... Proximity e#ects of com­ ponents (reflection of radiation and surface gravity darkening) are taken into account. ... As an example, we consider the Algol (# Persei) system, where an eclipsing pair (Algol A­B) is accompanied by the third component (Algol C). ... The surface temperature distribution for Algol A­B system before (upper plot) and after (lower plot) correction for temperature due to the irradiation e#ect. ... We solve this equation by the iterative Newton­Raphson method. ...

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Next: Feature enhancement: filtering Up: No Title Previous: Commentary . A sharp contrast is seen between the `crowded' energy map of the modulated oscillations (individual minima and maxima of the signal identified by the Mexican hat wavelet) in section 13 and and the `smooth' presentation of the norm-Morlet transforms of the same data in section 15. ... construct an energy map based on individual events. smooth the map by merging the events that are `close enough' to each other. ...

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• Gaussian Chirplet
• Energy distribution
• Warbling Chirplet: Analysis of Signals of Oscillating Frequency

Dwarf novae are a subclass of cataclysmic variable stars in which a late-type secondary fills its Roche lobe and transfers mass to a white dwarf primary via an accretion disc. ... Those spiral structures are very similar to the spiral shocks discovered by Sawada, Matsuda & Hachisu (1986) in 2D finite difference numerical simulations in accretion discs. In this poster, we want to compare 2D numerical simulations of accretion disc with the observations of SH2 . ...

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• Documentation
• Batch queue system CONDOR
• Mario van den Ancker

... Future seminars . P a s t seminars . ... M.V. Barkov (Space Research Institute) . ... In this paper, we re-examine the close binary scenario allowing for the possibility of late development of accretion disks in the collapsar model and investigate the available range of mass accretion rates, black hole masses, and spins. We find that the black hole mass can be much higher than 2-3 Msun, usually assumed in the collapsar model, and normally exceeds half of the presupernova mass. ...

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• CYlindrical GAmma-ray Monitor CYGAM -
• Prediction technique
• (Q-3) Atomic Energy Levels

Today's APOD | ... Editor's choices for the most educational Astronomy Pictures of the Day about black holes: . ... If alone, a black hole would indeed appear quite black, but many black hole candidates are part of binary star systems . So how does a black hole binary system look different from a neutron star binary system ? ... A black hole system so equipped would appear much darker than a similar neutron star system. ... APOD: 2004 February 24 - X-Rays Indicate Star Ripped Up by Black Hole . ...

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• Europa
• APOD Index - Stars: Neutron Stars
• APOD: June 16, 1995 - Neutron Star Earth

... COMPUTER SIMULATION OF RADIOWAVE MULTIPLE SCATTERING EFFECTS IN IONOSPHERE USING MONTE-CARLO METHOD . ... Distribution of reflected radiation on the ground is computed. ... Such influence can be remarkable if the scattering is multiple, i.e. the optical thickness for the scattering process is considerably greater than a unit. ... Radiation energy transfer in the slab is modeled by distribution of some particles carring small portions of radiation energy. ... The isotropic plasma approximation is...

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• Anomalous Absorption Theory
• Vladimir Marsakov Abstracts

Gravitational four-fermion interaction and dynamics of the early Universe I.B. Khriplovich, A.S. Rudenko Budker Institute of Nuclear Physics, 630090 Novosibirsk, Russia October 2013 According to common beliefs, present expansion of Universe is result of Big Bang. Quite popular idea is that this expansion had been preceded by compression with subsequent Big Bounce. ... Its energy density is = n4/3, is numerical factor, n1/3 is typical energy per particle. ... Solution of FLRW equations. ...

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• http://www.gao.spb.ru/english/publ-s/viii-rfs/p133.pdf
• http://www.gao.spb.ru/english/publ-s/viii-rfs/p059.pdf
• http://www.gao.spb.ru/english/publ-s/viii-rfs/p065.pdf

... A Hubble diagram for Quasars . ... The potential use of such relation as a cosmological probe is obvious: assuming no redshift evolution of the relation, the observed X-ray flux is a function of the observed UV flux, the redshift, and the parameters of the adopted cosmological model. ... In this framework, Guido Risaliti and Elisabeta Lusso (INAF-Arcetri Observatory) have recently published in the Astropysical Journal the first Hubble Diagram for quasars suitable for cosmological measurements . ...

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• Virgo Group - Gravitational Wave basics
• The Mystery of the Lonely Neutron Star (ESO Press Release 19/00)
• Abstract

Pulsar - the neutrone star. ... Its physical properties are greatly changed. ... Naturally after the discovery of pulsar connection with the remains of the supernew star outbursts it was supposed that the pulsars and the neutron stars are the same objects. ... In the external layer of a neutron star, where the substance dense is not so great to break the cores; they may from the hard chip structure, which at the pulsar rotation decreasing is broken the starquake. ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Science Fiction . ... The New Horizons science team€а is inviting everyone worldwide to vote for the names that will be given to the most prominent features on Pluto and Charon, Pluto?s largest moon. The pre-listed names are€а an eclectic mix from mythology and the literature and history of exploration. You can even nominate names to be added to the list. ... Yuggoth (H. P. LovecraftтАЩs name for Pluto) . ... Name * . ...

