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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.907 5.655/6.578 6.129 ± 0.6119
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.809 5.252/6.635 5.954 ± 0.6711
ea06 1342 1342/1342 1342 ± 0 6.097 5.467/6.417 6.025 ± 0.5861
ea07 1342 1342/1342 1342 ± 0 6.127 5.409/6.412 6.052 ± 0.6331
ea08 1342 1342/1342 1342 ± 0.00003105 5.929 5.654/6.677 6.188 ± 0.6478
ea09 1342 1342/1342 1342 ± 0.00002329 5.831 5.355/6.67 5.979 ± 0.6866
ea10 1342 1342/1342 1342 ± 0.000003321 6.111 5.433/6.792 6.154 ± 0.652
ea11 1342 1342/1342 1342 ± 0 6.022 5.392/6.62 6.089 ± 0.6806
ea12 1342 1342/1342 1342 ± 0 6.18 5.55/6.666 6.183 ± 0.6675
ea13 1342 1342/1342 1342 ± 0.00002872 5.844 5.733/6.396 6.102 ± 0.5055
ea14 1342 1342/1342 1342 ± 0 6.365 5.756/6.896 6.41 ± 0.7254
ea15 1342 1342/1342 1342 ± 0 5.678 5.073/6.067 5.616 ± 0.6344
ea16 1342 1342/1342 1342 ± 0 6.401 5.675/6.863 6.402 ± 0.7696
ea17 1342 1342/1342 1342 ± 0 6.552 5.884/7.306 6.601 ± 0.7252
ea18 1342 1342/1342 1342 ± 0 5.039 4.654/5.48 5.08 ± 0.5241
ea19 1342 1342/1342 1342 ± 0 6.505 5.787/7.06 6.496 ± 0.7076
ea20 1342 1342/1342 1342 ± 0.00001321 5.996 5.695/6.903 6.228 ± 0.6529
ea21 1342 1342/1342 1342 ± 0 6.185 5.547/6.592 6.148 ± 0.6333
ea22 1342 1342/1342 1342 ± 0 6.274 5.443/6.673 6.097 ± 0.6838
ea23 1342 1342/1342 1342 ± 0 6.059 5.657/6.749 6.27 ± 0.6995
ea24 1342 1342/1342 1342 ± 0.000001107 5.568 4.962/6.22 5.576 ± 0.6239
ea26 1342 1342/1342 1342 ± 0.000007738 6.103 5.631/6.988 6.278 ± 0.7064
ea27 1342 1342/1342 1342 ± 0.00001534 6.061 5.56/6.974 6.2 ± 0.7373
ea28 1342 1342/1342 1342 ± 0.00002199 6.036 5.748/6.943 6.377 ± 0.7357
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 ± 0.00002439 5.519 5.419/5.69 5.505 ± 0.2996
4 1342 1342/1342 1342 ± 0.00002886 5.319 5.061/5.41 5.204 ± 0.3544
5 1342 1342/1342 1342 ± 0.00002439 5.553 5.284/5.679 5.463 ± 0.3298
6 1342 1342/1342 1342 ± 0.00002439 5.506 5.307/5.651 5.441 ± 0.2735
7 1342 1342/1342 1342 ± 0.00002439 5.546 5.408/5.715 5.512 ± 0.2806
8 1342 1342/1342 1342 ± 0.00002439 5.465 5.331/5.724 5.456 ± 0.3206
9 1342 1342/1342 1342 ± 0.00002439 5.843 5.626/5.978 5.761 ± 0.32
10 1342 1342/1342 1342 ± 0.00002439 6.311 6.186/6.4 6.219 ± 0.3337
11 1342 1342/1342 1342 ± 0.00002439 6.515 6.337/6.684 6.462 ± 0.3413
12 1342 1342/1342 1342 ± 0.00002439 6.671 6.367/6.86 6.618 ± 0.3763
13 1342 1342/1342 1342 ± 0.00002439 7.077 6.911/7.361 7.079 ± 0.4062
14 1342 1342/1342 1342 ± 0.00002439 7.326 7.147/7.563 7.29 ± 0.3974
15 1342 1342/1342 1342 ± 0.00002439 6.964 6.767/7.308 6.943 ± 0.3992
16 1342 1342/1342 1342 ± 0.00002439 6.267 6.029/6.408 6.231 ± 0.3945
17 1342 1342/1342 1342 ± 0.0000471 6.086 5.841/6.377 6.143 ± 0.4111
output_dir
 
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-04-19 04:56:14.918
End
2025-04-19 06:08:35.962
Duration
1:12:21.044
Note, WebLog generation is not included in the time.

CASA logs for stage 8