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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.464 5.364/6.21 5.642 ± 0.7692
ea02 1342 1342/1342 1342 ± 0.00003897 6.081 5.485/6.779 5.985 ± 0.992
ea04 1342 1342/1342 1342 ± 0.00004083 5.503 5.125/6.163 5.418 ± 0.8522
ea05 1342 1342/1342 1342 ± 0.00002797 5.467 5.125/6.312 5.648 ± 0.7728
ea06 1342 1342/1342 1342 ± 0.00004226 5.203 4.914/5.825 5.149 ± 0.7629
ea07 1342 1342/1342 1342 ± 0.0000384 5.904 5.391/6.305 5.8 ± 0.7948
ea09 1342 1342/1342 1342 ± 0.00003652 5.521 5.115/6.009 5.395 ± 0.774
ea10 1342 1342/1342 1342 ± 0.00003705 5.311 4.829/5.921 5.277 ± 0.6835
ea11 1342 1342/1342 1342 ± 0.00003929 6.087 5.429/6.703 5.896 ± 0.9258
ea12 1342 1342/1342 1342 ± 0.00004256 5.932 5.501/6.729 5.854 ± 1.009
ea13 1342 1342/1342 1342 ± 0.00002382 5.812 5.644/6.335 5.862 ± 0.844
ea14 1342 1342/1342 1342 ± 0.00003359 5.797 5.399/6.712 5.939 ± 0.8841
ea15 1342 1342/1342 1342 ± 0.00003895 5.781 5.442/6.578 5.754 ± 1.036
ea16 1342 1342/1342 1342 ± 0.00003391 5.953 5.518/6.857 6 ± 0.9708
ea17 1342 1342/1342 1342 ± 0.00004112 6.047 5.563/6.926 6.044 ± 0.9476
ea18 1342 1342/1342 1342 ± 0.00004018 5.134 4.791/5.687 5.12 ± 0.7334
ea19 1342 1342/1342 1342 ± 0.00001352 5.784 5.515/6.584 5.959 ± 0.8244
ea20 1342 1342/1342 1342 ± 0.00004088 6.188 5.865/7.061 6.199 ± 1.049
ea21 1342 1342/1342 1342 ± 0.0000328 5.609 5.309/6.396 5.691 ± 0.8216
ea22 1342 1342/1342 1342 ± 0.0000427 5.536 5.217/6.552 5.681 ± 0.9906
ea23 1342 1342/1342 1342 ± 0.0000354 5.995 5.549/6.723 5.984 ± 0.9648
ea24 1342 1342/1342 1342 ± 0.00002198 5.291 4.839/6.094 5.372 ± 0.7688
ea25 1342 1342/1342 1342 ± 0.00003975 5.781 5.366/6.505 5.726 ± 0.8722
ea26 1342 1342/1342 1342 ± 0.00003798 5.894 5.638/6.87 5.981 ± 0.9967
ea27 1342 1342/1342 1342 ± 0.00003808 5.745 5.397/6.609 5.808 ± 0.8557
ea28 1342 1342/1342 1342 ± 0.00003972 5.865 5.565/6.79 5.998 ± 0.9761
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 5.504 5.306/5.693 5.476 ± 0.3261
3 1342 1342/1342 1342 ± 0.00004883 5.365 5.224/5.813 5.489 ± 0.3469
5 1342 1342/1342 1342 ± 0.0000235 5.384 5.173/5.553 5.366 ± 0.3473
6 1342 1342/1342 1342 ± 0.0000235 5.446 5.12/5.578 5.373 ± 0.27
7 1342 1342/1342 1342 ± 0.0000235 5.474 5.245/5.602 5.416 ± 0.2859
8 1342 1342/1342 1342 ± 0.0000235 5.446 5.131/5.559 5.383 ± 0.3231
9 1342 1342/1342 1342 ± 0.0000235 5.772 5.428/5.907 5.684 ± 0.3153
10 1342 1342/1342 1342 ± 0.0000235 6.166 5.917/6.266 6.081 ± 0.2961
11 1342 1342/1342 1342 ± 0.0000235 6.393 6.093/6.609 6.376 ± 0.3051
12 1342 1342/1342 1342 ± 0.0000235 6.538 6.303/6.778 6.549 ± 0.347
13 1342 1342/1342 1342 ± 0.0000235 6.832 6.477/7.099 6.763 ± 0.4238
14 1342 1342/1342 1342 ± 0.00002567 6.802 6.375/7.047 6.695 ± 0.5071
15 1342 1342/1342 1342 ± 0.00002736 6.836 6.237/7.101 6.701 ± 0.4861
16 1342 1342/1342 1342 ± 0.00005005 3.891 3.717/4.087 3.916 ± 0.2985
17 1342 1342/1342 1342 ± 0.00005151 4.013 3.716/4.343 4.062 ± 0.4485
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-18 09:20:08.859
End
2024-05-18 10:27:34.108
Duration
1:07:25.249
Note, WebLog generation is not included in the time.

CASA logs for stage 8