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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.539 5.128/5.996 5.59 ± 0.5144
ea02 1342 1342/1342 1342 ± 0.00001596 5.925 5.289/6.577 6.067 ± 0.6546
ea03 1342 1342/1342 1342 ± 0.00001107 5.017 4.736/5.948 5.334 ± 0.6582
ea04 1342 1342/1342 1342 ± 0.00001502 5.256 5.091/6.047 5.586 ± 0.5542
ea05 1342 1342/1342 1342 ± 0.000007263 5.476 5.27/6.396 5.797 ± 0.6491
ea06 1342 1342/1342 1342 ± 0.00001096 5.021 4.806/5.629 5.224 ± 0.4263
ea07 1342 1342/1342 1342 ± 0.00001355 5.79 5.317/6.228 5.904 ± 0.5864
ea08 1342 1342/1342 1342 ± 0.00001064 6.113 5.536/6.832 6.307 ± 0.6961
ea09 1342 1342/1342 1342 ± 0.00001165 5.49 5.206/6.42 5.825 ± 0.6487
ea10 1342 1342/1342 1342 ± 0.00001562 5.736 5.177/6.572 5.909 ± 0.6648
ea11 1342 1342/1342 1342 ± 0.00001283 5.691 5.068/6.358 5.8 ± 0.6572
ea12 1342 1342/1342 1342 ± 0.000008606 5.494 5.198/6.354 5.816 ± 0.6603
ea13 1342 1342/1342 1342 ± 0.00001236 6.099 5.604/6.402 6.158 ± 0.5807
ea14 1342 1342/1342 1342 ± 0.00000322 5.526 5.162/6.361 5.837 ± 0.668
ea15 1342 1342/1342 1342 ± 0.00001212 5.501 5.139/6.29 5.803 ± 0.7132
ea16 1342 1342/1342 1342 ± 0.000005249 5.944 5.457/6.744 6.201 ± 0.8429
ea17 1342 1342/1342 1342 ± 0.00001826 5.998 5.667/7.124 6.278 ± 0.7113
ea18 1342 1342/1342 1342 ± 0.0000131 4.821 4.617/5.586 5.05 ± 0.495
ea19 1342 1342/1342 1342 ± 0.00000826 5.529 5.352/6.531 5.935 ± 0.6493
ea21 1342 1342/1342 1342 ± 0.000007402 5.559 5.292/6.336 5.864 ± 0.6339
ea22 1342 1342/1342 1342 ± 0.000007767 5.513 5.118/6.367 5.832 ± 0.6798
ea23 1342 1342/1342 1342 ± 0.000009653 5.793 5.382/6.59 6.038 ± 0.6932
ea25 1342 1342/1342 1342 ± 0.00001819 5.568 5.148/6.265 5.765 ± 0.5953
ea26 1342 1342/1342 1342 ± 0.00001166 5.818 5.613/6.794 6.195 ± 0.6843
ea27 1342 1342/1342 1342 ± 0.00002104 5.685 5.263/6.424 5.796 ± 0.6114
ea28 1342 1342/1342 1342 ± 0.00002096 5.558 5.173/6.259 5.746 ± 0.5829
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 ± 0.00002393 5.148 5.007/5.354 5.141 ± 0.2486
5 1342 1342/1342 1342 ± 0.00002958 5.375 5.066/5.528 5.338 ± 0.3807
6 1342 1342/1342 1342 ± 0.00002393 5.232 5.052/5.391 5.211 ± 0.2937
7 1342 1342/1342 1342 ± 0.00002381 5.163 5.099/5.317 5.202 ± 0.2476
8 1342 1342/1342 1342 ± 0.00002393 5.24 5.03/5.411 5.197 ± 0.2725
9 1342 1342/1342 1342 ± 0.000024 5.494 5.363/5.764 5.509 ± 0.3069
10 1342 1342/1342 1342 ± 0.00002377 5.95 5.776/6.139 5.915 ± 0.3072
11 1342 1342/1342 1342 ± 0.00002373 6.229 6.068/6.378 6.182 ± 0.3062
12 1342 1342/1342 1342 ± 0.00002383 6.344 6.209/6.55 6.342 ± 0.3246
13 1342 1342/1342 1342 ± 0.00002373 6.636 6.427/6.829 6.595 ± 0.3657
14 1342 1342/1342 1342 ± 0.0000242 6.76 6.597/6.984 6.754 ± 0.4135
15 1342 1342/1342 1342 ± 0.00003752 6.726 6.537/6.951 6.687 ± 0.4602
16 1342 1342/1342 1342 ± 0.00005619 4.184 4.04/4.328 4.222 ± 0.4847
17 1342 1342/1342 1342 ± 0.00004827 4.298 4.189/4.438 4.322 ± 0.1983
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
Start time
2025-02-20 06:01:54.779
End
2025-02-20 06:26:58.592
Duration
0:25:03.813
Note, WebLog generation is not included in the time.

CASA logs for stage 8