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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.546 5.354/6.213 5.756 ± 0.5438
ea02 1342 1342/1342 1342 ± 0.00001536 5.871 5.501/6.548 6.017 ± 0.6552
ea04 1342 1342/1342 1342 ± 0.00000876 5.5 5.196/6.007 5.639 ± 0.4952
ea05 1342 1342/1342 1342 ± 0 5.85 5.508/6.461 5.908 ± 0.5529
ea06 1342 1342/1342 1342 ± 0 5.637 5.179/6.016 5.634 ± 0.4769
ea07 1342 1342/1342 1342 ± 0 5.24 5.18/5.667 5.346 ± 0.2511
ea08 1342 1342/1342 1342 ± 0.00003357 5.959 5.626/6.678 6.163 ± 0.6653
ea09 1342 1342/1342 1342 ± 0 5.342 5.032/5.936 5.452 ± 0.4721
ea10 1342 1342/1342 1342 ± 0.00003824 5.315 5.077/6.052 5.495 ± 0.5547
ea11 1342 1342/1342 1342 ± 0.000001556 5.709 5.455/6.421 5.942 ± 0.6073
ea13 1342 1342/1342 1342 ± 0 6 5.794/6.228 6.121 ± 0.4453
ea14 1342 1342/1342 1342 ± 0.00001708 5.846 5.504/6.489 6.001 ± 0.6172
ea15 1342 1342/1342 1342 ± 0 5.97 5.492/6.442 6.052 ± 0.6647
ea16 1342 1342/1342 1342 ± 0.00001491 5.994 5.649/6.641 6.149 ± 0.6695
ea17 1342 1342/1342 1342 ± 0.00001242 5.681 5.49/5.886 5.686 ± 0.2274
ea18 1342 1342/1342 1342 ± 0.000001092 5.186 4.873/5.674 5.229 ± 0.4856
ea19 1342 1342/1342 1342 ± 0 5.746 5.676/5.876 5.778 ± 0.122
ea20 1342 1342/1342 1342 ± 0 6.219 5.791/6.867 6.259 ± 0.5959
ea21 1342 1342/1342 1342 ± 0 5.615 5.5/6.307 5.896 ± 0.5232
ea22 1342 1342/1342 1342 ± 0 5.572 5.283/6.435 5.819 ± 0.6345
ea23 1342 1342/1342 1342 ± 0.00001323 5.677 5.614/6.567 6.065 ± 0.6499
ea24 1342 1342/1342 1342 ± 0 5.789 5.079/6.227 5.636 ± 0.5725
ea25 1342 1342/1342 1342 ± 0.000006948 5.503 5.373/6.244 5.767 ± 0.5732
ea26 1342 1342/1342 1342 ± 0 6.03 5.784/6.901 6.263 ± 0.6601
ea27 1342 1342/1342 1342 ± 0.000008352 5.587 5.28/5.627 5.455 ± 0.2229
ea28 1342 1342/1342 1342 ± 0.00003954 5.673 5.524/6.502 5.937 ± 0.6284
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 ± 0.00002365 5.579 5.344/5.69 5.516 ± 0.2624
3 1342 1342/1342 1342 ± 0.00002519 5.115 4.924/5.339 5.162 ± 0.3422
4 1342 1342/1342 1342 ± 0.00004302 5.341 5.016/5.579 5.328 ± 0.3953
5 1342 1342/1342 1342 ± 0.00002365 5.502 5.311/5.685 5.49 ± 0.2921
6 1342 1342/1342 1342 ± 0.00002365 5.486 5.193/5.63 5.418 ± 0.265
7 1342 1342/1342 1342 ± 0.00002365 5.491 5.194/5.626 5.444 ± 0.2613
8 1342 1342/1342 1342 ± 0.00002365 5.438 5.1/5.581 5.375 ± 0.2932
9 1342 1342/1342 1342 ± 0.00002369 5.695 5.431/5.914 5.646 ± 0.3133
10 1342 1342/1342 1342 ± 0.00002565 6.071 5.877/6.208 5.998 ± 0.3196
11 1342 1342/1342 1342 ± 0.00002565 6.243 6.023/6.414 6.214 ± 0.3024
12 1342 1342/1342 1342 ± 0.00002565 6.433 6.222/6.552 6.36 ± 0.2994
13 1342 1342/1342 1342 ± 0.00002565 6.878 6.425/7 6.763 ± 0.3576
14 1342 1342/1342 1342 ± 0.00002565 7.08 6.606/7.296 6.98 ± 0.3868
15 1342 1342/1342 1342 ± 0.00002565 6.7 6.369/6.914 6.634 ± 0.395
16 1342 1342/1342 1342 ± 0.00004454 5.653 5.536/5.963 5.729 ± 0.3332
17 1342 1342/1342 1342 ± 0.00004299 5.732 5.497/6.005 5.747 ± 0.3175
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-13 04:33:31.191
End
2024-04-13 05:43:19.056
Duration
1:09:47.865
Note, WebLog generation is not included in the time.

CASA logs for stage 7