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HD20320 Dani doslidzhennyaEpoha J2000 0Suzir ya EridanPryame pidnesennya 3g 15h 50 02sShilennya 8 49 11 0 Vidima velichina V 4 80 1 HarakteristikiSpektralnij klas A2pokaznik koloru U B 0 08yaskravist B 5 086 0 002 2 pokaznik koloru B V 0 232 0 005 2 yaskravist V 4 834 0 002 2 Tip zminnostiDani fotometriyi Stromgrenakolir b y 0 14indeks m1 0 19indeks c1 0 85indeks Hb 2 79 1 Dani fotometriyi GipparkosMaksimalna yaskravist 4 860 2 Minimalna yaskravist 4 870 2 AstrometriyaVlasnij ruh m za pr pidnes 3 82 1 26 2 mas rik za shilennyam 45 52 0 83 2 mas rikParalaks p 27 18 0 97 2 masVidstan 120 00 svitlovih rokiv36 79 parsekPodrobiciMasa M Obertannya Vsin i 82 3 km sekInshi poznachennya ze Eri HD 20320 HIP 15197 HR 984 BD 9 624PosilannyaSIMBADdani dlya HD20320HD20320 takozh vidoma yak Dzeta Eridana himichno pekulyarna zorya spektralnogo klasu A2 sho maye vidimu zoryanu velichinu v smuzi V priblizno 4 8 1 Vona roztashovana na vidstani blizko 120 0 svitlovih rokiv vid Soncya 2 Zmist 1 Fizichni harakteristiki 2 Pekulyarnij himichnij vmist 3 Div takozh 4 DzherelaFizichni harakteristiki red Zorya HD20320 obertayetsya dosit shvidko navkolo svoyeyi osi Proyekciya yiyi ekvatorialnoyi shvidkosti na promin zoru stanovit Vsin i 82km sek 3 Pekulyarnij himichnij vmist red Div takozh red Perelik HgMn zir Rtutno manganova zorya Perelik himichno pekulyarnih zir 2h 4h Himichno pekulyarna zorya Perelik himichno pekulyarnih zir z ponizhenim vmistom geliyu Himichno pekulyarna zorya z ponizhenim vmistom geliyu Perelik Am zir Am zoryaDzherela red a b v Renson P Manfroid J General catalogue of Ap HgMn and Am stars 2009 A amp A 498 961 a b v g d e zh i k ESA 1997 The Hipparcos Catalogue ESA SP 1200 a b Royer F et al 2002 Rotational velocities of A type stars Astron amp Astrophys 393 897 nbsp Ce nezavershena stattya z astronomiyi Vi mozhete dopomogti proyektu vipravivshi abo dopisavshi yiyi Otrimano z https uk wikipedia org w index php title HD20320 amp oldid 39119530