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 5.543 5.296/5.872 5.635 ± 0.4813
ea02 1342 1342/1342 1342 ± 0 5.809 5.528/6.382 5.981 ± 0.526
ea04 1342 1342/1342 1342 ± 0 5.575 5.226/6.184 5.723 ± 0.5063
ea05 1342 1342/1342 1342 ± 0 5.759 5.356/6.063 5.745 ± 0.4659
ea06 1342 1342/1342 1342 ± 0 2.951 2.89/3.175 3.041 ± 0.1842
ea07 1342 1342/1342 1342 ± 0 5.514 5.369/5.744 5.539 ± 0.2111
ea08 1342 1342/1342 1342 ± 0 5.679 5.44/6.348 5.902 ± 0.5297
ea09 1342 1342/1342 1342 ± 0 4.734 4.633/5.162 4.861 ± 0.2751
ea10 1342 1342/1342 1342 ± 0 5.44 5.226/6.18 5.669 ± 0.4949
ea11 1342 1342/1342 1342 ± 0 5.775 5.505/6.342 5.923 ± 0.5156
ea12 1342 1342/1342 1342 ± 0 5.629 5.238/5.883 5.624 ± 0.3859
ea13 1342 1342/1342 1342 ± 0 6.107 5.765/6.284 6.092 ± 0.4153
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 4.985 4.939/5.196 5.046 ± 0.2273
ea17 1342 1342/1342 1342 ± 0.000003377 6.049 5.7/6.406 6.121 ± 0.5075
ea18 1342 1342/1342 1342 ± 0 5.068 4.835/5.401 5.123 ± 0.3703
ea19 1342 1342/1342 1342 ± 0 6.25 5.905/6.503 6.243 ± 0.3276
ea21 1342 1342/1342 1342 ± 0 5.77 5.5/6.292 5.923 ± 0.4898
ea22 1342 1342/1342 1342 ± 0 5.368 5.142/5.828 5.475 ± 0.4388
ea23 1342 1342/1342 1342 ± 0 5.967 5.539/6.486 6.058 ± 0.6001
ea25 1342 1342/1342 1342 ± 0.000001511 5.39 5.338/5.523 5.394 ± 0.1632
ea26 1342 1342/1342 1342 ± 0 5.627 5.382/6.068 5.725 ± 0.3832
ea27 1342 1342/1342 1342 ± 0.00001248 5.371 5.106/6.029 5.551 ± 0.4678
ea28 1342 1342/1342 1342 ± 0.000001068 5.674 5.433/6.339 5.89 ± 0.5569
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 5.526 5.336/5.655 5.462 ± 0.3045
3 1342 1342/1342 1342 ± 0.00003162 5.274 5.092/5.672 5.358 ± 0.3372
4 1342 1342/1342 1342 ± 0.00002632 5.269 5.145/5.506 5.31 ± 0.3325
5 1342 1342/1342 1342 ± 0.00002601 5.358 5.215/5.542 5.349 ± 0.2961
6 1342 1342/1342 1342 ± 0.000026 5.323 5.205/5.392 5.277 ± 0.2656
7 1342 1342/1342 1342 ± 0.000026 5.352 5.211/5.471 5.308 ± 0.255
8 1342 1342/1342 1342 ± 0.000026 5.375 5.068/5.433 5.253 ± 0.3061
9 1342 1342/1342 1342 ± 0.000026 5.645 5.254/5.764 5.484 ± 0.3723
10 1342 1342/1342 1342 ± 0.000026 5.829 5.65/6.088 5.678 ± 0.6416
11 1342 1342/1342 1342 ± 0.000026 6.047 5.777/6.269 5.813 ± 0.7592
12 1342 1342/1342 1342 ± 0.000026 6.112 5.917/6.333 5.933 ± 0.7829
13 1342 1342/1342 1342 ± 0.000026 6.551 6.28/6.756 6.27 ± 0.8486
14 1342 1342/1342 1342 ± 0.000026 6.596 6.372/6.975 6.417 ± 0.8695
15 1342 1342/1342 1342 ± 0.000026 6.26 6.02/6.562 6.062 ± 0.8562
16 1342 1342/1342 1342 ± 0.00002795 5.693 5.279/5.888 5.478 ± 0.7035
17 1342 1342/1342 1342 ± 0.00002606 5.609 5.409/5.815 5.498 ± 0.696
datacolumn
residual_data
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-03-29 10:34:50.377
End
2024-03-29 11:48:20.116
Duration
1:13:29.739
Note, WebLog generation is not included in the time.

CASA logs for stage 7