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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.27 5.185/6.095 5.507 ± 0.6693
ea02 1342 1342/1342 1342 ± 0.0000418 5.719 5.341/6.649 5.853 ± 0.8624
ea05 1342 1342/1342 1342 ± 0.000006847 5.457 5.086/6.42 5.732 ± 0.6956
ea06 1342 1342/1342 1342 ± 0 4.83 4.772/5.366 4.973 ± 0.4735
ea07 1342 1342/1342 1342 ± 0.00004178 5.77 5.344/5.968 5.672 ± 0.6638
ea08 1342 1342/1342 1342 ± 0.00004175 5.84 5.561/6.805 6.047 ± 0.8874
ea09 1342 1342/1342 1342 ± 0.00003734 4.176 3.353/5.935 4.526 ± 1.192
ea10 1342 1342/1342 1342 ± 0.00004195 5.302 5.075/6.365 5.617 ± 0.7348
ea11 1342 1342/1342 1342 ± 0 5.836 5.298/6.492 5.942 ± 0.6294
ea12 1342 1342/1342 1342 ± 0 5.538 5.344/6.536 5.808 ± 0.8051
ea13 1342 1342/1342 1342 ± 0.00003164 5.779 5.675/6.392 5.949 ± 0.7067
ea14 1342 1342/1342 1342 ± 0.000002225 6.574 6.08/7.114 6.305 ± 0.8161
ea15 1342 1342/1342 1342 ± 0 5.285 5.133/6.168 5.608 ± 0.7197
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004184 5.812 5.566/6.937 5.973 ± 0.8252
ea18 1342 1342/1342 1342 ± 0.00002029 4.933 4.737/5.79 5.106 ± 0.6382
ea19 1342 1342/1342 1342 ± 0 5.584 5.43/6.614 5.951 ± 0.6852
ea20 1342 1342/1342 1342 ± 0.00001147 5.944 5.731/6.978 6.101 ± 0.9051
ea21 1342 1342/1342 1342 ± 0.00000436 5.417 5.328/6.324 5.748 ± 0.6815
ea22 1342 1342/1342 1342 ± 0.00004198 5.325 5.135/6.431 5.621 ± 0.7847
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.327 5.267/5.361 5.312 ± 0.1473
ea26 1342 1342/1342 1342 ± 0.00002229 5.629 5.466/6.606 5.821 ± 0.7891
ea27 1342 1342/1342 1342 ± 0.00004184 5.452 5.112/6.512 5.673 ± 0.7806
ea28 1342 1342/1342 1342 ± 0.00005265 6.579 6.132/6.923 6.157 ± 0.9309
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 ± 0.00002617 5.435 5.222/5.676 5.364 ± 0.4925
3 1342 1342/1342 1342 ± 0.00002618 5.309 5.157/5.534 5.225 ± 0.4875
5 1342 1342/1342 1342 ± 0.00002617 5.298 5.184/5.496 5.217 ± 0.5418
6 1342 1342/1342 1342 ± 0.00002617 5.345 5.147/5.449 5.232 ± 0.5021
7 1342 1342/1342 1342 ± 0.00002617 5.3 5.135/5.461 5.225 ± 0.4826
8 1342 1342/1342 1342 ± 0.00002617 5.328 5.052/5.431 5.168 ± 0.5089
9 1342 1342/1342 1342 ± 0.00002617 5.566 5.419/5.774 5.445 ± 0.5722
10 1342 1342/1342 1342 ± 0.00002558 6.063 5.809/6.155 5.989 ± 0.3428
11 1342 1342/1342 1342 ± 0.00002558 6.381 6.168/6.442 6.247 ± 0.355
12 1342 1342/1342 1342 ± 0.00002558 6.5 6.158/6.609 6.405 ± 0.3674
13 1342 1342/1342 1342 ± 0.00002558 6.833 6.534/7.044 6.763 ± 0.3837
14 1342 1342/1342 1342 ± 0.00002558 6.902 6.693/7.104 6.799 ± 0.4247
15 1342 1342/1342 1342 ± 0.00002615 6.672 6.555/6.923 6.642 ± 0.46
16 1342 1342/1342 1342 ± 0.00006097 4.531 4.371/4.733 4.57 ± 0.3002
17 1342 1342/1342 1342 ± 0.00006103 4.451 4.332/4.681 4.521 ± 0.2738
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-07-03 06:01:50.418
End
2024-07-03 06:26:49.740
Duration
0:24:59.322
Note, WebLog generation is not included in the time.

CASA logs for stage 8