... ИСТОРИЯ ГАИШ - хроника, музей, персоналии, мемуары, периодика . Сайт "HERITAGE - астрономия, астрономическое образование с сохранением традиций" ориентирован на студентов 1 и 2-го курсов астрономического отделения физического факультета МГУ и отражает ранением традиций" ориентирован на студентов 1 и 2-го курсов астрономического отделения физического факультета МГУ и отражает работу, проводимую сотрудниками ГАИШ МГУ и физического факультета МГУ по расширению астрономического образования студентов. ...

Organisers: Philippe Lebacque (Laboratoire de Math matiques de Besan on ) , Michael Tsfasman (CNRS, Laboratoire Poncelet, Institute for Information Transmission Problems) , Alexey Zykin (Laboratoire Poncelet, State University Higher School of Economics, IITP) . ... General Information . ... The classical differential Galois theory studies symmetry groups of solutions of linear differential equations. ... Poncelet Laboratory web page . ...

... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...

... 0,50-0,59 (0,50-0,59) µm . ... Swath Width . ... at end of visibilty area . ... Visibility Area Width . ... Ground Resoultion in Nadir: . along swath . ... across swath . ... Ground Resolution at End of Visibilty Area: . ... 200 lines per second . ... at least 200 . Ground resolution corresponds to normal flihgt altitude 650 km. For more information send a mail to: info@sputnik.infospace.ru . ...

... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

... Heracles Triplane and Aerospace Systems . The key characteristics of two-stage aerospace systems are determined according to speed and carrying capacity of the aircraft-carrier used . ... So the SPIRAL system hypersonic carrier was expected to launch the second stage by weight 63 tons at a speed corresponding to 6M; whereas launching weight of the MAKS system orbital stage with the use of the An-225 MRIYA heavy subsonic aircraft reaches 275 tons, and the HERACLES aircraft - 450 tons. ...

... 365­368, ISSN 1055-6796, Photo copying p ermitted by license only, c Cambridge Scientific Publishers Distance scale calibration from kinematic analysis of an ensemble of the galactic planetary nebulae V.V. Akimkin1, I.I. Nikiforov2, A.F. Kholtygin 1 2 2 Astronomical Institute of the Russian Academy of Sciences, Russia Sobolev Astronomical Institute of St. Petersburg State University, Russia Received 1 February, 2012 We study the kinematics of ensembles of planetary ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

Preliminary results of astroclimate parameters measurements at the Sternberg 2.5m telescope installation site V.Kornilov, N.Shatsky, S.Potanin, O.Voziakova, B.Safonov Moscow, 2008 Acknowledgements A.Belinskiy M.Kornilov A.Tokovinin M.Kuznetsov P.Kortunov E.Gorbovskoy SAI administration some SAI students Pulkovo solar station (KHSS) staff RFBR support MAVEG Gmbh Why to study optical turbulence and some other relevant ... Mean seeing by DIMM data for this night is 1''5. ...

MATSYM - symbolic matrix processor . ... To use the program you will need a MAT file (liked CIR file: "User manual for CIRSYM program") of your system. ... In first string of MAT file enter any text you want to be the title of your system. ... Starting from string 2 (if is not comments - "*") enter the system element name, incident row and column and, optionally, its value. ... To generate a solution, run MATSYM.exe and enter "system_file_name.CIR" or click on the "ENTER" (in "MAT" case). ...

The new view on the population of Galactic open clusters A.E.Piskunov1, N.V.Kharchenko2, S.RЖser3, E.Schilbach3, R.-D.Scholz4 1 2 3 4 Institute of Astronomy, Moscow, Russia Main Astronomical ... Observatory, Kiev, Ukraine Astronomisches Rechen-Institut, Heidelberg, Germany Astrophysikalisches Institut Potsdam, Germany What are open clusters and what do they teach us Groups of Population I ... Cluster complexes: OCC-1 = Gould's Belt cluster complex? ...

