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

Statwt Summary Plot

VLASS2.1.sb38619162.eb38631105.59096.06071193287_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 5.476 5.175/5.885 5.606 ± 0.5365
ea02 1342 1342/1342 1342 ± 0 5.62 5.304/6.392 5.88 ± 0.6481
ea04 1342 1342/1342 1342 ± 0 5.384 5.052/6.07 5.583 ± 0.5825
ea05 1342 1342/1342 1342 ± 0 5.624 5.192/6.113 5.7 ± 0.5923
ea06 1342 1342/1342 1342 ± 0 4.906 4.684/5.301 5.002 ± 0.376
ea07 1342 1342/1342 1342 ± 0 6.068 5.396/6.254 5.956 ± 0.5919
ea08 1342 1342/1342 1342 ± 0 5.723 5.406/6.535 6.019 ± 0.6789
ea09 1342 1342/1342 1342 ± 0 5.506 5.117/6.187 5.656 ± 0.6219
ea10 1342 1342/1342 1342 ± 0 5.991 5.223/6.571 5.909 ± 0.6841
ea11 1342 1342/1342 1342 ± 0 5.786 5.094/6.312 5.787 ± 0.6658
ea12 1342 1342/1342 1342 ± 0 5.878 5.255/6.397 5.935 ± 0.6741
ea13 1342 1342/1342 1342 ± 0 6.026 5.719/6.291 6.097 ± 0.506
ea14 1342 1342/1342 1342 ± 0 5.852 5.142/6.352 5.794 ± 0.6875
ea15 1342 1342/1342 1342 ± 0 5.525 5.037/6.198 5.679 ± 0.6979
ea16 1342 1342/1342 1342 ± 0 5.99 5.566/6.674 6.169 ± 0.7253
ea17 1342 1342/1342 1342 ± 0 5.833 5.441/6.403 5.986 ± 0.6209
ea18 1342 1342/1342 1342 ± 0 5.091 4.648/5.552 5.121 ± 0.5172
ea19 1342 1342/1342 1342 ± 0 5.897 5.469/6.65 6.1 ± 0.6732
ea20 1342 1342/1342 1342 ± 0 6.245 5.616/6.826 6.196 ± 0.6518
ea21 1342 1342/1342 1342 ± 0 5.634 5.248/6.149 5.746 ± 0.5697
ea22 1342 1342/1342 1342 ± 0 5.384 5.106/6.241 5.656 ± 0.6472
ea23 1342 1342/1342 1342 ± 0 6.084 5.389/6.491 6.054 ± 0.6991
ea25 1342 1342/1342 1342 ± 0 5.461 5.134/6.126 5.624 ± 0.6012
ea26 1342 1342/1342 1342 ± 0 5.879 5.527/6.82 6.092 ± 0.66
ea27 1342 1342/1342 1342 ± 0 5.575 5.285/6.383 5.741 ± 0.6005
ea28 1342 1342/1342 1342 ± 0.00002185 5.571 5.312/6.341 5.818 ± 0.6431
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 ± 0.0000235 5.268 5.121/5.524 5.282 ± 0.2446
3 1342 1342/1342 1342 ± 0.00002985 5.158 4.988/5.399 5.174 ± 0.2589
4 1342 1342/1342 1342 ± 0.00002424 5.157 4.964/5.373 5.133 ± 0.3054
5 1342 1342/1342 1342 ± 0.0000235 5.249 5.006/5.407 5.238 ± 0.3056
6 1342 1342/1342 1342 ± 0.0000235 5.226 5.01/5.387 5.218 ± 0.2761
7 1342 1342/1342 1342 ± 0.0000235 5.247 5.11/5.405 5.239 ± 0.2464
8 1342 1342/1342 1342 ± 0.0000235 5.253 5.037/5.386 5.21 ± 0.2681
9 1342 1342/1342 1342 ± 0.0000235 5.488 5.329/5.755 5.49 ± 0.3099
10 1342 1342/1342 1342 ± 0.0000235 5.961 5.805/6.132 5.937 ± 0.2995
11 1342 1342/1342 1342 ± 0.0000235 6.208 6.068/6.337 6.158 ± 0.313
12 1342 1342/1342 1342 ± 0.0000235 6.349 6.173/6.514 6.321 ± 0.3402
13 1342 1342/1342 1342 ± 0.0000235 6.753 6.659/6.977 6.753 ± 0.3632
14 1342 1342/1342 1342 ± 0.0000235 7.004 6.791/7.176 6.948 ± 0.4035
15 1342 1342/1342 1342 ± 0.0000235 6.665 6.458/6.869 6.601 ± 0.4012
16 1342 1342/1342 1342 ± 0.00002553 5.962 5.575/6.184 5.914 ± 0.4087
17 1342 1342/1342 1342 ± 0.00002702 5.946 5.587/6.222 5.912 ± 0.3889
output_dir
 
vis
VLASS2.1.sb38619162.eb38631105.59096.06071193287_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-02-05 03:17:11.670
End
2025-02-05 03:45:11.442
Duration
0:27:59.772
Note, WebLog generation is not included in the time.

CASA logs for stage 8