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

Statwt Summary Plot

VLASS2.1.sb38458451.eb38565931.59072.733167094906_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 4.983 4.859/5.687 5.257 ± 0.5156
ea02 1342 1342/1342 1342 ± 0.00003333 5.231 4.974/6.171 5.549 ± 0.6442
ea05 1342 1342/1342 1342 ± 0.000004319 5.249 4.925/6.052 5.463 ± 0.6208
ea06 1342 1342/1342 1342 ± 0.00001393 4.792 4.611/5.314 4.956 ± 0.47
ea07 1342 1342/1342 1342 ± 0.00001741 5.336 4.958/5.624 5.375 ± 0.4869
ea08 1342 1342/1342 1342 ± 0.0000373 5.406 5.103/6.348 5.755 ± 0.6828
ea09 1342 1342/1342 1342 ± 0.00001109 4.859 4.623/5.708 5.065 ± 0.5511
ea10 1342 1342/1342 1342 ± 0.0000259 5.249 4.812/6.154 5.463 ± 0.6561
ea11 1342 1342/1342 1342 ± 0.0000177 5.359 4.922/6.118 5.532 ± 0.6375
ea12 1342 1342/1342 1342 ± 0.00001647 5.172 4.961/6.082 5.445 ± 0.6517
ea13 1342 1342/1342 1342 ± 0.00001216 5.443 5.316/6.037 5.693 ± 0.5202
ea14 1342 1342/1342 1342 ± 0.000006105 5.582 5.061/6.191 5.643 ± 0.6192
ea15 1342 1342/1342 1342 ± 0.000004784 5.17 4.864/5.834 5.396 ± 0.6006
ea16 1342 1342/1342 1342 ± 0 4.973 4.882/5.157 4.96 ± 0.1985
ea17 1342 1342/1342 1342 ± 0.0000426 5.354 5.082/6.452 5.658 ± 0.6564
ea18 1342 1342/1342 1342 ± 0.00001766 4.697 4.459/5.431 4.856 ± 0.5136
ea19 1342 1342/1342 1342 ± 0 5.45 5.056/6.245 5.635 ± 0.6025
ea20 1342 1342/1342 1342 ± 0.000018 5.546 5.205/6.439 5.748 ± 0.6997
ea21 1342 1342/1342 1342 ± 0.000009176 5.231 5.016/5.968 5.467 ± 0.5507
ea22 1342 1342/1342 1342 ± 0.00002287 5.158 4.9/6.161 5.476 ± 0.6609
ea23 1342 1342/1342 1342 ± 0.00001666 5.504 5.147/6.217 5.689 ± 0.661
ea25 1342 1342/1342 1342 ± 0 4.925 4.737/5.076 4.956 ± 0.1886
ea26 1342 1342/1342 1342 ± 0.00001221 5.174 5.079/6.169 5.512 ± 0.6124
ea27 1342 1342/1342 1342 ± 0.00004126 5.149 4.995/6.101 5.448 ± 0.5728
ea28 1342 1342/1342 1342 ± 0.00004207 5.229 4.986/6.14 5.518 ± 0.6498
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 ± 0.00002394 5.08 4.869/5.246 5.074 ± 0.2304
4 1342 1342/1342 1342 ± 0.00002571 4.767 4.599/4.875 4.719 ± 0.2506
5 1342 1342/1342 1342 ± 0.00002394 4.915 4.824/5.04 4.933 ± 0.2405
6 1342 1342/1342 1342 ± 0.00002394 4.956 4.877/5.051 4.951 ± 0.207
7 1342 1342/1342 1342 ± 0.00002394 4.976 4.858/5.06 4.967 ± 0.1893
8 1342 1342/1342 1342 ± 0.00002394 5.011 4.785/5.101 4.969 ± 0.2277
9 1342 1342/1342 1342 ± 0.00002394 5.273 5.151/5.459 5.241 ± 0.2611
10 1342 1342/1342 1342 ± 0.00002492 5.665 5.444/5.791 5.63 ± 0.2722
11 1342 1342/1342 1342 ± 0.00002492 5.986 5.807/6.04 5.881 ± 0.2907
12 1342 1342/1342 1342 ± 0.00002492 6.143 5.843/6.19 6.047 ± 0.2888
13 1342 1342/1342 1342 ± 0.00002492 6.405 6.223/6.599 6.394 ± 0.3076
14 1342 1342/1342 1342 ± 0.00002686 6.561 6.382/6.712 6.493 ± 0.3278
15 1342 1342/1342 1342 ± 0.00002492 6.339 6.097/6.473 6.249 ± 0.3493
16 1342 1342/1342 1342 ± 0.00005629 5.169 4.905/5.305 5.085 ± 0.3217
17 1342 1342/1342 1342 ± 0.00005677 5.063 4.853/5.33 5.082 ± 0.3542
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38458451.eb38565931.59072.733167094906_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-07 17:51:03.784
End
2024-11-07 18:54:25.157
Duration
1:03:21.373
Note, WebLog generation is not included in the time.

CASA logs for stage 8