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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.331 5.254/5.952 5.415 ± 0.8156
ea02 1342 1342/1342 1342 ± 0.00004216 5.8 5.371/6.473 5.717 ± 0.9821
ea05 1342 1342/1342 1342 ± 0.00001741 5.556 5.159/6.599 5.711 ± 0.8409
ea06 1342 1342/1342 1342 ± 0.000005157 4.928 4.835/5.437 4.971 ± 0.589
ea07 1342 1342/1342 1342 ± 0.00004258 5.742 5.347/6.047 5.556 ± 0.8089
ea08 1342 1342/1342 1342 ± 0.0000421 5.929 5.665/6.762 5.967 ± 1.044
ea09 1342 1342/1342 1342 ± 0.00001334 3.906 3.325/5.809 4.464 ± 1.184
ea10 1342 1342/1342 1342 ± 0.00004324 5.341 5.055/6.232 5.494 ± 0.8412
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000002518 5.757 5.424/6.657 5.861 ± 1.014
ea13 1342 1342/1342 1342 ± 0.00001389 5.861 5.711/6.39 5.901 ± 0.769
ea14 1342 1342/1342 1342 ± 0.00001536 6.593 5.734/6.891 6.067 ± 1.138
ea15 1342 1342/1342 1342 ± 0 5.344 5.228/6.301 5.638 ± 0.8977
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004244 5.888 5.614/6.69 5.894 ± 1.021
ea18 1342 1342/1342 1342 ± 0.00002868 4.978 4.675/5.831 5.083 ± 0.7961
ea19 1342 1342/1342 1342 ± 0.000005626 5.729 5.436/6.739 5.889 ± 0.8711
ea20 1342 1342/1342 1342 ± 0.00001963 5.972 5.833/7.148 6.11 ± 1.113
ea21 1342 1342/1342 1342 ± 0.00002845 5.569 5.335/6.411 5.677 ± 0.849
ea22 1342 1342/1342 1342 ± 0.00003183 5.352 5.114/6.287 5.474 ± 0.8804
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.393 5.333/5.417 5.377 ± 0.1695
ea26 1342 1342/1342 1342 ± 0.00001445 5.666 5.524/6.667 5.804 ± 0.8225
ea27 1342 1342/1342 1342 ± 0.00004552 5.538 5.179/6.435 5.58 ± 0.8915
ea28 1342 1342/1342 1342 ± 0.00005445 6.548 5.621/6.692 5.897 ± 1.279
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 ± 0.00002662 5.409 5.187/5.727 5.383 ± 0.5051
3 1342 1342/1342 1342 ± 0.0000266 5.529 5.117/5.738 5.371 ± 0.563
5 1342 1342/1342 1342 ± 0.00002692 5.399 5.264/5.604 5.305 ± 0.5547
6 1342 1342/1342 1342 ± 0.00002662 5.364 5.098/5.517 5.255 ± 0.5289
7 1342 1342/1342 1342 ± 0.00002662 5.374 5.131/5.588 5.271 ± 0.5134
8 1342 1342/1342 1342 ± 0.00002662 5.356 5.062/5.42 5.197 ± 0.5204
9 1342 1342/1342 1342 ± 0.00002662 5.619 5.365/5.838 5.49 ± 0.6035
10 1342 1342/1342 1342 ± 0.00002601 6.09 5.838/6.141 6 ± 0.3561
11 1342 1342/1342 1342 ± 0.00002601 6.371 6.284/6.505 6.305 ± 0.3728
12 1342 1342/1342 1342 ± 0.00002601 6.607 6.278/6.677 6.48 ± 0.3853
13 1342 1342/1342 1342 ± 0.00002603 6.746 6.381/7.031 6.699 ± 0.4243
14 1342 1342/1342 1342 ± 0.00003488 6.546 6.172/6.92 6.563 ± 0.5308
15 1342 1342/1342 1342 ± 0.00002601 6.767 6.621/7.092 6.722 ± 0.4862
16 1342 1342/1342 1342 ± 0.00006093 3.852 3.704/4.16 3.918 ± 0.2666
17 1342 1342/1342 1342 ± 0.0000605 3.892 3.768/4.129 3.941 ± 0.2407
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-22 15:45:52.235
End
2024-04-22 16:46:51.659
Duration
1:00:59.424
Note, WebLog generation is not included in the time.

CASA logs for stage 7