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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.627 5.479/6.523 6.016 ± 0.6014
ea02 1342 1342/1342 1342 ± 0.00004604 5.778 5.365/6.639 6.033 ± 0.7528
ea04 1342 1342/1342 1342 ± 0.00002656 5.551 5.276/6.176 5.767 ± 0.5704
ea05 1342 1342/1342 1342 ± 0.000006703 5.674 5.437/6.572 5.942 ± 0.677
ea06 1342 1342/1342 1342 ± 0.00003319 4.985 4.86/5.739 5.307 ± 0.5036
ea07 1342 1342/1342 1342 ± 0.00004052 5.923 5.64/6.534 6.221 ± 0.6857
ea08 1342 1342/1342 1342 ± 0.00004431 6.046 5.524/6.902 6.271 ± 0.8012
ea09 1342 1342/1342 1342 ± 0.00001886 5.816 5.435/6.657 6.007 ± 0.6507
ea10 1342 1342/1342 1342 ± 0.00004282 6.025 5.601/7.14 6.35 ± 0.7917
ea11 1342 1342/1342 1342 ± 0.00004281 5.93 5.55/6.953 6.299 ± 0.789
ea12 1342 1342/1342 1342 ± 0.00003445 6.043 5.639/6.741 6.19 ± 0.7058
ea13 1342 1342/1342 1342 ± 0.000007602 6.117 5.553/6.487 6.182 ± 0.6839
ea14 1342 1342/1342 1342 ± 0.00003915 5.434 5.233/6.436 5.868 ± 0.6977
ea15 1342 1342/1342 1342 ± 0.00002544 5.549 5.434/6.512 5.997 ± 0.6959
ea16 1342 1342/1342 1342 ± 0.00001031 5.729 5.424/6.848 6.151 ± 0.8966
ea17 1342 1342/1342 1342 ± 0.00004512 6.098 5.781/7.267 6.485 ± 0.7849
ea18 1342 1342/1342 1342 ± 0.00004372 5.354 5.109/6.019 5.55 ± 0.5387
ea19 1342 1342/1342 1342 ± 0.00002039 5.878 5.718/6.929 6.294 ± 0.7232
ea20 1342 1342/1342 1342 ± 0.00003952 6.101 5.826/7.228 6.498 ± 0.7687
ea21 1342 1342/1342 1342 ± 0.00002851 5.626 5.248/6.546 5.928 ± 0.7196
ea22 1342 1342/1342 1342 ± 0.00003127 5.545 5.183/6.372 5.801 ± 0.7774
ea23 1342 1342/1342 1342 ± 0.00004008 5.822 5.6/6.705 6.21 ± 0.7308
ea25 1342 1342/1342 1342 ± 0.00004364 5.845 5.715/6.714 6.186 ± 0.6949
ea26 1342 1342/1342 1342 ± 0.0000192 5.923 5.783/6.949 6.315 ± 0.648
ea27 1342 1342/1342 1342 ± 0.00004376 5.814 5.7/6.837 6.187 ± 0.6791
ea28 1342 1342/1342 1342 ± 0.0000448 5.971 5.69/6.808 6.256 ± 0.6967
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 ± 0.00002353 5.564 5.317/5.754 5.517 ± 0.3507
5 1342 1342/1342 1342 ± 0.00003179 5.636 5.468/5.842 5.664 ± 0.2624
6 1342 1342/1342 1342 ± 0.00002383 5.537 5.379/5.711 5.499 ± 0.261
7 1342 1342/1342 1342 ± 0.00002353 5.533 5.353/5.708 5.522 ± 0.279
8 1342 1342/1342 1342 ± 0.00002353 5.457 5.242/5.694 5.475 ± 0.3192
9 1342 1342/1342 1342 ± 0.00002678 5.689 5.43/5.848 5.618 ± 0.2975
10 1342 1342/1342 1342 ± 0.00002353 6.297 6.094/6.504 6.274 ± 0.3087
11 1342 1342/1342 1342 ± 0.00002353 6.498 6.364/6.726 6.522 ± 0.3231
12 1342 1342/1342 1342 ± 0.00002397 6.697 6.505/6.874 6.674 ± 0.358
13 1342 1342/1342 1342 ± 0.00002353 7.163 6.979/7.359 7.121 ± 0.3513
14 1342 1342/1342 1342 ± 0.00002353 7.42 7.081/7.509 7.285 ± 0.3758
15 1342 1342/1342 1342 ± 0.00002395 6.922 6.734/7.133 6.855 ± 0.4037
16 1342 1342/1342 1342 ± 0.00005756 5.329 5.199/5.455 5.313 ± 0.2076
17 1342 1342/1342 1342 ± 0.00006042 5.539 5.415/5.683 5.538 ± 0.2616
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
overwrite_modelcol
False
Start time
2025-01-07 05:49:02.203
End
2025-01-07 06:55:37.086
Duration
1:06:34.883
Note, WebLog generation is not included in the time.

CASA logs for stage 8