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

Statwt Summary Plot

VLASS2.1.sb38624155.eb38643756.59104.68707053241_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 5.77 5.217/6.084 5.608 ± 0.6033
ea02 1342 1342/1342 1342 ± 0.00003262 5.907 5.297/6.577 5.915 ± 0.8805
ea04 1342 1342/1342 1342 ± 0.00003269 5.008 4.783/5.852 5.191 ± 0.7152
ea05 1342 1342/1342 1342 ± 0.00002946 5.509 5.128/6.422 5.666 ± 0.8079
ea06 1342 1342/1342 1342 ± 0.00003169 4.851 4.647/5.417 4.932 ± 0.6153
ea07 1342 1342/1342 1342 ± 0.00001626 6.012 5.305/6.518 5.89 ± 0.6302
ea08 1342 1342/1342 1342 ± 0.00002024 6.093 5.659/6.812 6.251 ± 0.813
ea09 1342 1342/1342 1342 ± 0.00003122 5.555 5.071/6.404 5.572 ± 0.9307
ea10 1342 1342/1342 1342 ± 0.00002331 5.79 5.268/6.536 5.872 ± 0.7383
ea11 1342 1342/1342 1342 ± 0.00002069 5.784 5.147/6.391 5.709 ± 0.7952
ea12 1342 1342/1342 1342 ± 0.00003089 5.463 5.159/6.24 5.546 ± 0.8104
ea13 1342 1342/1342 1342 ± 0.00002759 5.696 5.522/6.176 5.793 ± 0.8256
ea14 1342 1342/1342 1342 ± 0.00002687 5.551 5.051/6.373 5.608 ± 0.9063
ea15 1342 1342/1342 1342 ± 0.00002968 5.341 4.988/6.154 5.489 ± 0.9205
ea16 1342 1342/1342 1342 ± 0.0000263 5.898 5.502/6.811 6.034 ± 1.019
ea17 1342 1342/1342 1342 ± 0.00002456 5.791 5.418/6.673 5.965 ± 0.7139
ea18 1342 1342/1342 1342 ± 0.00002179 4.771 4.54/5.256 4.843 ± 0.5161
ea19 1342 1342/1342 1342 ± 0.00001815 5.876 5.506/6.79 6.029 ± 0.8845
ea20 1342 1342/1342 1342 ± 0.00002959 5.7 5.545/6.458 5.882 ± 0.7996
ea21 1342 1342/1342 1342 ± 0.00002282 5.571 5.329/6.286 5.698 ± 0.8049
ea22 1342 1342/1342 1342 ± 0.00003093 5.255 5.04/6.148 5.412 ± 0.9151
ea23 1342 1342/1342 1342 ± 0.00002013 5.958 5.391/6.465 5.929 ± 0.7942
ea25 1342 1342/1342 1342 ± 0.00001461 5.659 5.277/6.334 5.771 ± 0.5818
ea26 1342 1342/1342 1342 ± 0.00003066 5.804 5.561/6.825 5.966 ± 0.9887
ea27 1342 1342/1342 1342 ± 0.00002075 5.843 5.237/6.24 5.648 ± 0.6118
ea28 1342 1342/1342 1342 ± 0.00002248 5.733 5.407/6.532 5.856 ± 0.8783
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 ± 0.00002365 5.337 5.227/5.572 5.354 ± 0.2843
3 1342 1342/1342 1342 ± 0.00003662 4.558 4.168/5.029 4.613 ± 0.5388
5 1342 1342/1342 1342 ± 0.00002459 5.24 4.989/5.386 5.188 ± 0.3531
6 1342 1342/1342 1342 ± 0.00002348 5.25 5.065/5.375 5.212 ± 0.2988
7 1342 1342/1342 1342 ± 0.00002365 5.234 5.114/5.479 5.242 ± 0.2708
8 1342 1342/1342 1342 ± 0.00002365 5.278 5.057/5.465 5.222 ± 0.3018
9 1342 1342/1342 1342 ± 0.00002365 5.615 5.33/5.781 5.529 ± 0.3371
10 1342 1342/1342 1342 ± 0.00002365 5.984 5.783/6.136 5.926 ± 0.3459
11 1342 1342/1342 1342 ± 0.00002366 6.146 6.052/6.387 6.156 ± 0.3419
12 1342 1342/1342 1342 ± 0.00002393 6.409 6.172/6.633 6.372 ± 0.3655
13 1342 1342/1342 1342 ± 0.00002365 6.648 6.365/6.851 6.573 ± 0.4547
14 1342 1342/1342 1342 ± 0.00002496 6.686 6.286/7.022 6.622 ± 0.5899
15 1342 1342/1342 1342 ± 0.00003662 6.67 6.441/6.857 6.558 ± 0.565
16 1342 1342/1342 1342 ± 0.0000515 3.396 3.214/3.593 3.407 ± 0.2891
17 1342 1342/1342 1342 ± 0.00004761 3.614 3.429/3.794 3.625 ± 0.3406
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38624155.eb38643756.59104.68707053241_split_split.ms
overwrite_modelcol
False
Start time
2025-01-18 21:41:45.741
End
2025-01-18 22:46:57.339
Duration
1:05:11.599
Note, WebLog generation is not included in the time.

CASA logs for stage 8