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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.345 5.29/6.204 5.589 ± 0.7449
ea02 1342 1342/1342 1342 ± 0.00004218 5.9 5.371/6.744 5.925 ± 0.9971
ea04 1342 1342/1342 1342 ± 0.00002248 5.338 5.003/6.049 5.386 ± 0.8058
ea05 1342 1342/1342 1342 ± 0.00001818 5.499 5.045/6.285 5.643 ± 0.7778
ea06 1342 1342/1342 1342 ± 0.00002651 4.951 4.642/5.349 4.846 ± 0.6474
ea07 1342 1342/1342 1342 ± 0.00003364 5.925 5.483/6.376 5.897 ± 0.7812
ea08 1342 1342/1342 1342 ± 0.00003366 5.998 5.651/6.899 6.194 ± 0.9263
ea09 1342 1342/1342 1342 ± 0.00003628 5.575 5.114/6.55 5.693 ± 0.8524
ea10 1342 1342/1342 1342 ± 0.00003398 5.937 5.354/6.689 5.911 ± 0.8721
ea11 1342 1342/1342 1342 ± 0.00004236 5.765 5.148/6.526 5.617 ± 0.9564
ea12 1342 1342/1342 1342 ± 0.00003196 5.689 5.316/6.56 5.722 ± 0.9816
ea13 1342 1342/1342 1342 ± 0.00002994 6.097 5.636/6.469 6.038 ± 0.8185
ea14 1342 1342/1342 1342 ± 0.00003199 5.523 5.117/6.443 5.648 ± 0.8127
ea15 1342 1342/1342 1342 ± 0 5.324 5.113/6.281 5.535 ± 0.9123
ea16 1342 1342/1342 1342 ± 0.00002981 5.872 5.467/6.903 6.015 ± 0.9499
ea17 1342 1342/1342 1342 ± 0.00003626 5.897 5.496/6.978 6 ± 0.9117
ea18 1342 1342/1342 1342 ± 0.00003505 5.076 4.754/5.742 5.113 ± 0.6347
ea19 1342 1342/1342 1342 ± 0.00001814 5.794 5.51/6.82 6.021 ± 0.8481
ea20 1342 1342/1342 1342 ± 0.0000359 5.842 5.566/6.964 6.014 ± 1.026
ea21 1342 1342/1342 1342 ± 0.00002483 5.568 5.372/6.374 5.668 ± 0.7904
ea22 1342 1342/1342 1342 ± 0.00003469 5.373 5.158/6.472 5.699 ± 0.7912
ea23 1342 1342/1342 1342 ± 0.00003667 5.856 5.488/6.643 5.84 ± 0.9182
ea25 1342 1342/1342 1342 ± 0.0000344 5.552 5.219/6.378 5.62 ± 0.7826
ea26 1342 1342/1342 1342 ± 0.00003588 5.894 5.673/6.964 6.094 ± 0.9189
ea27 1342 1342/1342 1342 ± 0.0000335 5.591 5.368/6.517 5.745 ± 0.8067
ea28 1342 1342/1342 1342 ± 0.0000426 5.731 5.409/6.637 5.809 ± 0.9524
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 ± 0.00002348 5.467 5.312/5.769 5.49 ± 0.2849
5 1342 1342/1342 1342 ± 0.00002517 5.323 5.113/5.5 5.327 ± 0.2748
6 1342 1342/1342 1342 ± 0.00002348 5.372 5.147/5.549 5.33 ± 0.2873
7 1342 1342/1342 1342 ± 0.00002348 5.373 5.166/5.536 5.35 ± 0.2734
8 1342 1342/1342 1342 ± 0.00002348 5.364 5.143/5.489 5.302 ± 0.2994
9 1342 1342/1342 1342 ± 0.00002424 5.643 5.425/5.89 5.608 ± 0.2984
10 1342 1342/1342 1342 ± 0.00002348 6.087 5.865/6.257 6.048 ± 0.336
11 1342 1342/1342 1342 ± 0.00002348 6.396 6.237/6.526 6.328 ± 0.3455
12 1342 1342/1342 1342 ± 0.00002348 6.559 6.378/6.768 6.529 ± 0.3743
13 1342 1342/1342 1342 ± 0.00002348 6.933 6.712/7.097 6.861 ± 0.4014
14 1342 1342/1342 1342 ± 0.00002403 6.823 6.559/7.161 6.794 ± 0.5038
15 1342 1342/1342 1342 ± 0.00002469 6.715 6.442/6.976 6.653 ± 0.4854
16 1342 1342/1342 1342 ± 0.00005926 4.085 3.907/4.363 4.12 ± 0.3273
17 1342 1342/1342 1342 ± 0.000059 4.036 3.85/4.362 4.115 ± 0.3755
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-01 18:36:19.743
End
2024-11-01 19:42:32.773
Duration
1:06:13.029
Note, WebLog generation is not included in the time.

CASA logs for stage 8