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 6.055 5.739/6.687 6.243 ± 0.6034
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.857 5.351/6.495 5.982 ± 0.6416
ea06 1342 1342/1342 1342 ± 0 6.221 5.611/6.496 6.115 ± 0.5751
ea07 1342 1342/1342 1342 ± 0 6.228 5.613/6.465 6.178 ± 0.6135
ea08 1342 1342/1342 1342 ± 0.000006375 6.065 5.857/6.796 6.318 ± 0.6136
ea09 1342 1342/1342 1342 ± 0 6.007 5.502/6.77 6.126 ± 0.6624
ea10 1342 1342/1342 1342 ± 0.000002816 6.115 5.641/6.859 6.241 ± 0.6228
ea11 1342 1342/1342 1342 ± 0 6.115 5.482/6.69 6.176 ± 0.6956
ea12 1342 1342/1342 1342 ± 0 6.257 5.679/6.751 6.319 ± 0.6728
ea13 1342 1342/1342 1342 ± 0 5.972 5.906/6.493 6.195 ± 0.5051
ea14 1342 1342/1342 1342 ± 0 6.46 5.874/6.913 6.495 ± 0.6866
ea15 1342 1342/1342 1342 ± 0 5.772 5.2/6.128 5.714 ± 0.6318
ea16 1342 1342/1342 1342 ± 0 6.46 5.824/6.92 6.492 ± 0.7503
ea17 1342 1342/1342 1342 ± 0 6.655 6.034/7.407 6.713 ± 0.7009
ea18 1342 1342/1342 1342 ± 0 5.114 4.746/5.537 5.153 ± 0.532
ea19 1342 1342/1342 1342 ± 0 6.505 5.921/7.151 6.537 ± 0.7129
ea20 1342 1342/1342 1342 ± 0 6.041 5.814/6.973 6.318 ± 0.6442
ea21 1342 1342/1342 1342 ± 0 6.111 5.654/6.679 6.224 ± 0.6253
ea22 1342 1342/1342 1342 ± 0 6.354 5.708/6.746 6.245 ± 0.6688
ea23 1342 1342/1342 1342 ± 0 6.185 5.793/6.843 6.398 ± 0.6925
ea24 1342 1342/1342 1342 ± 0 5.78 5.167/6.325 5.714 ± 0.5726
ea26 1342 1342/1342 1342 ± 0 6.305 5.863/7.055 6.406 ± 0.6717
ea27 1342 1342/1342 1342 ± 0 6.015 5.724/7.108 6.301 ± 0.7384
ea28 1342 1342/1342 1342 ± 0 6.074 5.85/7.035 6.45 ± 0.7241
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 5.666 5.586/5.868 5.654 ± 0.2945
4 1342 1342/1342 1342 ± 0.00003007 5.402 5.155/5.56 5.295 ± 0.3971
5 1342 1342/1342 1342 ± 0.00002439 5.713 5.41/5.862 5.615 ± 0.3428
6 1342 1342/1342 1342 ± 0.00002439 5.641 5.422/5.769 5.577 ± 0.2868
7 1342 1342/1342 1342 ± 0.00002439 5.655 5.499/5.838 5.631 ± 0.2882
8 1342 1342/1342 1342 ± 0.00002439 5.593 5.428/5.83 5.566 ± 0.3205
9 1342 1342/1342 1342 ± 0.00002439 5.944 5.735/6.086 5.852 ± 0.3306
10 1342 1342/1342 1342 ± 0.00002439 6.408 6.264/6.507 6.308 ± 0.3412
11 1342 1342/1342 1342 ± 0.00002439 6.578 6.442/6.804 6.546 ± 0.3494
12 1342 1342/1342 1342 ± 0.00002439 6.75 6.47/6.95 6.702 ± 0.3865
13 1342 1342/1342 1342 ± 0.00002439 7.178 6.968/7.451 7.172 ± 0.4122
14 1342 1342/1342 1342 ± 0.00002439 7.404 7.187/7.673 7.376 ± 0.4096
15 1342 1342/1342 1342 ± 0.00002439 7.098 6.848/7.391 7.057 ± 0.3996
16 1342 1342/1342 1342 ± 0.00002439 6.27 6.091/6.461 6.268 ± 0.381
17 1342 1342/1342 1342 ± 0.00002494 6.172 5.97/6.362 6.163 ± 0.3354
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
output_dir
 
Start time
2025-04-18 10:36:25.586
End
2025-04-18 11:21:08.179
Duration
0:44:42.593
Note, WebLog generation is not included in the time.

CASA logs for stage 8