... The luminosity of IRS 1 was estimated to be L 5 в 103 L (Lester et al. 1986), suggesting it to be a deeply embedded (AV 30 mag; Harker et al. 1997) early B-type star with a mass of some 10 M . ...
... of the star, M -- mass of the main comp onent of the system, M -- mass loss rate, L ... 6-m telescop e (Kholtygin et al. 2006c , sp ectrograph NES) and also in Bohyunsan ...
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Ссылки http://www.astro.spbu.ru/staff/afk/Papers/2007/RhoLeo2007MF.pdf -- 256.6 Кб -- 19.11.2010 Похожие документы
... a/b = 4) and spherical amorphous carbon (AC1) grains with rV = 0.01 µm at various distances from a star with T = 2500 K. The sphere temperature is Td(sphere) = 780.6, 318.0, 130.8, 52.3, and 20.8 K for R = 10, 102, 103, 104, and 105 R , respectively ...
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Ссылки http://www.astro.spbu.ru/staff/ilin2/INTAS/P3-SPB1/PUBL/TEXT/vs-pazh.pdf -- 473.3 Кб -- 19.11.2010 Похожие документы
... M Luminosity log(L/L ) T eff ,K log g Contribution to optical radiation in HeI6678 ... estimated the mass of the components to be M (Aa1 ) = 11.2 M and M (Aa2 ) = 5.6 M ...
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Ссылки http://www.astro.spbu.ru/staff/afk/Papers/2006/delOriE.pdf -- 1677.9 Кб -- 19.11.2010 Похожие документы
... Space Sci. 42, 623625. Chernova, G. P., Kiselev, N. N., and Jockers, K.: 1993, Icarus 103, 144158. ... Farnham, T. L., Schleicher, D. G., and A'Hearn, M. F.: 2000, Icarus 147, 180204. ...
... We have not found any ne data for NGC 5873, 5882, IC 2553, M 3-1, He 2-7 and SwSt 1 in the literature. ... For these objects we accepted the typical for PNe value ne = 103 cm-3 . ...
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Ссылки http://www.astro.spbu.ru/staff/afk/Papers/1998/InhomPNe1998.pdf -- 434.1 Кб -- 19.11.2010 Похожие документы
... Therefore, a final form of the de Vaucouleurs law is lg or, in units of m / I (r ) = -3.33071 Ie 1/4 r re -1 , , µ(r ) = µe + 8 ... through I e , is LT = 2 I e re b/a. Central surface brightness of the de Vaucouleurs model is b I0 = 103.33 Ie = 2140Ie ...