The end of the article indicates it does not
An image search for "gauss monument brunswick germany" on Duck Duck Go includes a picture of the 17-point star at this link:
https://www.braunschweig.de/leben/stadtportraet/stadtteile/n...
I can't go to it to confirm because we are blocked from going to foreign links at my work place. It looks like the star is on the left side of the monument near his right foot.