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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.485 5.345/5.974 5.684 ± 0.4873
ea02 1342 1342/1342 1342 ± 0.00001327 5.835 5.346/6.371 5.851 ± 0.6142
ea04 1342 1342/1342 1342 ± 0 5.618 5.292/6.112 5.723 ± 0.5051
ea05 1342 1342/1342 1342 ± 0 5.896 5.402/6.226 5.85 ± 0.5255
ea06 1342 1342/1342 1342 ± 0 3.222 3.107/3.527 3.276 ± 0.1941
ea07 1342 1342/1342 1342 ± 0 5.506 5.386/5.78 5.556 ± 0.1922
ea08 1342 1342/1342 1342 ± 0.00002991 5.846 5.552/6.628 6.061 ± 0.6469
ea09 1342 1342/1342 1342 ± 0 5.02 4.778/5.548 5.177 ± 0.4372
ea10 1342 1342/1342 1342 ± 0 5.575 5.281/6.328 5.742 ± 0.5802
ea11 1342 1342/1342 1342 ± 0 5.769 5.491/6.404 5.957 ± 0.5401
ea12 1342 1342/1342 1342 ± 0 6.013 5.474/6.439 6.007 ± 0.5303
ea13 1342 1342/1342 1342 ± 0 5.867 5.742/6.257 6.04 ± 0.4263
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.195 5.03/5.331 5.204 ± 0.3109
ea17 1342 1342/1342 1342 ± 0.00002 5.977 5.708/6.521 6.17 ± 0.5734
ea18 1342 1342/1342 1342 ± 0 5.234 4.908/5.702 5.286 ± 0.4367
ea19 1342 1342/1342 1342 ± 0 6.578 6.212/6.827 6.573 ± 0.3421
ea21 1342 1342/1342 1342 ± 0 5.808 5.508/6.354 5.927 ± 0.5007
ea22 1342 1342/1342 1342 ± 0.000008008 5.274 5.106/6.126 5.558 ± 0.5921
ea23 1342 1342/1342 1342 ± 0 6.094 5.524/6.522 6.076 ± 0.6094
ea25 1342 1342/1342 1342 ± 0.000001582 5.425 5.394/5.528 5.438 ± 0.1614
ea26 1342 1342/1342 1342 ± 0 5.745 5.587/6.688 6.059 ± 0.5774
ea27 1342 1342/1342 1342 ± 0.00001863 5.505 5.311/6.253 5.732 ± 0.5165
ea28 1342 1342/1342 1342 ± 0.00003723 5.712 5.494/6.452 5.914 ± 0.6097
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 ± 0.000026 5.501 5.32/5.711 5.452 ± 0.2954
3 1342 1342/1342 1342 ± 0.00003228 5.264 5.066/5.616 5.338 ± 0.3534
4 1342 1342/1342 1342 ± 0.000026 5.314 5.087/5.46 5.253 ± 0.2895
5 1342 1342/1342 1342 ± 0.000026 5.508 5.298/5.629 5.465 ± 0.2735
6 1342 1342/1342 1342 ± 0.000026 5.388 5.182/5.465 5.343 ± 0.2441
7 1342 1342/1342 1342 ± 0.000026 5.422 5.307/5.529 5.394 ± 0.2344
8 1342 1342/1342 1342 ± 0.000026 5.422 5.157/5.501 5.353 ± 0.2834
9 1342 1342/1342 1342 ± 0.000026 5.71 5.337/5.818 5.603 ± 0.3284
10 1342 1342/1342 1342 ± 0.000026 6.02 5.82/6.173 5.843 ± 0.6198
11 1342 1342/1342 1342 ± 0.000026 6.268 5.975/6.412 6.017 ± 0.7371
12 1342 1342/1342 1342 ± 0.000026 6.376 6.04/6.515 6.165 ± 0.7402
13 1342 1342/1342 1342 ± 0.000026 6.756 6.447/6.967 6.521 ± 0.791
14 1342 1342/1342 1342 ± 0.000026 6.864 6.643/7.102 6.655 ± 0.8148
15 1342 1342/1342 1342 ± 0.000026 6.487 6.191/6.673 6.222 ± 0.7996
16 1342 1342/1342 1342 ± 0.00004427 5.652 5.341/5.934 5.499 ± 0.6794
17 1342 1342/1342 1342 ± 0.00003916 5.583 5.325/6.001 5.515 ± 0.6507
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-03-29 09:03:43.589
End
2024-03-29 10:10:51.464
Duration
1:07:07.875
Note, WebLog generation is not included in the time.

CASA logs for stage 7