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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.093 4.776/5.696 5.232 ± 0.5404
ea02 1342 1342/1342 1342 ± 0.00003626 5.236 4.999/6.207 5.562 ± 0.6919
ea04 1342 1342/1342 1342 ± 0.000005113 5.182 4.699/5.611 5.196 ± 0.5305
ea05 1342 1342/1342 1342 ± 0 5.576 4.893/5.988 5.511 ± 0.5773
ea06 1342 1342/1342 1342 ± 0 4.733 4.583/5.277 4.949 ± 0.4528
ea07 1342 1342/1342 1342 ± 0.0000118 5.368 4.873/5.758 5.425 ± 0.5774
ea08 1342 1342/1342 1342 ± 0.00004147 5.248 5.091/6.283 5.645 ± 0.6929
ea09 1342 1342/1342 1342 ± 0.000004899 4.979 4.854/5.996 5.35 ± 0.6135
ea10 1342 1342/1342 1342 ± 0.00003281 5.408 5.031/6.25 5.616 ± 0.6152
ea11 1342 1342/1342 1342 ± 0 5.148 4.875/5.94 5.379 ± 0.6442
ea12 1342 1342/1342 1342 ± 0 5.365 4.916/6 5.465 ± 0.5988
ea13 1342 1342/1342 1342 ± 0 5.657 5.295/6.031 5.738 ± 0.5366
ea14 1342 1342/1342 1342 ± 0 5.652 4.932/6.113 5.575 ± 0.6596
ea15 1342 1342/1342 1342 ± 0 5.478 4.853/5.856 5.484 ± 0.6229
ea16 1342 1342/1342 1342 ± 0 5.765 5.233/6.3 5.761 ± 0.6548
ea17 1342 1342/1342 1342 ± 0 5.426 4.958/6.401 5.592 ± 0.68
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.777 5.147/6.314 5.788 ± 0.5956
ea20 1342 1342/1342 1342 ± 0 5.461 5.181/6.387 5.75 ± 0.6592
ea21 1342 1342/1342 1342 ± 0 5.363 4.988/5.877 5.438 ± 0.5344
ea22 1342 1342/1342 1342 ± 0.00002292 5.062 4.892/6.131 5.429 ± 0.6987
ea23 1342 1342/1342 1342 ± 0 5.528 5.112/6.148 5.687 ± 0.6422
ea25 1342 1342/1342 1342 ± 0 4.985 4.771/5.875 5.318 ± 0.5979
ea26 1342 1342/1342 1342 ± 0 5.217 5.038/6.062 5.466 ± 0.5689
ea27 1342 1342/1342 1342 ± 0.00004075 5.158 4.796/6.052 5.377 ± 0.6169
ea28 1342 1342/1342 1342 ± 0.0000415 5.209 4.954/6.064 5.434 ± 0.6762
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 ± 0.00003346 4.894 4.755/4.972 4.878 ± 0.1539
4 1342 1342/1342 1342 ± 0.00003817 4.713 4.524/4.792 4.69 ± 0.2338
5 1342 1342/1342 1342 ± 0.0000341 4.866 4.7/5.102 4.892 ± 0.2136
6 1342 1342/1342 1342 ± 0.00003346 4.89 4.793/5.054 4.914 ± 0.1918
7 1342 1342/1342 1342 ± 0.00003346 4.969 4.872/5.107 4.979 ± 0.1712
8 1342 1342/1342 1342 ± 0.00003346 5 4.849/5.138 4.983 ± 0.2021
9 1342 1342/1342 1342 ± 0.00003346 5.245 5.156/5.468 5.258 ± 0.2461
10 1342 1342/1342 1342 ± 0.00003346 5.645 5.583/5.772 5.654 ± 0.2082
11 1342 1342/1342 1342 ± 0.00003346 5.932 5.789/6.028 5.882 ± 0.2372
12 1342 1342/1342 1342 ± 0.00003346 6.061 5.879/6.148 6.03 ± 0.2498
13 1342 1342/1342 1342 ± 0.00003346 6.429 6.304/6.526 6.422 ± 0.2462
14 1342 1342/1342 1342 ± 0.00003346 6.619 6.442/6.764 6.582 ± 0.2682
15 1342 1342/1342 1342 ± 0.00003346 6.255 6.068/6.425 6.218 ± 0.3104
16 1342 1342/1342 1342 ± 0.00005211 5.283 5.028/5.565 5.296 ± 0.3425
17 1342 1342/1342 1342 ± 0.00005471 5.258 5.063/5.541 5.316 ± 0.3246
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-02-14 04:53:30.080
End
2025-02-14 05:35:17.853
Duration
0:41:47.773
Note, WebLog generation is not included in the time.

CASA logs for stage 8