Next: Extinction efficiencies: general behaviour Up: Optical properties of cosmic Previous: Optical properties of cosmic . It is now evident that observed interstellar extinction cannot be explain using particles of only one kind. ... The intensity of radiation after passing a dust cloud is equal to . ... The interstellar extinction is . ... Next: Extinction efficiencies: general behaviour Up: Optical properties of cosmic Previous: Optical properties of cosmic root 2003-04-09 ...

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• intro3e
• Database of Optical Properties -- Level: subpage
• Database of Optical Constants -- Level: welcome

... There is an opportunity to perform O-C calculations for objects which are absent in the data base of the package. Such objects can be described by orbital elements or by initial coordinates and velocities. ... On pressing Edit file button user has a possibility to look through the list of object elements or their coordinates and velocities to add or to change it. ... For example, the designations of objects in the list can occupy the last position in each line. ...

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• ENGAMPLE
• AY2008 (preface)

Lab . Main page News People . ASA . Master . Master net Homepage . ... Lomonosov Moscow State University Sternberg Astronomical Institute . ... MASTER . ... Lomonosov (ShOK) . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . People, who work in lab . Latest news and news archive . ... All news ...

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... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...

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... Archives . ... The PCA and ICA is used for separating mixed components with some assumptions. ... The need of source separation methods in astronomy has led various adaptations of decomposition methods available. ... I rarely come up with a paper which gathered and summarized component separation methods applicable to astronomical data. In that regards, the following paper seems useful to overview methods of reducing dimensionality for astronomers. [arxiv:0805.0269] . ... Chandra Blog . ...

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• Spatial Region Boundaries
• QPOE Files
• Spectral Analysis

Contents] [Prev page] [Next page] [Index] . Navigator 4 from Netscape, which is part of the Communicator product suite, includes three new areas of functionality that taken together give you Dynamic HTML. The three components of Dynamic HTML are style sheets, content positioning, and downloadable fonts. Used together, these three components give you greater control over the appearance, layout, and behavior of your web pages. ... Introducing Downloadable Fonts . ...

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• Explanations for solar physics computing page
• Relationship Between Auto Chirplet FF Plane and Radon Transform
• A Simple Example With a Single Chirp Component

An example of visual expert system. The program is written on Actor Prolog. -- -- (c) Alexei A. Morozov, March 19, 1999. ... Actually I wrote this program to train myself -- -- in carrying out SADT interview. ... A logical description of the blocks of the SADT model. ... The main purpose of these classes is keeping lists of cooking -- -- battery corresponding to various blocks of the SADT model. ...

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• Getting Started in Actor Prolog. Oil Production.
• Getting Started in Actor Prolog. Component-Oriented Programming.

At Arcetri a Radio Astronomy observative and instrumental group is active. ... A catalog of all known maser sources north of -30 degrees is kept updated and is made available to anyone interested. ... The group is involved in the design phase for the Atacama Large Miillimeter Array , a (sub)millimeter interferometer with a large collecting area (about 10000 m2). ... H2O Maser Catalog . ... ADLB Autocorrelation spectrometer . ... Our involvement in the Atacama Large Millimiter Array ( ALMA ) project . ...

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• IBIS: Technical Description
• Descrizione tecnica NICS
• LonGSp: Optical Design

.

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• Evidence for Dark Matter
• THE HUBBLE LAW JAVA APPLET
• Heliocentric Cosmology Historical Cosmologies

Astronomy Picture of the Day . ... 21.10.1999 . ... Credit Copyright: Louis Strous ( LMSAL ), SOHO - MDI Consortium, ESA , NASA Explanation: The Sun rotates on its axis about once every 27 days. ... Just follow the sunspots . ... It shows the Sun's visible surface for most days of August 1999 so that the same sunspots appear many times as the solar rotation carries them across the face of the Sun . ... October 1999 . ... 1999 2000 . ... Publications with keywords: Sun - solar rotation - sunspot . ...

