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• Introduction to SCons Bojan Nikolic web pages (r. 329)
• OptInt PmWiki : MROIFastTipTilt / Tech Meet 13

In this talk I give an introduction to generalizations of the Riemann zeta function called "Weyl group multiple Dirichlet series". Weyl group multiple Dirichlet series are sums in several variables whose coefficients involve Gauss sums and also reflect the combinatorics of a given root system. ... These functions and their residues unify and generalize a number of examples which have been previously treated individually, often with applications to number theory. ...

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• Periods associated to motives (Spring 2014)
• Conference "Zeta Functions"
• Conference "Global Fields"

... Suffisamment, en tout cas, pour qu'Г l'Е'il, l'unitГї se fonde dans le multiple.. ... Une barre hautement symbolique qui mГїritait que Ciel & Espace fouille, au-delГ des apparences, la diversitГї et la multitude des mondes qu'elle suppose. ... Le premier est que les exoplanГЕtes sont bien plus diversifiГїes qu'on ne l'avait imaginГї. ... La grande variabilitГї des corps, dГїjГ observГїe dans le SystГЕme solaire, se confirme et autorise les spГїculations les plus audacieuses. ...

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• Deux plan†иtes †йclipsent leur †йtoile | Ciel et Espace
• Lire/Voire/Ecouter | Ciel et Espace
• DГїcouverte de 715 nouvelles planГЕtes extrasolaires | Ciel et Espace

... Bad Astronomy . ... Bitesize Astronomy . ... The Nine Planets . ... It isn't the first extrasolar planetary system to be discovered; the first planet outside our own solar system orbiting a normal Sunlike star was discovered in 1995. ... Still, this is the first solar system ever found besides our own to definitely have more than one planet. This is an important discovery: most people all along have been assuming that multiple planet systems exist, but we had never actually seen one. ...

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... Les couleurs de l'arc-en-ciel constituent "le spectre de base" de toute la lumi?re visible. ... Toute lumi?re color?e est un ensemble de "composants spectraux", exactement comme divers sons musicaux incluent les tons de base (souvent rassembl?s en gamme, par exemple pour les cordes) . ... toutes les couleurs. ... travers des filtres dans les gammes ?troites de couleur ?mises par les substances choisies (c.-?-d. les"lignes spectrales"), et montrent beaucoup de d?tails sur les r?gions solaires actives...

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• INTERBALL Zvenigorod Symposium, February 8-13, 1999
• (FQ-1) Physique Quantique
• The Second Announcement

. First page Back Continue Last page Graphics .

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• Astrodynamics 101
• Armagh Observatory

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Earth Satellites . ... By admin October 4, 2012 Posted in: Moon . A tiny second moon.This is Phobos (27 km across) seen over Mars by ESA's Mars Express (Image credit:ESA) . ... They concluded that at any given time Earth probably has a second moon. ... But, just perhaps, briefly the Earth had a second natural satellite seen by thousands of people.Remember the spectacular fireball witnessed over the UK and Ireland on 21 September 2012 ? ...

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ATMoB "Double Star Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston ­ in particular, double, triple, and multiple stars. Introduction: Double, triple, and multiple stars are the "Rodney Dangerfields" of the night sky. ... W hile they can be observed under a variety of sky conditions, double stars ­ especially close ones ­ are best viewed on nights when the seeing is steady. ... The direction from a star to Polaris is north. ...

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• Amateur Telescope Makers of Boston

... An artificial comet holds secrets to Earths life . ... space flight . ... space physics . ... NASA's Hubble Space Telescope spots Mars-bound comet sprout multiple jets . ... This is a series of Hubble Space Telescope pictures of Comet Siding Spring (C/2013 A1) as observed on October 29, 2013; January 21, 2014; and March 11, 2014. ... The image captured March 11 by NASA s Hubble Space Telescope shows Comet Siding Spring (C/2013 A1) at a distance of 353 million miles (568 million km) from Earth. ...

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• Kepler discovers multiple planets orbiting a pair of stars | Astronomy.com
• Astronomers catch multiple-star system in first stages of formation |
• Multiple mergers generate ultraluminous infrared galaxy | Astronomy.com

Do we need various assumptions to get a good FCN? A new multiple layer spectral method Cheng-li HuangMian Zhang Shanghai Astron. ... No FCN ! ... FCN,FCN,FCN.. Multiple layer spectral method (MLSM) + Linear Operator Method (LOM) Finite Element Method (FEM) · · Traditional approach solves one order ellipsoid only. ... Main Idea of FEM Boundary Surface could be described as: Let's consider how to solve the dynamic equation: Traditional Approach: Equivalent Spherical Domain . ...

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... Just as magnetic storms are composed of substorms, the substorms themselves seem to be composed of smaller scale events. ... steplike expansion of the auroral bulge (Vorobjev and Rezenov, 1973; Sergeev and Yahnin, 1979; Murphree and Cogger, 1992; Nakamura et al., 1993) . ... 1990) . ... fine structure in the bursts of bremsstrahlung X-rays (Lazutin et al., ... Nakamura, R., T. Oguti, T. Yamamoto, and S. Kokubun, Equatorward and poleward expansion of the auroras during auroral substorms, J. Geophys. ...