... Ballistics, navigation and flight control of the spacecraft, going to the L2 point of Sun-Earth system. ... and calculation algorithms have been developed: - an algorithm, building nominal trajectories for one impulse flights to the L2 point of Sun- Earth system, including a Moon swingby maneuver or not. - an algorithm, calculating corrections of spacecraft trajectory needed for the flight from Earth to halo orbit and for stationkeeping of the spacecraft moving in halo ...

... News . ... galaxies . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Cosmic giants shed new light on dark matter . ... It follows from this principle that the dark matter in cosmic giants like galaxy clusters alters the apparent shape and position of distant galaxies. ... It allows us to measure very precisely how the dark matter in galaxy clusters distorts light from distant galaxies and gauge tiny changes in the appearance of a huge number of faint galaxies....

... 33, No. 1, pp. 62­71. i Formation of Power-Law Electron Spectra in Collapsing Magnetic Traps S. A. Bogachev 1 1* and B. V. Somov 2** Lebedev Institute of Physics, Russian Academy of Sciences, Leninski i pr. ... It is shown that if the electrons injected into the trap have a power-law spectrum, then their spectrum remains a power-law one with the same slope throughout the acceleration process for both the Fermi and betatron acceleration mechanisms. ... They do not coincide at energies below 20 keV. ...

... 29.01.2001 . ... Flight orbit number (day) . ... Orbit period (in min) . ... Mean orbit altitude (km) . ... Daily average altitude decay (km) . ... Solar and geomagnetic activity current parameters: . solar F 10.7 flux . ... F 10.7 <= 100 - low level; 100 < F 10.7 < 150 - medium level; F 10.7 >= 150 - high level . ... solar flux activity value – 21.03.2001 ±7days. Time of altitude м av ~ 250 km – 05.03.2001 ± 5days. Date of the orbit parameters calculations 29.01.2001. ...

... Head of the seminar: Prof. B.V. Somov, . ... The seminar considers the questions related to generation of magnetic fields in astrophysical plasmas, effect of the magnetic reconnection and particle acceleration in strong magnetic fields, the origin and propagation of cosmic rays, the flares and other non-stationary phenomena in the solar atmosphere and solar wind, Sun Earth connections and physical processes in the heliosphere. ... On the Topological Models and Topological Trigger of the Solar Flares...

Bigbang Forum Message . ... Vacuum Energy Mediated By Supersymmetry . ... Since the existence of supersymmetry partner virtual particles seemingly solves the heirarchy problem, it follows that it must also solve the . vacuum energy problem. ... The Casmir force between two plates in vacuum is in a sense a measure of vacuum energy, and calculations using only non-symmetric virtual particles agree with experiment. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ...

... part 2 | ... Part 1 . The new concept of formation and development of the Solar system. ... Thus, the initial pulse of the rotation of a protosolar cloud of the solar system was determined as a result of the diversion of a part of the moment of the rotational pulse of the Galaxy. ... Besides this new approach to the pre-solar system as a system of the destroyed vortex structure, we can understand now a number of other peculiarities of the Solar system's structure. ...

... Space Res., 12, 265, 1992 planetary magnetic dipole: Mizutani, H., et al., ... Astrobiology, 7, 167, 2007 CME induced H+ ion pick-up loss at 0.05 AU for ` Hot Jupiters ' HD209458 b Mass loss ~1011 g/s even for weak CMEs Mmax strong magn. protection in reality Exoplanet magnetospheres - importance of magnetodisk Relatively large amount of observed Hot Jupiters (27%): survival of close-in giants indicates their efficient protection against of extreme plasma and radiation conditions ...

Альтернативный форум . Scientific.ru Все форумы . ... valia - 23.01.2007 15:59 . ... вернуться на форум ] . ... Задача о движении трех тел... valia, 22.01.2007 10:52 . Re: Задача о движении трех тел решена Зундманом в 1908-13 Уникум, 22.01.2007 13:54 . ... Re: По рабоче-крестьянски, для любых трех тел... valia, 22.01.2007 17:01 . ... Re: Задача о движении трех тел... drevnij, 22.01.2007 11:31 . ... Философ - это тот, для кого задача трех тел неразрешима :) (-) Hyperboloid, 22.01.2007 15:31 . ...