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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.749 5.446/6.22 5.864 ± 0.6308
ea02 1342 1342/1342 1342 ± 0.000005455 5.943 5.559/6.643 6.162 ± 0.7318
ea04 1342 1342/1342 1342 ± 0 5.667 5.155/6.298 5.786 ± 0.6188
ea05 1342 1342/1342 1342 ± 0 6.003 5.408/6.519 5.934 ± 0.6337
ea06 1342 1342/1342 1342 ± 0 4.944 4.773/5.309 5.029 ± 0.3556
ea07 1342 1342/1342 1342 ± 0 6.288 5.647/6.448 6.229 ± 0.6202
ea08 1342 1342/1342 1342 ± 0.00001278 5.972 5.675/6.767 6.232 ± 0.735
ea09 1342 1342/1342 1342 ± 0 5.826 5.344/6.442 5.949 ± 0.6782
ea10 1342 1342/1342 1342 ± 0 6.139 5.443/6.676 6.11 ± 0.7121
ea11 1342 1342/1342 1342 ± 0 6.164 5.329/6.572 6.053 ± 0.7298
ea12 1342 1342/1342 1342 ± 0 5.827 5.48/6.625 6.144 ± 0.7131
ea13 1342 1342/1342 1342 ± 0 6.522 5.98/6.623 6.409 ± 0.5462
ea14 1342 1342/1342 1342 ± 0 6.097 5.405/6.636 6.079 ± 0.7193
ea15 1342 1342/1342 1342 ± 0 5.879 5.239/6.451 5.946 ± 0.7298
ea16 1342 1342/1342 1342 ± 0 6.371 5.824/7.054 6.512 ± 0.7841
ea17 1342 1342/1342 1342 ± 0 6.107 5.755/6.723 6.292 ± 0.7082
ea18 1342 1342/1342 1342 ± 0 5.216 4.811/5.684 5.303 ± 0.5447
ea19 1342 1342/1342 1342 ± 0 6.405 5.734/6.995 6.462 ± 0.7317
ea20 1342 1342/1342 1342 ± 0 6.479 5.879/7.061 6.481 ± 0.6643
ea21 1342 1342/1342 1342 ± 0 6.071 5.531/6.482 6.067 ± 0.5975
ea22 1342 1342/1342 1342 ± 0 5.533 5.298/6.245 5.819 ± 0.6839
ea23 1342 1342/1342 1342 ± 0 6.31 5.631/6.742 6.314 ± 0.7251
ea25 1342 1342/1342 1342 ± 0 5.641 5.288/6.296 5.82 ± 0.6008
ea26 1342 1342/1342 1342 ± 0 6.385 5.812/7.119 6.436 ± 0.6981
ea27 1342 1342/1342 1342 ± 0.00002463 5.891 5.441/6.554 5.936 ± 0.6636
ea28 1342 1342/1342 1342 ± 0.00003444 5.772 5.52/6.573 6.045 ± 0.715
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 5.494 5.309/5.788 5.517 ± 0.287
3 1342 1342/1342 1342 ± 0.00003836 5.047 4.912/5.212 5.05 ± 0.2134
4 1342 1342/1342 1342 ± 0.00002435 5.463 5.158/5.642 5.38 ± 0.3507
5 1342 1342/1342 1342 ± 0.00002348 5.503 5.254/5.693 5.478 ± 0.35
6 1342 1342/1342 1342 ± 0.00002348 5.454 5.242/5.596 5.426 ± 0.3129
7 1342 1342/1342 1342 ± 0.00002348 5.482 5.305/5.651 5.472 ± 0.2858
8 1342 1342/1342 1342 ± 0.00002348 5.507 5.199/5.638 5.429 ± 0.3148
9 1342 1342/1342 1342 ± 0.00002348 5.751 5.513/6.012 5.712 ± 0.3504
10 1342 1342/1342 1342 ± 0.00002348 6.192 6.003/6.405 6.147 ± 0.3432
11 1342 1342/1342 1342 ± 0.00002348 6.454 6.288/6.577 6.378 ± 0.3515
12 1342 1342/1342 1342 ± 0.00002392 6.559 6.302/6.779 6.493 ± 0.4979
13 1342 1342/1342 1342 ± 0.00002348 7.097 6.946/7.242 7.064 ± 0.4309
14 1342 1342/1342 1342 ± 0.00002348 7.382 7.092/7.634 7.299 ± 0.4698
15 1342 1342/1342 1342 ± 0.00002351 7.005 6.777/7.245 6.917 ± 0.483
16 1342 1342/1342 1342 ± 0.0000318 6.227 5.896/6.565 6.208 ± 0.453
17 1342 1342/1342 1342 ± 0.00003493 6.258 5.869/6.526 6.193 ± 0.4356
overwrite_modelcol
False
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-08 14:26:41.332
End
2025-01-08 15:39:14.822
Duration
1:12:33.490
Note, WebLog generation is not included in the time.

CASA logs for stage 8