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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.681 5.353/6.125 5.744 ± 0.5356
ea02 1342 1342/1342 1342 ± 0.000002175 5.862 5.507/6.537 6.032 ± 0.6371
ea04 1342 1342/1342 1342 ± 0.0000197 5.509 5.188/6.112 5.652 ± 0.5193
ea05 1342 1342/1342 1342 ± 0 5.894 5.487/6.448 5.922 ± 0.5637
ea06 1342 1342/1342 1342 ± 0 5.728 5.168/6.034 5.654 ± 0.5027
ea07 1342 1342/1342 1342 ± 0 5.228 5.063/5.654 5.32 ± 0.2739
ea08 1342 1342/1342 1342 ± 0.00002055 5.976 5.65/6.672 6.168 ± 0.6538
ea09 1342 1342/1342 1342 ± 0 5.473 5.029/5.958 5.495 ± 0.4876
ea10 1342 1342/1342 1342 ± 0.00003477 5.37 5.103/6.104 5.551 ± 0.5664
ea11 1342 1342/1342 1342 ± 0.000001256 5.819 5.435/6.451 5.977 ± 0.6029
ea13 1342 1342/1342 1342 ± 0 6.063 5.772/6.189 6.077 ± 0.4468
ea14 1342 1342/1342 1342 ± 0.00001675 5.902 5.508/6.472 5.975 ± 0.6327
ea15 1342 1342/1342 1342 ± 0 5.936 5.468/6.426 6.019 ± 0.6708
ea16 1342 1342/1342 1342 ± 0 6.139 5.644/6.626 6.142 ± 0.6723
ea17 1342 1342/1342 1342 ± 0.0000128 5.676 5.492/5.848 5.661 ± 0.2215
ea18 1342 1342/1342 1342 ± 0.000005846 5.185 4.89/5.665 5.262 ± 0.4866
ea19 1342 1342/1342 1342 ± 0 5.773 5.7/5.901 5.78 ± 0.1485
ea20 1342 1342/1342 1342 ± 0.000003504 6.227 5.778/6.85 6.232 ± 0.6227
ea21 1342 1342/1342 1342 ± 0 5.679 5.484/6.281 5.883 ± 0.5094
ea22 1342 1342/1342 1342 ± 0 5.742 5.276/6.421 5.834 ± 0.6435
ea23 1342 1342/1342 1342 ± 0.000003504 5.68 5.601/6.552 6.044 ± 0.6437
ea24 1342 1342/1342 1342 ± 0 5.794 5.081/6.174 5.61 ± 0.5819
ea25 1342 1342/1342 1342 ± 0.000009938 5.545 5.399/6.214 5.775 ± 0.5634
ea26 1342 1342/1342 1342 ± 0 6.234 5.8/6.883 6.291 ± 0.6514
ea27 1342 1342/1342 1342 ± 0.00001515 5.487 5.246/5.645 5.425 ± 0.2416
ea28 1342 1342/1342 1342 ± 0.00003633 5.683 5.538/6.47 5.954 ± 0.6379
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 ± 0.00002369 5.556 5.355/5.714 5.514 ± 0.2703
3 1342 1342/1342 1342 ± 0.00002723 5.071 4.904/5.296 5.127 ± 0.3489
4 1342 1342/1342 1342 ± 0.00004007 5.217 5.017/5.347 5.168 ± 0.2774
5 1342 1342/1342 1342 ± 0.00002369 5.477 5.292/5.682 5.481 ± 0.2992
6 1342 1342/1342 1342 ± 0.00002369 5.47 5.206/5.62 5.422 ± 0.2592
7 1342 1342/1342 1342 ± 0.00002369 5.465 5.211/5.624 5.439 ± 0.2574
8 1342 1342/1342 1342 ± 0.00002369 5.443 5.069/5.575 5.371 ± 0.292
9 1342 1342/1342 1342 ± 0.00002377 5.7 5.419/5.916 5.645 ± 0.3036
10 1342 1342/1342 1342 ± 0.0000257 6.071 5.882/6.166 5.994 ± 0.3102
11 1342 1342/1342 1342 ± 0.0000257 6.233 6.044/6.419 6.216 ± 0.2944
12 1342 1342/1342 1342 ± 0.0000257 6.421 6.137/6.544 6.342 ± 0.2963
13 1342 1342/1342 1342 ± 0.0000257 6.842 6.375/6.985 6.747 ± 0.3487
14 1342 1342/1342 1342 ± 0.0000257 7.078 6.65/7.269 6.989 ± 0.3732
15 1342 1342/1342 1342 ± 0.0000257 6.719 6.33/6.917 6.644 ± 0.3664
16 1342 1342/1342 1342 ± 0.00003996 5.746 5.647/6.046 5.819 ± 0.3024
17 1342 1342/1342 1342 ± 0.00003648 5.885 5.619/6.14 5.871 ± 0.2957
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-04-13 02:01:15.311
End
2024-04-13 02:49:20.689
Duration
0:48:05.378
Note, WebLog generation is not included in the time.

CASA logs for stage 7