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

Statwt Summary Plot

VLASS2.1.sb38563510.eb38566235.59073.10379631944_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 5.304 5.183/6.007 5.341 ± 0.8915
ea02 1342 1342/1342 1342 ± 0.0000432 5.827 5.317/6.596 5.728 ± 1.076
ea05 1342 1342/1342 1342 ± 0.00001341 5.611 5.089/6.249 5.56 ± 0.8828
ea06 1342 1342/1342 1342 ± 0.00000617 4.948 4.668/5.308 4.813 ± 0.7316
ea07 1342 1342/1342 1342 ± 0.00004428 5.738 5.304/5.983 5.449 ± 0.895
ea08 1342 1342/1342 1342 ± 0.00004384 5.998 5.551/6.902 5.975 ± 1.208
ea09 1342 1342/1342 1342 ± 0.00002312 5.217 4.872/5.703 5.145 ± 0.7187
ea10 1342 1342/1342 1342 ± 0.00004456 5.613 5.135/6.405 5.549 ± 1.006
ea11 1342 1342/1342 1342 ± 0.00004276 5.74 5.221/6.443 5.587 ± 1.099
ea12 1342 1342/1342 1342 ± 0.000006803 5.739 5.236/6.462 5.606 ± 1.082
ea13 1342 1342/1342 1342 ± 0.00002528 5.887 5.649/6.358 5.857 ± 0.8675
ea14 1342 1342/1342 1342 ± 0.00002357 6.48 5.584/6.601 5.865 ± 1.14
ea15 1342 1342/1342 1342 ± 0.000001179 5.408 5.15/6.281 5.538 ± 1.014
ea16 1342 1342/1342 1342 ± 0 5.123 4.983/5.315 5.08 ± 0.2415
ea17 1342 1342/1342 1342 ± 0.00004404 5.827 5.543/6.777 5.762 ± 1.138
ea18 1342 1342/1342 1342 ± 0.00003672 5.07 4.717/5.734 4.951 ± 0.8635
ea19 1342 1342/1342 1342 ± 0.000002337 5.817 5.461/6.503 5.8 ± 0.8782
ea20 1342 1342/1342 1342 ± 0.00002261 5.975 5.699/6.896 5.917 ± 1.218
ea21 1342 1342/1342 1342 ± 0.00002028 5.548 5.338/6.236 5.533 ± 0.8839
ea22 1342 1342/1342 1342 ± 0.000043 5.456 5.144/6.505 5.59 ± 0.9974
ea23 1342 1342/1342 1342 ± 0.00004253 5.744 5.389/6.44 5.674 ± 1.003
ea25 1342 1342/1342 1342 ± 0 5.295 5.232/5.37 5.279 ± 0.1467
ea26 1342 1342/1342 1342 ± 0.00003716 5.672 5.475/6.572 5.742 ± 0.917
ea27 1342 1342/1342 1342 ± 0.00004591 5.448 5.051/6.352 5.482 ± 0.9907
ea28 1342 1342/1342 1342 ± 0.00004352 5.717 5.39/6.588 5.692 ± 1.042
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 ± 0.0000244 5.509 5.297/5.704 5.459 ± 0.312
3 1342 1342/1342 1342 ± 0.00003242 4.718 4.615/4.886 4.776 ± 0.2589
5 1342 1342/1342 1342 ± 0.00002439 5.41 5.246/5.553 5.376 ± 0.3492
6 1342 1342/1342 1342 ± 0.0000244 5.324 5.183/5.49 5.304 ± 0.2721
7 1342 1342/1342 1342 ± 0.0000244 5.243 5.142/5.452 5.265 ± 0.2496
8 1342 1342/1342 1342 ± 0.0000244 5.304 5.055/5.447 5.234 ± 0.2812
9 1342 1342/1342 1342 ± 0.00002487 5.559 5.388/5.745 5.503 ± 0.3162
10 1342 1342/1342 1342 ± 0.00002491 6.012 5.782/6.145 5.938 ± 0.348
11 1342 1342/1342 1342 ± 0.00002491 6.304 6.14/6.401 6.223 ± 0.3659
12 1342 1342/1342 1342 ± 0.00002491 6.506 6.285/6.594 6.421 ± 0.3712
13 1342 1342/1342 1342 ± 0.00002497 6.819 6.465/6.964 6.703 ± 0.3783
14 1342 1342/1342 1342 ± 0.00003214 6.537 6.156/6.973 6.538 ± 0.5031
15 1342 1342/1342 1342 ± 0.00002513 6.612 6.405/6.84 6.54 ± 0.4998
16 1342 1342/1342 1342 ± 0.0000592 3.544 3.33/3.752 3.549 ± 0.2877
17 1342 1342/1342 1342 ± 0.0000606 3.687 3.493/3.885 3.696 ± 0.2761
statwtmode
VLASS-SE
vis
VLASS2.1.sb38563510.eb38566235.59073.10379631944_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-10-31 00:20:30.373
End
2024-10-31 01:25:00.767
Duration
1:04:30.394
Note, WebLog generation is not included in the time.

CASA logs for stage 8