Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Alpha Gruis yana da rarrabuwa na tauraron B6 V, kodayake wasu kafofin suna ba shi rarrabuwa na B7 IV. Rarraba na farko ya nuna cewa wannan tauraro ne mai nau'in B a kan jerin taurari masu yawa waɗanda ke samar da makamashi ta hanyar haɗuwa da hydrogen a cikin tsakiya. Koyaya, aji na haske na 'IV' zai ba da shawarar cewa wannan tauraro ne mai girma; ma'ana samar da hydrogen a cikin zuciyarsa yana ƙarewa kuma tauraron ya fara aiwatar da ci gaba daga babban jerin. Ba shi da sanannun abokan tarayya. Gwargwadon diamita na wannan tauraron, bayan an gyara shi don duhu, shine 1.02 ± 0.07 mas. A wani parallax-auna nesa na 101 haske-shekara (31 parsecs) daga Duniya, wannan ya bada wani jiki size of 3.4 sau da radius na Sun. Yana juyawa cikin sauri, tare da saurin juyawa na kimanin kilomita 215 / s wanda ke samar da ƙananan iyaka don ƙimar jujjuyawar azimuthal tare da ma'auni. Wannan tauraron yana da kimanin sau hudu na hasken rana kuma yana haskakawa kusan sau 520 na hasken rana. Yanayin zafin jiki na Alpha Gruis na waje shine 13,920 K, yana ba shi launin shuɗi mai launin shuɗi na nau'in B. Yawan abubuwa banda hydrogen da helium, abin da masanan taurari ke kira da ƙarfe, kusan kashi 74% na wadatar a cikin Sun.Dangane da kimanta shekaru da motsi, yana iya zama memba na ƙungiyar motsi ta AB Doradus waɗanda ke da motsi iri ɗaya ta sararin samaniya. Wannan rukuni yana da kimanin shekaru miliyan 70, wanda ya dace da kimanin shekaru 100 na α Gruis (ba da izinin kuskure). Abubuwan saurin sararin samaniya na wannan tauraron a cikin tsarin haɗin gwiwar Galactic sune [U, V, W] = [<unk>7.0 ± 1.1, <unk>25.6 ± 0.7, <unk>15.5 ± 1.4] km / s.  Tambaya: Shekaru-haske nawa?
Ƙungiyar 101