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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.845 5.117/6.231 5.602 ± 0.7594
ea02 1342 1342/1342 1342 ± 0.00004506 5.771 5.297/6.702 5.878 ± 0.9566
ea04 1342 1342/1342 1342 ± 0.00003672 5.384 5.018/6.024 5.487 ± 0.7526
ea05 1342 1342/1342 1342 ± 0.00001245 5.385 4.974/6.389 5.627 ± 0.8313
ea06 1342 1342/1342 1342 ± 0.00003689 5.381 4.764/5.882 5.274 ± 0.7045
ea07 1342 1342/1342 1342 ± 0.00003546 5.635 5.251/6.192 5.674 ± 0.7938
ea09 1342 1342/1342 1342 ± 0.00003108 5.47 4.992/6.182 5.439 ± 0.786
ea10 1342 1342/1342 1342 ± 0.00003719 5.172 4.757/5.812 5.223 ± 0.6977
ea11 1342 1342/1342 1342 ± 0.00003922 5.789 5.334/6.561 5.807 ± 0.8833
ea12 1342 1342/1342 1342 ± 0.00003871 5.651 5.329/6.61 5.855 ± 0.9023
ea13 1342 1342/1342 1342 ± 0.0000286 5.537 5.447/6.206 5.755 ± 0.825
ea14 1342 1342/1342 1342 ± 0.000036 5.853 5.276/6.563 5.806 ± 0.9146
ea15 1342 1342/1342 1342 ± 0.00003664 5.801 5.311/6.512 5.824 ± 0.9244
ea16 1342 1342/1342 1342 ± 0.00003018 6.008 5.305/6.759 5.895 ± 1.066
ea17 1342 1342/1342 1342 ± 0.00004085 6.072 5.235/6.723 5.93 ± 0.9606
ea18 1342 1342/1342 1342 ± 0.00003874 4.879 4.763/5.646 5.068 ± 0.6639
ea19 1342 1342/1342 1342 ± 0.00001746 5.636 5.393/6.617 5.832 ± 0.9284
ea20 1342 1342/1342 1342 ± 0.00003919 5.943 5.831/6.973 6.18 ± 0.9606
ea21 1342 1342/1342 1342 ± 0.00002574 5.495 5.25/6.316 5.623 ± 0.861
ea22 1342 1342/1342 1342 ± 0.0000402 5.742 5.018/6.451 5.663 ± 0.9686
ea23 1342 1342/1342 1342 ± 0.00003418 5.734 5.431/6.491 5.876 ± 0.8664
ea24 1342 1342/1342 1342 ± 0.00002008 5.626 4.721/6.108 5.38 ± 0.8108
ea25 1342 1342/1342 1342 ± 0.00003883 5.523 5.198/6.328 5.643 ± 0.8232
ea26 1342 1342/1342 1342 ± 0.00001472 5.992 5.545/6.776 6.056 ± 0.8626
ea27 1342 1342/1342 1342 ± 0.00003944 5.482 5.135/6.538 5.689 ± 0.8318
ea28 1342 1342/1342 1342 ± 0.00004021 5.809 5.412/6.715 5.914 ± 0.915
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 ± 0.00002349 5.256 5.046/5.482 5.258 ± 0.3039
5 1342 1342/1342 1342 ± 0.00002348 5.432 5.263/5.652 5.434 ± 0.3852
6 1342 1342/1342 1342 ± 0.00002349 5.219 4.95/5.33 5.162 ± 0.2492
7 1342 1342/1342 1342 ± 0.00002374 5.299 5.131/5.421 5.277 ± 0.2553
8 1342 1342/1342 1342 ± 0.00002374 5.304 5.022/5.394 5.24 ± 0.2976
9 1342 1342/1342 1342 ± 0.00002635 5.535 5.372/5.727 5.512 ± 0.2882
10 1342 1342/1342 1342 ± 0.00002349 6.089 5.813/6.143 6.007 ± 0.2783
11 1342 1342/1342 1342 ± 0.00002349 6.317 6.016/6.514 6.289 ± 0.297
12 1342 1342/1342 1342 ± 0.00002349 6.447 6.197/6.701 6.454 ± 0.341
13 1342 1342/1342 1342 ± 0.00002381 6.625 6.376/6.879 6.559 ± 0.4216
14 1342 1342/1342 1342 ± 0.00002349 7.011 6.736/7.223 6.929 ± 0.4098
15 1342 1342/1342 1342 ± 0.00002645 6.521 6.233/6.744 6.457 ± 0.3937
16 1342 1342/1342 1342 ± 0.00005487 3.956 3.863/4.045 3.956 ± 0.1578
17 1342 1342/1342 1342 ± 0.00005261 4.091 3.925/4.261 4.098 ± 0.3699
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-07 01:07:06.854
End
2024-12-07 01:35:47.749
Duration
0:28:40.895
Note, WebLog generation is not included in the time.

CASA logs for stage 8