... The orbit of this fragment H is considered as that of the maternal body. ... We have estimated the diameters of the maternal body for the different moments of disintegration. ... The 182 computations show that the maternal body of the nucleus was of 1.24 km in diameter, if its disintegration happened at the closest approach of the comet to Jupiter, and of 9.73 km, if the nucleus had been disintegrated two hours before the moment of approach. ...

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... Science . ... Science Users Information > Science and Technical Meetings > Conferences 2011 > Dynamics of Low-Mass Stellar Systems: From Star Clusters to Dwarf Galaxies . ... Science Users Information . ... Observing with ESO Telescopes . ... Science Software . ... ESO-MIDAS . ... Science Data Products Forum . ... ESO Data . ... ESO Science Newsletter . ... We aim at bringing together a mix of astronomers from both observations and theory that work on the dynamics of dwarf galaxies and star clusters...

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... Newcomb, Simon, "On the dynamics of the Earth's rotation, with respect to the periodic variations of latitude", Monthly Notices of the Royal Astronomical Society , 52 (1892), 336-341 [ Local PDF ADS link ]. ... Stephenson, Francis Richard Houlden, Michael A., "The Accuracy of TuckermanтАЩs Solar and Planetary Tables", Journal for the History of Astronomy , 12 (1981), 133-138 [ Local PDF ADS link ]. ... Astronomy and Astrophysics , 322 (1997), 347-351 [ Local PDF ADS link ]. ...

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... Сегодня: 10 апреля 2016 г. Американская корпорация General Dynamics, производитель самолетов Gulfstream, купит самолетостроительную компанию Galaxy Aerospace за $330 млн. Как сообщает информационное агентство Bloomberg, General Dynamics также вероятно выиграет заказ стоимостью около $2 млрд. от Executive Jet Inc. на поставку 50 самолетов Galaxy и комплектующих к ним. ... Galaxy является совместным предприятием Hyatt Corp. и Israel Aircraft Industries Ltd., которой владеет израильское правительство. ...

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... Assured of a reliable method of solving the normal equations, we now consider the equations of condition. The observed magnitude m of a star at M air masses with true instrumental magnitude is modelled as ([ 10 ], [ 28 ]) . ... The effective extinction coefficient depends on the effective spectral gradient [ 29 ] of the star, for which we use some color index, affected by half the atmospheric reddening ([ 26 ], [ 10 ]): . ... Thus, for the B band of UBV, we use the (U-V) color. ...

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... Complex wave regimes in distributed dynamic systems /Review/ . ... The work describes some very general types of bifurcations observed in distributed dynamic systems (primarily oscillatory, i.e., with a complex increment but not stochastic) and nonlinear spatial wave regimes arising as a result of these bifurcations. ... Use: Authors Title Abstract Text Text Query with Keywords Return: Query Results Query Form Database: Astronomy Instrumentation Physics and Geophysics ABSTRACT QUERY USER FEEDBACK...

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Chair of solid state physics . ... The Physics of Phonons . ... In the first part of the course “The Physics of Phonons” the dynamics of atoms in one- and three- dimensional crystalline lattices is considered in detail. The quasiparticle conception in solids, taking phonons as an example, is discussed; creation and annihilation operators of phonons, main properties of acoustic and optical phonons dispersion laws, density of phonon states. ... Crystalline state. ... Acoustic and optical phonons. ...

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... The Vela Pulsar s Dynamic Jet . ... Credit: G. Pavlov , M. Teter, O. Kargaltsev, D. Sanwal ( PSU ), CXC , NASA Explanation: The Vela pulsar is a neutron star born over 10,000 years ago in a massive supernova explosion . ... Highly magnetized and spinning over 10 times a second, the Vela pulsar is thought of as a cosmic high-voltage generator, powering the x-ray nebula and dynamic cosmic jet. ... NASA Official: Jay Norris. ... Publications with keywords: vela pulsar - neutron star - pulsar - jet . ...

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... 2003 July 3 . The Vela Pulsar's Dynamic Jet . Credit: G. Pavlov , M. Teter, O. Kargaltsev, D. Sanwal ( PSU ), CXC , NASA . ... Above, false-color x-ray images from the Chandra Observatory reveal details of this remnant pulsar's x-ray bright nebula along with emission from a spectacular jet of high-energy particles. ... Highly magnetized and spinning over 10 times a second, the Vela pulsar is thought of as a cosmic high-voltage generator, powering the x-ray nebula and dynamic cosmic jet. ...

