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

Statwt Summary Plot

VLASS2.1.sb38453816.eb38509426.59047.17567765046_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 5.288 5.183/5.816 5.33 ± 0.6554
ea02 1342 1342/1342 1342 ± 0.00004217 5.83 5.315/6.442 5.708 ± 0.8014
ea04 1342 1342/1342 1342 ± 0.00002946 5.141 4.759/5.511 4.915 ± 0.7561
ea05 1342 1342/1342 1342 ± 0.00001084 5.652 5.259/6.364 5.753 ± 0.818
ea06 1342 1342/1342 1342 ± 0.00003144 4.815 4.627/5.152 4.726 ± 0.5782
ea07 1342 1342/1342 1342 ± 0.00004213 5.895 5.454/6.29 5.679 ± 0.7981
ea08 1342 1342/1342 1342 ± 0.00004184 6.086 5.641/6.797 6.022 ± 0.9433
ea09 1342 1342/1342 1342 ± 0.00002948 5.295 4.912/5.707 5.203 ± 0.5768
ea10 1342 1342/1342 1342 ± 0.00004247 5.314 4.866/5.83 5.186 ± 0.7147
ea11 1342 1342/1342 1342 ± 0.00004255 5.595 5.165/5.925 5.378 ± 0.7728
ea12 1342 1342/1342 1342 ± 0.00004013 5.58 5.285/6.386 5.537 ± 0.9353
ea13 1342 1342/1342 1342 ± 0.00002276 5.829 5.684/6.385 5.918 ± 0.7492
ea14 1342 1342/1342 1342 ± 0.00001782 5.48 5.198/6.226 5.524 ± 0.7122
ea15 1342 1342/1342 1342 ± 0.00002498 5.582 5.329/6.467 5.608 ± 1.044
ea16 1342 1342/1342 1342 ± 0.00002053 5.969 5.601/6.819 5.946 ± 0.9436
ea17 1342 1342/1342 1342 ± 0.00004504 5.933 5.354/6.747 5.834 ± 0.9761
ea18 1342 1342/1342 1342 ± 0.00004272 5.002 4.721/5.513 4.927 ± 0.7006
ea19 1342 1342/1342 1342 ± 0.000005553 5.989 5.694/6.744 6.067 ± 0.8715
ea20 1342 1342/1342 1342 ± 0.00003829 5.685 5.364/5.961 5.571 ± 0.7048
ea21 1342 1342/1342 1342 ± 0.00001606 5.169 5.041/5.588 5.154 ± 0.5908
ea22 1342 1342/1342 1342 ± 0.00003799 5.402 5.153/6.363 5.596 ± 0.8019
ea23 1342 1342/1342 1342 ± 0.00003704 5.655 5.344/6.237 5.561 ± 0.7675
ea24 1342 1342/1342 1342 ± 0.00001956 5.254 4.936/6.13 5.444 ± 0.6809
ea25 1342 1342/1342 1342 ± 0.00004276 5.422 5.155/5.932 5.327 ± 0.722
ea26 1342 1342/1342 1342 ± 0.00003195 5.755 5.59/6.801 5.968 ± 0.8512
ea27 1342 1342/1342 1342 ± 0.00004292 5.555 5.134/6.325 5.528 ± 0.8149
ea28 1342 1342/1342 1342 ± 0.00004256 5.562 5.269/6.311 5.574 ± 0.794
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 ± 0.00002311 5.329 5.181/5.667 5.377 ± 0.3147
5 1342 1342/1342 1342 ± 0.00002311 5.198 5.038/5.517 5.243 ± 0.364
6 1342 1342/1342 1342 ± 0.00002311 5.345 5.03/5.512 5.292 ± 0.325
7 1342 1342/1342 1342 ± 0.00002311 5.305 5.057/5.521 5.292 ± 0.2829
8 1342 1342/1342 1342 ± 0.00002311 5.285 5.015/5.453 5.236 ± 0.3147
9 1342 1342/1342 1342 ± 0.00002322 5.571 5.325/5.825 5.521 ± 0.3576
10 1342 1342/1342 1342 ± 0.00002311 5.923 5.751/6.098 5.885 ± 0.359
11 1342 1342/1342 1342 ± 0.00002311 6.203 5.941/6.372 6.149 ± 0.3684
12 1342 1342/1342 1342 ± 0.00002311 6.313 6.018/6.455 6.292 ± 0.4146
13 1342 1342/1342 1342 ± 0.00002311 6.46 6.012/6.892 6.429 ± 0.4959
14 1342 1342/1342 1342 ± 0.00002544 6.322 5.807/6.773 6.287 ± 0.6177
15 1342 1342/1342 1342 ± 0.00002461 6.315 5.896/6.627 6.228 ± 0.5308
16 1342 1342/1342 1342 ± 0.00005714 3.881 3.669/4.13 3.882 ± 0.3731
17 1342 1342/1342 1342 ± 0.00005913 4.045 3.798/4.337 4.061 ± 0.4031
vis
VLASS2.1.sb38453816.eb38509426.59047.17567765046_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-05-21 20:44:06.456
End
2024-05-21 21:41:18.726
Duration
0:57:12.271
Note, WebLog generation is not included in the time.

CASA logs for stage 8