... 8 February , 2014 SAI seminar (Ryde et al 2010) 5 Thermal emission from GRB jet progenitor observer photon jet Photosphere (=1) · · · · Photons are not produced at the photosphere We have to calculate radiative transfer We need to know where the photons are produced We construct the expression for effective optical depth in relativistic flow considering random walk process in relativistic flow SAI seminar 6 8 ... 8 February, 2014 SAI seminar 28 ...

... Contact A Problem of an estimation of accuracy of the asteroid CCD observations . The Minor Planet Center supported by the Interntional Astronomical Union is the main office for keeping observational data of the small Solar System bodies and their investigations. ... At Pulkovo Observatory we are estimating an accuracy of the CCD asteroid observations obtained by amateurs and professional astronomers all over the World using the MPC database. ...

... Точность построения ориентации МКА - 1,3њ, измерения текущей ориентации - 2,4'12.4. Система обеспечения тепловых режимов Терморегулирование обеспечивается шестью тепловыми трубами, ведущими к радиатору на надирной части МКА, и нагревателями12.5. ... Двигательная установка Двигательной установки и запаса топлива на МКА нет13. Научная аппаратура (полезный груз) МКА Комплекс научной аппаратуры состоит из шести приборов для измерений плазмы и полей, нейтральных составляющих атмосферы, суммарной ...

... The authors compare different standpoints on historical process of ethnoses emerging and developing on the area of Ancient Russ and Great Steep: a) the concept of M.Adgi ("panturkism"), Turks ethnos was prevailing on the area; b) the concept of G.V. Nosovskiy and A.T. Fomenko ("paslavyaism"), the Slav ethnos was prevailing on the area; the concept of L.Gumilyev ("passionarnost" theory), the ethnoses were living together without dominating one over the other. ...

Introduction to PLASMA ASTROPHYSICS (Selected 10 lectures) Boris V. Somov Astronomical Institute and Faculty of Physics Moscow State University Pushino-na-Oke, 2008 Contents Ab out These Lectures 1 Particles and Fields: Exact Self-Consistent Description 1.1 Liouville's theorem . . . . . . . . . . . . . . . . . . . 1.1.1 Continuity in phase space . . . . . . . . . 1.1.2 The character of particle interactions 1.1.3 The Lorentz force, gravity . . . . . . . . . 1.1.4 Collisional friction . . . . . . . . . . . .

Russian version of HP . ... StarCalc is the fastest professional astronomy planetarium & star mapping program for Windows 9x/ME/NT/2000/XP (StarCalc version for PocketPC computers you can found here ). ... Extensibility : This program is based on common "Plugin StarCalc interface to catalogs and object groups", which allows program to add new modules as Plugins. ... Welcome to the Pocket StarCalc Home Page: . ... Some bugfixes in eclipses" and line" plugins - see the new versions in downloads page. ...

... Солнечные затмения 2004-2024 . ... Short report about viewing of Venus Transit at 8 June 2004. ... The same situation was at Berdyansk at the June, 8, 2004, when Venus Transit occur. ... At the photo below, you can see how cloudy it was when the transit began. ... You can see it at the picture 1. ... I would like to thank Illya Pustovit, who kindly gave me a permission to use his digital camera for taking pictures of this Venus Transit and helped me a lot with working on gotten pictures. ...

... Сегодня: 10 апреля 2016 г. Самый большой космический телескоп "Гершель" впервые протестировал весь набор установленных на его борту приборов. ... Инженеры протестировали все три основных прибора аппарата. Так, при помощи детектора SPIRE (Spectral and Photometric Imaging REceiver), предназначенного для работы с электромагнитными волнами в диапазоне от 194 до 672 микрометров, астрономы получили изображения галактик M66 и M74. ... Двигаться вокруг L2 аппараты будут по так называемым орбитам Лиссажу. ...

heures quarante-six minutes et quarante secondes du soir, plus de dix-huit ans s'єµcouleraient avant que la Lune se reprєµsentє’t dans ces mєЎmes conditions simultanєµes de zєµnith et de pєµrigєµe. Le temps єµtait magnifique; malgrєµ les approches de l'hiver, le soleil resplendissait et baignait de sa radieuse effluve cette Terre que trois de ses habitants allaient abandonner pour un nouveau monde Que de gens dormirent mal pendant la nuit qui prєµcєµda ce jour si impatiemment dєµsirєµ! ...

... 000, 1­12 (2009) Printed 11 February 2010 A (MN L TEX style file v2.2) Analytical approximations of K -corrections in optical and near-infrared bands I1gor V. Chilingarian1 2 ,2,3 , Anne-Laure Melchior 1,4 and Ivan Yu. ... Received 2010 February 01; in original form 2009 August 14 ABSTRACT To compare photometric properties of galaxies at different redshifts, the fluxes need to be corrected for the changes of effective rest-frame wavelengths of filter bandpasses, called K -corrections. ... Table 1. ...