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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.668 5.301/6.281 5.632 ± 0.7987
ea02 1342 1342/1342 1342 ± 0.00004404 6.081 5.656/6.72 6.03 ± 0.9149
ea04 1342 1342/1342 1342 ± 0.000004915 5.418 5.202/6.055 5.51 ± 0.7695
ea05 1342 1342/1342 1342 ± 0.00001669 5.513 5.214/6.246 5.708 ± 0.7333
ea06 1342 1342/1342 1342 ± 0.00001036 5.179 4.865/5.678 5.134 ± 0.705
ea07 1342 1342/1342 1342 ± 0.00004328 5.983 5.58/6.303 5.78 ± 0.8707
ea09 1342 1342/1342 1342 ± 0.00003504 5.338 4.883/5.721 5.316 ± 0.5717
ea10 1342 1342/1342 1342 ± 0.00004272 5.348 4.995/5.914 5.279 ± 0.7101
ea11 1342 1342/1342 1342 ± 0.00004404 6.138 5.652/6.672 5.95 ± 0.9163
ea12 1342 1342/1342 1342 ± 0.00001421 5.791 5.558/6.656 5.893 ± 0.9855
ea13 1342 1342/1342 1342 ± 0.00002555 5.974 5.665/6.322 5.942 ± 0.6865
ea14 1342 1342/1342 1342 ± 0.00002499 5.777 5.531/6.643 5.902 ± 0.8026
ea15 1342 1342/1342 1342 ± 0.000005991 5.763 5.334/6.535 5.819 ± 0.92
ea16 1342 1342/1342 1342 ± 0.00002569 5.863 5.557/6.794 5.964 ± 0.9051
ea17 1342 1342/1342 1342 ± 0.00004423 6.121 5.617/6.973 6.032 ± 0.9632
ea18 1342 1342/1342 1342 ± 0.0000403 5.154 5/5.9 5.228 ± 0.7074
ea19 1342 1342/1342 1342 ± 0.000002199 5.752 5.621/6.509 5.959 ± 0.7305
ea20 1342 1342/1342 1342 ± 0.00002796 6.217 5.958/7.056 6.235 ± 1.078
ea21 1342 1342/1342 1342 ± 0.00002397 5.601 5.249/6.293 5.653 ± 0.7585
ea22 1342 1342/1342 1342 ± 0.00004195 5.679 5.164/6.519 5.727 ± 0.8485
ea23 1342 1342/1342 1342 ± 0.00003711 6.022 5.489/6.687 5.935 ± 0.9652
ea24 1342 1342/1342 1342 ± 0.00002285 5.267 4.872/6.067 5.426 ± 0.6436
ea25 1342 1342/1342 1342 ± 0.00004292 5.805 5.319/6.42 5.696 ± 0.8564
ea26 1342 1342/1342 1342 ± 0.00003938 5.939 5.608/6.877 6.091 ± 0.8423
ea27 1342 1342/1342 1342 ± 0.00004334 5.796 5.406/6.7 5.815 ± 0.9234
ea28 1342 1342/1342 1342 ± 0.00004322 5.818 5.683/6.721 5.971 ± 0.9481
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 ± 0.00002352 5.412 5.22/5.594 5.364 ± 0.3104
5 1342 1342/1342 1342 ± 0.00002548 5.367 5.156/5.593 5.332 ± 0.2721
6 1342 1342/1342 1342 ± 0.00002352 5.668 5.328/5.789 5.567 ± 0.2943
7 1342 1342/1342 1342 ± 0.00002352 5.628 5.408/5.778 5.568 ± 0.301
8 1342 1342/1342 1342 ± 0.00002352 5.55 5.198/5.679 5.475 ± 0.3332
9 1342 1342/1342 1342 ± 0.00002352 5.76 5.403/5.89 5.673 ± 0.3364
10 1342 1342/1342 1342 ± 0.00002352 6.149 5.866/6.26 6.063 ± 0.3196
11 1342 1342/1342 1342 ± 0.00002352 6.372 6.054/6.606 6.335 ± 0.3253
12 1342 1342/1342 1342 ± 0.00002352 6.52 6.283/6.722 6.486 ± 0.373
13 1342 1342/1342 1342 ± 0.00002352 6.886 6.557/7.096 6.787 ± 0.4241
14 1342 1342/1342 1342 ± 0.00002353 6.799 6.508/7.122 6.763 ± 0.4553
15 1342 1342/1342 1342 ± 0.00002482 6.632 6.109/6.877 6.513 ± 0.4566
16 1342 1342/1342 1342 ± 0.00006037 4.122 3.929/4.378 4.159 ± 0.3148
17 1342 1342/1342 1342 ± 0.0000603 4.194 3.998/4.486 4.245 ± 0.331
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-04-20 15:13:45.959
End
2024-04-20 16:05:31.498
Duration
0:51:45.540
Note, WebLog generation is not included in the time.

CASA logs for stage 7