... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

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... Apache HTTP Server Version 2.2 . ... Allows the setting of environment variables based on characteristics of the request . ... setenvif_module . ... The mod_setenvif module allows you to set internal environment variables according to whether different aspects of the request match regular expressions you specify. ... Environment Variables in Apache . ... The BrowserMatch is a special cases of the SetEnvIf directive that sets environment variables conditional on the User-Agent HTTP request header. ...

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• mod_cgi - Apache HTTP Server
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• CHIANTI atomic database

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2011 March 26 . T Tauri and Hind's Variable Nebula . ... Explanation: The yellowish star near center in this remarkable telescopic skyview is T Tauri, prototype of the class of T Tauri variable stars. Nearby it is a dusty yellow cosmic cloud historically known as Hind's Variable Nebula (NGC 1555). ... About APOD | ...

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• APOD: 2007 December 13 - T Tauri and Hind's Variable Nebula
• APOD: 2014 May 3 - T Tauri and Hind s Variable Nebula
• General Catalogue of Variable Stars: Vols I-III (the new electronic version).

... Curriculum Vitae Observations and theory of star cluster formation 22) A.K.Dambis and Yu.N.Efremov Journal for History of Astronomy, 31, 115-134, 2000 Dating Ptolemy's star catalogue through proper motions: the Hypparchan epoch 23) B.G.Elmegreen, Yu.N.Efremov, S.Larsen Astrophys. J., 535, 748 - , 2000 A young globular cluster in the galaxy NGC 6946 24) Yu.N.Efremov. ... 28) Yu.N.Efremov. ... The location of star complexes in the Galaxy was studied in papers with E.Alfaro, L.Berdnikov and T.Sitnik. ...

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• Отдел Изучения Галактики и переменных звезд
• Division of the Galaxy and Variable Stars
• Shugarov's Home Page

... 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). ...

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• LWN: Driver porting: per-CPU variables
• Further Data Types
• The C Preprocessor

Next: The LASCO Data Archive . Previous: The XTE Data Finder (XDF) . ... The TYcho Catalogue (TYC) will contain astrometric and mean (de-censored) photometric data of some 1,058,000 objects. ... This paper presents an access and research tool for the TYC and the TEPA to be used locally with widget based GUIs or remotely by HTML-form based WWW-pages. ... Since the TEPA catalogues are intended to be used together with the TYC the user will have access to all published data of a particular star. ...

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• ADASS 2003 Conference Proceedings
• Data Access Layer to Support Variable Inputs Using C

Underdetermined sets is a new type of data structures (terms) developed in Actor Prolog . ... The point is that an underdetermined set can include some indefinite rest (a tail) like a list in usual Prolog . At the same time, the order of elements of an underdetermined set can be arbitrary one and it does not affect results of unification of underdetermined sets. Moreover, Actor Prolog guarantees that a rest of an underdetermined set never contains elements that are explicitly given in the set. ...

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• Getting Started in Actor Prolog. The idea of Logical Actors.
• Actor Prolog User Guide. Residents.

ASTRONOMICAL YEARBOOK (in Russian) . ... It contains the ephemerides of the Sun, the Moon, major planets, and stars computed with the maximum precision in the accordance with the resolutions approved by the International Astronomical Union (IAU). From AY-2016 the ephemerides EPM2011 developed at IAA RAS was used as a ephemerical basis for the calculation of ephemerides of the Sun, the Moon and major planets with accuracy adequate to DE ephemerides. ... ASTRONOMICAL YEARBOOK . ...

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• AY2006 (preface)
• AY2011 (preface)
• AY2015 (preface)

Authors: T.V. Borkova , V.A. Marsakov , . ... It is found that dispersions of spatial and kinematics characteristics of field stars change abruptly when the metallicity crosses the boundary [Fe/H] -0.95 . ... По опубликованным прецизионным наземным и спутниковым измерениям собственных движений, компилятивным лучевым скоростям и фотометрическим расстояниям вычислены компоненты пространственных скоростей и элементы галактических орбит для 174 переменных звезд типа ab RR Лиры околосолнечной окрестности. ...

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• RR LYRAE VARIABLES SUBSYSTEMS IN THE GALAXY, figures
• Vladimir Marsakov. Catalogues

In the scalar Helmholtz equation the variables are separated in 11 physically interesting coordinate systems [ 55 ], however for the vector field containing 3 scalar functions, the complete separation of variables is possible only in 6 systems: Cartesian, 3 cylindrical, conical and spherical ones ([ 55 ], Ch.13). Therefore, the formal solution suggested in 1927 by F. Moeglich [ 368 ] for the spheroidal coordinates was practically usefulness until the work of Sh. ...

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• Database of Optical Properties -- Level: subsubpage
• Separation of variables method
• Database of Optical Constants -- Level: welcome

... Tonight's Sky . ... Search By Name Enter coordinates Use current location . ... Observing . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... How do astronomers use Cepheid variables to measure distances? ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• variable stars | Astronomy.com
• The double star Adhara, globular cluster NGC 2298, and Hubbleт??s Variable
• variable nebulae | Astronomy.com

... Stars . ... Cepheid variable stars have been known since the 18th century. ... Regularly brightening to a peak over days, weeks or months before fading these variable stars were remarkable curiosities to astronomers in past centuries.€а The term Cepheid is taken from the star Delta Cephei in the constellation of Cepheus, which was identified as variable€а in 1784 by the teenaged prodigy John Goodricke (1764-96). ... Tweets that mention Cepheids: Inconstant Stars which break the rules | ...

