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 5.539 5.274/6.276 5.512 ± 1.003
ea02 1342 1342/1342 1342 ± 0.00004016 5.593 5.287/6.477 5.597 ± 0.9639
ea03 1342 1342/1342 1342 ± 0.000001196 5.391 5.317/6.334 5.645 ± 0.7642
ea04 1342 1342/1342 1342 ± 0.000046 5.203 4.765/6.077 5.195 ± 0.8635
ea05 1342 1342/1342 1342 ± 0.00004962 5.44 5.059/6.502 5.465 ± 0.9862
ea06 1342 1342/1342 1342 ± 0.00002379 4.999 4.745/6.03 5.159 ± 0.8377
ea07 1342 1342/1342 1342 ± 0.00004155 5.208 5.069/6.32 5.418 ± 0.9672
ea08 1342 1342/1342 1342 ± 0.00002365 5.773 5.265/6.904 5.827 ± 1.093
ea09 1342 1342/1342 1342 ± 0.0000456 5.133 4.823/6.101 5.238 ± 0.8817
ea10 1342 1342/1342 1342 ± 0.00004485 4.995 4.688/5.987 5.046 ± 0.8734
ea11 1342 1342/1342 1342 ± 0.00005179 5.21 4.524/6.102 5.081 ± 0.9806
ea13 1342 1342/1342 1342 ± 0.000009613 5.403 5.256/6.32 5.572 ± 0.6559
ea14 1342 1342/1342 1342 ± 0.00004771 5.49 5.297/6.587 5.58 ± 1.004
ea15 1342 1342/1342 1342 ± 0.00004999 5.51 5.134/6.607 5.552 ± 1.015
ea16 1342 1342/1342 1342 ± 0.00002116 5.731 5.351/6.564 5.727 ± 0.9486
ea17 1342 1342/1342 1342 ± 0.00004177 5.722 5.225/6.673 5.709 ± 1.09
ea18 1342 1342/1342 1342 ± 0.00001565 5.882 5.576/6.967 5.951 ± 1.106
ea19 1342 1342/1342 1342 ± 0.00003874 5.42 5.261/6.45 5.459 ± 0.9674
ea20 1342 1342/1342 1342 ± 0.00002678 5.47 5.34/6.237 5.6 ± 0.7277
ea21 1342 1342/1342 1342 ± 0.000005476 5.117 4.861/5.686 5.156 ± 0.6232
ea22 1342 1342/1342 1342 ± 0.00003423 5.72 5.202/6.656 5.71 ± 1.039
ea23 1342 1342/1342 1342 ± 0.00004608 5.593 5.098/6.324 5.475 ± 0.9598
ea24 1342 1342/1342 1342 ± 0.000002482 5.186 5.081/6.498 5.565 ± 0.7381
ea25 1342 1342/1342 1342 ± 0.00001231 5.772 5.377/6.808 6.005 ± 0.8789
ea27 1342 1342/1342 1342 ± 0.00001604 5.247 4.825/6.34 5.385 ± 0.9423
ea28 1342 1342/1342 1342 ± 0 5.76 5.673/6.645 5.991 ± 0.7976
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 ± 0.0000235 5.301 5.039/5.4 5.236 ± 0.2688
5 1342 1342/1342 1342 ± 0.00003006 5.243 5.073/5.565 5.292 ± 0.3675
6 1342 1342/1342 1342 ± 0.0000235 5.332 5.107/5.543 5.31 ± 0.2849
7 1342 1342/1342 1342 ± 0.0000235 5.35 5.137/5.544 5.304 ± 0.2772
8 1342 1342/1342 1342 ± 0.0000235 5.347 5.159/5.501 5.325 ± 0.2761
9 1342 1342/1342 1342 ± 0.0000235 5.484 5.326/5.761 5.517 ± 0.3115
10 1342 1342/1342 1342 ± 0.00002392 6.227 5.92/6.331 6.157 ± 0.3108
11 1342 1342/1342 1342 ± 0.00002348 6.494 6.265/6.649 6.448 ± 0.2811
12 1342 1342/1342 1342 ± 0.00002348 6.646 6.4/6.84 6.613 ± 0.3351
13 1342 1342/1342 1342 ± 0.00002366 6.686 6.385/6.929 6.689 ± 0.4095
14 1342 1342/1342 1342 ± 0.00005214 4.929 4.506/5.476 5.091 ± 0.7304
15 1342 1342/1342 1342 ± 0.00002348 6.673 6.135/6.986 6.574 ± 0.4969
16 1342 1342/1342 1342 ± 0.00006076 3.83 3.699/4.192 3.98 ± 0.4288
17 1342 1342/1342 1342 ± 0.00006069 3.706 3.532/4.065 3.808 ± 0.3863
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
Start time
2025-07-19 20:49:34.703
End
2025-07-19 21:53:30.030
Duration
1:03:55.327
Note, WebLog generation is not included in the time.

CASA logs for stage 8