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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 4.865 4.729/5.688 4.952 ± 0.9805
ea02 1342 1342/1342 1342 ± 0.00004242 5.378 4.981/6.232 5.361 ± 1.096
ea04 1342 1342/1342 1342 ± 0.00002222 5.051 4.665/5.865 5.044 ± 1.004
ea05 1342 1342/1342 1342 ± 0.000005383 5.527 5.049/6.157 5.482 ± 0.8619
ea06 1342 1342/1342 1342 ± 0.00003425 4.779 4.621/5.591 4.867 ± 0.9236
ea07 1342 1342/1342 1342 ± 0.00004356 5.247 4.865/5.898 5.172 ± 1.01
ea08 1342 1342/1342 1342 ± 0.00004378 5.386 5.189/6.546 5.539 ± 1.199
ea09 1342 1342/1342 1342 ± 0.000007041 5.338 4.914/6.055 5.28 ± 0.9058
ea10 1342 1342/1342 1342 ± 0.00004531 4.875 4.791/6.189 5.125 ± 1.052
ea11 1342 1342/1342 1342 ± 0.00004267 5.385 4.77/6.166 5.203 ± 1.067
ea12 1342 1342/1342 1342 ± 0.00004047 5.244 4.902/6.346 5.334 ± 1.141
ea13 1342 1342/1342 1342 ± 0.00001671 5.764 5.445/6.274 5.683 ± 0.9136
ea14 1342 1342/1342 1342 ± 0.00001138 5.266 4.921/6.343 5.332 ± 1.06
ea15 1342 1342/1342 1342 ± 0.00001186 5.11 4.886/6.114 5.286 ± 1.109
ea16 1342 1342/1342 1342 ± 0.00002252 5.348 5.112/6.033 5.334 ± 1.016
ea17 1342 1342/1342 1342 ± 0.00004567 5.476 5.012/6.335 5.411 ± 1.161
ea18 1342 1342/1342 1342 ± 0.00004351 4.724 4.236/5.584 4.686 ± 0.8878
ea19 1342 1342/1342 1342 ± 0 5.785 5.343/6.373 5.658 ± 0.9031
ea20 1342 1342/1342 1342 ± 0.00004269 5.574 5.203/6.798 5.635 ± 1.206
ea21 1342 1342/1342 1342 ± 0.00001571 5.252 5.132/6.073 5.284 ± 0.8999
ea22 1342 1342/1342 1342 ± 0.00003528 5.154 4.866/6.236 5.306 ± 1.057
ea23 1342 1342/1342 1342 ± 0.00004181 5.235 4.894/6.187 5.311 ± 1.091
ea25 1342 1342/1342 1342 ± 0.00004433 5.026 4.736/5.946 5.088 ± 1.01
ea27 1342 1342/1342 1342 ± 0.00004574 4.93 4.784/6.149 5.084 ± 1.058
ea28 1342 1342/1342 1342 ± 0.00004609 5.169 4.931/6.239 5.246 ± 1.117
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 ± 0.00002405 5.079 4.874/5.251 5.099 ± 0.3072
5 1342 1342/1342 1342 ± 0.00002496 4.823 4.691/5.225 4.937 ± 0.3703
6 1342 1342/1342 1342 ± 0.00002405 4.919 4.858/5.116 4.953 ± 0.2696
7 1342 1342/1342 1342 ± 0.00002405 4.98 4.865/5.143 5.007 ± 0.2243
8 1342 1342/1342 1342 ± 0.00002405 5.055 4.814/5.221 5.037 ± 0.2396
9 1342 1342/1342 1342 ± 0.00002405 5.371 5.202/5.54 5.325 ± 0.2797
10 1342 1342/1342 1342 ± 0.00002405 5.839 5.694/5.941 5.806 ± 0.2842
11 1342 1342/1342 1342 ± 0.00002405 6.168 6.029/6.244 6.102 ± 0.2951
12 1342 1342/1342 1342 ± 0.00002405 6.341 6.136/6.458 6.296 ± 0.2992
13 1342 1342/1342 1342 ± 0.00002422 6.378 6.196/6.647 6.392 ± 0.3323
14 1342 1342/1342 1342 ± 0.00003981 5.769 5.446/6.13 5.838 ± 0.5522
15 1342 1342/1342 1342 ± 0.00002405 6.612 6.382/6.799 6.539 ± 0.3871
16 1342 1342/1342 1342 ± 0.00005704 3.049 2.89/3.292 3.11 ± 0.3609
17 1342 1342/1342 1342 ± 0.00005994 3.213 3.082/3.402 3.293 ± 0.3119
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-21 04:33:02.768
End
2024-12-21 04:54:16.493
Duration
0:21:13.726
Note, WebLog generation is not included in the time.

CASA logs for stage 8