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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.112 4.979/5.748 5.151 ± 0.6984
ea02 1342 1342/1342 1342 ± 0.00004485 5.502 5.026/6.222 5.472 ± 0.894
ea03 1342 1342/1342 1342 ± 0.000006533 4.742 4.544/5.746 5.024 ± 0.6707
ea04 1342 1342/1342 1342 ± 0.00002052 5.152 4.914/5.96 5.236 ± 0.7872
ea05 1342 1342/1342 1342 ± 0.00001884 5.365 4.983/6.118 5.461 ± 0.6798
ea06 1342 1342/1342 1342 ± 0.00002737 4.9 4.65/5.643 4.937 ± 0.7387
ea07 1342 1342/1342 1342 ± 0.00004603 5.36 5.129/6.004 5.41 ± 0.812
ea08 1342 1342/1342 1342 ± 0.00004781 5.689 5.326/6.53 5.696 ± 0.9764
ea09 1342 1342/1342 1342 ± 0.00001492 5.226 5.044/6.127 5.361 ± 0.7675
ea10 1342 1342/1342 1342 ± 0.00004623 5.278 5.02/6.302 5.404 ± 0.8847
ea11 1342 1342/1342 1342 ± 0.00004668 5.344 4.881/6.206 5.314 ± 0.8619
ea12 1342 1342/1342 1342 ± 0.00003339 5.289 5.04/6.347 5.436 ± 0.9364
ea13 1342 1342/1342 1342 ± 0.0000275 5.763 5.561/6.378 5.767 ± 0.7702
ea14 1342 1342/1342 1342 ± 0.00002233 5.248 4.937/6.208 5.381 ± 0.759
ea15 1342 1342/1342 1342 ± 0.0000185 5.111 4.93/6.199 5.424 ± 0.8928
ea16 1342 1342/1342 1342 ± 0.00002736 5.555 5.313/6.51 5.679 ± 0.8696
ea17 1342 1342/1342 1342 ± 0.00005191 5.795 5.36/6.503 5.745 ± 0.9355
ea18 1342 1342/1342 1342 ± 0.00004636 4.606 4.389/5.341 4.705 ± 0.6499
ea19 1342 1342/1342 1342 ± 0.00000721 5.405 5.162/6.228 5.557 ± 0.6662
ea21 1342 1342/1342 1342 ± 0.00002301 5.448 5.02/6.122 5.434 ± 0.7086
ea22 1342 1342/1342 1342 ± 0.00004316 5.24 4.882/6.124 5.324 ± 0.8301
ea23 1342 1342/1342 1342 ± 0.00004321 5.36 5.047/6.229 5.506 ± 0.8513
ea25 1342 1342/1342 1342 ± 0.00005038 5.239 5.054/6.011 5.267 ± 0.8404
ea26 1342 1342/1342 1342 ± 0.00003352 5.567 5.374/6.46 5.737 ± 0.8229
ea27 1342 1342/1342 1342 ± 0.00005197 5.236 4.967/6.176 5.324 ± 0.8297
ea28 1342 1342/1342 1342 ± 0.00005036 5.282 4.971/6.035 5.255 ± 0.7925
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 ± 0.00002373 5.078 4.988/5.304 5.105 ± 0.2437
3 1342 1342/1342 1342 ± 0.00005877 4.865 4.645/5.26 4.926 ± 0.4017
5 1342 1342/1342 1342 ± 0.00002379 5.168 4.929/5.355 5.143 ± 0.3081
6 1342 1342/1342 1342 ± 0.00002373 5.11 4.939/5.242 5.096 ± 0.274
7 1342 1342/1342 1342 ± 0.00002373 5.114 5.05/5.237 5.157 ± 0.2397
8 1342 1342/1342 1342 ± 0.00002373 5.141 4.978/5.345 5.145 ± 0.2688
9 1342 1342/1342 1342 ± 0.00002373 5.44 5.328/5.711 5.461 ± 0.3087
10 1342 1342/1342 1342 ± 0.00002373 5.866 5.707/6.043 5.837 ± 0.3116
11 1342 1342/1342 1342 ± 0.00002373 6.194 6.021/6.313 6.132 ± 0.2976
12 1342 1342/1342 1342 ± 0.00002373 6.349 6.169/6.444 6.304 ± 0.306
13 1342 1342/1342 1342 ± 0.00002402 6.364 6.215/6.581 6.361 ± 0.323
14 1342 1342/1342 1342 ± 0.00004518 5.964 5.727/6.349 6.042 ± 0.4208
15 1342 1342/1342 1342 ± 0.00002558 6.396 6.187/6.658 6.377 ± 0.4058
16 1342 1342/1342 1342 ± 0.00005831 3.786 3.595/4.017 3.81 ± 0.3041
17 1342 1342/1342 1342 ± 0.00006081 3.866 3.69/4.071 3.894 ± 0.2628
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
Start time
2025-01-04 08:52:26.860
End
2025-01-04 09:52:07.521
Duration
0:59:40.661
Note, WebLog generation is not included in the time.

CASA logs for stage 8