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 5.559 5.189/6.277 5.609 ± 0.7845
ea02 1342 1342/1342 1342 ± 0.00004272 5.85 5.269/6.746 5.876 ± 0.9587
ea04 1342 1342/1342 1342 ± 0.000009591 5.357 4.975/6.066 5.425 ± 0.7813
ea05 1342 1342/1342 1342 ± 0.00002292 5.423 4.961/6.217 5.587 ± 0.7663
ea06 1342 1342/1342 1342 ± 0.00001276 4.83 4.616/5.322 4.835 ± 0.5771
ea07 1342 1342/1342 1342 ± 0.00004265 5.992 5.378/6.473 5.868 ± 0.955
ea08 1342 1342/1342 1342 ± 0.00004201 6.052 5.544/6.925 6.122 ± 1.003
ea09 1342 1342/1342 1342 ± 0.00003087 5.516 5.076/6.607 5.701 ± 0.8532
ea10 1342 1342/1342 1342 ± 0.00003805 6.015 5.393/6.825 5.962 ± 0.9189
ea11 1342 1342/1342 1342 ± 0.00004268 5.832 5.102/6.668 5.756 ± 0.959
ea12 1342 1342/1342 1342 ± 0.00001484 5.705 5.241/6.68 5.779 ± 0.9953
ea13 1342 1342/1342 1342 ± 0.00002281 5.835 5.603/6.435 5.964 ± 0.7795
ea14 1342 1342/1342 1342 ± 0.0000298 5.587 5.107/6.491 5.738 ± 0.8046
ea15 1342 1342/1342 1342 ± 0.000009852 5.312 5.04/6.27 5.525 ± 0.8857
ea16 1342 1342/1342 1342 ± 0.00002892 5.868 5.503/6.965 6.055 ± 0.9624
ea17 1342 1342/1342 1342 ± 0.00004165 5.958 5.529/7.111 6.008 ± 0.9707
ea18 1342 1342/1342 1342 ± 0.00004134 5.095 4.621/5.773 5.04 ± 0.7145
ea19 1342 1342/1342 1342 ± 0.000009185 5.816 5.422/6.717 6.009 ± 0.8092
ea20 1342 1342/1342 1342 ± 0.0000314 5.958 5.577/6.987 6.069 ± 1.039
ea21 1342 1342/1342 1342 ± 0.00002726 5.512 5.291/6.417 5.67 ± 0.7894
ea22 1342 1342/1342 1342 ± 0.00004263 5.279 5.079/6.474 5.585 ± 0.8622
ea23 1342 1342/1342 1342 ± 0.00003908 5.798 5.448/6.815 5.915 ± 0.991
ea25 1342 1342/1342 1342 ± 0.000042 5.561 5.177/6.448 5.609 ± 0.8496
ea26 1342 1342/1342 1342 ± 0.00003786 5.853 5.469/7.015 6.06 ± 0.9503
ea27 1342 1342/1342 1342 ± 0.00004184 5.63 5.197/6.696 5.737 ± 0.9115
ea28 1342 1342/1342 1342 ± 0.00004235 5.882 5.374/6.713 5.881 ± 0.9583
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 ± 0.00002348 5.585 5.381/5.893 5.609 ± 0.2972
5 1342 1342/1342 1342 ± 0.00002348 5.251 5.043/5.525 5.241 ± 0.3627
6 1342 1342/1342 1342 ± 0.00002348 5.329 5.101/5.428 5.255 ± 0.2754
7 1342 1342/1342 1342 ± 0.00002348 5.325 5.229/5.483 5.318 ± 0.2705
8 1342 1342/1342 1342 ± 0.00002348 5.315 5.186/5.508 5.3 ± 0.3002
9 1342 1342/1342 1342 ± 0.00002348 5.646 5.352/5.869 5.59 ± 0.3481
10 1342 1342/1342 1342 ± 0.00002348 6.147 5.863/6.259 6.054 ± 0.3439
11 1342 1342/1342 1342 ± 0.00002348 6.417 6.258/6.562 6.364 ± 0.3532
12 1342 1342/1342 1342 ± 0.00002348 6.644 6.442/6.815 6.58 ± 0.3886
13 1342 1342/1342 1342 ± 0.00002348 6.97 6.779/7.223 6.95 ± 0.4046
14 1342 1342/1342 1342 ± 0.00002348 6.968 6.721/7.266 6.924 ± 0.4821
15 1342 1342/1342 1342 ± 0.00002417 6.834 6.49/7.071 6.719 ± 0.5074
16 1342 1342/1342 1342 ± 0.0000591 4.169 3.999/4.387 4.199 ± 0.2712
17 1342 1342/1342 1342 ± 0.00005898 4.223 4.065/4.435 4.258 ± 0.2916
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-08 06:28:49.826
End
2025-01-08 06:58:03.790
Duration
0:29:13.964
Note, WebLog generation is not included in the time.

CASA logs for stage 8