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• Dark matter and dark energy: the deepest mysteries in astronomy | Astronotes

... The close X-ray binary with relativisic jest, contained probably a black hole, Cygnus X-3 has been detected in first time in Gamma-rays at enegries higher 100 МeV (AGILE, Tavani et al., ... Koljonen K.I.I.; Hannikainen D.C.; McCollough M.L.; Pooley G.G.; Trushkin S.A. The hardness-intensity diagram of Cygnus X-3: revisiting the radio/X-ray states 2010, MNRAS, 406, 307-319. ... X-ray image of Cygnus X-3 (Chandra) . ... Light curves Cygnus X-3 in gamma-rays (AGILE) and in radio cm-bands (Ryle tel., ...

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• Detection of unique bright radio flare of X-ray binary
• Detection of radio pulsar pairs
• Galaxy sector, archive 2014

... 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. ...

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• ION AND ELECTRON ENERGY DETECTOR PAN-2

... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...

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• Theoretical Astrophysics Department
• Description of the RadioAstron project, english version

... Grain boundary (GB) segregation in binary systems was traditionally classified into two types: the Langmuir-McLean (LM) and Fowler-Guggenheim (FG) types which differ in the continuity of temperature- or concentration-dependence of impurity amount at GBs. ... It was suggested from this new isotherm that a binary system with solute segregation less than one monolayer at general GBs obey the LM type, no matter how high the interchange energy is. ... The schemes of both types are plotted as Fig. ...

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• Spectroscopy of Semiconductors and Dielectrics
• BRIZ: a vizualization program for Brillouin zone ? Fermi sphere
• Theoretical department of ISSP RAS

... Master . ... Participants . ... Zel'dovich asteroid . ... YaB-100 conferences . ... Gnedin Yu.N. Investigation of vacuum polarization in strong magnetic fields of neutron stars: Zel'dovich ideological impetus . ... Doroshkevich A.G. Beyond the limits of the LambdaCDM cosmology . ... Illarionov A.F. Title is discussed . ... Imshennik V.S. Title is discussed . ... Polnarev A.G. Polarization of CMB generated by Cosmological Gravitational Waves . ... Ruzmaikin A.A. A game of chance . ...

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• YaB-100 - Programme

Microsymposium 40, abstract 88, 2004 (A4 format) GAMMA RAYS FROM MAJOR ELEMENTS BY THERMAL NEUTRON CAPTURE REACTIONS: EXPERIMENT AND SIMULATION FOR PLANETARY GAMMA-RAY SPECTROSCOPY. ... Then the calculation can be restarted by producing gamma rays and let them trans- GAMMA RAYS FROM MAJOR ELEMENTS BY THERMAL NEUTRON CAPTURE REACTIONS: N. Yamashita et al. port and react, with initial energies determined the outside multiplication and initial locations wh neutron capture reaction took place. ...

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• http://selena.sai.msu.ru/Ber/Publications/PASJ2449modified.pdf
• Geophysical Research Abstracts

M. S. Raghunathan Tata Institute of Fundamental Research Mumbai, India msr@math.tifr.res.in On the first Betti numb er of compact lo cally symmetric spaces This talk is a survey about the first Betti number of a compact locally symmetric space X . ... Y. Matsushima studied first the case when all factors of X have rank (=dimension of a maximal totally geodesic flat sub manifold) 2. ... This expectation has proved to be correct in a large number of cases, the first results being due to Kazhdan. ...

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• http://www.mccme.ru/tg2007/talks/Suprunenko.pdf
• Artin L-functions (Spring 1997)
• IUM10 conference: M.Verbitsky

... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Misconceptions: Astrology
• Phil Plait's Bad Astronomy: Bad TV

You might wonder how a black hole could be found if nothing including light can escape from it. ... HDE 226868 is a massive blue supergiant star; its companion is believed to be a black hole, surrounded by an accretion disc of gases from HDE 226868 which are spiraling into the black hole. ... Three other objects -- LMC X-3 in the Large Magellanic Cloud galaxy, and A0620-00 and V404 Cygni in our galaxy -- are also believed to have black holes as one of their components. ...

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• ASP: There's More to Light Than Meets the Eye
• ASP: Beacons in the Gloom
• ASP: Unveiling Black Holes in a Supernova Cauldron

... In 1959 the Government Decree enacted OKB-1 to initiate work on the development of ballistic rockets using solid propellant RT-1 with a warhead flight range of 2 500 km, a launch mass of up to 35 t, and a combat charge mass of 500 kg. In parallel, the tasks were pursued to implement work on RT-2 assuming the development of a ballistic rocket with a warhead flight range from 10 000 to 12 000 km and a combat charge mass of up to 500 kg. ... Official WEB-site of S.P.Korolev RSC Energia . ...

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• RSC "Energia" - History
• INTERNATIONAL SPACE STATION