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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.582 5.23/6.244 5.543 ± 1.06
ea02 1342 1342/1342 1342 ± 0.00003688 5.666 5.284/6.464 5.589 ± 1.012
ea03 1342 1342/1342 1342 ± 0 5.456 5.321/6.731 5.827 ± 0.8574
ea04 1342 1342/1342 1342 ± 0.00004653 5.161 4.89/6.002 5.202 ± 0.8192
ea05 1342 1342/1342 1342 ± 0.00005038 5.392 5.079/6.397 5.46 ± 1.016
ea06 1342 1342/1342 1342 ± 0.00002625 5.095 4.858/6.063 5.322 ± 0.8245
ea07 1342 1342/1342 1342 ± 0.00004394 5.21 5.052/6.256 5.389 ± 1.017
ea08 1342 1342/1342 1342 ± 0.0000139 5.769 5.536/6.867 5.882 ± 1.052
ea09 1342 1342/1342 1342 ± 0.00004629 5.21 4.874/6.188 5.286 ± 0.9338
ea10 1342 1342/1342 1342 ± 0.00005093 5.017 4.739/5.919 5.05 ± 0.8673
ea11 1342 1342/1342 1342 ± 0.00005086 5.26 4.7/6.141 5.153 ± 0.9792
ea13 1342 1342/1342 1342 ± 0.00003065 5.418 5.297/6.238 5.473 ± 0.7939
ea14 1342 1342/1342 1342 ± 0.00005025 5.485 5.233/6.541 5.604 ± 1.017
ea15 1342 1342/1342 1342 ± 0.00005032 5.605 5.417/6.685 5.67 ± 1.058
ea16 1342 1342/1342 1342 ± 0.00002466 5.835 5.365/6.783 5.9 ± 0.9804
ea17 1342 1342/1342 1342 ± 0.00004809 5.728 5.305/6.616 5.719 ± 1.134
ea18 1342 1342/1342 1342 ± 0.00001044 5.867 5.682/6.882 5.99 ± 1.002
ea19 1342 1342/1342 1342 ± 0.00004268 5.435 5.266/6.34 5.53 ± 0.8976
ea20 1342 1342/1342 1342 ± 0.00004319 5.411 5.284/6.231 5.492 ± 0.925
ea21 1342 1342/1342 1342 ± 0.00000507 5.158 4.955/5.921 5.336 ± 0.6664
ea22 1342 1342/1342 1342 ± 0.00002491 5.722 5.239/6.542 5.669 ± 1.01
ea23 1342 1342/1342 1342 ± 0.00005011 5.598 5.149/6.362 5.565 ± 1.014
ea24 1342 1342/1342 1342 ± 0.00002161 5.087 4.812/6.241 5.405 ± 0.8634
ea25 1342 1342/1342 1342 ± 0.00001166 5.775 5.451/6.944 6.132 ± 1.005
ea27 1342 1342/1342 1342 ± 0.00002201 5.472 5.038/6.392 5.472 ± 0.8903
ea28 1342 1342/1342 1342 ± 0.00001011 5.727 5.609/6.722 5.842 ± 0.9445
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 ± 0.00002355 5.34 5.043/5.435 5.266 ± 0.2718
5 1342 1342/1342 1342 ± 0.00002813 5.212 4.988/5.405 5.235 ± 0.3323
6 1342 1342/1342 1342 ± 0.00002355 5.281 5.075/5.534 5.28 ± 0.2749
7 1342 1342/1342 1342 ± 0.00002355 5.355 5.106/5.537 5.308 ± 0.2572
8 1342 1342/1342 1342 ± 0.00002355 5.289 5.105/5.556 5.304 ± 0.2779
9 1342 1342/1342 1342 ± 0.00002355 5.586 5.34/5.823 5.594 ± 0.3143
10 1342 1342/1342 1342 ± 0.000024 6.167 5.958/6.276 6.1 ± 0.2926
11 1342 1342/1342 1342 ± 0.00002355 6.394 6.232/6.543 6.395 ± 0.2671
12 1342 1342/1342 1342 ± 0.00002355 6.578 6.318/6.787 6.562 ± 0.3202
13 1342 1342/1342 1342 ± 0.00002376 6.801 6.496/7.113 6.805 ± 0.3823
14 1342 1342/1342 1342 ± 0.00005749 5.385 5.08/5.848 5.603 ± 0.7419
15 1342 1342/1342 1342 ± 0.00002355 6.888 6.44/7.167 6.781 ± 0.4381
16 1342 1342/1342 1342 ± 0.00005948 3.743 3.511/4.076 3.827 ± 0.4129
17 1342 1342/1342 1342 ± 0.00005979 3.684 3.492/3.979 3.764 ± 0.39
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-19 09:52:14.256
End
2025-07-19 10:43:39.412
Duration
0:51:25.155
Note, WebLog generation is not included in the time.

CASA logs for stage 8