In August 2022, this planetary system was included among 20 systems to be named by the third NameExoWorlds project. The approved names, proposed by a team from Romania, were announced in June 2023. WASP-43 is named Gnomon and its planet is named Astrolábos, after the gnomon and the Greek word for the astrolabe.

Observational history

WASP-43 was first observed by the WASP-South part of the

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