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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.618 5.381/6.14 5.793 ± 0.5481
ea02 1342 1342/1342 1342 ± 0 5.929 5.474/6.558 6.096 ± 0.6699
ea04 1342 1342/1342 1342 ± 0.000004268 5.488 5.213/6.073 5.685 ± 0.5507
ea05 1342 1342/1342 1342 ± 0 5.742 5.293/6.203 5.787 ± 0.6089
ea06 1342 1342/1342 1342 ± 0 4.77 4.597/5.291 4.926 ± 0.4037
ea07 1342 1342/1342 1342 ± 0 6.03 5.558/6.367 6.099 ± 0.5966
ea08 1342 1342/1342 1342 ± 0.00001532 5.941 5.627/6.717 6.208 ± 0.6843
ea09 1342 1342/1342 1342 ± 0 5.686 5.258/6.333 5.804 ± 0.6818
ea10 1342 1342/1342 1342 ± 0 5.93 5.449/6.721 6.053 ± 0.6911
ea11 1342 1342/1342 1342 ± 0 5.9 5.263/6.422 5.907 ± 0.6593
ea12 1342 1342/1342 1342 ± 0 5.808 5.437/6.402 6.001 ± 0.6491
ea13 1342 1342/1342 1342 ± 0 6.101 5.816/6.424 6.221 ± 0.5341
ea14 1342 1342/1342 1342 ± 0 5.839 5.312/6.402 5.916 ± 0.6609
ea15 1342 1342/1342 1342 ± 0 5.633 5.158/6.259 5.78 ± 0.7038
ea16 1342 1342/1342 1342 ± 0 6.289 5.742/6.836 6.38 ± 0.7303
ea17 1342 1342/1342 1342 ± 0.000006963 6.122 5.707/6.849 6.259 ± 0.639
ea18 1342 1342/1342 1342 ± 0 5.09 4.793/5.587 5.224 ± 0.5226
ea19 1342 1342/1342 1342 ± 0 5.78 5.576/6.754 6.194 ± 0.6752
ea20 1342 1342/1342 1342 ± 0 6.156 5.773/6.795 6.304 ± 0.662
ea21 1342 1342/1342 1342 ± 0 5.77 5.467/6.343 5.928 ± 0.5816
ea22 1342 1342/1342 1342 ± 0 5.765 5.252/6.43 5.835 ± 0.6604
ea23 1342 1342/1342 1342 ± 0 6.19 5.637/6.722 6.235 ± 0.6954
ea25 1342 1342/1342 1342 ± 0 5.673 5.361/6.211 5.819 ± 0.6
ea26 1342 1342/1342 1342 ± 0 6.02 5.628/6.725 6.237 ± 0.6932
ea27 1342 1342/1342 1342 ± 0.00001145 5.666 5.483/6.52 5.901 ± 0.6177
ea28 1342 1342/1342 1342 ± 0.00003021 5.723 5.495/6.521 5.979 ± 0.6819
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 ± 0.00002352 5.44 5.233/5.597 5.411 ± 0.2727
3 1342 1342/1342 1342 ± 0.00002543 5.304 5.061/5.556 5.27 ± 0.3139
4 1342 1342/1342 1342 ± 0.00002397 5.327 5.036/5.487 5.24 ± 0.3271
5 1342 1342/1342 1342 ± 0.00002352 5.49 5.208/5.691 5.449 ± 0.3387
6 1342 1342/1342 1342 ± 0.00002352 5.435 5.172/5.561 5.369 ± 0.305
7 1342 1342/1342 1342 ± 0.00002352 5.448 5.284/5.628 5.427 ± 0.2929
8 1342 1342/1342 1342 ± 0.00002352 5.459 5.246/5.554 5.374 ± 0.3144
9 1342 1342/1342 1342 ± 0.00002352 5.708 5.467/5.985 5.665 ± 0.3686
10 1342 1342/1342 1342 ± 0.00002376 6.142 5.936/6.337 6.096 ± 0.3351
11 1342 1342/1342 1342 ± 0.00002376 6.384 6.185/6.509 6.309 ± 0.3507
12 1342 1342/1342 1342 ± 0.00002352 6.501 6.395/6.726 6.484 ± 0.3761
13 1342 1342/1342 1342 ± 0.00002352 7.002 6.874/7.182 6.959 ± 0.4038
14 1342 1342/1342 1342 ± 0.00002352 7.263 7.014/7.438 7.157 ± 0.4476
15 1342 1342/1342 1342 ± 0.00002352 6.821 6.532/7.016 6.712 ± 0.4362
16 1342 1342/1342 1342 ± 0.00003162 5.995 5.886/6.329 6.038 ± 0.3743
17 1342 1342/1342 1342 ± 0.00002921 6.018 5.82/6.249 6.024 ± 0.36
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-01-07 09:06:12.243
End
2025-01-07 10:16:25.327
Duration
1:10:13.084
Note, WebLog generation is not included in the time.

CASA logs for stage 8