... due to the spherical ball of matter with radius D(t) is g = -G*M/D(t) 2 where the mass is M = 4*pi*D(t) 3 *rho(t)/3 ... This gives v = H*D = v(esc) = sqrt(2*G*M/D) H 2 *D 2 = 2*(4*pi/3)*rho*D 2 or rho(crit) = 3*H 2 /(8*pi*G) For rho less than or ...
... range ° ° 360010000 A, the 2.1-m Cananea telescope (Mexico) in the range 42009000 ... are classified by using the 2.1-m G. Haro Observatory (GHAO) telescope of the ...
... general formula for the wavelength of hydrogen lines is 1/wavelength = [n -2 - m -2 ]/91.2 where n = 1, 2, 3, ... is the lower ... When n = 1 , these lines with m = 2, 3, ... are called Lyman alpha, Lyman beta, ... and form the Lyman series. ...
... source, called S140 IRS, strongly increases between 2 µm and 100 µm and estimated an ... a K filter with a central wavelength of 2.165 µm and a bandwidth of 0.328 µm. 5552 ...
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Ссылки http://www.sao.ru/hq/balega/PUBL_BAL/PUB_2000/2000A&A_361L_29S.pdf -- 286.3 Кб -- 24.02.2010 Похожие документы
... A diffraction-limited 2.11 µm image was reconstructed from 6 m telescope speckle ... interference filter with a centre wavelength of 2.11 µm and a bandwidth of 0.19 µm ...
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Ссылки http://www.sao.ru/hq/balega/PUBL_BAL/PUB_1999/1999A&A_348_805B.pdf -- 387.4 Кб -- 24.02.2010 Похожие документы
... at 37009200 A ) with the 2-m telescope at Peak Terskol of the spectroscopic and ... we observed it spectroscopically with the 2-m telescope at Peak Terskol in a wide ...
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Ссылки http://www.sao.ru/hq/balega/PUBL_BAL/PUB_2008/ARep_52_226.pdf -- 672.8 Кб -- 24.02.2010 Похожие документы
... From the measurements of the angular separation between the components of the pair (0.042") and the brightness difference (2m ), we determined the period of orbital movement, 15.6 years, and the component masses: 2.0 M for the red giant, and 0.7 M for ...
... Приборные осцилляции в данных КА RHESSI и методы их выявления Зимовец И.В. (1), Inglis A. (2), Nakariakov V.M. (2), Струминский А.Б. (1) (1) Институт космических исследований РАН, Москва, Россия (2) Physics Department, University of Warwick, Coventry, UK ...
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Ссылки http://www.sao.ru/Doc-k8/Events/2010/VAK/Tezisi/289_Zimovets_et_al_VAK_2010.doc -- 22.5 Кб -- 05.09.2010 Похожие документы