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. Note: This material is from a 1994(!) Talk about CCDs - the physics remains the same, only the detector size has increased since then. ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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New reduction of minor planets photographic plates obtained with Pulkovo Normal Astrograph A.A. Berezhnoy Pulkovo Observatory of RAS, Saint-Petersburg, Russia Minor Planet observations at Pulkovo Periodical observations of 14 bright asteroids named Selected Minor Planets (SMP) were performed at Pulkovo since 1948 within the international framework started by works of B.V. Numerov and D. Brouwer. ... 108 133 113 74 124 67 97 88 14 84 64 5 20 19 Epochs (YYYY.MM) 1200 Mean values of total obs. ...

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... Tonight's Sky . ... The Magazine . ... Observing . ... Opportunityт??s devilish view from on high . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... High dynamic range imagery . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine...

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Наша Местная Группа галактик -- чрезвычайно динамичная система. ... Авторы считают, что галактики из группы IC342/Maffei , особенно IC 342 и Maffei 1 являлись в то время членами группы, до тех пор пока M31 не поглотила одну из карликовых галактик, входящих в эту группу (которая могла дать известное второе ядро в центре M31 ) от 5 до 10 млрд. лет назад. ... Видео-ролик о динамике группы IC342/Maffei . Другая анимация истории МГ и группы IC342/Maffei . ...

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... WORKSHOP "STELLAR ATMOSPHERES" . THE CHEMICAL AND DYNAMIC EVOLUTION OF STARS AND GALAXIES" . ... Chernomorka , Odessa , Ukraine . ... Modeling and interpretation of the stellar spectra of the usual and peculiar stars. Elemental abundances in the stars of different types and populations of the Galaxy. Chemical evolution of the stars and galaxies. ... Andrievsky S.M. (OAO ONU, Odessa, Ukraine) . ... CHEMICAL and DYNAMIC EVOLUTION STARS and GALAXIES" . ... Odessa mailto:astro@paco.odessa.ua . ...

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... The main task of this Working Group has been to review the state-of-theart knowledge of the Milky Way galaxy, to identify the future challenges, and to propose which tools (in terms of facilities, infrastructures, instruments, science policies) would be needed to successfully tackle and solve the remaining open questions. ... This Working Group has made recommendations that would allow dissecting our backyard laboratory, the Galaxy, even further. ...

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... Fundamental core Alfven mode ~20Hz Fundamental crust shear mode ~10 ­ 40 Hz Strong coupling leads to non-trivial dynamics. ... Initial crustal displacements decay in <second What happens then? crust · Global modes are strongly damped when inside Alfven continuum (L.06,07, Gruzinov 08) · cf. ... Crustal modes Alfven continuum (edge and gap modes) Tangling: effective shear modulus, discrete modes' grid Mass loading in the core (superfluidity, proton fraction) Transient QPOs Successes: 1. ...

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... Dynamic allocation is a pretty unique feature to C (amongst high level languages). ... queue.c */ /* Demo of dynamic data structures in C */ #include stdio.h #define FALSE 0 #define NULL 0 typedef struct { int dataitem; struct listelement * link ; } listelement ; void Menu ( int *choice); listelement * AddItem ( listelement * listpointer , int data ); listelement * RemoveItem ( listelement * listpointer ); void PrintQueue ( listelement * listpointer ); void ClearQueue ( ...

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. Корпус экспертов . Ключевые слова . Специализация по классификатору . 63. Lattice dynamics . 64. Equations of state, phase equilibria, and phase transitions . 65. Thermal properties of condensed matter . 71. Electronic structure of bulk materials . 72. Electronic transport in condensed matter . 73. Electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures . 75. Magnetic properties and materials .

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Next: New Image Quick-Look System for Subaru Telescope Data Archive . Up: User Interfaces, Visualization, Data Acquisition and Reduction . ... Panorapix is a new X11 client for visualizing FITS images on UNIX platforms, developed in the context of the TERAPIX project. ... As existing astronomical software was not able to display those huge images in an efficient way, a new visualization tool has been developed. ... Accepts images of any size, . Fast access to any part of huge images, . ...

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