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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.728 5.227/6.534 5.692 ± 0.9798
ea03 1342 1342/1342 1342 ± 0.00003358 4.979 4.615/6.039 5.25 ± 0.7796
ea04 1342 1342/1342 1342 ± 0.00002162 5.227 4.952/6.067 5.384 ± 0.7773
ea05 1342 1342/1342 1342 ± 0 4.877 4.516/5.505 5.011 ± 0.5821
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00003394 5.706 5.24/6.099 5.532 ± 0.8735
ea08 1342 1342/1342 1342 ± 0.00004283 5.865 5.423/6.693 5.824 ± 1.027
ea09 1342 1342/1342 1342 ± 0.00004272 5.39 5.048/6.461 5.545 ± 0.8834
ea10 1342 1342/1342 1342 ± 0.00004261 5.75 5.131/6.368 5.576 ± 0.9592
ea11 1342 1342/1342 1342 ± 0.00004243 5.686 5.019/6.43 5.539 ± 0.9601
ea12 1342 1342/1342 1342 ± 0.00001655 5.419 5.117/6.424 5.588 ± 0.9326
ea13 1342 1342/1342 1342 ± 0.00002281 5.646 5.535/6.311 5.825 ± 0.8327
ea14 1342 1342/1342 1342 ± 0.00002035 5.401 5.024/6.32 5.519 ± 0.8368
ea15 1342 1342/1342 1342 ± 0 2.356 2.244/2.721 2.511 ± 0.3748
ea16 1342 1342/1342 1342 ± 0.0000128 5.707 5.358/6.727 5.772 ± 0.9555
ea17 1342 1342/1342 1342 ± 0.00004262 5.996 5.489/6.631 5.919 ± 1.038
ea18 1342 1342/1342 1342 ± 0.00004273 4.739 4.414/5.464 4.774 ± 0.6691
ea19 1342 1342/1342 1342 ± 0.0000113 5.365 5.114/6.303 5.575 ± 0.7555
ea20 1342 1342/1342 1342 ± 0.00003246 5.678 5.419/6.895 5.87 ± 1.023
ea21 1342 1342/1342 1342 ± 0 5.389 5.209/6.284 5.543 ± 0.7966
ea23 1342 1342/1342 1342 ± 0.00001047 5.586 5.331/6.433 5.684 ± 0.9438
ea24 1342 1342/1342 1342 ± 0.00004338 5.418 5.202/6.456 5.574 ± 0.8856
ea25 1342 1342/1342 1342 ± 0.00004251 5.394 5.138/6.052 5.391 ± 0.8747
ea26 1342 1342/1342 1342 ± 0.00004026 5.609 5.375/6.83 5.88 ± 0.9519
ea27 1342 1342/1342 1342 ± 0.00004272 5.289 5.022/6.264 5.426 ± 0.8738
ea28 1342 1342/1342 1342 ± 0.00004267 5.266 5.012/6.102 5.351 ± 0.867
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 ± 0.00002392 5.277 5.075/5.505 5.175 ± 0.6293
5 1342 1342/1342 1342 ± 0.00002525 5.195 4.949/5.408 5.089 ± 0.5783
6 1342 1342/1342 1342 ± 0.00002392 5.191 4.989/5.379 5.041 ± 0.6391
7 1342 1342/1342 1342 ± 0.00002392 5.202 5.115/5.425 5.1 ± 0.644
8 1342 1342/1342 1342 ± 0.00002392 5.221 5.041/5.354 5.076 ± 0.6587
9 1342 1342/1342 1342 ± 0.00002392 5.498 5.225/5.714 5.324 ± 0.7045
10 1342 1342/1342 1342 ± 0.00002392 6.004 5.699/6.109 5.765 ± 0.7672
11 1342 1342/1342 1342 ± 0.00002392 6.283 6.042/6.386 6.058 ± 0.7702
12 1342 1342/1342 1342 ± 0.00002392 6.451 6.208/6.61 6.279 ± 0.8034
13 1342 1342/1342 1342 ± 0.00002392 6.635 6.385/6.85 6.474 ± 0.7521
14 1342 1342/1342 1342 ± 0.00002422 6.477 6.083/6.773 6.344 ± 0.7728
15 1342 1342/1342 1342 ± 0.00002392 6.626 6.33/6.933 6.468 ± 0.8765
16 1342 1342/1342 1342 ± 0.00005985 3.87 3.68/4.055 3.817 ± 0.4101
17 1342 1342/1342 1342 ± 0.00006081 3.978 3.76/4.188 3.916 ± 0.4312
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-11 16:37:09.054
End
2025-01-11 17:39:40.490
Duration
1:02:31.436
Note, WebLog generation is not included in the time.

CASA logs for stage 8