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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.83 5.518/6.472 6.024 ± 0.6127
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.767 5.156/6.547 5.871 ± 0.6741
ea06 1342 1342/1342 1342 ± 0 6.137 5.347/6.354 5.958 ± 0.5945
ea07 1342 1342/1342 1342 ± 0 6.05 5.298/6.33 5.959 ± 0.6498
ea08 1342 1342/1342 1342 ± 0.00003008 5.855 5.547/6.553 6.096 ± 0.6467
ea09 1342 1342/1342 1342 ± 0.00001099 5.609 5.212/6.575 5.842 ± 0.6958
ea10 1342 1342/1342 1342 ± 0 6.05 5.287/6.625 6.001 ± 0.6441
ea11 1342 1342/1342 1342 ± 0 6.02 5.267/6.489 5.983 ± 0.6804
ea12 1342 1342/1342 1342 ± 0 6.052 5.376/6.494 6.027 ± 0.6503
ea13 1342 1342/1342 1342 ± 0.00002147 5.707 5.602/6.272 5.985 ± 0.5029
ea14 1342 1342/1342 1342 ± 0 6.268 5.494/6.766 6.22 ± 0.7476
ea15 1342 1342/1342 1342 ± 0 5.539 4.937/5.926 5.473 ± 0.6204
ea16 1342 1342/1342 1342 ± 0 6.292 5.535/6.708 6.27 ± 0.7627
ea17 1342 1342/1342 1342 ± 0 6.419 5.717/7.168 6.467 ± 0.7447
ea18 1342 1342/1342 1342 ± 0 4.958 4.568/5.414 5.02 ± 0.5399
ea19 1342 1342/1342 1342 ± 0 6.476 5.64/6.899 6.376 ± 0.6843
ea20 1342 1342/1342 1342 ± 0.00002126 5.997 5.573/6.753 6.078 ± 0.6535
ea21 1342 1342/1342 1342 ± 0 6.088 5.417/6.476 6.019 ± 0.6361
ea22 1342 1342/1342 1342 ± 0 6.162 5.312/6.531 5.971 ± 0.7187
ea23 1342 1342/1342 1342 ± 0 5.89 5.481/6.615 6.114 ± 0.7055
ea24 1342 1342/1342 1342 ± 0 5.417 4.915/6.114 5.472 ± 0.6051
ea26 1342 1342/1342 1342 ± 0 5.862 5.483/6.889 6.134 ± 0.7025
ea27 1342 1342/1342 1342 ± 0.000001258 5.878 5.413/6.819 6.045 ± 0.7356
ea28 1342 1342/1342 1342 ± 0.00001245 6.043 5.609/6.797 6.239 ± 0.7349
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 5.388 5.283/5.565 5.371 ± 0.2683
4 1342 1342/1342 1342 ± 0.00002872 5.149 4.882/5.195 5.048 ± 0.3369
5 1342 1342/1342 1342 ± 0.00002439 5.382 5.156/5.489 5.311 ± 0.3109
6 1342 1342/1342 1342 ± 0.00002439 5.345 5.184/5.5 5.299 ± 0.2562
7 1342 1342/1342 1342 ± 0.00002439 5.414 5.293/5.573 5.385 ± 0.2662
8 1342 1342/1342 1342 ± 0.00002439 5.336 5.214/5.6 5.339 ± 0.3011
9 1342 1342/1342 1342 ± 0.00002439 5.738 5.535/5.846 5.646 ± 0.3047
10 1342 1342/1342 1342 ± 0.00002439 6.201 6.077/6.279 6.103 ± 0.3216
11 1342 1342/1342 1342 ± 0.00002439 6.384 6.235/6.56 6.344 ± 0.322
12 1342 1342/1342 1342 ± 0.00002439 6.522 6.267/6.737 6.495 ± 0.3602
13 1342 1342/1342 1342 ± 0.00002439 6.941 6.796/7.187 6.935 ± 0.3831
14 1342 1342/1342 1342 ± 0.00002439 7.206 7.025/7.403 7.14 ± 0.3805
15 1342 1342/1342 1342 ± 0.00002439 6.872 6.679/7.144 6.837 ± 0.3735
16 1342 1342/1342 1342 ± 0.00002439 6.124 5.912/6.319 6.142 ± 0.3811
17 1342 1342/1342 1342 ± 0.00004099 6.047 5.727/6.321 6.054 ± 0.4269
datacolumn
residual_data
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-04-18 16:02:58.958
End
2025-04-18 16:48:11.291
Duration
0:45:12.332
Note, WebLog generation is not included in the time.

CASA logs for stage 8