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 5.801 5.204/6.231 5.619 ± 0.7268
ea02 1342 1342/1342 1342 ± 0.00004143 6.093 5.327/6.678 5.924 ± 0.9096
ea04 1342 1342/1342 1342 ± 0.00003761 5.341 5.012/6.03 5.475 ± 0.7633
ea05 1342 1342/1342 1342 ± 0.0000151 5.369 4.977/6.39 5.636 ± 0.843
ea06 1342 1342/1342 1342 ± 0.00003786 5.363 4.788/5.878 5.268 ± 0.7177
ea07 1342 1342/1342 1342 ± 0.00003334 5.707 5.272/6.205 5.706 ± 0.7848
ea09 1342 1342/1342 1342 ± 0.00003013 5.523 5.01/6.207 5.451 ± 0.7895
ea10 1342 1342/1342 1342 ± 0.00003441 5.185 4.815/5.837 5.25 ± 0.6809
ea11 1342 1342/1342 1342 ± 0.00003752 5.87 5.366/6.572 5.832 ± 0.8595
ea12 1342 1342/1342 1342 ± 0.00003929 5.685 5.38/6.634 5.854 ± 0.9174
ea13 1342 1342/1342 1342 ± 0.00002638 5.618 5.46/6.214 5.79 ± 0.8316
ea14 1342 1342/1342 1342 ± 0.0000331 5.814 5.325/6.598 5.859 ± 0.9149
ea15 1342 1342/1342 1342 ± 0.00003743 5.751 5.301/6.518 5.81 ± 0.9211
ea16 1342 1342/1342 1342 ± 0.00002983 6.057 5.337/6.764 5.947 ± 1.049
ea17 1342 1342/1342 1342 ± 0.00003868 6.051 5.316/6.699 5.961 ± 0.9308
ea18 1342 1342/1342 1342 ± 0.00003882 4.918 4.797/5.626 5.06 ± 0.664
ea19 1342 1342/1342 1342 ± 0.00001681 5.662 5.397/6.712 5.865 ± 0.9348
ea20 1342 1342/1342 1342 ± 0.0000394 5.978 5.884/6.982 6.169 ± 0.9723
ea21 1342 1342/1342 1342 ± 0.00002565 5.56 5.285/6.343 5.682 ± 0.8581
ea22 1342 1342/1342 1342 ± 0.0000389 5.763 5.101/6.445 5.678 ± 0.9578
ea23 1342 1342/1342 1342 ± 0.00003256 5.819 5.445/6.608 5.897 ± 0.8787
ea24 1342 1342/1342 1342 ± 0.00002053 5.625 4.767/6.113 5.391 ± 0.8044
ea25 1342 1342/1342 1342 ± 0.00003796 5.577 5.251/6.324 5.656 ± 0.8299
ea26 1342 1342/1342 1342 ± 0.00001876 5.818 5.576/6.776 6.052 ± 0.8584
ea27 1342 1342/1342 1342 ± 0.00003698 5.545 5.208/6.515 5.715 ± 0.8079
ea28 1342 1342/1342 1342 ± 0.0000388 5.815 5.437/6.674 5.937 ± 0.8821
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 ± 0.00002351 5.316 5.142/5.545 5.314 ± 0.3055
5 1342 1342/1342 1342 ± 0.00002348 5.41 5.266/5.619 5.431 ± 0.3968
6 1342 1342/1342 1342 ± 0.00002351 5.239 4.971/5.376 5.184 ± 0.2509
7 1342 1342/1342 1342 ± 0.00002371 5.321 5.13/5.451 5.291 ± 0.2562
8 1342 1342/1342 1342 ± 0.00002371 5.311 5.014/5.403 5.256 ± 0.298
9 1342 1342/1342 1342 ± 0.00002576 5.578 5.361/5.807 5.554 ± 0.2926
10 1342 1342/1342 1342 ± 0.00002351 6.086 5.825/6.158 6.008 ± 0.28
11 1342 1342/1342 1342 ± 0.00002351 6.326 6.025/6.519 6.292 ± 0.2967
12 1342 1342/1342 1342 ± 0.00002351 6.446 6.21/6.683 6.458 ± 0.3393
13 1342 1342/1342 1342 ± 0.00002369 6.605 6.361/6.849 6.548 ± 0.4186
14 1342 1342/1342 1342 ± 0.00002351 7.032 6.72/7.214 6.924 ± 0.4124
15 1342 1342/1342 1342 ± 0.00002934 6.534 6.256/6.795 6.489 ± 0.4139
16 1342 1342/1342 1342 ± 0.00005325 3.885 3.794/3.977 3.888 ± 0.1581
17 1342 1342/1342 1342 ± 0.0000521 4.045 3.876/4.216 4.048 ± 0.3089
datacolumn
residual_data
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2024-10-31 14:20:45.860
End
2024-10-31 15:13:52.353
Duration
0:53:06.493
Note, WebLog generation is not included in the time.

CASA logs for stage 8