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 5.062 4.986/5.736 5.09 ± 0.916
ea02 1342 1342/1342 1342 ± 0.0000425 5.634 5.154/6.256 5.458 ± 1.071
ea04 1342 1342/1342 1342 ± 0.00003077 5.138 4.844/5.83 5.069 ± 0.9458
ea05 1342 1342/1342 1342 ± 0.00001174 5.337 4.93/6.058 5.358 ± 0.8362
ea06 1342 1342/1342 1342 ± 0.00004073 5.457 4.058/5.651 4.752 ± 1.063
ea07 1342 1342/1342 1342 ± 0.0000434 5.415 5.098/5.872 5.243 ± 0.9496
ea08 1342 1342/1342 1342 ± 0.00004343 5.69 5.301/6.482 5.6 ± 1.162
ea09 1342 1342/1342 1342 ± 0.000007512 5.337 4.989/5.986 5.271 ± 0.8424
ea10 1342 1342/1342 1342 ± 0.00004488 5.072 4.865/6.088 5.166 ± 0.9715
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004132 5.337 5.055/6.291 5.394 ± 1.082
ea13 1342 1342/1342 1342 ± 0.00001513 5.649 5.325/6.128 5.586 ± 0.866
ea14 1342 1342/1342 1342 ± 0.00001672 5.315 5.044/6.308 5.383 ± 0.9908
ea15 1342 1342/1342 1342 ± 0.00002401 5.168 4.967/6.049 5.272 ± 1.07
ea16 1342 1342/1342 1342 ± 0.00002324 5.435 5.161/6.07 5.386 ± 0.979
ea17 1342 1342/1342 1342 ± 0.000046 5.597 5.217/6.33 5.52 ± 1.08
ea18 1342 1342/1342 1342 ± 0.00004367 4.732 4.521/5.456 4.726 ± 0.8148
ea19 1342 1342/1342 1342 ± 0.000001853 5.502 5.248/6.306 5.575 ± 0.8862
ea20 1342 1342/1342 1342 ± 0.00004241 5.548 5.493/6.679 5.677 ± 1.148
ea21 1342 1342/1342 1342 ± 0.0000173 5.181 5.067/5.983 5.227 ± 0.8642
ea22 1342 1342/1342 1342 ± 0.00003174 5.328 5.009/6.222 5.352 ± 0.9938
ea23 1342 1342/1342 1342 ± 0.00004161 5.296 5.111/6.134 5.343 ± 1.029
ea25 1342 1342/1342 1342 ± 0.00004402 5.171 4.967/5.96 5.183 ± 0.9497
ea27 1342 1342/1342 1342 ± 0.0000458 5.192 4.932/6.154 5.208 ± 0.9969
ea28 1342 1342/1342 1342 ± 0.00004524 5.375 5.163/6.223 5.345 ± 1.053
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 ± 0.00002439 5.196 5.014/5.38 5.138 ± 0.3124
5 1342 1342/1342 1342 ± 0.00002543 5.143 5.019/5.321 5.188 ± 0.2647
6 1342 1342/1342 1342 ± 0.00002464 5.12 5.002/5.247 5.081 ± 0.2742
7 1342 1342/1342 1342 ± 0.00002439 5.098 4.948/5.199 5.049 ± 0.2876
8 1342 1342/1342 1342 ± 0.00002464 5.12 4.928/5.246 5.081 ± 0.264
9 1342 1342/1342 1342 ± 0.00002464 5.368 5.278/5.568 5.357 ± 0.3055
10 1342 1342/1342 1342 ± 0.00002439 5.858 5.662/5.932 5.801 ± 0.29
11 1342 1342/1342 1342 ± 0.00002439 6.081 5.97/6.25 6.073 ± 0.2931
12 1342 1342/1342 1342 ± 0.00002439 6.304 6.025/6.42 6.235 ± 0.3001
13 1342 1342/1342 1342 ± 0.00002449 6.331 6.133/6.541 6.329 ± 0.3203
14 1342 1342/1342 1342 ± 0.0000394 5.796 5.51/6.203 5.89 ± 0.5023
15 1342 1342/1342 1342 ± 0.00002447 6.513 6.268/6.676 6.438 ± 0.3966
16 1342 1342/1342 1342 ± 0.00005661 3.138 2.996/3.363 3.204 ± 0.2943
17 1342 1342/1342 1342 ± 0.00005956 3.299 3.167/3.465 3.355 ± 0.3092
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-11-02 08:26:12.117
End
2024-11-02 09:11:03.015
Duration
0:44:50.898
Note, WebLog generation is not included in the time.

CASA logs for stage 8