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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.523 5.281/6.268 5.513 ± 0.9455
ea02 1342 1342/1342 1342 ± 0.00004034 5.516 5.317/6.472 5.582 ± 0.958
ea03 1342 1342/1342 1342 ± 0.0000043 5.385 5.32/6.292 5.61 ± 0.741
ea04 1342 1342/1342 1342 ± 0.00004442 5.152 4.761/6.062 5.249 ± 0.7497
ea05 1342 1342/1342 1342 ± 0.00004858 5.354 5.119/6.435 5.447 ± 0.9576
ea06 1342 1342/1342 1342 ± 0.00001827 5.047 4.841/5.992 5.206 ± 0.795
ea07 1342 1342/1342 1342 ± 0.00004148 5.238 5.021/6.313 5.399 ± 0.9533
ea08 1342 1342/1342 1342 ± 0.00002394 5.763 5.231/6.796 5.76 ± 1.069
ea09 1342 1342/1342 1342 ± 0.00004455 5.154 4.813/5.827 5.202 ± 0.8298
ea10 1342 1342/1342 1342 ± 0.00004442 5.058 4.698/5.968 5.053 ± 0.8607
ea11 1342 1342/1342 1342 ± 0.00005162 5.232 4.534/6.093 5.091 ± 0.9758
ea13 1342 1342/1342 1342 ± 0 5.311 5.014/6.053 5.404 ± 0.6075
ea14 1342 1342/1342 1342 ± 0.00004698 5.529 5.199/6.533 5.572 ± 0.9499
ea15 1342 1342/1342 1342 ± 0.00004982 5.552 5.247/6.652 5.59 ± 1.014
ea16 1342 1342/1342 1342 ± 0.00001888 5.709 5.211/6.579 5.711 ± 0.928
ea17 1342 1342/1342 1342 ± 0.00004179 5.751 5.302/6.665 5.737 ± 1.08
ea18 1342 1342/1342 1342 ± 0.00001401 5.783 5.45/6.839 5.831 ± 1.062
ea19 1342 1342/1342 1342 ± 0.00003674 5.421 5.025/6.411 5.454 ± 0.933
ea20 1342 1342/1342 1342 ± 0.00001755 5.342 5.266/6.128 5.509 ± 0.6843
ea21 1342 1342/1342 1342 ± 0.000005685 5.088 4.874/5.658 5.131 ± 0.6004
ea22 1342 1342/1342 1342 ± 0.00003451 5.628 5.175/6.549 5.617 ± 1.001
ea23 1342 1342/1342 1342 ± 0.00004515 5.677 5.174/6.434 5.574 ± 0.9721
ea24 1342 1342/1342 1342 ± 0 4.992 4.862/6.265 5.387 ± 0.726
ea25 1342 1342/1342 1342 ± 0.00001153 5.702 5.385/6.678 5.952 ± 0.8241
ea27 1342 1342/1342 1342 ± 0.00001173 5.242 4.736/6.266 5.361 ± 0.9019
ea28 1342 1342/1342 1342 ± 0 5.599 5.501/6.435 5.83 ± 0.7475
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 5.295 5.014/5.377 5.205 ± 0.274
5 1342 1342/1342 1342 ± 0.00002893 5.296 5.009/5.445 5.242 ± 0.3492
6 1342 1342/1342 1342 ± 0.00002351 5.257 5.046/5.49 5.246 ± 0.2754
7 1342 1342/1342 1342 ± 0.00002351 5.312 5.141/5.516 5.284 ± 0.2666
8 1342 1342/1342 1342 ± 0.00002351 5.334 5.13/5.529 5.303 ± 0.286
9 1342 1342/1342 1342 ± 0.00002351 5.464 5.231/5.776 5.502 ± 0.3094
10 1342 1342/1342 1342 ± 0.00002393 6.128 6.026/6.305 6.118 ± 0.2816
11 1342 1342/1342 1342 ± 0.00002349 6.435 6.149/6.58 6.391 ± 0.2682
12 1342 1342/1342 1342 ± 0.00002349 6.575 6.37/6.796 6.557 ± 0.3176
13 1342 1342/1342 1342 ± 0.00002349 6.626 6.326/6.866 6.624 ± 0.3823
14 1342 1342/1342 1342 ± 0.00005015 4.855 4.502/5.327 5.011 ± 0.6654
15 1342 1342/1342 1342 ± 0.00002349 6.599 6.099/6.918 6.501 ± 0.5089
16 1342 1342/1342 1342 ± 0.00006093 3.875 3.746/4.213 4.008 ± 0.4014
17 1342 1342/1342 1342 ± 0.00006095 3.791 3.593/4.178 3.89 ± 0.378
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-23 22:38:24.210
End
2025-07-23 23:11:42.640
Duration
0:33:18.430
Note, WebLog generation is not included in the time.

CASA logs for stage 8