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 5.886 5.667/6.659 6.2 ± 0.6115
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.847 5.327/6.609 5.991 ± 0.6661
ea06 1342 1342/1342 1342 ± 0 6.147 5.554/6.487 6.072 ± 0.5871
ea07 1342 1342/1342 1342 ± 0 6.184 5.574/6.471 6.148 ± 0.6219
ea08 1342 1342/1342 1342 ± 0.00002501 5.996 5.779/6.769 6.288 ± 0.6352
ea09 1342 1342/1342 1342 ± 0.000008481 5.976 5.476/6.746 6.104 ± 0.6696
ea10 1342 1342/1342 1342 ± 0.00001229 6.063 5.582/6.84 6.218 ± 0.6349
ea11 1342 1342/1342 1342 ± 0 6.075 5.465/6.686 6.148 ± 0.6996
ea12 1342 1342/1342 1342 ± 0 6.239 5.662/6.746 6.289 ± 0.672
ea13 1342 1342/1342 1342 ± 0.00001517 5.937 5.857/6.486 6.188 ± 0.5009
ea14 1342 1342/1342 1342 ± 0 6.531 5.862/6.918 6.503 ± 0.6947
ea15 1342 1342/1342 1342 ± 0 5.752 5.184/6.126 5.696 ± 0.6542
ea16 1342 1342/1342 1342 ± 0 6.472 5.781/6.919 6.478 ± 0.7647
ea17 1342 1342/1342 1342 ± 0 6.637 5.988/7.401 6.682 ± 0.7079
ea18 1342 1342/1342 1342 ± 0 5.107 4.722/5.534 5.129 ± 0.5389
ea19 1342 1342/1342 1342 ± 0 6.594 5.868/7.132 6.522 ± 0.7278
ea20 1342 1342/1342 1342 ± 0 6.063 5.81/6.958 6.348 ± 0.619
ea21 1342 1342/1342 1342 ± 0 6.17 5.615/6.627 6.197 ± 0.6269
ea22 1342 1342/1342 1342 ± 0 6.269 5.696/6.735 6.206 ± 0.6509
ea23 1342 1342/1342 1342 ± 0 6.175 5.757/6.853 6.344 ± 0.7089
ea24 1342 1342/1342 1342 ± 0 5.598 5.046/6.245 5.604 ± 0.635
ea26 1342 1342/1342 1342 ± 0 6.245 5.825/7.053 6.395 ± 0.6874
ea27 1342 1342/1342 1342 ± 0.00001052 6.062 5.667/7.084 6.286 ± 0.7479
ea28 1342 1342/1342 1342 ± 0.000005274 6.083 5.817/7.022 6.442 ± 0.7358
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 5.602 5.521/5.812 5.603 ± 0.3206
4 1342 1342/1342 1342 ± 0.00003151 5.338 5.144/5.507 5.195 ± 0.4408
5 1342 1342/1342 1342 ± 0.00002439 5.678 5.36/5.799 5.568 ± 0.3424
6 1342 1342/1342 1342 ± 0.00002439 5.596 5.376/5.745 5.533 ± 0.2823
7 1342 1342/1342 1342 ± 0.00002439 5.634 5.484/5.797 5.598 ± 0.2879
8 1342 1342/1342 1342 ± 0.00002439 5.562 5.396/5.812 5.534 ± 0.3268
9 1342 1342/1342 1342 ± 0.00002439 5.922 5.708/6.057 5.829 ± 0.3285
10 1342 1342/1342 1342 ± 0.00002439 6.376 6.248/6.49 6.29 ± 0.34
11 1342 1342/1342 1342 ± 0.00002439 6.586 6.414/6.774 6.531 ± 0.3504
12 1342 1342/1342 1342 ± 0.00002439 6.739 6.446/6.94 6.688 ± 0.3848
13 1342 1342/1342 1342 ± 0.00002439 7.155 6.958/7.453 7.16 ± 0.4154
14 1342 1342/1342 1342 ± 0.00002439 7.382 7.193/7.645 7.366 ± 0.4054
15 1342 1342/1342 1342 ± 0.00002439 7.037 6.814/7.381 7.011 ± 0.4087
16 1342 1342/1342 1342 ± 0.00002439 6.248 6.057/6.462 6.255 ± 0.3849
17 1342 1342/1342 1342 ± 0.00003522 6.116 5.926/6.399 6.161 ± 0.3751
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
overwrite_modelcol
False
Start time
2025-04-18 19:07:39.836
End
2025-04-18 20:16:10.802
Duration
1:08:30.966
Note, WebLog generation is not included in the time.

CASA logs for stage 8