
echdi 189245

dhanu raashiyude thekkan nakshathrasamoohathile oru nakshathratthinte henry drapper kaattalog padamaanu echu. dii 189245. ithinu 5.66 enna drishya theevrathayundu, athaayath ithu nagnanethrangal kondu mangiya thothil drishyamaanu. hiparcos upagrahathil ninnulla paralax alavukal sooryanil ninnu 72 prakashavarsham akalam soochippikkunnu. secondil −13 kilometer enna suryakendra radial vegathayode ithu kooduthal aduthuvarikayaanu.
eee nakshathratthinte nakshatra vargeekaranam soochippikkunnathu, ithu oru spectramulla eph-type pradhana sequence nakshatramaanu, athu athinte baahya anthareekshathil irumbu (phee), methylidine (chii) ennivayude kurravukal kaanikkunnu. sajeevamaaya chromosphereulla oru variable nakshatramaaya ithu ex-reey udvamanathinte uravidamaanu. secondil 72.6 kilometer vegathayil sanjarikkunna echu. dii 189245 athivegam karangunnu. 500 dasalaksham varsham praayamundennu kanakkaakkappedunna oru yuva nakshathramaanithenn gyrochronology soochippikkunnu. ennirunnaalum, ex-reey udvamanathinte alavu soochippikkunnathu ekadesham 100 dasalaksham varsham pazhakkamulla oru nakshathrathekkaal ilayathaanu.
echu. dii 189245-nte vegatha gadakangal soochippikkunnathu ithu abb doradus chalikkunna nakshathrangalude groupile amgamaanu, avaa bahiraakaashatthiloode oru pothu chalanam pankidunnu. ekadesham 50 dasalaksham varsham praayamulla eee group sooryanil ninnu oru binduvil kendreekarichirikkunnu.