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

Statwt Summary Plot

VLASS2.1.sb38529434.eb38589592.59082.86913579861_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 5.293 5.116/5.768 5.495 ± 0.4998
ea02 1342 1342/1342 1342 ± 0.000001725 5.639 5.276/6.352 5.833 ± 0.6453
ea04 1342 1342/1342 1342 ± 0 5.22 4.924/5.806 5.401 ± 0.5382
ea05 1342 1342/1342 1342 ± 0 5.446 5.01/5.99 5.558 ± 0.5999
ea06 1342 1342/1342 1342 ± 0 5.24 5.111/5.416 5.292 ± 0.2272
ea07 1342 1342/1342 1342 ± 0 5.697 5.235/5.916 5.699 ± 0.5428
ea08 1342 1342/1342 1342 ± 0.000005968 5.563 5.364/6.376 5.873 ± 0.6487
ea09 1342 1342/1342 1342 ± 0 5.359 5.109/6.095 5.572 ± 0.6075
ea10 1342 1342/1342 1342 ± 0 5.484 4.987/6.13 5.548 ± 0.6054
ea11 1342 1342/1342 1342 ± 0 5.619 5.068/6.083 5.616 ± 0.5887
ea12 1342 1342/1342 1342 ± 0 5.516 5.117/6.178 5.711 ± 0.6218
ea13 1342 1342/1342 1342 ± 0 5.532 5.471/6.036 5.779 ± 0.4507
ea14 1342 1342/1342 1342 ± 0 5.683 5.143/6.225 5.744 ± 0.6473
ea15 1342 1342/1342 1342 ± 0 5.322 4.878/5.984 5.47 ± 0.6557
ea16 1342 1342/1342 1342 ± 0 5.893 5.479/6.536 6.055 ± 0.6945
ea17 1342 1342/1342 1342 ± 0.00002653 5.712 5.342/6.317 5.876 ± 0.6302
ea18 1342 1342/1342 1342 ± 0 4.874 4.582/5.389 5.002 ± 0.5112
ea19 1342 1342/1342 1342 ± 0 5.697 5.29/6.431 5.89 ± 0.6448
ea20 1342 1342/1342 1342 ± 0 5.842 5.423/6.464 5.962 ± 0.6061
ea21 1342 1342/1342 1342 ± 0 5.568 5.15/6.102 5.648 ± 0.5853
ea22 1342 1342/1342 1342 ± 0.000002439 5.406 5.208/6.283 5.714 ± 0.6416
ea23 1342 1342/1342 1342 ± 0 5.842 5.31/6.191 5.886 ± 0.6602
ea25 1342 1342/1342 1342 ± 0 5.452 5.04/5.885 5.539 ± 0.5572
ea26 1342 1342/1342 1342 ± 0 5.589 5.409/6.363 5.84 ± 0.5991
ea27 1342 1342/1342 1342 ± 0.00002124 5.431 5.141/6.166 5.604 ± 0.5799
ea28 1342 1342/1342 1342 ± 0.00002402 5.368 5.147/6.119 5.642 ± 0.6273
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 ± 0.00002395 5.187 5.054/5.385 5.19 ± 0.2045
3 1342 1342/1342 1342 ± 0.00002395 5.045 4.873/5.249 5.048 ± 0.2485
4 1342 1342/1342 1342 ± 0.00002399 5.115 4.901/5.252 5.106 ± 0.2727
5 1342 1342/1342 1342 ± 0.00002395 5.175 4.973/5.314 5.154 ± 0.2794
6 1342 1342/1342 1342 ± 0.00002395 5.124 5.019/5.281 5.133 ± 0.2522
7 1342 1342/1342 1342 ± 0.00002395 5.209 5.01/5.277 5.176 ± 0.2138
8 1342 1342/1342 1342 ± 0.00002395 5.185 4.996/5.329 5.158 ± 0.217
9 1342 1342/1342 1342 ± 0.00002395 5.494 5.308/5.618 5.432 ± 0.2695
10 1342 1342/1342 1342 ± 0.0000235 5.862 5.675/5.998 5.809 ± 0.2815
11 1342 1342/1342 1342 ± 0.0000235 6.085 5.872/6.224 6.013 ± 0.3026
12 1342 1342/1342 1342 ± 0.0000235 6.203 5.993/6.431 6.165 ± 0.3245
13 1342 1342/1342 1342 ± 0.0000235 6.661 6.448/6.782 6.589 ± 0.3374
14 1342 1342/1342 1342 ± 0.0000235 6.833 6.624/7.044 6.769 ± 0.364
15 1342 1342/1342 1342 ± 0.0000235 6.462 6.278/6.645 6.404 ± 0.3775
16 1342 1342/1342 1342 ± 0.0000333 5.651 5.408/6.026 5.709 ± 0.3762
17 1342 1342/1342 1342 ± 0.00003169 5.699 5.493/6.023 5.73 ± 0.3353
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38529434.eb38589592.59082.86913579861_split_split.ms
overwrite_modelcol
False
Start time
2024-04-13 04:12:29.001
End
2024-04-13 05:03:28.473
Duration
0:50:59.471
Note, WebLog generation is not included in the time.

CASA logs for stage 7