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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.434 5.35/6.13 5.599 ± 0.7466
ea02 1342 1342/1342 1342 ± 0.00003977 6.036 5.452/6.732 5.951 ± 0.9421
ea04 1342 1342/1342 1342 ± 0.00004105 5.374 5.059/6.111 5.315 ± 0.8796
ea05 1342 1342/1342 1342 ± 0.00002235 5.4 5.079/6.142 5.527 ± 0.7566
ea06 1342 1342/1342 1342 ± 0.00004237 5.233 4.846/5.74 5.06 ± 0.7883
ea07 1342 1342/1342 1342 ± 0.00003838 5.878 5.378/6.254 5.737 ± 0.7789
ea09 1342 1342/1342 1342 ± 0.00003518 5.461 5.086/5.957 5.372 ± 0.7012
ea10 1342 1342/1342 1342 ± 0.00003765 5.276 4.808/5.866 5.222 ± 0.6769
ea11 1342 1342/1342 1342 ± 0.00004088 6.072 5.406/6.648 5.816 ± 0.9537
ea12 1342 1342/1342 1342 ± 0.00004216 5.822 5.446/6.603 5.766 ± 1.016
ea13 1342 1342/1342 1342 ± 0.00002364 5.755 5.614/6.28 5.826 ± 0.7803
ea14 1342 1342/1342 1342 ± 0.00002979 5.767 5.321/6.672 5.857 ± 0.8906
ea15 1342 1342/1342 1342 ± 0.00003783 5.653 5.258/6.413 5.579 ± 1.037
ea16 1342 1342/1342 1342 ± 0.00002932 5.909 5.494/6.8 5.915 ± 0.9687
ea17 1342 1342/1342 1342 ± 0.00004204 6.031 5.529/6.798 5.996 ± 0.9219
ea18 1342 1342/1342 1342 ± 0.00004115 5.1 4.763/5.645 5.055 ± 0.7585
ea19 1342 1342/1342 1342 ± 0.00001124 5.702 5.47/6.491 5.857 ± 0.8134
ea20 1342 1342/1342 1342 ± 0.00004155 6.145 5.77/6.979 6.103 ± 1.06
ea21 1342 1342/1342 1342 ± 0.00002782 5.581 5.284/6.329 5.615 ± 0.8289
ea22 1342 1342/1342 1342 ± 0.00004103 5.492 5.197/6.486 5.665 ± 0.915
ea23 1342 1342/1342 1342 ± 0.00003511 5.945 5.44/6.667 5.894 ± 0.9597
ea24 1342 1342/1342 1342 ± 0.00001983 5.247 4.81/6.033 5.327 ± 0.7073
ea25 1342 1342/1342 1342 ± 0.00004067 5.749 5.318/6.408 5.676 ± 0.8607
ea26 1342 1342/1342 1342 ± 0.00003728 5.827 5.59/6.789 5.941 ± 0.9008
ea27 1342 1342/1342 1342 ± 0.00003881 5.704 5.336/6.574 5.761 ± 0.8396
ea28 1342 1342/1342 1342 ± 0.00003943 5.844 5.555/6.757 5.99 ± 0.9385
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 ± 0.0000235 5.431 5.253/5.66 5.426 ± 0.3189
3 1342 1342/1342 1342 ± 0.00004883 5.396 5.201/5.723 5.47 ± 0.3393
5 1342 1342/1342 1342 ± 0.00002351 5.337 5.099/5.495 5.305 ± 0.3418
6 1342 1342/1342 1342 ± 0.0000235 5.382 5.087/5.551 5.335 ± 0.2694
7 1342 1342/1342 1342 ± 0.0000235 5.427 5.204/5.568 5.375 ± 0.2843
8 1342 1342/1342 1342 ± 0.0000235 5.405 5.082/5.558 5.349 ± 0.322
9 1342 1342/1342 1342 ± 0.0000235 5.714 5.402/5.879 5.646 ± 0.3126
10 1342 1342/1342 1342 ± 0.0000235 6.115 5.802/6.212 6.025 ± 0.3009
11 1342 1342/1342 1342 ± 0.0000235 6.405 6.032/6.551 6.315 ± 0.2986
12 1342 1342/1342 1342 ± 0.0000235 6.482 6.253/6.733 6.485 ± 0.3433
13 1342 1342/1342 1342 ± 0.0000235 6.74 6.394/7.008 6.669 ± 0.4129
14 1342 1342/1342 1342 ± 0.00002638 6.614 6.253/6.942 6.551 ± 0.5149
15 1342 1342/1342 1342 ± 0.00002534 6.744 6.151/7.013 6.593 ± 0.4956
16 1342 1342/1342 1342 ± 0.00005285 3.851 3.608/4.087 3.851 ± 0.3179
17 1342 1342/1342 1342 ± 0.00005421 4.024 3.719/4.337 4.049 ± 0.4451
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-05-18 10:06:33.178
End
2024-05-18 11:11:12.129
Duration
1:04:38.950
Note, WebLog generation is not included in the time.

CASA logs for stage 8