.00003264 5.839 5.628/6.15 5.876 ± 0.355
17 1342 1342/1342 1342 ± 0.00003188 5.871 5.639/6.192 5.896 ± 0.3592
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-05-17 05:38:09.947
End
2024-05-17 06:34:01.061
Duration
0:55:51.115
Note, WebLog generation is not included in the time.

CASA logs for stage 8