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Next: C.J. Butler, Research Astronomer Up: Research Previous: M. de Groot, Senior Contents . Dr Bill Napier continued his research into the origin and evolution of interplanetary dust, the effects of dust and small-body impacts on the Earth, and the analysis of extragalactic redshifts. ... Reviews of the small-body impact hazard, and the dust hazard, on timescales relevant to civilization, were prepared and published. ...

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• Influence of Climate Variables on Tree-Ring Widths of Different Species
• M. de Groot, Senior Research Associate
• DIRECT MASSES FOR BXCIR AND PVTEL VARIABLES

... Observing . ... Home Education Workshops at Adorama Astronomy Workshop: Observing Variable Stars from the City ? February 15, 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Presented by€а Adorama €аFor the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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... Be/X-ray binaries and candidates", Natalya V. Raguzova and Sergei B. Popov, Astron. ... Population Synthesis of Binary Be Stars with Degenerate Companions in the Galaxy", Natalya Raguzova, Astrophysics and Space Science, v.281, p.641-649 (2002) . ... The Evolutionary Evidence for Be/Black Hole Binaries", Natalya V. Raguzova and Vladimir M. Lipunov, The Be Phenomenon in Early-Type Stars, IAU Colloquium 175, ASP Conference Proceedings, Vol. 214, edited by Myron A. Smith and Huib F. Henrichs. ... 1998 ...

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• Be/X-ray binaries and candidates
• Astronomical Periodical Publications
• Periodic radiosource LSI+61 303

. На главную страницу НМУ . [ Postscript (20K) | Zipped postscript (8K) ] . Голоморфные функции и отображения. Феномен Хартогса. Оболочки голоморфности. Голоморфная выпуклость. Многообразия Штейна. Псевдовыпуклость и плюрисубгармоничность. Решение $\bar d$-уравнения по Хермандеру. Топология многообразий Штейна по Элиашбергу и Гомпфу.

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• Cellular automata (Fall 2004)
• Dubna-2004: On functions of complex variables
• IUM10 conference: S.V.Duzhin

... Редуктор фокуса CCD f/3.3/Field Flattener and Variable T-Adapter . ... Редуктор фокуса устанавливается на выходе оптической системы и применяется для уменьшения эквивалентного фокуса телескопа, при этом увеличивая общую светосилу. ... Данный редуктор используется при фотосъемке для уменьшения общей экспозиции на 80%. ... Зеркальные цифровые фотоаппараты PENTAX . ... Бинокли PENTAX и зрительные трубы PENTAX . ... Pentax.ru . ... Copyright PENTAR ї2004-2016. (бинокли, цифровые фотоаппараты, телескопы)...

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Stellarium 0.12.3 . ... Classes . ... ClassљList . ClassљIndex . ClassљHierarchy . ClassљMembers . ... Variables . ... aggregatedLog : StelQGLGLSLShader . ... altitude : StelLocation . ... defautAngleForGravityText : StelProjector::StelProjectorParams . ... epoch : varstar . ... info : Planet::SharedPlanetGraphics , StelModuleMgr::PluginDescriptor . ... locked : StelQGLInterleavedArrayVertexBufferBackend , StelQGLArrayVertexBufferBackend . ... state : StelQGLGLSLShader , StelLocation . ...

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• Stellarium: StarMgr Class Reference
• Stellarium: Class Members
• Stellarium: Class Members - Functions

... This is a list of known variable stars near galaxies. ... IAUC 7482 . ... M31 . Nova M31 2008-11b . ... Nova M31 2008-08e . ... CBAT M31 page . ... IAUC 4059 . ... NGC 4013 . ... IAUC 6920 . ... PSN J12025798+0450397 . ... PSN J13343998-2340528 . ... MCG -2-37-6 . Galactic Variable . ... NGC 6340 . ... IAUC 8153 . ... Variable near UGC 10700 . ... Variable near MCG +07-36-33 . ... IAUC 7141 . ... NGC 6822 . Variable near NGC 6822 . ... IAUC 8141 . ...

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• Historical Supernova Boneyard
• Common problems
• Supernovae M33varC in M33

II/214A Combined General Catalogue of Variable Stars (Kholopov+ 1998) ================================================================================ The Combined General Catalogue of Variable Stars, 4.1 Edition. ... General Catalogue of Variable Stars Volume IV, 4th ed. The cross-identification tables. ... 1K Kholopov P.N., Samus N.N., Durlevich O.V., Kazarovets E.V., Kireeva N.N., Tsvetkova T.M., 1990, General Catalogue of Variable Stars, 4rd ed., vol.IV(Moscow, Nauka Publishing House, Cat. ...

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• NGC description
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• Uppsala General Catalogue of Galaxies