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 5.89 5.638/6.59 6.129 ± 0.6124
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.000005566 5.831 5.267/6.615 5.962 ± 0.6654
ea06 1342 1342/1342 1342 ± 0 6.26 5.482/6.473 6.077 ± 0.5938
ea07 1342 1342/1342 1342 ± 0 6.129 5.385/6.411 6.054 ± 0.6448
ea08 1342 1342/1342 1342 ± 0.00003144 5.944 5.662/6.671 6.195 ± 0.6516
ea09 1342 1342/1342 1342 ± 0.00002365 5.825 5.327/6.693 5.964 ± 0.6923
ea10 1342 1342/1342 1342 ± 0 6.125 5.399/6.759 6.137 ± 0.6622
ea11 1342 1342/1342 1342 ± 0 5.975 5.377/6.599 6.077 ± 0.6734
ea12 1342 1342/1342 1342 ± 0 6.186 5.519/6.64 6.164 ± 0.649
ea13 1342 1342/1342 1342 ± 0.00003104 5.819 5.706/6.379 6.079 ± 0.5105
ea14 1342 1342/1342 1342 ± 0 6.381 5.626/6.897 6.356 ± 0.7474
ea15 1342 1342/1342 1342 ± 0 5.641 5.026/6.007 5.583 ± 0.6227
ea16 1342 1342/1342 1342 ± 0 6.408 5.666/6.846 6.403 ± 0.7758
ea17 1342 1342/1342 1342 ± 0 6.549 5.893/7.333 6.598 ± 0.7318
ea18 1342 1342/1342 1342 ± 0 5.047 4.661/5.484 5.083 ± 0.5241
ea19 1342 1342/1342 1342 ± 0 6.621 5.785/7.064 6.536 ± 0.7
ea20 1342 1342/1342 1342 ± 0.00001743 5.946 5.687/6.877 6.182 ± 0.6494
ea21 1342 1342/1342 1342 ± 0 6.21 5.556/6.599 6.159 ± 0.6414
ea22 1342 1342/1342 1342 ± 0 6.263 5.447/6.672 6.06 ± 0.7188
ea23 1342 1342/1342 1342 ± 0 6.032 5.622/6.722 6.252 ± 0.7013
ea24 1342 1342/1342 1342 ± 0.000003812 5.556 4.999/6.205 5.579 ± 0.6206
ea26 1342 1342/1342 1342 ± 0.00000896 6.08 5.606/7.016 6.272 ± 0.7107
ea27 1342 1342/1342 1342 ± 0.00001173 6.093 5.533/6.941 6.189 ± 0.7339
ea28 1342 1342/1342 1342 ± 0.00002421 6.025 5.732/6.897 6.35 ± 0.7352
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 ± 0.00002442 5.51 5.412/5.697 5.498 ± 0.2875
4 1342 1342/1342 1342 ± 0.00002875 5.301 5.009/5.449 5.189 ± 0.3761
5 1342 1342/1342 1342 ± 0.00002442 5.516 5.276/5.639 5.448 ± 0.3245
6 1342 1342/1342 1342 ± 0.00002442 5.445 5.276/5.626 5.418 ± 0.2667
7 1342 1342/1342 1342 ± 0.00002442 5.524 5.392/5.696 5.503 ± 0.2763
8 1342 1342/1342 1342 ± 0.00002442 5.447 5.242/5.719 5.447 ± 0.3145
9 1342 1342/1342 1342 ± 0.00002442 5.837 5.616/5.96 5.753 ± 0.3141
10 1342 1342/1342 1342 ± 0.00002442 6.319 6.183/6.398 6.213 ± 0.3336
11 1342 1342/1342 1342 ± 0.00002442 6.505 6.285/6.681 6.457 ± 0.3383
12 1342 1342/1342 1342 ± 0.00002442 6.66 6.358/6.858 6.61 ± 0.3792
13 1342 1342/1342 1342 ± 0.00002442 7.094 6.922/7.344 7.07 ± 0.4006
14 1342 1342/1342 1342 ± 0.00002442 7.317 7.121/7.578 7.281 ± 0.4
15 1342 1342/1342 1342 ± 0.00002442 6.956 6.742/7.312 6.944 ± 0.4028
16 1342 1342/1342 1342 ± 0.00002442 6.241 6.006/6.406 6.229 ± 0.3942
17 1342 1342/1342 1342 ± 0.00004853 6.093 5.857/6.388 6.14 ± 0.418
statwtmode
VLASS-SE
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-04-18 11:36:20.529
End
2025-04-18 12:08:54.878
Duration
0:32:34.348
Note, WebLog generation is not included in the time.

CASA logs for stage 8