Milky Way X-ray background emission « »: , . ... RXTE , . ... Using near-infrared Galaxy intensity measured with COBE/DIRBE experiment and X-ray data from RXTE and INTEGRAL it was shown that X-ray brightness of the Galactic background emission closely follows its stellar density and can be explained by a cumulative emission of a large number of weak Galactic X-ray sources. ... Map of Galactic background emission in hard X-ray energy band obtained with INTEGRAL observatory. ... 2006, &, 452, 169 ., ...

Geometric group theory is the study of groups from the geometric viewpoint. ... Background from group and graph theories. Word problem. Cayley graphs. The word problem and Cayley graphs. Dehn's solution to the word problem for the hyperbolic surface groups. Coxeter groups. Tits' solution to the word problem for Coxeter groups. Cayley graphs and group actions. ... Introduction to Gromov hyperbolicity. ... P. Scott, T. Wall, Topological methods in group theory, London Math. ...

... Submitted by Al Takeda on 01/01/2015 18:28:32 . Comet Lovejoy (C/2014 Q2) in the constellation of Columba . It is the 5th comet discovered by the Australian amateur astronomer, Terry Lovejoy using an 8-inch telescope. This comet has a very long orbital period of 11,500 years. ... On January 1, 2015, Comet Lovejoy is in the constellation of Lepus and is visually a 5.6-magnitude glowing fuzz ball in moderately sized telescopes. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Another significant contribution to the crystal energy of metals is the electron-ion interaction or the electron bandstructure energy (E BS ) which is defined by the interaction of valence electrons and the Brillouin zone (BZ) planes. ... The program BRIZ has been developed for 3D visualization of Brillouin zone configurations and intersections of BZ planes with a Fermi sphere[4]. ... 1.75 (electrons/atom). ... 4] Degtyareva V.F., Smirnova I.S.: BRIZ: a vizualization program for Brillouin zone ? ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... 2/3-m Telescope . ... Irvin M. Winer . ... Science . ... Tom Kaye, an amateur astronomer from the Chicago, Illinois area, installed his Tau Boo campaign equipment at our facility in mid-February, 2000. ... The custom unit fed the starlight to an optical fiber that transmits the light to a bench spectrograph located in the Winer machine shop. ... The daily results from mid-February, 2000 to early March, 2000 are shown on the left. ...

June 11-13, 2007 S.P.Korolev RSC Energia – MCC-M, . ... On June 10, 2007 the International Space Station (ISS) received another manned vehicle. In addition to Soyuz TMA-10 crew rescue vehicle attached to the station, the US Space Shuttle Atlantis mated to the ISS. ... The onboard crew conducted video imagery of the vehicle external surface. The crew commander Fyodor Yurchikhin (test-cosmonaut, S.P. Korolev RSC Energia) conducted photo imagery of several phases of this process. ...

... Galaxies 99 Cosmic background with model of cloudy interstellar medium Yu. ... Figure 1: Averaged spectrum of the cosmic background I f in frequency range 0.25 200 MHz for the Galactic poles. ... First interpretation of the cosmic noise background spectrum at broad band frequency range 0.25 200 MHz with a model of the cloudy interstellar medium ISM is presented here. ... Synthesized background spectra I f for regions of the Galactic poles at the frequency range 0.25 200 MHz is presented in Fig. ...

Stellarium 0.12.3 . ... Classes . ... Scripting . ... Scripting Engine . ... Script Console . ... Since version 0.10.1, Stellarium includes a scripting feature based on the Qt Scripting Engine . ... Prior to version 0.10.0, Stellarium used a different scripting engine called StratoScript . ... Prior to version 0.10.0, Stellarium had a simple scripting engine, known as StratoScript . ... This script prints "Hello Universe" in the Script Console output window. core.debug( "Hello Universe" ); . ...

... Информация Руководство и преподаватели Мясников Евгений Валерьевич . ... Публикации . ... Myasnikov E.V. A Nonlinear Dimensionality Reduction Using Combined Approach to Feature Space Decomposition // CEUR Workshop Proceedings, 2015, , , 2015 г., P. 85-95 . ... Myasnikov E.V. Application of the nonlinear dimensionality reduction method with the use of reference nodes for solving the problem of multidimensional data search // Pattern Recognition and Image Analysis. 2015. ...

