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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.595 5.935/7.269 6.507 ± 0.812
ea03 1342 1342/1342 1342 ± 0.00000123 6.255 5.461/6.899 6.109 ± 0.7743
ea04 1342 1342/1342 1342 ± 0.000004758 5.964 5.502/6.393 6.002 ± 0.6257
ea05 1342 1342/1342 1342 ± 0 6.134 5.729/7.109 6.414 ± 0.7486
ea06 1342 1342/1342 1342 ± 0 6.313 5.745/6.658 6.3 ± 0.5971
ea07 1342 1342/1342 1342 ± 0 6.242 5.561/6.35 6.164 ± 0.5991
ea08 1342 1342/1342 1342 ± 0 6.774 5.793/6.962 6.544 ± 0.7326
ea09 1342 1342/1342 1342 ± 0.00000174 6.23 5.678/7.032 6.39 ± 0.7838
ea10 1342 1342/1342 1342 ± 0 6.224 5.85/7.076 6.42 ± 0.668
ea11 1342 1342/1342 1342 ± 0.000005035 6.299 5.645/6.959 6.376 ± 0.7833
ea12 1342 1342/1342 1342 ± 0 6.434 5.883/6.918 6.505 ± 0.7114
ea13 1342 1342/1342 1342 ± 0 6.108 6.001/6.571 6.255 ± 0.5108
ea14 1342 1342/1342 1342 ± 0 6.306 5.919/6.999 6.5 ± 0.6816
ea15 1342 1342/1342 1342 ± 0 5.239 4.933/5.75 5.361 ± 0.5246
ea16 1342 1342/1342 1342 ± 0 6.464 5.971/7.06 6.542 ± 0.7541
ea17 1342 1342/1342 1342 ± 0 6.668 6.119/7.587 6.843 ± 0.761
ea18 1342 1342/1342 1342 ± 0 5.286 4.951/5.7 5.324 ± 0.4856
ea19 1342 1342/1342 1342 ± 0 6.502 6.24/7.486 6.805 ± 0.7347
ea20 1342 1342/1342 1342 ± 0 6.064 5.894/7.051 6.346 ± 0.6718
ea21 1342 1342/1342 1342 ± 0 5.98 5.732/6.776 6.197 ± 0.6155
ea22 1342 1342/1342 1342 ± 0 6.248 5.55/6.75 6.157 ± 0.6604
ea23 1342 1342/1342 1342 ± 0 6.158 5.985/7.037 6.525 ± 0.7407
ea24 1342 1342/1342 1342 ± 0 6.315 5.381/6.65 6.083 ± 0.6413
ea25 1342 1342/1342 1342 ± 0 6.663 5.901/6.91 6.578 ± 0.7741
ea26 1342 1342/1342 1342 ± 0.000001739 6.682 6.099/7.38 6.661 ± 0.8799
ea27 1342 1342/1342 1342 ± 0 6.3 5.798/7.131 6.426 ± 0.7491
ea28 1342 1342/1342 1342 ± 0 6.343 5.978/7.125 6.55 ± 0.7386
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 ± 0.00002306 5.864 5.632/6.028 5.819 ± 0.3425
3 1342 1342/1342 1342 ± 0.00002386 5.47 5.231/5.621 5.417 ± 0.3248
4 1342 1342/1342 1342 ± 0.00003718 5.491 5.236/5.885 5.442 ± 0.4727
5 1342 1342/1342 1342 ± 0.00002306 5.875 5.508/5.995 5.727 ± 0.3764
6 1342 1342/1342 1342 ± 0.00002306 5.8 5.518/5.969 5.734 ± 0.3089
7 1342 1342/1342 1342 ± 0.00002306 5.793 5.594/5.967 5.749 ± 0.322
8 1342 1342/1342 1342 ± 0.00002306 5.729 5.493/5.935 5.696 ± 0.3575
9 1342 1342/1342 1342 ± 0.00002306 6.098 5.808/6.307 6.006 ± 0.3659
10 1342 1342/1342 1342 ± 0.00002306 6.579 6.301/6.704 6.472 ± 0.3739
11 1342 1342/1342 1342 ± 0.00002306 6.8 6.576/7 6.714 ± 0.3902
12 1342 1342/1342 1342 ± 0.00002306 6.926 6.654/7.078 6.864 ± 0.4441
13 1342 1342/1342 1342 ± 0.00002306 7.441 7.113/7.808 7.398 ± 0.4777
14 1342 1342/1342 1342 ± 0.00002306 7.744 7.397/7.971 7.623 ± 0.4722
15 1342 1342/1342 1342 ± 0.00002306 7.214 6.884/7.549 7.147 ± 0.4938
16 1342 1342/1342 1342 ± 0.00002306 6.326 6.169/6.808 6.421 ± 0.489
17 1342 1342/1342 1342 ± 0.00002306 6.391 6.122/6.58 6.359 ± 0.478
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
Start time
2025-06-07 10:24:10.227
End
2025-06-07 11:22:26.021
Duration
0:58:15.794
Note, WebLog generation is not included in the time.

CASA logs for stage 8