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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.347 5.201/5.895 5.367 ± 0.7608
ea02 1342 1342/1342 1342 ± 0.00004331 5.788 5.263/6.366 5.613 ± 0.9412
ea03 1342 1342/1342 1342 ± 0.000001691 4.913 4.593/5.749 5.046 ± 0.736
ea04 1342 1342/1342 1342 ± 0.000003587 5.328 5.062/6.075 5.381 ± 0.8548
ea05 1342 1342/1342 1342 ± 0.00001173 5.426 5.1/6.224 5.519 ± 0.8083
ea06 1342 1342/1342 1342 ± 0 4.259 4.065/4.802 4.304 ± 0.5284
ea07 1342 1342/1342 1342 ± 0.00004397 5.579 5.266/6.099 5.491 ± 0.8481
ea08 1342 1342/1342 1342 ± 0.00004542 5.806 5.443/6.64 5.768 ± 1.007
ea09 1342 1342/1342 1342 ± 0.000004781 5.368 5.069/5.967 5.374 ± 0.8294
ea10 1342 1342/1342 1342 ± 0.00004531 5.521 5.216/6.505 5.58 ± 0.9587
ea11 1342 1342/1342 1342 ± 0 5.529 4.923/6.335 5.571 ± 0.958
ea12 1342 1342/1342 1342 ± 0.00002615 5.503 5.257/6.556 5.646 ± 1.013
ea13 1342 1342/1342 1342 ± 0.00002194 5.895 5.485/6.247 5.705 ± 0.8295
ea14 1342 1342/1342 1342 ± 0.00001224 5.455 4.996/6.118 5.446 ± 0.8735
ea15 1342 1342/1342 1342 ± 0 3.648 3.523/4.568 3.901 ± 0.729
ea16 1342 1342/1342 1342 ± 0.00002126 5.746 5.391/6.489 5.682 ± 0.9417
ea17 1342 1342/1342 1342 ± 0 5.984 5.505/7.239 6.098 ± 1.059
ea18 1342 1342/1342 1342 ± 0.00004256 4.691 4.394/5.363 4.744 ± 0.6266
ea19 1342 1342/1342 1342 ± 0 5.354 5.082/6.147 5.471 ± 0.767
ea20 1342 1342/1342 1342 ± 0 5.838 5.645/6.986 6.001 ± 1.036
ea21 1342 1342/1342 1342 ± 0.0000174 5.488 5.004/6.246 5.463 ± 0.8577
ea23 1342 1342/1342 1342 ± 0.0000365 5.384 5.255/5.502 5.129 ± 0.7324
ea24 1342 1342/1342 1342 ± 0.00004149 5.446 5.122/6.272 5.442 ± 0.8768
ea25 1342 1342/1342 1342 ± 0.00004576 5.465 5.129/6.022 5.37 ± 0.8284
ea26 1342 1342/1342 1342 ± 0.00002953 5.888 5.428/6.501 5.75 ± 0.9413
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004724 5.235 5.115/6.059 5.313 ± 0.8204
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 ± 0.00002352 5.265 4.966/5.436 5.129 ± 0.4543
5 1342 1342/1342 1342 ± 0.00002352 5.368 5.073/5.521 5.263 ± 0.5325
6 1342 1342/1342 1342 ± 0.00002352 5.256 4.947/5.394 5.092 ± 0.4895
7 1342 1342/1342 1342 ± 0.00002352 5.229 5.076/5.444 5.15 ± 0.4765
8 1342 1342/1342 1342 ± 0.00002352 5.257 5.101/5.395 5.161 ± 0.4876
9 1342 1342/1342 1342 ± 0.00002352 5.533 5.266/5.701 5.395 ± 0.5202
10 1342 1342/1342 1342 ± 0.00002352 5.897 5.638/6.129 5.76 ± 0.588
11 1342 1342/1342 1342 ± 0.00002352 6.129 5.962/6.302 6.035 ± 0.5312
12 1342 1342/1342 1342 ± 0.00002352 6.289 6.114/6.559 6.228 ± 0.5711
13 1342 1342/1342 1342 ± 0.00002366 6.459 6.187/6.65 6.386 ± 0.5555
14 1342 1342/1342 1342 ± 0.00003786 5.991 5.572/6.466 6.057 ± 0.6929
15 1342 1342/1342 1342 ± 0.00002361 6.511 6.148/6.905 6.371 ± 0.7109
16 1342 1342/1342 1342 ± 0.00006096 3.686 3.542/3.854 3.665 ± 0.3057
17 1342 1342/1342 1342 ± 0.0000595 3.808 3.7/3.934 3.775 ± 0.2824
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-11 13:16:05.721
End
2025-01-11 14:24:22.729
Duration
1:08:17.007
Note, WebLog generation is not included in the time.

CASA logs for stage 8