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

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_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 5.922 5.438/6.409 5.981 ± 0.6662
ea02 1342 1342/1342 1342 ± 0 6.277 5.417/6.419 6.051 ± 0.6961
ea03 1342 1342/1342 1342 ± 0 5.982 5.265/6.595 5.998 ± 0.7164
ea04 1342 1342/1342 1342 ± 0 5.324 4.872/5.762 5.316 ± 0.6227
ea05 1342 1342/1342 1342 ± 0.000002036 5.754 5.206/6.428 5.787 ± 0.7459
ea06 1342 1342/1342 1342 ± 0 5.821 4.882/5.864 5.517 ± 0.6012
ea07 1342 1342/1342 1342 ± 0 5.767 5.081/6.187 5.764 ± 0.7258
ea08 1342 1342/1342 1342 ± 0 6.261 5.53/6.702 6.234 ± 0.6896
ea09 1342 1342/1342 1342 ± 0 5.728 5.071/6.467 5.737 ± 0.7234
ea10 1342 1342/1342 1342 ± 0 5.396 4.836/5.877 5.366 ± 0.6335
ea11 1342 1342/1342 1342 ± 0 5.375 4.955/6.205 5.493 ± 0.7371
ea12 1342 1342/1342 1342 ± 0 5.429 5.059/6.032 5.575 ± 0.6662
ea13 1342 1342/1342 1342 ± 0 5.669 5.281/6.169 5.687 ± 0.6751
ea14 1342 1342/1342 1342 ± 0.000004294 5.937 5.384/6.433 5.901 ± 0.7499
ea15 1342 1342/1342 1342 ± 0.000005695 6.105 5.466/6.54 6.002 ± 0.7282
ea16 1342 1342/1342 1342 ± 0 5.993 5.565/6.633 6.137 ± 0.7116
ea17 1342 1342/1342 1342 ± 0 5.94 5.56/6.626 6.098 ± 0.7506
ea18 1342 1342/1342 1342 ± 0 6.181 5.695/6.793 6.243 ± 0.6875
ea19 1342 1342/1342 1342 ± 0 5.692 5.216/6.278 5.761 ± 0.6692
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.293 4.964/5.769 5.391 ± 0.5022
ea22 1342 1342/1342 1342 ± 0 5.971 5.428/6.442 6.008 ± 0.6867
ea23 1342 1342/1342 1342 ± 0 6.036 5.361/6.332 5.934 ± 0.7995
ea24 1342 1342/1342 1342 ± 0.000002561 6.151 5.129/6.556 5.825 ± 0.7801
ea25 1342 1342/1342 1342 ± 0 6.419 5.551/6.912 6.348 ± 0.8164
ea27 1342 1342/1342 1342 ± 0 5.736 5.101/6.398 5.783 ± 0.7235
ea28 1342 1342/1342 1342 ± 0 6.195 5.6/6.855 6.203 ± 0.6897
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 ± 0.00002352 5.253 5.095/5.456 5.266 ± 0.2526
3 1342 1342/1342 1342 ± 0.00002838 4.698 4.355/5.01 4.709 ± 0.4817
4 1342 1342/1342 1342 ± 0.00002388 5.08 4.783/5.264 5.034 ± 0.3546
5 1342 1342/1342 1342 ± 0.00002352 5.267 5.021/5.57 5.303 ± 0.3122
6 1342 1342/1342 1342 ± 0.00002352 5.151 4.884/5.312 5.126 ± 0.3007
7 1342 1342/1342 1342 ± 0.00002352 5.362 5.214/5.533 5.322 ± 0.2486
8 1342 1342/1342 1342 ± 0.00002352 5.257 5.127/5.466 5.28 ± 0.2728
9 1342 1342/1342 1342 ± 0.00002352 5.622 5.417/5.834 5.608 ± 0.284
10 1342 1342/1342 1342 ± 0.00002352 6.143 5.945/6.255 6.075 ± 0.2633
11 1342 1342/1342 1342 ± 0.00002352 6.36 6.174/6.467 6.288 ± 0.2814
12 1342 1342/1342 1342 ± 0.00002352 6.478 6.184/6.647 6.425 ± 0.3268
13 1342 1342/1342 1342 ± 0.00002352 6.86 6.612/7.156 6.853 ± 0.3493
14 1342 1342/1342 1342 ± 0.00002352 7.11 6.813/7.317 7.014 ± 0.3702
15 1342 1342/1342 1342 ± 0.00002352 6.819 6.447/7.082 6.75 ± 0.3901
16 1342 1342/1342 1342 ± 0.00002352 6.163 5.869/6.432 6.127 ± 0.384
17 1342 1342/1342 1342 ± 0.00002352 6.15 5.855/6.332 6.077 ± 0.3761
output_dir
 
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-08-05 02:24:30.290
End
2025-08-05 02:58:57.365
Duration
0:34:27.075
Note, WebLog generation is not included in the time.

CASA logs for stage 8