Physics of Magnetic Stars, 2007, pp. 262-270 Line profile variability and the possible magnetic field in the spectra of supergiant Leo A.F. Kholtygin1 , G.A. Chountonov2 , S.N. Fabrika2 , T.E. Burlakova Kang Dong-il3 , G.A. Galazutdinov2,4 , M.V. Yushkin2 1 2 2,3 ... Astronomy and Space Science Institute, Optical Astronomy Division, 61-1, Whaam-Dong, YuseongGu, Daejeon, 305-348, Korea 1 Intro duction Line profiles in sp ectra of OB stars are usually strongly variable (Morel et al ...
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Ссылки http://www.sao.ru/hq/lizm/conferences/pdf/2006/2006_p262.pdf -- 256.6 Кб -- 21.04.2010 Похожие документы
... x r GGБ `Б 5 G~ 3 "b 2( )V H& 1 А EC GV F Ba "0 9P HS E1 h 23 4@ a t3 $a eF )I 4& ta `S 3 ?S f? fa 3 ? ... 4Ц fЧ 2Х BЫ Gг TЪ fЭ ч fЭ 2Х vЪ `Ы 2Х 4а qЧ н il ьк $Ч )Ъ ?Ш fд 2Х fЭ Х щ GЭ Ю HЩ 2п tЮ BЧ )l H oB Qк GЭ pЮ Ь 4Ш Ч Bб qв кюэ 4ч 2Э yв ч S ф ) R Ч Gб EЪ в а щ )г 6Ш п EШ ) HЦ $Э `Ц Х Hе GЭ в BЩ fв fе ч tХ )Ч 4Ш Ц BЪ а е )б с )е 4Ш fЧ Х б Ю ч ...
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... 91G (link to ADS) 1977A&AS.. ... 11P (link to ADS) 1997A&AS.. ... 279A ( link to ADS ) (starting Julian Date 2400000 +, without restriction left empty ) (finishing Julian Date 2400000 +, without restriction left empty ) Database Query Form Star: JD ( -) JD (- ) Johnson StrЖmgren Hipparcos Geneva 10 colour photometry Walraven Maitzen and others Submit query HD (asterisk for all stars included in database ) (starting Julian Date 2400000 +, without restriction left ...
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Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2006/p296.pdf -- 314.2 Кб -- 26.12.2008
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... We prop ose to use the phase-amplitude diagram as the first step in the interpretation of roAp pulsational observations. ... 6 Bisector measurements in the H core Fig. 1 shows bisector amplitudes (left panel) and phases (right panel) across the core of the H line calculated with the pulsation p erio ds from Table 2. ... 7 Phase-amplitude diagrams In all stars we have detected pulsational variability in the lines of rare-earth elements, which show a maximum radial velo city (RV) amplitude. ...
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Physics of Magnetic Stars, 2007, pp. ... Based on the overall Ca abundance distributions, we mo delled a profile of the IRtriplet Ca ii 8498 line. ... This step was carried out by Bab el (1992), who calculated the Ca abundance distribution in the atmosphere of the magnetic star 53 Cam and showed that the unusual shap e of Ca ii K line a sharp transition b etween the wide wings and extremely narrow core is a result of a step-like Ca distribution with abundance decrease at log 5000 -1. ... Astron. ...
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d d d Cf ed V Xm f R s C еv d $ c g t w Ё g g $ii s v $i et sd g ~} |w td $i v C et td s v zy xw ed R l i l i s s et s ng rqg s p Xo $i R C h Rg $$ g v n g m R lk C ji h g $ g v !З Т Р Н !З сЙ кП М ЁЖ ЎЧ !З Т 5Ы Я !Ж !З еТ 'Э Т е¤ Т Т У Й xР сМ М !Й #М Р ...
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... Landstreet J.D., Bagnulo S., Andretta V., Silaj J., Fossati L., Wade G.A. Evolution of the Magnetic Fields of Magnetic Ap Stars During the Main Sequence Phase . ... Hubrig S., Scholler M., Ilyin I., Korhonen H., Gonzalez J. F., Cowley C. R., Savanov I., Arlt R. Magnetic Fields and Dynamical Evolution of Chemical Spots on the Surface of HgMn Stars . ... Hubrig S., Scholler M., Gonazales J.F., Cowley C. R., Stelzer B., Cure M., Pogodin M., Yudin R. Magnetic Fields of Herbig Ae/Be Stars . ...
