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 5.488 5.148/5.926 5.583 ± 0.5059
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.493 5.16/6.023 5.627 ± 0.5267
ea05 1342 1342/1342 1342 ± 0 5.626 5.26/6.19 5.738 ± 0.5629
ea06 1342 1342/1342 1342 ± 0 4.961 4.762/5.334 5.041 ± 0.3624
ea07 1342 1342/1342 1342 ± 0 5.809 5.358/6.135 5.891 ± 0.5478
ea08 1342 1342/1342 1342 ± 0 5.778 5.396/6.423 5.927 ± 0.6291
ea09 1342 1342/1342 1342 ± 0 5.552 5.077/6.242 5.645 ± 0.5958
ea10 1342 1342/1342 1342 ± 0 5.749 5.259/6.501 5.837 ± 0.6591
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.776 5.329/6.279 5.894 ± 0.5974
ea13 1342 1342/1342 1342 ± 0 5.93 5.598/6.179 5.96 ± 0.4597
ea14 1342 1342/1342 1342 ± 0 5.714 5.192/6.248 5.738 ± 0.6163
ea15 1342 1342/1342 1342 ± 0 5.551 5.072/6.1 5.656 ± 0.6559
ea16 1342 1342/1342 1342 ± 0 6.03 5.53/6.468 6.112 ± 0.6918
ea17 1342 1342/1342 1342 ± 0.000003028 5.901 5.523/6.375 6.009 ± 0.6095
ea18 1342 1342/1342 1342 ± 0 5.032 4.777/5.477 5.129 ± 0.4917
ea19 1342 1342/1342 1342 ± 0 5.915 5.508/6.51 6.061 ± 0.6243
ea20 1342 1342/1342 1342 ± 0 6.099 5.727/6.722 6.201 ± 0.635
ea21 1342 1342/1342 1342 ± 0 5.551 5.288/6.158 5.715 ± 0.5334
ea22 1342 1342/1342 1342 ± 0 5.546 5.091/6.179 5.635 ± 0.6242
ea23 1342 1342/1342 1342 ± 0 5.882 5.447/6.488 5.989 ± 0.6444
ea25 1342 1342/1342 1342 ± 0.000001514 5.501 5.186/5.999 5.605 ± 0.5558
ea26 1342 1342/1342 1342 ± 0 5.901 5.509/6.507 5.999 ± 0.6304
ea27 1342 1342/1342 1342 ± 0.00002114 5.526 5.17/6.295 5.682 ± 0.5823
ea28 1342 1342/1342 1342 ± 0 5.469 5.238/6.184 5.67 ± 0.5968
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 ± 0.00002439 5.37 5.15/5.522 5.348 ± 0.2461
3 1342 1342/1342 1342 ± 0.00002616 5.05 4.864/5.289 5.061 ± 0.2618
4 1342 1342/1342 1342 ± 0.00002439 5.193 4.946/5.297 5.126 ± 0.2908
5 1342 1342/1342 1342 ± 0.00002439 5.279 5.048/5.358 5.242 ± 0.2852
6 1342 1342/1342 1342 ± 0.00002454 5.204 5.038/5.353 5.183 ± 0.2699
7 1342 1342/1342 1342 ± 0.00002439 5.292 5.189/5.473 5.311 ± 0.2413
8 1342 1342/1342 1342 ± 0.00002439 5.288 5.091/5.433 5.261 ± 0.2699
9 1342 1342/1342 1342 ± 0.00002439 5.531 5.388/5.816 5.529 ± 0.3005
10 1342 1342/1342 1342 ± 0.00002439 5.925 5.833/6.126 5.931 ± 0.2913
11 1342 1342/1342 1342 ± 0.00002439 6.149 6.042/6.318 6.144 ± 0.3198
12 1342 1342/1342 1342 ± 0.00002439 6.281 6.119/6.518 6.284 ± 0.3449
13 1342 1342/1342 1342 ± 0.00002439 6.685 6.569/6.904 6.689 ± 0.36
14 1342 1342/1342 1342 ± 0.00002439 6.803 6.685/7.127 6.837 ± 0.3812
15 1342 1342/1342 1342 ± 0.00002439 6.522 6.35/6.724 6.471 ± 0.3634
16 1342 1342/1342 1342 ± 0.00002745 5.854 5.708/6.093 5.867 ± 0.3173
17 1342 1342/1342 1342 ± 0.00002673 5.832 5.673/6.052 5.836 ± 0.3131
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2024-05-02 12:59:19.256
End
2024-05-02 14:10:47.830
Duration
1:11:28.573
Note, WebLog generation is not included in the time.

CASA logs for stage 7