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 5.637 5.24/6.16 5.702 ± 0.5515
ea02 1342 1342/1342 1342 ± 0.00001788 5.758 5.448/6.595 5.978 ± 0.6516
ea04 1342 1342/1342 1342 ± 0.00001476 5.552 5.172/6.06 5.656 ± 0.5191
ea05 1342 1342/1342 1342 ± 0 5.902 5.396/6.488 5.877 ± 0.6089
ea06 1342 1342/1342 1342 ± 0 5.592 5.069/5.952 5.552 ± 0.5079
ea07 1342 1342/1342 1342 ± 0 5.122 5.079/5.426 5.225 ± 0.206
ea08 1342 1342/1342 1342 ± 0.00002626 5.916 5.584/6.703 6.14 ± 0.6757
ea09 1342 1342/1342 1342 ± 0 5.18 4.959/5.825 5.357 ± 0.4479
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.000002688 5.694 5.316/6.373 5.889 ± 0.6175
ea13 1342 1342/1342 1342 ± 0 6.165 5.827/6.346 6.194 ± 0.4696
ea14 1342 1342/1342 1342 ± 0 6.055 5.31/6.475 5.961 ± 0.6624
ea15 1342 1342/1342 1342 ± 0 5.952 5.398/6.386 5.988 ± 0.6627
ea16 1342 1342/1342 1342 ± 0 6.107 5.528/6.622 6.139 ± 0.6929
ea17 1342 1342/1342 1342 ± 0.0000125 5.632 5.482/5.783 5.627 ± 0.1873
ea18 1342 1342/1342 1342 ± 0.000005885 5.256 4.871/5.737 5.271 ± 0.5037
ea19 1342 1342/1342 1342 ± 0 5.617 5.595/5.731 5.666 ± 0.08029
ea20 1342 1342/1342 1342 ± 0 6.32 5.784/6.875 6.283 ± 0.652
ea21 1342 1342/1342 1342 ± 0.000001191 5.702 5.36/6.335 5.849 ± 0.5745
ea22 1342 1342/1342 1342 ± 0 5.512 5.296/6.492 5.823 ± 0.639
ea23 1342 1342/1342 1342 ± 0.00001402 5.959 5.425/6.506 6.021 ± 0.6758
ea24 1342 1342/1342 1342 ± 0 5.935 5.151/6.345 5.728 ± 0.601
ea25 1342 1342/1342 1342 ± 0.000007949 5.483 5.356/6.309 5.802 ± 0.5991
ea26 1342 1342/1342 1342 ± 0 6.097 5.773/6.986 6.324 ± 0.6667
ea27 1342 1342/1342 1342 ± 0.000007039 5.376 5.217/5.518 5.366 ± 0.1794
ea28 1342 1342/1342 1342 ± 0.00004084 5.651 5.46/6.538 5.953 ± 0.6386
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 ± 0.00002395 5.419 5.223/5.551 5.406 ± 0.2283
3 1342 1342/1342 1342 ± 0.00002628 5.173 5.056/5.331 5.206 ± 0.2605
4 1342 1342/1342 1342 ± 0.00002685 5.259 5.115/5.52 5.283 ± 0.2802
5 1342 1342/1342 1342 ± 0.00002395 5.425 5.228/5.621 5.416 ± 0.2933
6 1342 1342/1342 1342 ± 0.00002396 5.394 5.1/5.533 5.345 ± 0.2744
7 1342 1342/1342 1342 ± 0.00002395 5.391 5.222/5.595 5.395 ± 0.2608
8 1342 1342/1342 1342 ± 0.00002395 5.418 5.105/5.527 5.348 ± 0.2877
9 1342 1342/1342 1342 ± 0.000024 5.646 5.479/5.873 5.62 ± 0.306
10 1342 1342/1342 1342 ± 0.00002604 6.066 5.899/6.199 6.023 ± 0.3225
11 1342 1342/1342 1342 ± 0.00002604 6.312 6.186/6.404 6.253 ± 0.3125
12 1342 1342/1342 1342 ± 0.00002604 6.439 6.311/6.545 6.395 ± 0.314
13 1342 1342/1342 1342 ± 0.00002604 6.905 6.533/7.046 6.812 ± 0.3663
14 1342 1342/1342 1342 ± 0.00002604 7.079 6.788/7.218 7.004 ± 0.3907
15 1342 1342/1342 1342 ± 0.00002604 6.785 6.432/6.913 6.645 ± 0.3984
16 1342 1342/1342 1342 ± 0.00004053 5.835 5.584/6.237 5.855 ± 0.3602
17 1342 1342/1342 1342 ± 0.0000404 5.775 5.635/6.099 5.866 ± 0.3344
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-04-13 04:48:04.424
End
2024-04-13 05:41:14.145
Duration
0:53:09.720
Note, WebLog generation is not included in the time.

CASA logs for stage 7