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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.399 5.814/6.786 6.402 ± 0.6528
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00003142 5.839 5.443/6.308 5.963 ± 0.6078
ea06 1342 1342/1342 1342 ± 0 5.988 5.627/6.492 6.062 ± 0.5977
ea07 1342 1342/1342 1342 ± 0.000001186 6.127 5.604/6.322 6.131 ± 0.5699
ea08 1342 1342/1342 1342 ± 0 6.365 5.905/6.859 6.461 ± 0.6156
ea09 1342 1342/1342 1342 ± 0 6.198 5.6/6.804 6.273 ± 0.6343
ea10 1342 1342/1342 1342 ± 0 6.174 5.695/6.971 6.276 ± 0.6803
ea11 1342 1342/1342 1342 ± 0 6.048 5.718/6.621 6.208 ± 0.6204
ea12 1342 1342/1342 1342 ± 0 6.31 5.761/6.743 6.337 ± 0.6476
ea13 1342 1342/1342 1342 ± 0 5.903 5.699/6.262 6.013 ± 0.4734
ea14 1342 1342/1342 1342 ± 0 6.323 5.986/7.003 6.529 ± 0.7236
ea15 1342 1342/1342 1342 ± 0 5.716 5.342/6.128 5.802 ± 0.5562
ea16 1342 1342/1342 1342 ± 0.000001186 6.434 5.975/6.938 6.549 ± 0.7054
ea17 1342 1342/1342 1342 ± 0 6.463 6.115/7.403 6.687 ± 0.6578
ea18 1342 1342/1342 1342 ± 0 5.193 4.734/5.523 5.212 ± 0.4717
ea19 1342 1342/1342 1342 ± 0 6.528 6.156/7.273 6.665 ± 0.7037
ea20 1342 1342/1342 1342 ± 0 6.081 5.87/6.998 6.38 ± 0.6014
ea21 1342 1342/1342 1342 ± 0 6.072 5.743/6.632 6.272 ± 0.5925
ea22 1342 1342/1342 1342 ± 0 6.275 5.622/6.544 6.138 ± 0.6396
ea23 1342 1342/1342 1342 ± 0 6.267 6.02/6.878 6.53 ± 0.648
ea24 1342 1342/1342 1342 ± 0 6.088 5.269/6.52 5.938 ± 0.5908
ea26 1342 1342/1342 1342 ± 0 6.417 5.915/7.234 6.551 ± 0.7452
ea27 1342 1342/1342 1342 ± 0 6.151 5.93/7.124 6.451 ± 0.7078
ea28 1342 1342/1342 1342 ± 0 6.079 5.936/6.986 6.447 ± 0.7067
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 ± 0.00002441 5.866 5.642/6.019 5.81 ± 0.341
4 1342 1342/1342 1342 ± 0.00003662 5.331 5.061/5.427 5.32 ± 0.2716
5 1342 1342/1342 1342 ± 0.00002441 5.851 5.594/5.936 5.737 ± 0.3586
6 1342 1342/1342 1342 ± 0.00002441 5.712 5.401/5.891 5.649 ± 0.3019
7 1342 1342/1342 1342 ± 0.00002441 5.746 5.456/5.937 5.694 ± 0.3182
8 1342 1342/1342 1342 ± 0.00002441 5.65 5.303/5.866 5.612 ± 0.3596
9 1342 1342/1342 1342 ± 0.00002441 6.009 5.641/6.169 5.892 ± 0.3599
10 1342 1342/1342 1342 ± 0.00002441 6.426 6.205/6.596 6.329 ± 0.3644
11 1342 1342/1342 1342 ± 0.00002441 6.622 6.393/6.825 6.566 ± 0.3834
12 1342 1342/1342 1342 ± 0.00002441 6.768 6.508/6.993 6.707 ± 0.424
13 1342 1342/1342 1342 ± 0.00002441 7.207 6.934/7.583 7.186 ± 0.4377
14 1342 1342/1342 1342 ± 0.00002441 7.46 7.257/7.794 7.419 ± 0.4305
15 1342 1342/1342 1342 ± 0.00002441 7.107 6.732/7.466 7.064 ± 0.4482
16 1342 1342/1342 1342 ± 0.00002441 6.238 6.049/6.502 6.274 ± 0.3931
17 1342 1342/1342 1342 ± 0.00002482 6.224 6.029/6.397 6.176 ± 0.3646
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
output_dir
 
Start time
2025-04-18 08:12:27.114
End
2025-04-18 09:09:46.460
Duration
0:57:19.346
Note, WebLog generation is not included in the time.

CASA logs for stage 8