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Delta Leva Zobrazhennya d LevaDani sposterezhennyaEpoha J2000Suzir ya LevPryame pidnesennya 11g 14h 06 50142s 1 Shilennya 20 31 25 3853 1 Vidima zoryana velichina V 2 56 2 HarakteristikiSpektralnij klas A4 V 3 Pokaznik koloru B V 0 12 4 Pokaznik koloru U B 0 12 4 Tip zminnosti tipu d ShitaAstrometriyaPromeneva shvidkist Rv 20 2 2 km cVlasnij ruh m Pr sh 143 42 1 mas r Shil 129 88 1 mas rParalaks p 55 82 0 25 mas 1 Vidstan 58 4 0 3 sv r 17 91 0 08 pk Absolyutna zoryanavelichina MV Fizichni harakteristikiMasa 2 2 5 M Radius 2 14 0 040 6 R Svitnist 15 5 1 8 6 L Efektivna temperatura 8296 6 KObertannya 180 7 Vik 0 60 0 75 5 mlrd rokivInshi poznachennyaZosma Zozma Zosca Duhr Zubra 8 d Leo 68 Leo BD 21 2298 FK5 422 GC 15438 GCTP 2614 00 Gl 419 HD 97603 HIP 54872 HR 4357 SAO 81727 9 PosilannyaSIMBADdani dlya HD 97603Delta Leva d Leo zorya sho roztashovana v zodiakalnomu suzir yi Leva Vona maye tradicijni nazvi Zosma abo Zozma i Duhr Sered ridkisnih napisan Zozka Zoska Zubra i Dgur V perekladi z davnogreckoyi zoska oznachaye poyas i nazvana tak za miscem yiyi roztashuvannya na tili leva 8 Vimiryuvannya paralaksa pokazali sho vidstan do zori stanovit blizko 58 4 svitlovih rokiv 17 9 parsekiv 1 Harakteristiki RedaguvatiZosma ce dovoli zvichajna zorya golovnoyi poslidovnosti yaka maye spektralnij klas A4 V 3 sho robit yiyi trohi bilshoyu j garyachishoyu vid Soncya Ce dobre doslidzhena zorya a yiyi vik i rozmir dosit tochno viznacheni Radius zori vimiryanij bezposeredno za dopomogoyu interferometra stanovit blizko 214 sonyachnogo a yiyi svitnist bilsh nizh u 15 raziv perevishuye sonyachnu Zorya viprominyuye energiyu iz zovnishnoyi obolonki yaka maye efektivnu temperaturu 8296 K 6 sho robit yiyi biloyu zoreyu klasu A Bilsha vid sonyachnoyi masa zori oznachaye sho yiyi zhittya bude korotshim Des cherez 600 miljoniv rokiv vona rozpuhne do rozmiru pomaranchevogo abo chervonogo giganta pislya chogo shvidko peretvoritsya na bilij karlik 5 Shvidkist obertannya zori dorivnyuye 180 km s Nahil osi obertannya vidnosno kuta zoru z Zemli stanovit za ocinkami 38 1 sho daye azimutalnu shvidkist vzdovzh ekvatora blizko 280 km s Take shvidke obertannya nadaye zori viraznoyi formi stisnenogo sferoyida Polyarnij radius stanovit des 84 vid ekvatorialnogo 7 Vihodyachi z trayektoriyi ruhu Delti Leva mozhna pripustiti sho vona ye chlenom ruhomoyi grupi zirok Velikoyi Medvedici 10 Vik ciyeyi grupi stanovit blizko 500 miljoniv rokiv 11 Div takozh RedaguvatiSpisok zirok suzir ya LevaPrimitki Redaguvati a b v g d e van Leeuwen F November 2007 Validation of the new Hipparcos reduction Astronomy and Astrophysics 474 2 653 664 Bibcode 2007A amp A 474 653V arXiv 0708 1752 doi 10 1051 0004 6361 20078357 a b Wielen R ta in 1999 Sixth Catalogue of Fundamental Stars FK6 Part I Basic fundamental stars with direct solutions 35 Astronomisches Rechen Institut Heidelberg Bibcode 1999VeARI 35 1W a b Cowley A ta in April 1969 A study of the bright A stars I A catalogue of spectral classifications Astronomical Journal 74 375 406 Bibcode 1969AJ 74 375C doi 10 1086 110819 a b Johnson H L ta in 1966 UBVRIJKL photometry of the bright stars Communications of the Lunar and Planetary Laboratory 4 99 Bibcode 1966CoLPL 4 99J a b v Kaler James B ZOSMA Delta Leonis University of Illinois Arhiv originalu za 23 travnya 2015 Procitovano 12 travnya 2010 a b v g Akeson R L ta in February 2009 Dust in the inner regions of debris disks around a stars The Astrophysical Journal 691 2 1896 1908 Bibcode 2009ApJ 691 1896A arXiv 0810 3701 doi 10 1088 0004 637X 691 2 1896 a b Royer F ta in 2002 Rotational velocities of A type stars in the northern hemisphere II Measurement of v sin i in the northern hemisphere Astronomy and Astrophysics 393 3 897 911 Bibcode 2002A amp A 393 897R arXiv astro ph 0205255 doi 10 1051 0004 6361 20020943 a b Allen Richard Hinckley 1899 Star names and their meanings G E Stechert s 260 Arhiv originalu za 14 chervnya 2019 Procitovano 16 chervnya 2015 del Leo Variable Star SIMBAD Centre de Donnees astronomiques de Strasbourg Arhiv originalu za 20 bereznya 2016 Procitovano 12 travnya 2010 Nakajima Tadashi Morino Jun Ichi Fukagawa Misato September 2010 Potential Members of Stellar Kinematical Groups within 20 pc of the Sun The Astronomical Journal 140 3 713 722 Bibcode 2010AJ 140 713N doi 10 1088 0004 6256 140 3 713 King Jeremy R ta in April 2003 Stellar Kinematic Groups II A Reexamination of the Membership Activity and Age of the Ursa Major Group The Astronomical Journal 125 4 1980 2017 Bibcode 2003AJ 125 1980K doi 10 1086 368241 Otrimano z https uk wikipedia org w index php title Delta Leva amp oldid 34818896