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... We present a computer program for modelling energy flux distribution and light curves of eclipsing binaries from far ultraviolet to infrared regions. The Roche model is assumed. Proximity effects of components (reflection of radiation and surface gravity darkening) are taken into account. ... Figure 1: The surface temperature distribution for Algol A-B system before (upper plot) and after (lower plot) correction for temperature due to the irradiation effect. ...

. Dedicated to 40th anniversary of the . first artificial Earth satellite launch . Russian (Win) .

The XPA messaging system provides seamless communication between many kinds of Unix programs, including X programs and Tcl/Tk programs. It also provides an easy way for users to communicate with these XPA-enabled programs by executing XPA client commands in the shell or by utilizing such commands in scripts. ... A program becomes an XPA-enabled server by defining named points of public access through which data and commands can be exchanged with other client programs (and users). ...

The Equatorial Inertial (GEI) coordinate system: . The X GEI axis is directed to the point of the spring equinox, . The Z GEI axis is coincide with the Earth's rotation axis, . The Y GEI supplements the right three. The Geographic (GEO) coordinate system: . ... The Solar Magnetic (SM) coordinate system: . ... About space physics coordinate transformation see Russel [1971] and Hapgood [1992] . ... M.A. Hapgood , Space physics coordinate transformations: A user guide // Planet Space Sci. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Space Flight . ... No Comments With a тАШspace-exploration CVтАЩ big enough to eclipse the achievements of most of the other space probes in its class, the Cassini-Huygens orbiter has revealed much from one of our [ ] . Continue Reading.. ... Posted on December 23, 2014 | ... 4 Comments One of the latest members of the Solar System to be discovered, 2012 VP113 is a tiny isolated world in the outer Solar System. ...

The FITS "World Coordinate System" (WCS) standard defines keywords and usage that provide for the description of astronomical coordinate systems in a FITS image header. ... I: "Representations of world coordinates in FITS" , Greisen, E.W. & Calabretta, M.R. (2002), Astronomy & Astrophysics , 395 , 1061-1075. ... This diagram illustrating Bonne's projection with conformal latitude +35 was produced by WCSLIB , a C implementation of the coordinate transformations defined in the FITS WCS papers. ...

Next: The Evolutionary Status of Up: No Title Previous: Massive X-ray Binaries . After 25 years of pulsar studies, a radiopulsar has been discovered in a binary system with a massive optical companion (Johnston et al. ... As shown in the very first calculations of joint evolution of NS and normal stars in binaries (Kornilov and Lipunov, 1983b[ 86 ]) a considerable fraction (maybe, the majority) of NS in binary systems having an optical companion must be at the ejector љ (E) state. ... Systems . ...

System of astrometric databases of Pulkovo observatory. 26-inch refractor . Pulkovo system of astrometric databases consists of three databases, which contain results of processing photographic and CCD observations, obtained with the 26-inch refractor and the Normal astrograph of Pulkovo observatory. Pulkovo photographic catalogs: Pul-2, Pul-3 (Pul-3 SE), Pul ERS . Results of photographic and CCD observations of Solar system objects . ... Normal Astrograph ...

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... 2011: . A comparison of radiation in the corona above the spot in the radio and X-ray ranges . In the observations of the 04.01.2011 solar eclipse at the RT-32 (the observatories Svetloe and Zelenchukskaya) and RATAN-600 radio telescopes the limiting angular resolution (1 arc second) in the eclipse observations in the microwave frequency range was reached for the first time, determined by the diffraction on the lunar limb. ... Archive . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Three sixth-form students from St Patrick's Grammar School, Armagh , used the Faulkes Telescope South in Australia in April to observe and measure HW Virginis , an unusual "binary" or double star system suspected to host one or two extrasolar planets orbiting the central stellar pair. ... Armagh Observatory and associated researchers hope to develop this work to look for further evidence of planet-hosting binary star...

... Tonight's Sky . ... The Magazine . News . Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... solar system . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Observe the Solar System . Astronomy for Kids . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... 2003 November 10 . An Intermediate Polar Binary System . ... Explanation: How can two stars create such a strange and intricate structure? ... Only a handful of stars, however, are members of an intermediate polar , a system featuring a white dwarf star with a magnetic field that significantly pushes out the inner accretion disk , only allowing material to fall down its magnetic poles. ... Intermediate polars are a type of cataclysmic variable star system. ... About APOD | ...

... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Magnetic fields and interaction in binary systems . ... Data Handling and Products . ... ESO Data . ... Close binary systems display signs of interaction between their stellar components, through tidal deformation, interaction of stellar winds. ... The student project will involve analysing fundamental properties of binaries and analysing their magnetic fields. ...

... An Intermediate Polar Binary System . ... Most stars are members of multiple-star systems . Some stars are members of close binary systems where material from one star swirls around the other in an accretion disk . Only a handful of stars, however, are members of an intermediate polar , a system featuring a white dwarf star with a magnetic field that significantly pushes out the inner accretion disk , only allowing material to fall down its magnetic poles. ... Accretion Disk Binary System . ...

Системные исследования и разработка спутниковых систем ДЗЗ; . Разработка и создание бортовых радиометрических средств в СВЧ-диапазоне; . Разработка методов дистанционной диагностики процессов в системе океан-атмосфера с помощью спутниковых средств СВЧ-радиометрии (синоптические океанические вихри, фронтальные зоны, течения, волны Россби, тайфуны и ураганы, явление Эль-Ниньо). ... Директор . ... 1-ый заместитель директора . ... 2014 НТЦ "КОСМОНИТ" ОАО "Российские космические системы" . ...

... The three optical trains for the cameras, and the pupil reimaging system, are mounted on a wheel, accurately driven by an external motor. ... The low-resolution spectroscopic mode uses the wide field camera and a suitable set of grisms and order sorting filters that are inserted in the parallel beam after the pupil. ... One of the five grisms can operate at four different orders, depending on the filter selected on the first filter wheel that acts as order sorter. ...

System Throughput and SNR / Exposure Time Estimation . ... In Table 6.1 the dimensionless efficiency and the mean wavelength for each filter are tabulated together with the effective width, the equivalent Gaussian dimensionless width, the maximum transmission, the derivative of the mean wavelength with respect to spectral index, the pivot wavelength, average wavelength, and wavelength of maximum transmission. ... The effective dimensionless Gaussian width is defined implicitly by . ...

... V838 Mon is a member of a new class of eruptive variables which appear as a peculiar novae having late K-M type spectra in their outburst. Before its outburst, it was a wide binary system of B3V type stars. ... The B3V companion was seen in the outburst in the UV spectrum taken with HST (Rauch et al., ... In the latest spectra, the light of B3V companion was predominating in the short-wave photometric bands. ... CCD blue frames of V838 Mon before the eclipse (left) and in the eclipse (right). ...