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 5.524 5.201/6.078 5.637 ± 0.6789
ea02 1342 1342/1342 1342 ± 0.00003764 5.93 5.202/6.659 5.97 ± 0.8748
ea04 1342 1342/1342 1342 ± 0.00002329 5.329 5.205/6.038 5.525 ± 0.6739
ea05 1342 1342/1342 1342 ± 0.00001015 5.455 5.223/6.623 5.857 ± 0.8273
ea06 1342 1342/1342 1342 ± 0.00002957 5.044 4.81/5.837 5.252 ± 0.6267
ea07 1342 1342/1342 1342 ± 0.00004135 5.764 5.427/6.327 5.851 ± 0.7751
ea09 1342 1342/1342 1342 ± 0.000002748 5.214 5.017/5.909 5.354 ± 0.5532
ea10 1342 1342/1342 1342 ± 0.00004539 5.047 4.81/5.954 5.275 ± 0.6682
ea11 1342 1342/1342 1342 ± 0.0000427 5.959 5.53/6.679 5.946 ± 0.8674
ea12 1342 1342/1342 1342 ± 0.0000343 5.667 5.577/6.478 5.978 ± 0.8112
ea13 1342 1342/1342 1342 ± 0 5.885 5.52/6.366 6.041 ± 0.6956
ea14 1342 1342/1342 1342 ± 0.00003856 5.619 5.346/6.689 5.95 ± 0.8328
ea15 1342 1342/1342 1342 ± 0.00001847 5.613 5.457/6.495 5.883 ± 0.8503
ea16 1342 1342/1342 1342 ± 0.00001832 5.909 5.248/6.738 6.013 ± 0.9961
ea17 1342 1342/1342 1342 ± 0.00004418 5.965 5.503/6.655 6.044 ± 0.8817
ea18 1342 1342/1342 1342 ± 0.0000419 4.974 4.709/5.655 5.143 ± 0.6629
ea19 1342 1342/1342 1342 ± 0.00002003 5.786 5.537/6.789 6.03 ± 0.8391
ea20 1342 1342/1342 1342 ± 0.00004168 6.141 5.836/7.013 6.29 ± 0.903
ea21 1342 1342/1342 1342 ± 0.00002493 5.584 5.112/6.359 5.74 ± 0.8141
ea22 1342 1342/1342 1342 ± 0.000008319 5.517 5.104/6.509 5.758 ± 0.7932
ea23 1342 1342/1342 1342 ± 0.00004175 5.83 5.459/6.75 6.049 ± 0.896
ea24 1342 1342/1342 1342 ± 0 5.162 4.965/6.179 5.481 ± 0.6858
ea25 1342 1342/1342 1342 ± 0.00004272 5.642 5.173/6.263 5.723 ± 0.7599
ea26 1342 1342/1342 1342 ± 0 5.832 5.721/6.881 6.161 ± 0.7987
ea27 1342 1342/1342 1342 ± 0.00004386 5.677 5.353/6.651 5.844 ± 0.7766
ea28 1342 1342/1342 1342 ± 0.00004246 5.713 5.568/6.623 5.984 ± 0.8336
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 ± 0.00002353 5.267 5.056/5.456 5.211 ± 0.3161
3 1342 1342/1342 1342 ± 0.00003707 5.22 4.995/5.444 5.218 ± 0.3985
5 1342 1342/1342 1342 ± 0.0000236 5.835 5.638/6.149 5.842 ± 0.5202
6 1342 1342/1342 1342 ± 0.00002353 5.517 5.168/5.616 5.417 ± 0.2912
7 1342 1342/1342 1342 ± 0.00002353 5.526 5.282/5.67 5.481 ± 0.2933
8 1342 1342/1342 1342 ± 0.00002353 5.457 5.142/5.568 5.391 ± 0.3352
9 1342 1342/1342 1342 ± 0.00002353 5.614 5.28/5.767 5.534 ± 0.3234
10 1342 1342/1342 1342 ± 0.00002351 6.145 5.968/6.269 6.071 ± 0.3067
11 1342 1342/1342 1342 ± 0.00002351 6.396 6.053/6.558 6.35 ± 0.3177
12 1342 1342/1342 1342 ± 0.00002351 6.524 6.316/6.748 6.513 ± 0.3624
13 1342 1342/1342 1342 ± 0.00002351 6.958 6.712/7.26 6.922 ± 0.4211
14 1342 1342/1342 1342 ± 0.00002351 7.277 6.948/7.39 7.115 ± 0.4366
15 1342 1342/1342 1342 ± 0.00002382 6.507 6.085/6.928 6.472 ± 0.5638
16 1342 1342/1342 1342 ± 0.00005885 4.417 4.295/4.539 4.414 ± 0.1724
17 1342 1342/1342 1342 ± 0.00006094 4.837 4.694/4.969 4.855 ± 0.255
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
Start time
2024-04-20 18:01:48.905
End
2024-04-20 18:55:03.364
Duration
0:53:14.460
Note, WebLog generation is not included in the time.

CASA logs for stage 7