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 5.1 4.969/5.86 5.394 ± 0.5751
ea02 1342 1342/1342 1342 ± 0.00002698 5.569 5.117/6.387 5.705 ± 0.795
ea04 1342 1342/1342 1342 ± 0.0000161 4.982 4.824/5.729 5.238 ± 0.5636
ea05 1342 1342/1342 1342 ± 0.000005057 5.378 5.095/6.284 5.643 ± 0.6203
ea06 1342 1342/1342 1342 ± 0 4.815 4.605/5.386 5.009 ± 0.4871
ea07 1342 1342/1342 1342 ± 0.00004139 5.369 5.075/5.934 5.587 ± 0.6411
ea08 1342 1342/1342 1342 ± 0.0000418 5.489 5.279/6.52 5.819 ± 0.7734
ea09 1342 1342/1342 1342 ± 0 5.213 4.929/6.216 5.452 ± 0.6732
ea10 1342 1342/1342 1342 ± 0.00004272 5.389 4.981/6.266 5.608 ± 0.6702
ea11 1342 1342/1342 1342 ± 0.00001423 5.331 4.919/6.104 5.511 ± 0.7177
ea12 1342 1342/1342 1342 ± 0 5.371 5.048/6.174 5.566 ± 0.6864
ea13 1342 1342/1342 1342 ± 0 5.648 5.493/6.221 5.865 ± 0.5779
ea14 1342 1342/1342 1342 ± 0.000006962 5.337 5.175/6.302 5.721 ± 0.6729
ea15 1342 1342/1342 1342 ± 0 5.039 4.992/6.025 5.499 ± 0.6752
ea16 1342 1342/1342 1342 ± 0.00001036 5.706 5.324/6.482 5.895 ± 0.7106
ea17 1342 1342/1342 1342 ± 0.0000424 5.565 5.123/6.733 5.792 ± 0.7465
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0.000001172 5.475 5.33/6.508 5.871 ± 0.6449
ea20 1342 1342/1342 1342 ± 0 5.586 5.282/6.62 5.846 ± 0.7671
ea21 1342 1342/1342 1342 ± 0.000007896 5.365 5.012/6.046 5.566 ± 0.5938
ea22 1342 1342/1342 1342 ± 0.00001218 5.284 4.958/6.348 5.568 ± 0.7739
ea23 1342 1342/1342 1342 ± 0.00003251 5.378 5.214/6.305 5.763 ± 0.7284
ea25 1342 1342/1342 1342 ± 0.00002069 5.233 4.977/6.026 5.422 ± 0.6863
ea26 1342 1342/1342 1342 ± 0 5.428 5.173/6.357 5.681 ± 0.6293
ea27 1342 1342/1342 1342 ± 0.0000418 5.22 4.965/6.25 5.509 ± 0.6509
ea28 1342 1342/1342 1342 ± 0.0000418 5.343 5.052/6.308 5.628 ± 0.7071
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 ± 0.00002397 5.178 5.005/5.344 5.17 ± 0.1986
4 1342 1342/1342 1342 ± 0.00002881 5.031 4.857/5.186 5.025 ± 0.2773
5 1342 1342/1342 1342 ± 0.00002445 5.111 4.937/5.303 5.136 ± 0.2503
6 1342 1342/1342 1342 ± 0.00002397 5.086 5.014/5.286 5.11 ± 0.2085
7 1342 1342/1342 1342 ± 0.00002397 5.212 5.062/5.318 5.203 ± 0.1932
8 1342 1342/1342 1342 ± 0.00002397 5.186 5.006/5.328 5.175 ± 0.2213
9 1342 1342/1342 1342 ± 0.00002397 5.506 5.372/5.708 5.472 ± 0.2589
10 1342 1342/1342 1342 ± 0.00002397 5.887 5.769/5.979 5.859 ± 0.2263
11 1342 1342/1342 1342 ± 0.00002397 6.166 5.986/6.221 6.083 ± 0.2482
12 1342 1342/1342 1342 ± 0.00002397 6.267 6.043/6.354 6.214 ± 0.2766
13 1342 1342/1342 1342 ± 0.00002397 6.617 6.477/6.75 6.591 ± 0.2681
14 1342 1342/1342 1342 ± 0.00002397 6.768 6.596/6.94 6.75 ± 0.2918
15 1342 1342/1342 1342 ± 0.00002397 6.579 6.349/6.739 6.508 ± 0.3625
16 1342 1342/1342 1342 ± 0.00005888 4.743 4.544/4.974 4.759 ± 0.3052
17 1342 1342/1342 1342 ± 0.00005645 4.83 4.657/4.992 4.84 ± 0.2544
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
output_dir
 
Start time
2024-12-13 05:03:34.781
End
2024-12-13 06:07:23.140
Duration
1:03:48.358
Note, WebLog generation is not included in the time.

CASA logs for stage 8