... Under certain conditions, like those in the nucleus of a QSO, all atoms can be made to emit light at particular wavelengths. ... If that source is approaching the observer, the wave is squashed up onto itself making the wavelength shorter. ... This is redshift. ... You can see how the section of the QSO spectrum which we observe changes with redshift. ... We then see how far we had to slide the observed spectrum along the scale to make it match and that is the objects redshift. ... The 2QZ team . ...

AMPLE 3 тАФ Multi-purpose Software Package for Asteroids and Comets . Dealing with minor bodies of the Solar System one badly needs appropriate software tool to plan and treat observations, to estimate parameters of selected groups, to visualize orbital motion, and more. ... Two variants of the package were developed and put in use for specific tasks, i.e., Ample for Comets and MUSE. ... User may select types, groups and families of minor bodies in one click on appropriate checkbox. ...

... Research . Projects . ... The name of the project APEX is a reduction from words " Active Plasma Experiments " . The core of the project are active experiments with injection of electron and (or) plasma beams from a board of the satellite with simultaneous registration of the phenomena, produced by interaction of injected beam with background plasma. ... Active experiments utilise modulated electron beam accelerator and source of modulated xenon plasma beam on the main spacecraft APEX. ...

Apache Tutorial: Introduction to Server Side Includes . ... Basic SSI directives . ... SSI (Server Side Includes) are directives that are placed in HTML pages, and evaluated on the server while the pages are being served. ... You can tell Apache to parse any file with a particular file extension, such as .shtml , with the following directives: AddType text/html .shtml AddHandler server-parsed .shtml . ... XBitHack tells Apache to parse files for SSI directives if they have the execute bit set. ...

. Предисловие. Введение. Глава 1. НЕМНОГО ТЕОРИИ. 1. Свет, оптические детали и характеристики систем. 2. Конические сечения. Поверхности вращения. 3. Как работает телескоп? . 4. Простейший телескоп. 5. Аберрации. 6. Ахроматические линзы. 7. Идеальный объектив и тонкая структура изображения. 8. Разрешающая сила телескопа. 9. Предельные увеличения телескопа. 10. Эффективность телескопа. 11. Типы телескопов.

Общая Астрономическая Конференция > Товары для астрономов > Полезное для астрономии . Supernovae: and How to Observe Them (Astronomers' Observing Guides) . ... Поиск . ... Созвездия (поиск и описание) .. Созвездия южного неба (поиск и описание) .. Осенние созвездия (поиск и описание) .. Летние созвездия (поиск и описание) .. Околополюсные созвездия (поиск и описание) .. Весенние созвездия (поиск и описание).. Зимние созвездия (поиск и описание) .. ...

To see a Russian version of this page, click here . ... Bochkarev Nikolai Gennadievich . astrophysics researcher: . born: Moscow, May 19, 1947; . ... Jr. researcher Sternberg Astronomical Inst., ... Soviet (Russian) Working Group on Interstellar Matter, Moscow , 1979-; . ... Madison, 1991. ... ALocal Interstellar Matter, 1990, . Basic Physics of the Interstellar Matter, 1992; co-author: . ... Physics of Interstellar Matter, 1979; . ... All-Union Astronom. Geodesical Soc., ... Astronom. ...

Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

... Paper analyses Russian view of its involvement into international space cooperation and associated Western concerns. ... a) as a global market of space products and services, or . ... Nowadays, when the Russian rocket and space industry suffers from the end of the Cold War and transition from plan to market economy, Russia counts to benefit from offering its capabilities at the global space market. ... A principal offer of Russia to a global market is a space launch capability. ...

Альтернативный форум . Scientific.ru Все форумы . ... Котофеич (@) - 10.01.2007 14:00 . ... Re: Astronomers Create 3D Map of Dark Matter Space.com 07 January 2007 01:37 pm ET Усачев В.М., 11.01.2007 00:19 . ... Re: Astronomers Create 3D Map of Dark Matter Space.com 07 January 2007 01:37 pm ET Котофеич, 10.01.2007 13:55 . ... Re: Прочел и привожу текст, меня вомутивший. Анатолий Рыков, 11.01.2007 08:53 . ... Re: Прочел и привожу текст, меня возмутивший. ... Hyperboloid, 11.01.2007 15:44 . ...