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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.542 5.268/5.996 5.657 ± 0.5302
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.561 5.157/6.084 5.671 ± 0.547
ea05 1342 1342/1342 1342 ± 0 5.69 5.351/6.271 5.823 ± 0.5674
ea06 1342 1342/1342 1342 ± 0 5.009 4.746/5.368 5.081 ± 0.3652
ea07 1342 1342/1342 1342 ± 0 5.882 5.47/6.259 5.997 ± 0.5449
ea08 1342 1342/1342 1342 ± 0 5.876 5.529/6.577 6.026 ± 0.67
ea09 1342 1342/1342 1342 ± 0 5.672 5.238/6.381 5.765 ± 0.6092
ea10 1342 1342/1342 1342 ± 0 5.736 5.322/6.592 5.897 ± 0.6765
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.848 5.425/6.36 5.943 ± 0.5952
ea13 1342 1342/1342 1342 ± 0 6.128 5.773/6.358 6.122 ± 0.5045
ea14 1342 1342/1342 1342 ± 0 5.805 5.273/6.366 5.837 ± 0.6462
ea15 1342 1342/1342 1342 ± 0 5.812 5.198/6.23 5.769 ± 0.6472
ea16 1342 1342/1342 1342 ± 0 6.152 5.728/6.624 6.247 ± 0.7106
ea17 1342 1342/1342 1342 ± 0.000009195 5.964 5.575/6.454 6.058 ± 0.6503
ea18 1342 1342/1342 1342 ± 0 5.078 4.816/5.487 5.156 ± 0.4912
ea19 1342 1342/1342 1342 ± 0 6.007 5.593/6.616 6.141 ± 0.6297
ea20 1342 1342/1342 1342 ± 0 6.205 5.84/6.785 6.269 ± 0.667
ea21 1342 1342/1342 1342 ± 0 5.659 5.374/6.302 5.846 ± 0.5533
ea22 1342 1342/1342 1342 ± 0 5.773 5.167/6.342 5.728 ± 0.6302
ea23 1342 1342/1342 1342 ± 0 5.97 5.519/6.6 6.105 ± 0.6523
ea25 1342 1342/1342 1342 ± 0.000001162 5.593 5.264/6.07 5.678 ± 0.5779
ea26 1342 1342/1342 1342 ± 0 6.069 5.668/6.74 6.128 ± 0.6417
ea27 1342 1342/1342 1342 ± 0.00003905 5.559 5.285/6.324 5.73 ± 0.5983
ea28 1342 1342/1342 1342 ± 0.000001643 5.6 5.391/6.372 5.81 ± 0.6533
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 ± 0.00002447 5.463 5.268/5.631 5.439 ± 0.2593
3 1342 1342/1342 1342 ± 0.00002755 4.914 4.726/5.203 4.954 ± 0.2862
4 1342 1342/1342 1342 ± 0.00002447 5.277 5.077/5.417 5.235 ± 0.3047
5 1342 1342/1342 1342 ± 0.00002516 5.311 5.067/5.466 5.288 ± 0.3061
6 1342 1342/1342 1342 ± 0.00002447 5.365 5.211/5.538 5.346 ± 0.2821
7 1342 1342/1342 1342 ± 0.00002447 5.41 5.297/5.565 5.419 ± 0.2582
8 1342 1342/1342 1342 ± 0.00002447 5.423 5.186/5.577 5.366 ± 0.2862
9 1342 1342/1342 1342 ± 0.00002447 5.656 5.499/5.925 5.623 ± 0.3193
10 1342 1342/1342 1342 ± 0.00002447 6.039 5.949/6.254 6.037 ± 0.3129
11 1342 1342/1342 1342 ± 0.00002447 6.335 6.168/6.512 6.255 ± 0.3377
12 1342 1342/1342 1342 ± 0.00002447 6.414 6.251/6.649 6.396 ± 0.358
13 1342 1342/1342 1342 ± 0.00002447 6.833 6.74/7.003 6.816 ± 0.3783
14 1342 1342/1342 1342 ± 0.00002447 7.007 6.784/7.246 6.944 ± 0.4076
15 1342 1342/1342 1342 ± 0.00002447 6.588 6.45/6.82 6.529 ± 0.3997
16 1342 1342/1342 1342 ± 0.00003363 5.941 5.74/6.24 5.953 ± 0.3403
17 1342 1342/1342 1342 ± 0.00003269 5.866 5.698/6.114 5.899 ± 0.3251
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-05-01 07:27:44.182
End
2024-05-01 08:19:36.906
Duration
0:51:52.725
Note, WebLog generation is not included in the time.

CASA logs for stage 7