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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.591 5.425/6.425 5.785 ± 0.7391
ea02 1342 1342/1342 1342 ± 0.00004492 6.057 5.539/6.852 6.096 ± 0.8952
ea04 1342 1342/1342 1342 ± 0.0000147 5.55 5.253/6.189 5.699 ± 0.7134
ea05 1342 1342/1342 1342 ± 0.0000115 5.598 5.193/6.64 5.86 ± 0.7811
ea06 1342 1342/1342 1342 ± 0.00003126 5.594 4.771/5.871 5.299 ± 0.7063
ea07 1342 1342/1342 1342 ± 0.00003939 5.842 5.492/6.401 5.945 ± 0.8201
ea09 1342 1342/1342 1342 ± 0.00002566 5.475 4.985/5.935 5.452 ± 0.6076
ea10 1342 1342/1342 1342 ± 0.00004062 5.286 4.895/6.078 5.41 ± 0.6973
ea11 1342 1342/1342 1342 ± 0.00004184 6.038 5.594/6.76 6.095 ± 0.8948
ea12 1342 1342/1342 1342 ± 0.00003532 5.755 5.485/6.722 5.989 ± 0.9358
ea13 1342 1342/1342 1342 ± 0.00001704 5.806 5.644/6.402 6.042 ± 0.7181
ea14 1342 1342/1342 1342 ± 0.0000358 5.628 5.457/6.735 5.98 ± 0.9209
ea15 1342 1342/1342 1342 ± 0.00002223 5.798 5.53/6.619 5.948 ± 0.8931
ea16 1342 1342/1342 1342 ± 0.00002676 5.983 5.397/6.876 6.067 ± 0.9986
ea17 1342 1342/1342 1342 ± 0.00004448 5.959 5.48/7.098 6.149 ± 0.9854
ea18 1342 1342/1342 1342 ± 0.00004026 5.093 5.036/5.969 5.383 ± 0.6288
ea19 1342 1342/1342 1342 ± 0.00001308 5.789 5.61/6.84 6.115 ± 0.8528
ea20 1342 1342/1342 1342 ± 0.00004054 6.129 5.994/7.178 6.404 ± 0.9997
ea21 1342 1342/1342 1342 ± 0.00002947 5.643 5.306/6.456 5.803 ± 0.813
ea22 1342 1342/1342 1342 ± 0.00004067 6.236 4.948/6.564 5.932 ± 0.8765
ea23 1342 1342/1342 1342 ± 0.00004317 5.901 5.523/6.841 6.06 ± 0.9719
ea24 1342 1342/1342 1342 ± 0.00001807 5.225 4.888/6.28 5.535 ± 0.708
ea25 1342 1342/1342 1342 ± 0.00004361 5.788 5.403/6.518 5.858 ± 0.8394
ea26 1342 1342/1342 1342 ± 0.000026 5.934 5.64/6.996 6.197 ± 0.8916
ea27 1342 1342/1342 1342 ± 0.00004363 5.852 5.474/6.794 5.976 ± 0.8671
ea28 1342 1342/1342 1342 ± 0.00004351 5.766 5.599/6.821 6.077 ± 0.9135
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 ± 0.00002363 5.483 5.313/5.652 5.419 ± 0.324
3 1342 1342/1342 1342 ± 0.0000354 5.445 4.974/5.64 5.359 ± 0.3538
6 1342 1342/1342 1342 ± 0.00002391 5.494 5.194/5.589 5.41 ± 0.2899
7 1342 1342/1342 1342 ± 0.00002419 5.541 5.339/5.617 5.476 ± 0.2829
8 1342 1342/1342 1342 ± 0.00002419 5.448 5.233/5.595 5.432 ± 0.3101
9 1342 1342/1342 1342 ± 0.00002699 5.784 5.445/5.896 5.673 ± 0.3023
10 1342 1342/1342 1342 ± 0.00002363 6.285 5.995/6.348 6.196 ± 0.3052
11 1342 1342/1342 1342 ± 0.00002363 6.462 6.184/6.681 6.448 ± 0.3301
12 1342 1342/1342 1342 ± 0.00002363 6.637 6.38/6.852 6.606 ± 0.3749
13 1342 1342/1342 1342 ± 0.00002363 7.025 6.817/7.347 6.99 ± 0.4317
14 1342 1342/1342 1342 ± 0.00002363 7.251 6.94/7.443 7.12 ± 0.4496
15 1342 1342/1342 1342 ± 0.00002365 6.645 6.33/6.873 6.568 ± 0.4207
16 1342 1342/1342 1342 ± 0.00005765 4.553 4.416/4.688 4.548 ± 0.1934
17 1342 1342/1342 1342 ± 0.00006064 4.503 4.358/4.765 4.543 ± 0.2506
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
overwrite_modelcol
False
Start time
2024-04-20 15:27:28.400
End
2024-04-20 16:17:45.842
Duration
0:50:17.442
Note, WebLog generation is not included in the time.

CASA logs for stage 7