This home page belongs to small group of scientists working at . Sternberg Astronomical Institute which is a part of Moscow State University . ... Электронная библиотека научно-технической и художественной литературы (доступна только из ГАИШ) . ... Local staff . Dr. Edward Kononovich (konon -at- sai.msu.ru), Associate Professor . ... Dr. Sergey Ayukov (asv -at- sai.msu.ru), Research Fellow, Webmaster of the group . ... Joint seminar of Solar Studies Structure Group and Solar Photometry Group . ...

... Листок 1 (40K) | Листок 2 (31K) | Листок 3 (30K) ] . Листок 1 (41K) | ... Односеместровый курс является введением в теорию гамильтоновых структур на эволюционных дифференциальных уравнениях. Первая часть курса посвящена классической конечномерной пуассоновой геометрии (гамильтоновой механике). ... Теорема Дарбу. ... Интегрируемые гамильтоновы системы. ... Деформации и гамильтоновы когомологии. ... Теорема об одной строчке: вариационный комплекс. ...

... The HH flow associated with young stellar object HL Tau has an exciting history and even until now the origin of some its features is not clear yet. ... Knotty structures of Herbig-Haro jets are common phenomena and knowing the origin of such structures is essential for understanding the processes of jet formation. ... In the flow detected compact knots with high (-150 km/s) and bow shape structures in front of those, with low radial velocities (-50 km/s). ...

... Doug's Home Page . ... S-Lang structures are converted to hash references in Perl , as shown below. ... n\n ; print Structure contents:\n ; # you can treat $s as a reference to a hash array in most respects, except: # - the order of the keys in the array matches that of the # original S-Lang structure # while ( my ( $ key , $ value ) = each %{$s} ) { print key $ key \t has a value of $ value \n ; } print \n ; $$s{afield} = 'a changed field value '; print ...

... Credit: DMR , COBE , NASA Explanation: These spots are the oldest, most distant structures known. They are seen on the above two images of the microwave sky, north and south of our galaxy's equator, based on four-year's worth of data from NASA's COsmic Background Explorer (COBE) satellite (1989-1993). ... Publications with keywords: COBE - hotspots - cosmic microwave background radiation . Publications with words: COBE - hotspots - cosmic microwave background radiation . ...

. alpha . We have put constraints on the variation of the fine structure constant, $\alpha$, using recent Cosmic Microwave Background, CMB, observations. This study gave rise to the following papers: . Last updated: 2004 August. The astro-ph archive can be searched for an up to date lists of my papers: for au=G. Rocha and ti=alpha which gives an incomplete list, to be completed with au=G. Rocha and ti=fine structure constant . home | research . Graca Rocha Last modified: Mon Aug 9 19:13:00 BST 2004

... The International Conference "Mode Conversion, Coherent Structures and Turbulence" will be held in the Space Research Institute of RAS during the period from 23 up to 25 November 2009. ... The international conference MSS-09 is organized by Space Research Institute with participation of the Russian Academy of Sciences, the Dynasty Foundation, the Russian foundation of fundamental researches, the European Geosciences Union, the Education and the Scientific Council on Nonlinear Dynamics of RAS. ...

I'm interested in the structure of interstellar ``clouds'' (filaments, sheets, or whatever) of gas and dust over a wide range of scales, from Galactic spiral arms to AU-scale features -- also how these structures form and interact. ... The possibility of clumpy dust scattering in the Pleiades reflection nebula, which might explain its otherwise surprising UV scattering properties . ... Intricate structure of H I emission and self-absorption in the CGPS . ... Fractal studies of molecular clouds . ...

... Laboratory for Spectroscopy of Molecular Structures . ... Optics and spectroscopy of molecular and liquid crystals, fullerenes, superthin molecular films. Optical studies of structure, phase transitions, pretransitional phenomena, structural modifications in external field and under high pressure. ... Methods developed in the laboratory enable to determine in free standing films of different types liquid crystals values of polarization, two-dimensional constants of orientational elasticity. ...

Next: Regularization of Van Up: Deconvolution Previous: Tikhonov's regularization and . If we use an iterative deconvolution algorithm, such as Van Cittert's or Lucy's one, we define , the error at iteration n : . ... The wavelet coefficients provide a mechanism to extract from the residuals at each iteration only the significant structures. ... is the standard deviation of the noise at scale j , and is a function which is defined by: . ... Regularization of Van Cittert's algorithm . ...

