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 5.893 5.674/6.658 6.207 ± 0.6115
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.844 5.341/6.593 5.992 ± 0.6592
ea06 1342 1342/1342 1342 ± 0 6.171 5.558/6.492 6.085 ± 0.5854
ea07 1342 1342/1342 1342 ± 0 6.204 5.577/6.469 6.154 ± 0.6234
ea08 1342 1342/1342 1342 ± 0.00002358 6.007 5.79/6.77 6.297 ± 0.6363
ea09 1342 1342/1342 1342 ± 0.000006111 5.973 5.47/6.757 6.114 ± 0.6683
ea10 1342 1342/1342 1342 ± 0.00001244 6.077 5.601/6.86 6.223 ± 0.6332
ea11 1342 1342/1342 1342 ± 0 6.091 5.461/6.7 6.161 ± 0.7008
ea12 1342 1342/1342 1342 ± 0 6.249 5.668/6.751 6.299 ± 0.6783
ea13 1342 1342/1342 1342 ± 0.00001126 5.949 5.865/6.497 6.193 ± 0.5018
ea14 1342 1342/1342 1342 ± 0 6.52 5.871/6.908 6.509 ± 0.6936
ea15 1342 1342/1342 1342 ± 0 5.772 5.186/6.13 5.704 ± 0.6517
ea16 1342 1342/1342 1342 ± 0 6.484 5.798/6.912 6.488 ± 0.7621
ea17 1342 1342/1342 1342 ± 0 6.648 6.002/7.401 6.693 ± 0.7101
ea18 1342 1342/1342 1342 ± 0 5.109 4.733/5.541 5.137 ± 0.5374
ea19 1342 1342/1342 1342 ± 0 6.595 5.876/7.146 6.523 ± 0.7271
ea20 1342 1342/1342 1342 ± 0 6.066 5.82/6.965 6.354 ± 0.6167
ea21 1342 1342/1342 1342 ± 0 6.148 5.624/6.641 6.201 ± 0.6264
ea22 1342 1342/1342 1342 ± 0 6.293 5.705/6.747 6.218 ± 0.6525
ea23 1342 1342/1342 1342 ± 0 6.179 5.757/6.851 6.358 ± 0.7054
ea24 1342 1342/1342 1342 ± 0 5.611 5.066/6.26 5.618 ± 0.6288
ea26 1342 1342/1342 1342 ± 0 6.281 5.834/7.052 6.408 ± 0.6792
ea27 1342 1342/1342 1342 ± 0.000006021 6.052 5.69/7.093 6.294 ± 0.7464
ea28 1342 1342/1342 1342 ± 0.000003112 6.081 5.816/7.026 6.442 ± 0.7319
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 ± 0.00002443 5.616 5.535/5.814 5.613 ± 0.3164
4 1342 1342/1342 1342 ± 0.00003159 5.359 5.164/5.512 5.213 ± 0.4319
5 1342 1342/1342 1342 ± 0.00002443 5.686 5.378/5.849 5.582 ± 0.3418
6 1342 1342/1342 1342 ± 0.00002443 5.634 5.395/5.764 5.546 ± 0.2832
7 1342 1342/1342 1342 ± 0.00002443 5.642 5.505/5.836 5.606 ± 0.2897
8 1342 1342/1342 1342 ± 0.00002443 5.571 5.452/5.817 5.544 ± 0.3258
9 1342 1342/1342 1342 ± 0.00002443 5.941 5.738/6.066 5.839 ± 0.3293
10 1342 1342/1342 1342 ± 0.00002443 6.388 6.265/6.495 6.299 ± 0.3395
11 1342 1342/1342 1342 ± 0.00002443 6.589 6.45/6.777 6.538 ± 0.351
12 1342 1342/1342 1342 ± 0.00002443 6.75 6.463/6.955 6.695 ± 0.3846
13 1342 1342/1342 1342 ± 0.00002443 7.177 6.983/7.488 7.168 ± 0.4182
14 1342 1342/1342 1342 ± 0.00002443 7.393 7.196/7.66 7.374 ± 0.4067
15 1342 1342/1342 1342 ± 0.00002443 7.035 6.841/7.395 7.024 ± 0.4079
16 1342 1342/1342 1342 ± 0.00002443 6.241 6.059/6.463 6.263 ± 0.3809
17 1342 1342/1342 1342 ± 0.00003304 6.139 5.934/6.39 6.162 ± 0.3693
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
statwtmode
VLASS-SE
Start time
2025-04-18 16:01:19.572
End
2025-04-18 17:07:13.503
Duration
1:05:53.931
Note, WebLog generation is not included in the time.

CASA logs for stage 8