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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.374 5.086/6.188 5.586 ± 0.7596
ea02 1342 1342/1342 1342 ± 0.00005079 5.85 5.232/6.713 5.934 ± 0.8521
ea04 1342 1342/1342 1342 ± 0.000005188 5.577 4.96/6.116 5.519 ± 0.7665
ea05 1342 1342/1342 1342 ± 0.000004303 6.004 5.112/6.302 5.815 ± 0.787
ea06 1342 1342/1342 1342 ± 0.00001597 5.105 4.511/5.311 4.897 ± 0.5465
ea07 1342 1342/1342 1342 ± 0.00004137 5.894 5.313/6.392 5.849 ± 0.9256
ea08 1342 1342/1342 1342 ± 0.00004396 5.847 5.387/6.843 6.089 ± 0.9965
ea09 1342 1342/1342 1342 ± 0.00002345 5.779 5.061/6.493 5.797 ± 0.7848
ea10 1342 1342/1342 1342 ± 0.00003964 5.825 5.202/6.763 5.889 ± 0.9048
ea11 1342 1342/1342 1342 ± 0.00004351 5.713 5.102/6.608 5.851 ± 0.9217
ea12 1342 1342/1342 1342 ± 0.0000267 5.97 5.24/6.607 5.848 ± 0.891
ea13 1342 1342/1342 1342 ± 0.00001219 6.021 5.582/6.412 5.999 ± 0.6747
ea14 1342 1342/1342 1342 ± 0.00003757 5.647 5.236/6.549 5.833 ± 0.8929
ea15 1342 1342/1342 1342 ± 0.000005619 5.368 4.99/6.283 5.582 ± 0.8684
ea16 1342 1342/1342 1342 ± 0.00001996 6.017 5.54/6.954 6.121 ± 0.9677
ea17 1342 1342/1342 1342 ± 0.00004392 5.754 5.496/7.053 6.009 ± 0.9553
ea18 1342 1342/1342 1342 ± 0.0000438 5.122 4.657/5.752 5.131 ± 0.666
ea19 1342 1342/1342 1342 ± 0.00002062 6.262 5.573/6.833 6.158 ± 0.844
ea20 1342 1342/1342 1342 ± 0.00004149 6.206 5.651/6.943 6.161 ± 0.9953
ea21 1342 1342/1342 1342 ± 0.00002935 5.672 5.343/6.475 5.78 ± 0.8257
ea22 1342 1342/1342 1342 ± 0.00003292 5.218 4.933/6.391 5.612 ± 0.7525
ea23 1342 1342/1342 1342 ± 0.00004319 5.821 5.409/6.739 5.95 ± 1.01
ea25 1342 1342/1342 1342 ± 0.00004339 5.529 5.15/6.338 5.669 ± 0.8254
ea26 1342 1342/1342 1342 ± 0.00002197 5.939 5.598/6.697 6.155 ± 0.8194
ea27 1342 1342/1342 1342 ± 0.00004363 5.576 5.297/6.611 5.757 ± 0.8856
ea28 1342 1342/1342 1342 ± 0.00004396 5.792 5.354/6.654 5.919 ± 0.9338
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 ± 0.0000236 5.629 5.425/5.918 5.657 ± 0.3268
5 1342 1342/1342 1342 ± 0.00003434 5.475 5.328/5.656 5.474 ± 0.2835
6 1342 1342/1342 1342 ± 0.0000236 5.23 5.051/5.352 5.19 ± 0.2826
7 1342 1342/1342 1342 ± 0.0000236 5.253 5.105/5.411 5.25 ± 0.2796
8 1342 1342/1342 1342 ± 0.0000236 5.313 5.089/5.44 5.253 ± 0.2994
9 1342 1342/1342 1342 ± 0.0000236 5.603 5.381/5.831 5.55 ± 0.3336
10 1342 1342/1342 1342 ± 0.0000236 6.1 5.936/6.289 6.061 ± 0.3343
11 1342 1342/1342 1342 ± 0.0000236 6.452 6.252/6.533 6.353 ± 0.3519
12 1342 1342/1342 1342 ± 0.0000236 6.614 6.396/6.754 6.552 ± 0.3861
13 1342 1342/1342 1342 ± 0.0000236 7.087 6.761/7.266 6.994 ± 0.4228
14 1342 1342/1342 1342 ± 0.0000236 7.265 7.017/7.473 7.181 ± 0.4603
15 1342 1342/1342 1342 ± 0.00002387 6.626 6.316/6.941 6.564 ± 0.4833
16 1342 1342/1342 1342 ± 0.00005839 4.448 4.276/4.703 4.488 ± 0.2847
17 1342 1342/1342 1342 ± 0.0000604 4.495 4.326/4.703 4.517 ± 0.2769
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-08 03:07:41.174
End
2025-01-08 03:33:23.113
Duration
0:25:41.939
Note, WebLog generation is not included in the time.

CASA logs for stage 8