Next: Transparency of the Stochastic Up: Model of the Galaxy Previous: Frequency distribution of galactic . ... The parameters of the model resulted from a numerical fitting of various data, such as the observed distribution of the young star population and neutral hydrogen, the density of population II stars in the vicinity of the Sun, the galactic rotation curve and the dynamics and distribution of globular clusters   and dwarf irregular satellites of the Galaxy. ...

... We describe a parallel code for 3-D structure detection and morphological analysis. The method is based on a multiscale technique, the wavelet transform and on segmentation analysis. ... This paper presents a new parallel code, that allows a rapid structure detection and morphological analysis in a 3-D set of data points. ... Segmentation analysis. ... Our code is based on the programming paradigm MASTER/SLAVE . ... Finally, the morphological analysis is executed by the master. ...

... Gallery . ... Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: Main telescope structure . Description: Cassegrain spectrograph is gone, counterweight bay open, catwalk gone . ... Main telescope structure Cassegrain spectrograph is gone, counterweight bay open, catwalk gone . Powered by Gallery 3.0.9 (Chartres) . ...

Next: INCHWORM file structure Up: Appendices Previous: CHAMELEON file structure Contents . The HDS file format of raw data is described here. SESSION SESSION DATE _ CHAR *10 SYSTEMID _ CHAR *4 FORMAT _ CHAR *11 GENCONFIG INSTRCOHINT _ DOUBLE BEAMCOMBINERID _ INTEGER REFSTATION _ INTEGER INPUTBEAM TABLE NUMSID _ INTEGER STATIONID [ 3] _ CHAR *16 SIDEROSTATID [ 3] _ INTEGER DELAYLINEID [ 3] _ INTEGER BCINPUTID [ 3] _ INTEGER STARTRACKERID [ 3] _ ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . Corporation . OAO RSC "Energia" . ... Development of Organizational Structure . Company's History . ... Brief History of Rocket and Space Technology . ... Flights Chronology . ... ISS Russian Segment . ... Rocket Space Complexes . ... Development of organizational structure . Contribution of RSC Energia to the Russian Rocket-Space Technology . ... RSC Energia: Progress MS-02 docked with the ISS.' ... ROCKET SPACE COMPLEXES . ...

... We present a comparison of the surface density of young stars (неБ‹†) and dust surface density (неdust) across NGC 346 (N66) in 115 independent pixels of 6 ц— 6 pc2. ... We convert неdust to gas surface density (неgas) and неБ‹† to star formation rate (SFR) surface densities (неSFR), using simple assumptions for the gas-to-dust mass ratio and the duration of star formation. ... On small scales the неSFR derived using Hн± systematically underestimates the count-based неSFR, by up to a factor of 10. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 October 29 . Microwave Hotspots: The Oldest Structures Known . Credit: DMR , COBE , NASA . Explanation: These spots are the oldest, most distant structures known. ... A more detailed analysis might result after NASA 's Microwave Anisotropy Probe is launched in 2001. ... About APOD | ... NASA Technical Rep.: ...

... Development of Ideas of Structure and Evolution of Stars. Integral Features of Stars, Which Determine Their Structure, Direction and Rate of Evolutuion. ... Connection between Potential and Thermal Energy of Star. ... Structure of a Main Sequence Star. Features of Massive Stars Evolution on the Main Sequence. Internal Structure of the Sun. ... White Dwarfs, Their Features. ... Evolution from the Main Sequence of Massive Stars. ... Evolution of Small Mass Stars till White Dwarfs Sequence. ...

... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Universitetsky 13, Moscow 119899, Russia, shev@sai.msu.ru . ... 1.Sternberg State Astronomical Institute, 119899, Moscow, Russia. shev@sai.msu.ru . ... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Moscow 119992, Russia, shev@sai.msu.ru . ... 119992 Moscow, Russia; . ... 2Sternberg Astronomical Institute, Moscow University, Moscow, 119992, Russia, . ... Moscow, 119992, Russia shev@sai.msu.ru . ...

... Number of trailing spiral waves of surface density is equal m=3. ... The experiments have revealed banana-like anticyclonic vortices between the spiral arms in corotation region, drifting together with the spiral arms around the vessel axis, so that the joint spiral-vortex structure is formed. ... Nezlin M.,Rulov A., Snezhkin E. N., Trubnikov A. S., , Self-organizaion of spiral-vortex structures in shallow water with repid differenial rotation , Sov.Phys.JETP, 1987, v.65(1), pp.1-4. ...