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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.099 5.747/6.687 6.269 ± 0.6022
ea02 1342 1342/1342 1342 ± 0.00002955 6.147 5.521/6.71 6.085 ± 0.8918
ea03 1342 1342/1342 1342 ± 0.000002131 5.56 5.205/6.507 5.736 ± 0.8375
ea04 1342 1342/1342 1342 ± 0 5.769 5.32/6.499 5.895 ± 0.6008
ea06 1342 1342/1342 1342 ± 0 6.163 5.693/6.641 6.231 ± 0.6071
ea07 1342 1342/1342 1342 ± 0 6.103 5.528/6.478 6.128 ± 0.6164
ea08 1342 1342/1342 1342 ± 0.000001066 6.14 5.776/6.886 6.374 ± 0.7195
ea09 1342 1342/1342 1342 ± 0 6.041 5.52/6.817 6.145 ± 0.6934
ea10 1342 1342/1342 1342 ± 0 6.16 5.556/6.767 6.13 ± 0.7199
ea11 1342 1342/1342 1342 ± 0 6.281 5.492/6.735 6.21 ± 0.7555
ea12 1342 1342/1342 1342 ± 0 6.138 5.628/6.723 6.242 ± 0.755
ea13 1342 1342/1342 1342 ± 0 6.031 5.666/6.517 6.146 ± 0.5882
ea14 1342 1342/1342 1342 ± 0 6.425 5.712/6.902 6.418 ± 0.7005
ea15 1342 1342/1342 1342 ± 0 5.645 5.069/5.993 5.581 ± 0.694
ea16 1342 1342/1342 1342 ± 0 6.219 5.8/6.84 6.356 ± 0.734
ea17 1342 1342/1342 1342 ± 0 6.566 6.21/7.395 6.794 ± 0.6832
ea18 1342 1342/1342 1342 ± 0 4.549 4.298/4.958 4.64 ± 0.4333
ea19 1342 1342/1342 1342 ± 0 6.363 5.87/6.987 6.49 ± 0.724
ea20 1342 1342/1342 1342 ± 0 6.04 5.728/6.765 6.174 ± 0.7636
ea21 1342 1342/1342 1342 ± 0 6.059 5.703/6.651 6.206 ± 0.6174
ea22 1342 1342/1342 1342 ± 0 6.383 5.594/6.818 6.268 ± 0.7288
ea23 1342 1342/1342 1342 ± 0 6.29 5.767/6.711 6.298 ± 0.8027
ea24 1342 1342/1342 1342 ± 0 5.964 5.265/6.452 5.877 ± 0.5735
ea25 1342 1342/1342 1342 ± 0 6.676 5.82/7.183 6.59 ± 0.8086
ea26 1342 1342/1342 1342 ± 0 6.46 5.921/7.256 6.528 ± 0.7131
ea27 1342 1342/1342 1342 ± 0 6.031 5.58/6.904 6.179 ± 0.7847
ea28 1342 1342/1342 1342 ± 0 6.176 5.848/6.974 6.395 ± 0.7957
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 ± 0.00002305 5.722 5.548/5.956 5.667 ± 0.3516
3 1342 1342/1342 1342 ± 0.0000266 4.9 4.569/5.366 4.942 ± 0.6193
4 1342 1342/1342 1342 ± 0.00002436 5.538 5.283/5.682 5.461 ± 0.4611
5 1342 1342/1342 1342 ± 0.00002305 5.737 5.402/5.847 5.619 ± 0.4065
6 1342 1342/1342 1342 ± 0.00002305 5.637 5.391/5.804 5.561 ± 0.3381
7 1342 1342/1342 1342 ± 0.00002305 5.705 5.467/5.816 5.612 ± 0.3474
8 1342 1342/1342 1342 ± 0.00002305 5.598 5.364/5.802 5.556 ± 0.3788
9 1342 1342/1342 1342 ± 0.00002305 5.969 5.747/6.122 5.875 ± 0.4066
10 1342 1342/1342 1342 ± 0.00002305 6.456 6.259/6.55 6.322 ± 0.4253
11 1342 1342/1342 1342 ± 0.00002305 6.648 6.458/6.808 6.549 ± 0.4306
12 1342 1342/1342 1342 ± 0.00002305 6.811 6.58/6.851 6.693 ± 0.4664
13 1342 1342/1342 1342 ± 0.00002305 7.259 7.036/7.502 7.193 ± 0.4969
14 1342 1342/1342 1342 ± 0.00002305 7.493 7.346/7.77 7.421 ± 0.5096
15 1342 1342/1342 1342 ± 0.00002305 7.113 6.948/7.355 7.057 ± 0.4763
16 1342 1342/1342 1342 ± 0.00002305 6.392 6.16/6.683 6.364 ± 0.4676
17 1342 1342/1342 1342 ± 0.00002312 6.448 6.102/6.631 6.32 ± 0.4803
datacolumn
residual_data
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-05-23 19:19:04.238
End
2025-05-23 20:41:43.790
Duration
1:22:39.552
Note, WebLog generation is not included in the time.

CASA logs for stage 8