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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.273 5.093/5.941 5.356 ± 0.7642
ea02 1342 1342/1342 1342 ± 0.00004301 5.683 5.17/6.385 5.619 ± 0.8745
ea04 1342 1342/1342 1342 ± 0.000005042 5.279 4.896/5.869 5.21 ± 0.783
ea05 1342 1342/1342 1342 ± 0.000003885 5.53 5.05/6.286 5.598 ± 0.7618
ea06 1342 1342/1342 1342 ± 0.000004486 5.262 4.95/5.991 5.259 ± 0.8788
ea07 1342 1342/1342 1342 ± 0.00004359 5.675 5.217/6.016 5.455 ± 0.7956
ea08 1342 1342/1342 1342 ± 0.00004352 5.811 5.401/6.667 5.828 ± 0.951
ea09 1342 1342/1342 1342 ± 0.00001535 5.527 5.073/6.17 5.525 ± 0.7373
ea10 1342 1342/1342 1342 ± 0.000044 5.106 4.671/5.777 5.036 ± 0.779
ea11 1342 1342/1342 1342 ± 0.00004349 5.765 5.158/6.341 5.564 ± 0.9179
ea12 1342 1342/1342 1342 ± 0.000009137 5.5 5.135/6.299 5.481 ± 0.9959
ea13 1342 1342/1342 1342 ± 0.00001472 5.646 5.516/6.206 5.786 ± 0.7186
ea14 1342 1342/1342 1342 ± 0.000002873 5.524 5.118/6.323 5.567 ± 0.7859
ea15 1342 1342/1342 1342 ± 0.000001831 5.416 5.143/6.245 5.509 ± 0.8892
ea16 1342 1342/1342 1342 ± 0.00001509 5.784 5.397/6.626 5.733 ± 0.8977
ea17 1342 1342/1342 1342 ± 0.00004483 5.846 5.364/6.516 5.767 ± 0.9249
ea18 1342 1342/1342 1342 ± 0.00003766 4.859 4.589/5.581 4.884 ± 0.6939
ea19 1342 1342/1342 1342 ± 0 5.789 5.464/6.502 5.844 ± 0.7734
ea20 1342 1342/1342 1342 ± 0.00002192 5.785 5.583/6.84 5.86 ± 1.092
ea21 1342 1342/1342 1342 ± 0.00001101 5.482 5.276/6.163 5.49 ± 0.7699
ea22 1342 1342/1342 1342 ± 0.00003635 5.331 5.047/6.338 5.54 ± 0.8224
ea23 1342 1342/1342 1342 ± 0.0000468 6.169 5.879/6.39 5.705 ± 1.047
ea24 1342 1342/1342 1342 ± 0.00000529 5.183 4.873/6.001 5.38 ± 0.6485
ea25 1342 1342/1342 1342 ± 0.0000435 5.509 5.178/6.173 5.44 ± 0.8406
ea26 1342 1342/1342 1342 ± 0.00002699 5.721 5.507/6.764 5.963 ± 0.8418
ea27 1342 1342/1342 1342 ± 0.00004451 5.505 5.081/6.357 5.5 ± 0.8526
ea28 1342 1342/1342 1342 ± 0.0000436 5.609 5.362/6.543 5.702 ± 0.8952
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 ± 0.00002377 5.285 5.126/5.53 5.308 ± 0.2838
5 1342 1342/1342 1342 ± 0.00002402 5.226 5.029/5.43 5.218 ± 0.3079
6 1342 1342/1342 1342 ± 0.00002377 5.271 5.003/5.37 5.214 ± 0.2483
7 1342 1342/1342 1342 ± 0.00002377 5.235 5.066/5.433 5.242 ± 0.242
8 1342 1342/1342 1342 ± 0.00002377 5.241 5.038/5.387 5.204 ± 0.275
9 1342 1342/1342 1342 ± 0.00002407 5.514 5.323/5.692 5.478 ± 0.2711
10 1342 1342/1342 1342 ± 0.00002334 5.934 5.768/6.027 5.894 ± 0.2805
11 1342 1342/1342 1342 ± 0.00002334 6.207 6.056/6.358 6.186 ± 0.2753
12 1342 1342/1342 1342 ± 0.00002334 6.347 6.17/6.503 6.341 ± 0.3059
13 1342 1342/1342 1342 ± 0.00002334 6.587 6.349/6.78 6.549 ± 0.3229
14 1342 1342/1342 1342 ± 0.00002524 6.376 6.095/6.676 6.388 ± 0.4085
15 1342 1342/1342 1342 ± 0.00002447 6.45 6.195/6.667 6.412 ± 0.3483
16 1342 1342/1342 1342 ± 0.00006101 3.85 3.662/4.14 3.919 ± 0.3358
17 1342 1342/1342 1342 ± 0.0000606 4.032 3.803/4.3 4.049 ± 0.3389
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-07 20:05:15.482
End
2024-11-07 21:04:21.742
Duration
0:59:06.260
Note, WebLog generation is not included in the time.

CASA logs for stage 8