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 5.571 5.245/6.14 5.675 ± 0.5356
ea02 1342 1342/1342 1342 ± 0.00001484 5.806 5.422/6.578 5.969 ± 0.6506
ea04 1342 1342/1342 1342 ± 0.00001845 5.527 5.156/6.016 5.614 ± 0.5212
ea05 1342 1342/1342 1342 ± 0 5.851 5.387/6.409 5.853 ± 0.5936
ea06 1342 1342/1342 1342 ± 0 5.557 5.055/5.926 5.543 ± 0.4966
ea07 1342 1342/1342 1342 ± 0 5.152 5.116/5.468 5.241 ± 0.2142
ea08 1342 1342/1342 1342 ± 0.00002596 5.93 5.574/6.664 6.093 ± 0.6697
ea09 1342 1342/1342 1342 ± 0 5.2 4.946/5.821 5.347 ± 0.4471
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.000005786 5.628 5.334/6.369 5.863 ± 0.6134
ea13 1342 1342/1342 1342 ± 0 5.994 5.803/6.301 6.142 ± 0.4536
ea14 1342 1342/1342 1342 ± 0 6.003 5.351/6.468 5.946 ± 0.6359
ea15 1342 1342/1342 1342 ± 0 5.911 5.397/6.349 5.948 ± 0.6408
ea16 1342 1342/1342 1342 ± 0 6.06 5.531/6.582 6.089 ± 0.6627
ea17 1342 1342/1342 1342 ± 0.0000168 5.656 5.459/5.787 5.63 ± 0.1975
ea18 1342 1342/1342 1342 ± 0.000002088 5.207 4.857/5.711 5.247 ± 0.4922
ea19 1342 1342/1342 1342 ± 0 5.61 5.585/5.679 5.628 ± 0.09603
ea20 1342 1342/1342 1342 ± 0 6.233 5.744/6.765 6.24 ± 0.634
ea21 1342 1342/1342 1342 ± 0 5.578 5.37/6.316 5.8 ± 0.5611
ea22 1342 1342/1342 1342 ± 0 5.51 5.272/6.468 5.791 ± 0.6359
ea23 1342 1342/1342 1342 ± 0 5.788 5.457/6.513 5.989 ± 0.6585
ea24 1342 1342/1342 1342 ± 0 5.821 5.101/6.301 5.676 ± 0.5998
ea25 1342 1342/1342 1342 ± 0.000008088 5.419 5.345/6.318 5.78 ± 0.6044
ea26 1342 1342/1342 1342 ± 0 6.137 5.781/6.965 6.311 ± 0.6527
ea27 1342 1342/1342 1342 ± 0.000012 5.449 5.219/5.537 5.378 ± 0.1956
ea28 1342 1342/1342 1342 ± 0.00004114 5.634 5.473/6.519 5.932 ± 0.625
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 ± 0.00002399 5.409 5.234/5.587 5.419 ± 0.2266
3 1342 1342/1342 1342 ± 0.00002732 5.132 5.011/5.333 5.168 ± 0.271
4 1342 1342/1342 1342 ± 0.00002873 5.218 5.049/5.465 5.229 ± 0.2745
5 1342 1342/1342 1342 ± 0.00002399 5.423 5.271/5.615 5.427 ± 0.2934
6 1342 1342/1342 1342 ± 0.00002399 5.386 5.12/5.554 5.35 ± 0.2707
7 1342 1342/1342 1342 ± 0.00002399 5.382 5.195/5.593 5.39 ± 0.2672
8 1342 1342/1342 1342 ± 0.00002399 5.41 5.099/5.5 5.335 ± 0.2866
9 1342 1342/1342 1342 ± 0.0000241 5.649 5.455/5.856 5.612 ± 0.3103
10 1342 1342/1342 1342 ± 0.00002609 6.057 5.847/6.225 5.998 ± 0.325
11 1342 1342/1342 1342 ± 0.00002609 6.28 6.177/6.393 6.232 ± 0.3104
12 1342 1342/1342 1342 ± 0.00002609 6.419 6.301/6.53 6.374 ± 0.3115
13 1342 1342/1342 1342 ± 0.00002609 6.898 6.505/7.014 6.782 ± 0.3622
14 1342 1342/1342 1342 ± 0.00002609 7.004 6.746/7.174 6.951 ± 0.38
15 1342 1342/1342 1342 ± 0.00002609 6.655 6.386/6.849 6.571 ± 0.3772
16 1342 1342/1342 1342 ± 0.00003931 5.751 5.456/6.1 5.752 ± 0.3559
17 1342 1342/1342 1342 ± 0.00003986 5.743 5.579/6.057 5.799 ± 0.3291
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-04-13 06:02:52.541
End
2024-04-13 07:01:53.583
Duration
0:59:01.042
Note, WebLog generation is not included in the time.

CASA logs for stage 7