Acknowledgements. The members of the Organizing Committee are grateful to the Russian Foundation for Basic Research (RFBR grants No. 090200002 and 100206974) and Dmitry Zimin's nonprofit Dynasty Foundation for the financial support, which made the Conference possible. ... Balega for providing the Conference with the venue and financial backing, and for every assistance possible in the publication of its Proceedings. ...
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Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p001.pdf -- 19.7 Кб -- 11.08.2011 Похожие документы
... n Kazimierz epieґ Tsiopa Olga Valyavin Gennady G. Wade Gregg A. Yakunin Ilya A. z Zinovsky Jozef ґ Zv erina Pavel Zverko Jura j Institute of Astronomy, Moscow Special Astrophysical Observatory , Nizhny Arkhyz Moscow State University , Moscow Moscow State University , Moscow Pulkovo observatory , St. Petersburg Special Astrophysical Observatory , Nizhny Arkhyz ...
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Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p002.pdf -- 21.0 Кб -- 11.08.2011 Похожие документы
Scientific Organizing Committee Yury Yu. Balega Iosif I. Romanyuk Yury V. Glagolevskij Yury N. Gnedin Swetlana Hubrig John Landstreet Zdenek Mikulґ asek Nicolai Piskunov Tatiana A. Ryabchikova Kazimierz Stё n epieґ Gregg A. Wade Werner W. Weiss z Jozef Zinovsky ґ Jura j Zverko Nizhny Arkhyz , Russia Nizhny Arkhyz , Russia Nizhny Arkhyz , Russia SaintPetersburg, Russia Potsdam, Germany London, Ontario, Kuchaeva Ilya A. Yakunin chair vice chair secretary ...
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Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p003.pdf -- 20.9 Кб -- 11.08.2011 Похожие документы
... Such stars are unlike field Ap stars in that they have relatively welldetermined ages, both absolutely (in years) and as a fraction of the main sequence lifetime elapsed. ... Dividing our sample of some 80 stars into mass bins of 2 3, 3 4, and 4 5 M , we find that both the typical field strength and the total magnetic flux, emerging from the surface of stars decline on time scales that are a modest fraction of the main sequence lifetime in each of the three mass bins. ...
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Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p014.pdf -- 155.7 Кб -- 11.08.2011 Похожие документы
Magnetic Stars, 2011, pp. ... The Magnetism in Massive Stars (MiMeS) Pro ject is a consensus collaboration among many of the foremost international researchers of the physics of hot, massive stars, with the basic aim of understanding the origin, evolution and effect of magnetic fields in these ob jects. ... 2010; Wade et al., in prep.) have furthermore detected magnetic fields in HD 108 and HD 148937, thereby confirming the view of Of ?p stars as a class of slowly rotating magnetic massive stars. ...
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Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p023.pdf -- 1386.8 Кб -- 11.08.2011 Похожие документы
Magnetic Stars, 2011, pp. ... We present a survey of observational data on the magnetic fields and physical parameters of CP stars for the past 15 years. ... Therefore, most of the data on magnetic fields were obtained based on the longitudinal field Be measurements. ... FIRST MAGNETIC STARS. ... 44 ROMANYUK Figure 2: Longitudinal magnetic field Be phase curve for HD 37776 obtained by Thompson & Landstreet (1985) Figure 3: Longitudinal magnetic field Be phase curve for HD 45583 FIRST MAGNETIC STARS. ...
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Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p035.pdf -- 173.6 Кб -- 11.08.2011 Похожие документы
Magnetic Stars, 2011, pp. ... A vast ma jority of wellstudied CP stars have quite steady rotational periods (e. g. SrCrEu star CQ UMa). ... Spotty magnetic chemically peculiar (mCP) stars with a global magnetic field and stable surface structures, whose periods of light, spectral and magnetic filed variations is equal to the rotational one, can serve as the best such instrument. ... No trend in the diagram indicates that the rotational period of the star is constant over the decades. ... 2010). ...
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Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p052.pdf -- 1509.4 Кб -- 11.08.2011 Похожие документы
... 61 68 Theory of Polarized Radiation from Accretion Disks: the Mo dern State of the Problem Gnedin Yu. ... We present the method that allows to estimate the magnetic field strength in the accretion disks surrounding stars of various types. ... This phenomenon allows to test various models of accretion disks around stellar ob jects. ... The rotationally supported stellar disk is threaded by open magnetic field lines (Krasnopolsky & THEORY OF POLARIZED RADIATION FROM ACCRETION DISKS .. ... Gnedin Yu....
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Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p061.pdf -- 374.0 Кб -- 11.08.2011 Похожие документы