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a Draconis a Drakona Tuban Polozhennya Tubana u suzir yi Drakona chervona blimayucha tochka Dani doslidzhennyaEpoha J2000 0Suzir ya DrakonPryame pidnesennya 14g 4h 23 35sShilennya 64 22 33 1 Vidima velichina V 3 6452 1 HarakteristikiSpektralnij klas A0 IIIpokaznik koloru U B 0 08yaskravist B 3 609 0 002 2 pokaznik koloru B V 0 049 0 005 2 yaskravist V 3 644 0 002 2 Tip zminnosti n aDani fotometriyi Stromgrenakolir b y 0 01indeks m1 0 13indeks c1 1 07indeks Hb 2 84 1 Dani fotometriyi GipparkosMaksimalna yaskravist 3 640 2 Minimalna yaskravist 3 660 2 AstrometriyaPromeneva shvidkist Rv 13 0 km sekVlasnij ruh m za pr pidnes 56 52 0 46 2 mas rik za shilennyam 17 19 0 53 2 mas rikParalaks p 10 56 0 52 2 masVidstan 308 86 svitlovih rokiv94 70 parsekAbsolyutna velichina MV 1 20PodrobiciMasa 2 8 3 M Radius 3 4 4 R Svitnist 120 5 L Efektivna temperatura 10371 5 Klg g 3 95 cgs 5 Metalichnist Fe H 0 19 5 Obertannya Vsin i 24 6 km sekInshi poznachennya al Dra HD 123299 HIP 68756 HR 5291 BD 65 978 GSC 4174 1262PosilannyaSIMBADdani dlya HD123299HD123299 chi Alfa Drakona a Draconis skorocheno a Dra himichno pekulyarna zorya spektralnogo klasu A0 j maye vidimu zoryanu velichinu v smuzi V priblizno 3 7 1 Vona znahoditsya v suzir yi Drakona na vidstani blizko 308 9 svitlovih rokiv vid Soncya 2 Takozh dlya zirki vikoristovuyetsya nazva Tuban arab الثعبان sho perekladayetsya yak Zmiya Zmist 1 Fizichni harakteristiki 2 Pekulyarnij himichnij sklad 3 Magnitne pole 4 Div takozh 5 DzherelaFizichni harakteristiki RedaguvatiZorya HD123299 obertayetsya porivnyano povilno navkolo svoyeyi osi Proyekciya yiyi ekvatorialnoyi shvidkosti na promin zoru stanovit Vsin i 24 km sek 6 Pekulyarnij himichnij sklad RedaguvatiZoryana atmosfera HD123299 maye pidvishenij vmist Si 1 Magnitne pole RedaguvatiSpektr danoyi zori vkazuye na nayavnist magnitnogo polya u yiyi zoryanij atmosferi Napruzhenist povzdovzhnoyi komponenti polya ocinenoyi z analizu kril linij Balmera stanovit 29 0 30 0 Gaus 7 Div takozh RedaguvatiPerelik HgMn zir Rtutno manganova zorya Perelik magnitnih himichno pekulyarnih zir Perelik himichno pekulyarnih zir 14h 16h Himichno pekulyarna zorya Perelik himichno pekulyarnih zir z ponizhenim vmistom geliyu Himichno pekulyarna zorya z ponizhenim vmistom geliyu Perelik Am zir Am zoryaDzherela Redaguvati a b v g 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 Kallinger T Iliev I Lehmann H Weiss W W 2005 The puzzling Maia candidate star a Draconis Proceedings of the International Astronomical Union 2004 848 Bibcode 2004IAUS 224 848K doi 10 1017 S1743921305009865 Wesselink A J Paranya K Devorkin K 1972 Catalogue of stellar dimensions Astronomy and Astrophysics Supplement 7 257 Bibcode 1972A amp AS 7 257W a b v g Philippe Prugniel Isabelle Vauglin Mina Koleva 2011 The atmospheric parameters and spectral interpolator for the stars of MILES Astronomy amp Astrophysics 531 A165 Bibcode 2011A amp A 531A 165P arXiv 1104 4952v1 doi 10 1051 0004 6361 201116769 a b Royer F et al 2002 Rotational velocities of A type stars Astron amp Astrophys 393 897 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 HD123299 amp oldid 37149377