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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 6.127 5.771/6.749 6.317 ± 0.6175
ea02 1342 1342/1342 1342 ± 0.00004118 6.412 6.056/7.103 6.571 ± 0.6982
ea04 1342 1342/1342 1342 ± 0.00001629 5.729 5.218/6.201 5.788 ± 0.6011
ea05 1342 1342/1342 1342 ± 0.000008031 5.79 5.31/6.515 5.908 ± 0.6727
ea06 1342 1342/1342 1342 ± 0.00002352 5.333 4.822/5.551 5.267 ± 0.441
ea07 1342 1342/1342 1342 ± 0.00004401 5.987 5.699/6.647 6.324 ± 0.7058
ea08 1342 1342/1342 1342 ± 0.00003577 6.252 5.963/7.477 6.776 ± 0.8646
ea09 1342 1342/1342 1342 ± 0.00001077 6.073 5.619/6.786 6.221 ± 0.6657
ea10 1342 1342/1342 1342 ± 0.0000462 6.087 5.758/7.263 6.497 ± 0.7758
ea11 1342 1342/1342 1342 ± 0.00004427 5.936 5.599/7.012 6.406 ± 0.8172
ea12 1342 1342/1342 1342 ± 0.00002277 5.819 5.426/6.628 6.087 ± 0.702
ea13 1342 1342/1342 1342 ± 0.000005179 6.515 6.048/7.066 6.478 ± 0.6032
ea14 1342 1342/1342 1342 ± 0.00003971 5.91 5.526/6.665 6.135 ± 0.6974
ea15 1342 1342/1342 1342 ± 0.00001371 6.058 5.274/6.534 6.094 ± 0.7639
ea16 1342 1342/1342 1342 ± 0.000009975 6.248 5.669/6.968 6.356 ± 0.8496
ea17 1342 1342/1342 1342 ± 0.00004516 6.267 6.074/7.377 6.717 ± 0.793
ea18 1342 1342/1342 1342 ± 0.00004069 5.467 5.137/5.989 5.607 ± 0.5028
ea19 1342 1342/1342 1342 ± 0.0000208 6.086 5.676/6.813 6.271 ± 0.6856
ea20 1342 1342/1342 1342 ± 0.00002857 6.182 5.856/7.087 6.446 ± 0.7151
ea21 1342 1342/1342 1342 ± 0.00002476 5.697 5.445/6.473 6.008 ± 0.641
ea22 1342 1342/1342 1342 ± 0.00001731 6.213 5.328/6.554 6.104 ± 0.7158
ea23 1342 1342/1342 1342 ± 0.00004307 5.912 5.718/6.899 6.364 ± 0.7725
ea25 1342 1342/1342 1342 ± 0.00004404 5.952 5.819/6.839 6.361 ± 0.7172
ea26 1342 1342/1342 1342 ± 0.000009341 6.509 5.84/7.188 6.57 ± 0.7129
ea27 1342 1342/1342 1342 ± 0.00004399 5.933 5.861/7.019 6.379 ± 0.7032
ea28 1342 1342/1342 1342 ± 0.0000438 6.199 5.949/7.215 6.613 ± 0.7528
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 ± 0.00002351 5.683 5.369/5.85 5.619 ± 0.3248
5 1342 1342/1342 1342 ± 0.00003939 5.912 5.84/6.225 5.936 ± 0.3279
6 1342 1342/1342 1342 ± 0.00002463 5.572 5.4/5.86 5.597 ± 0.2996
7 1342 1342/1342 1342 ± 0.00002414 5.649 5.429/5.832 5.615 ± 0.2991
8 1342 1342/1342 1342 ± 0.00002414 5.575 5.319/5.815 5.565 ± 0.319
9 1342 1342/1342 1342 ± 0.00002965 5.694 5.35/5.938 5.671 ± 0.3468
10 1342 1342/1342 1342 ± 0.00002351 6.465 6.125/6.699 6.385 ± 0.4073
11 1342 1342/1342 1342 ± 0.00002351 6.612 6.515/6.909 6.624 ± 0.4278
12 1342 1342/1342 1342 ± 0.00002396 6.811 6.519/7.107 6.791 ± 0.4474
13 1342 1342/1342 1342 ± 0.00002351 7.358 7.076/7.582 7.292 ± 0.446
14 1342 1342/1342 1342 ± 0.00002351 7.543 7.328/7.814 7.486 ± 0.487
15 1342 1342/1342 1342 ± 0.00002368 6.971 6.786/7.259 6.922 ± 0.4768
16 1342 1342/1342 1342 ± 0.00006081 5.715 5.498/5.919 5.69 ± 0.2991
17 1342 1342/1342 1342 ± 0.0000609 5.93 5.77/6.176 5.943 ± 0.3431
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-07 08:01:42.268
End
2025-01-07 09:10:52.472
Duration
1:09:10.204
Note, WebLog generation is not included in the time.

CASA logs for stage 8