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HD207840 Dani doslidzhennyaEpoha J2000 0Suzir yaPryame pidnesennya 21g 51h 34 25sShilennya 19 49 36 1 Vidima velichina V 5 78 1 HarakteristikiSpektralnij klas B8 pokaznik koloru U B 0 40yaskravist B 5 640 0 003 2 pokaznik koloru B V 0 100 0 005 2 yaskravist V 5 761 0 004 2 Tip zminnostiDani fotometriyi Stromgrenakolir b y 0 04indeks m1 0 12indeks c1 0 62indeks Hb 2 75 1 Dani fotometriyi GipparkosMaksimalna yaskravist 5 740 2 Minimalna yaskravist 5 770 2 AstrometriyaVlasnij ruh m za pr pidnes 20 51 0 59 2 mas rik za shilennyam 13 33 0 54 2 mas rikParalaks p 5 58 0 66 2 masVidstan 584 51 svitlovih rokiv179 21 parsekPodrobiciMasa M Inshi poznachennyaHD 207840 HIP 107887 HR 8348 BD 19 4797 GSC 1674 925PosilannyaSIMBADdani dlya HD207840HD207840 podvijna zorya Cya podvijna sistema maye vidimu zoryanu velichinu v smuzi V priblizno 5 8 1 Vona roztashovana na vidstani blizko 584 5 svitlovih rokiv vid Soncya 2 Zmist 1 Podvijna zorya 2 Magnitne pole 3 Div takozh 4 DzherelaPodvijna zorya red Golovna zorya ciyeyi sistemi nalezhit do himichno pekulyarnih zir j maye spektralnij klas B8 V toj zhe chas spektralnij klas inshoyi komponenti zalishayetsya she ne viznachenim Magnitne pole red Spektr danoyi zori vkazuye na nayavnist magnitnogo polya u yiyi zoryanij atmosferi Napruzhenist povzdovzhnoyi komponenti polya ocinenoyi z analizu nayavnih linij metaliv stanovit 1300 0 530 0 Gaus 3 Div takozh red Perelik HgMn zir Rtutno manganova zorya Perelik magnitnih himichno pekulyarnih zir Perelik himichno pekulyarnih zir 20h 22h 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 Bychkov V D Bychkova L V Madej J 2003 Catalogue of averaged stellar effective magnetic fields Astron Astrophys 407 631 nbsp Ce nezavershena stattya z astronomiyi Vi mozhete dopomogti proyektu vipravivshi abo dopisavshi yiyi Otrimano z https uk wikipedia org w index php title HD207840 amp oldid 31655123