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• Comet Halley
• SIMP > physical > vortices > env0408052019
• SIMP > physical > vortices > modis0408051040

Peremennye Zvezdy", . ... Max . ... Comment . ... Data . ... RRC . ... see Comments) . ... CSS_data_1.txt 1SWASP_data_1.txt . ... GSC 2010-00224 . ... The variable was classified as an RRC star with the light elements: Max = JD 2450503.429 + 0.403114 x E. This period is wrong (one-day alias of P 1 , see the Table). ... The variable was classified as an RRC star with the light elements: Max = HJD 2452577.181 + 0.394196 x E. This period is wrong (it is a one-day alias of the P 1 , see the Table). ...

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• Астронет > A Gallery of Gravitational Mirages
• A Gallery of Gravitational Mirages
• Microlensing of the Einstein Cross

... Mission profile SHM configuration Reliability Dnepr LV Performance Launch Sites . Baikonur Cosmodrome Yasny launch base Downloads . ... On April 6, 2009, Chairman of the Government of the Russian Federation signed a Decree on performance in accordance with the established order of a launch of RS-20 rocket carrying DubaiSat-1 (United Arab Emirates), Deimos-1 (Spain), UK DMC-2 (Great Britain), NanoSat-1B (Spain), AprizeSat-3 and AprizeSat-4 (USA) satellites from the Baikonur Cosmodrome. ...

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... Hierarchy and stability 3. Stability criteria for triple systems 4. ... The results for selected systems with weak hierarchy (physical properties of components) System HD 40887 AB+CD HD 76644 AB+CD HD 217675 AB+CD HD 222326 A?+BC HD 284419 A+BC Spectral types K5V, M0V, K4V, ?? ... More accurate results for selected systems HD 217675/6 ( And) Quadruple system More accurate results for selected systems HD 217675/6 Pair B1B 2 More accurate results for selected systems HD 217675/6 (Zhuchkov et al. ...

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MULTIPLE SCATTERING OF LIGHT BY A LAYER OF DISCRETE RANDOM MEDIUM. BACKSCATTERING V.P.Tishkovets Astronomical observatory of Kharkov National University Sumskaya St.,35, Kharkov, 61022, Ukraine E-mail: tishkovets@astron.kharkov.ua Abstract The problem of multiple scattering of light by a layer of discrete random medium is considered. ... Backscattering of light incident normally to the plane of the layer is considered. ... Equations for calculation of these matrices are given. ...

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• Brown et al., AA, V. 426 (2004)
• Geometrical optics approximation (GO)
• INTAS project 2003

. -!> download . Left: Consequtive explosion of 20 supernovae during 30 Myr. Right: Single hypernova (GRB) explosion with the total energy equivalent to 20 supernovae. The simulation was performed using a 2D Eulerian hydro code. The animation was done using IDL. -!>

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• Scientific Directions Achievements
• MONTE-CARLO

National Aeronautics and Space Administration . ... Neil A. Armstrong . NASA Astronaut (deceased) . ... Died on August 25, 2012. ... His first assignment was with the NACA Lewis Research Center (now NASA Glenn Research Center) in Cleveland. Over the next 17 years, he was an engineer, test pilot, astronaut and administrator for NACA and its successor agency, NASA. ... Gemini 8 was launched on March 16, 1966, and Armstrong performed the first successful docking of two vehicles in space. ...

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• Payload Specialist Bio: Leslie 01/11
• JSC Celebrates 40 Years

... The formation of multiple images of a distant quasar by the gravitational lensing effect of a foreground galaxy may be very simply, and faithfully, accounted for by a wine glass experiment. Figure 1. In the wine glass experiment, a bright compact light source (at the top of the photo) serves as a distant quasar. The wine glass on the table distorts the light rays from the "quasar" and produces a caustic having with a triangular shape (see enlargement in Figure 3 ). ...

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• Multiple Universes and Cosmic Inflation: The Quest to Understand Our Universe
• ASP: Responsible Exploration
• ASP: Good Astronomy Activities on the WWW

minmax - Find extreme values in data tables minmax [ files ] [ -C ] [ -H [ nrec ] ] [ -I dx [/ dy ] ] [ -M [ flag ] ] [ -: ] [ -bi [ s ][ n ] ] minmax reads its standard input [or from files] and finds the extreme values in each of the columns. It recognizes NaNs and will print warnings if the number of columns vary from record to record. ... C Report the min/max values per column in separate columns [Default uses <min/max> format] -H Input file(s) has Header record(s). ...

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• http://xray.sai.msu.ru/~ivan/gmt/man/gmtconvert.html
• http://xray.sai.msu.ru/~ivan/gmt/man/filter1d.html
• http://xray.sai.msu.ru/~ivan/gmt/man/gmtselect.html

... IRAF Multiple Extensions FITS (MEF) Files Interface Nelson Zarate National Optical Astronomy Observatories Tucson, AZ 85719 (zarate@noao.edu) Abstract. ... If there are no values to match then `extver' should be INDEFL. 3.2. mef rdhdr gn (mef,group) Read extension number `group'. ... The header should have been read by now. mefo The output file MEF pointer returned by mef open. 4.2. mef copy extn (mefi, mefo, group) Copy a FITS extension given by its number `group' into an output file. ...

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• http://www.stecf.org/conferences/adass/adassVII/reprints/lindep.ps.gz
• http://www.stecf.org/conferences/adass/adassVII/reprints/wangz.ps.gz
• http://www.stecf.org/software/IRAFtools/stecf-iraf/adass99/stecf.pdf