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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.084 4.999/5.744 5.094 ± 0.9112
ea02 1342 1342/1342 1342 ± 0.00004246 5.629 5.162/6.258 5.48 ± 1.048
ea04 1342 1342/1342 1342 ± 0.00003139 5.145 4.839/5.809 5.063 ± 0.9626
ea05 1342 1342/1342 1342 ± 0.00001263 5.344 4.925/6.068 5.355 ± 0.8334
ea06 1342 1342/1342 1342 ± 0.00004 5.446 4.078/5.682 4.763 ± 1.064
ea07 1342 1342/1342 1342 ± 0.00004349 5.386 5.124/5.877 5.248 ± 0.9312
ea08 1342 1342/1342 1342 ± 0.00004302 5.683 5.337/6.496 5.629 ± 1.147
ea09 1342 1342/1342 1342 ± 0.000005397 5.273 5.01/5.993 5.298 ± 0.8279
ea10 1342 1342/1342 1342 ± 0.00004463 5.089 4.866/6.088 5.181 ± 0.9651
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004022 5.364 5.049/6.305 5.408 ± 1.08
ea13 1342 1342/1342 1342 ± 0.00001365 5.656 5.364/6.132 5.607 ± 0.8507
ea14 1342 1342/1342 1342 ± 0.00001744 5.328 5.058/6.329 5.388 ± 0.9727
ea15 1342 1342/1342 1342 ± 0.00002476 5.244 4.949/6.054 5.257 ± 1.081
ea16 1342 1342/1342 1342 ± 0.00002208 5.441 5.173/6.091 5.39 ± 0.9639
ea17 1342 1342/1342 1342 ± 0.00004551 5.617 5.22/6.346 5.542 ± 1.084
ea18 1342 1342/1342 1342 ± 0.00004361 4.738 4.536/5.453 4.732 ± 0.8041
ea19 1342 1342/1342 1342 ± 0.000002929 5.502 5.261/6.313 5.571 ± 0.866
ea20 1342 1342/1342 1342 ± 0.00004213 5.584 5.499/6.694 5.696 ± 1.128
ea21 1342 1342/1342 1342 ± 0.00001721 5.177 5.073/6 5.222 ± 0.8619
ea22 1342 1342/1342 1342 ± 0.00002726 5.346 5.006/6.233 5.39 ± 0.9693
ea23 1342 1342/1342 1342 ± 0.0000414 5.279 5.113/6.142 5.34 ± 0.9975
ea25 1342 1342/1342 1342 ± 0.0000439 5.205 4.982/5.961 5.201 ± 0.9507
ea27 1342 1342/1342 1342 ± 0.00004535 5.212 4.932/6.153 5.221 ± 0.9928
ea28 1342 1342/1342 1342 ± 0.00004524 5.396 5.173/6.25 5.359 ± 1.043
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 5.198 5.01/5.391 5.147 ± 0.3083
5 1342 1342/1342 1342 ± 0.0000255 5.128 5.011/5.325 5.179 ± 0.266
6 1342 1342/1342 1342 ± 0.00002467 5.143 5.019/5.271 5.108 ± 0.2747
7 1342 1342/1342 1342 ± 0.00002442 5.083 4.945/5.202 5.058 ± 0.2878
8 1342 1342/1342 1342 ± 0.00002467 5.119 4.925/5.258 5.081 ± 0.2654
9 1342 1342/1342 1342 ± 0.00002467 5.374 5.3/5.569 5.366 ± 0.3038
10 1342 1342/1342 1342 ± 0.00002442 5.86 5.65/5.924 5.804 ± 0.2919
11 1342 1342/1342 1342 ± 0.00002442 6.098 5.968/6.255 6.083 ± 0.2956
12 1342 1342/1342 1342 ± 0.00002442 6.312 6.024/6.428 6.246 ± 0.305
13 1342 1342/1342 1342 ± 0.00002462 6.378 6.138/6.563 6.337 ± 0.3165
14 1342 1342/1342 1342 ± 0.00003808 5.812 5.518/6.239 5.91 ± 0.5026
15 1342 1342/1342 1342 ± 0.00002444 6.471 6.238/6.652 6.413 ± 0.3954
16 1342 1342/1342 1342 ± 0.00005692 3.156 2.995/3.406 3.225 ± 0.313
17 1342 1342/1342 1342 ± 0.00005977 3.346 3.204/3.51 3.387 ± 0.2808
statwtmode
VLASS-SE
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-11-02 08:14:52.687
End
2024-11-02 09:01:31.205
Duration
0:46:38.518
Note, WebLog generation is not included in the time.

CASA logs for stage 8