Hanyar: Alpha Gruis yana da tauraron tauraron B6 V, kodayake wasu kafofin suna ba da rarrabuwa na B7 IV. Rarraba na farko ya nuna cewa wannan tauraron nau'in B ne a kan babban jerin taurari waɗanda ke samar da makamashi ta hanyar haɗuwa da hydrogen a cikin tsakiya. Koyaya, aji mai haske na 'IV' zai ba da shawarar cewa wannan tauraron ƙarami ne; ma'ana samar da hydrogen a cikin zuciyarsa yana ƙarewa kuma tauraron ya fara aiwatar da ci gaba daga babban jerin. Ba shi da abokan tarayya da aka sani. Daidaitaccen diamita na wannan tauraron, bayan da aka daidaita shi don duhu, shine 1.02 ± 0.07 mas. A wani nisa na parallax na shekaru 100 (31 parsecs) daga Duniya, wannan yana ba da girman jiki na hasken rana.
Ƙungiyar 101