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• Астронет > Follow The Spots
• XWare > APOD

... DEPENDENCE OF ORDINARY WAVE ANOMALOUS ABSORPTION ON THE SOUNDING PROBLEM PARAMETERS . ... Transformation of electromagnetic wave into plasma waves plays an important role in different processes taking place in ionospheric plasma. ... According to modern point of view transformation of ordinary wave into plasma waves plays an important role in small-scale random irregularities generation when ionospheric plasma is heated by power radio wave [1,2]. ... Anomalous attenuation. ...

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• MONTE-CARLO
• Vladimir Marsakov Abstracts

National Aeronautics and Space Administration . Lyndon B. Johnson Space Center . ... SHANNON W. LUCID (Ph.D.) . nasa astronaut (former) . ... She is qualified for assignment as a mission specialist on Space Shuttle flight crews. ... A veteran of five space flights, Dr. Lucid has logged 5,354 hours (223 days) in space. ... Dr. Lucid retired from NASA in January 2012. ... In completing this flight, Dr. Lucid logged 838 hours and 54 minutes in space. ... FEBRUARY 2012 ...

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• Astronaut Bio: Michael Lopez-Alegria (11/2014)
• Astronaut Bio: Mark C. Lee 10/2006
• Astronaut Bio: Story Musgrave 8/97

O. V. Chuvashova Moscow State University Moscow, Russia chuvasho@mccme.ru Invariant Hilb ert schemes Let X be an affine toric variety under an algebraic torus T and let T T be a subtorus. The general T -orbit closures and their limits are parameterized by the main component H0 of the toric Hilbert scheme (whose existence follows from work of M. Haiman and T. Sturmfels [3]). ... M. Brion, Moduli of affine schemes with reductive group action, J. 14 (2005), no. ...

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• http://www.mccme.ru/~smirnoff/papers/svars_eng.pdf
• http://www.mccme.ru/dfc/2008/reports/Chelkak_Report10.pdf
• http://www.mccme.ru/dubna/eng/2009/qu09.txt

... Minute Values of Geomagnetic Field Components . ... AA 1868 - Present (3 hourly and daily) (monthly) (yearly) (Lists and histograms of geomagnetic disturbance and Solar Sunspots) KP_AP 1932 - Present (3 hourly and daily) (Lists and histograms of geomagnetic disturbance and Solar Sunspots) AE_HV 1957-75, 78-88 (hourly) AE_MIN 1978-881-6;198903;1990-94 (minute) DST 1957 - Present (hourly) PC 1975 - Present (15-minute) AMANAS 1959 - Present (3 hourly and daily) KMKNKS 1983 - Present (3 hourly) . ...

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• cat1aa

Pulkovo NEO Page . ... EPOS Software Package . ... EPOS ( E phemeris P rogram for O bjects of the S olar system) is the Windows PC application for study and ephemeris support of observations of the Solar system objects. ... It controls the part of common data and transfers the control to one of the programs that solve the restricted set of tasks. ... So with the EPOS software package one can calculate the accurate ephemerides for many objects and get the quick illustration of their motion as well. ...

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... Equipment . ... The scientific-methodical work is an important component of the LSR work, which should satisfy the needs of employees of other laboratories of the ISSP RAS both in structure investigations and in interpretation of the obtained results. ... X-ray works: . ... the equipment for of X-ray topography: a spectrometer on the base of D4C source and the goniometer A-4 (Rigaku firm), a spectrometer on the base of RU-200 , the two-crystal spectrometer URT-2 (Russia), . ... LSR ISSP RAS . ...

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• Laboratory for Spectroscopy of Molecular Structures
• III International Astronomy Olympiad, Problems to solve
• MgB2 Safety Data Sheet

... This program was created for correlating chosen regions in the series of fts images. ... Chosen regions' . ... In this section the program counts the integral for each region of the grid for each image. ... As a matter of fact, the integral is total brightness of the region and it is counted by 'int_tabulated' IDL function. ... In addition, the program will show the count of the regions which correlate with the corresponding region (the brighter region means the bigger count) and its contour. ...

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• Speckle polarimeter
• Proposing a METI Institute

Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...

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• Galaxy sector, archive 2006
• IRAS01005+7910
• Multi-Spin Galaxies ? 2016

... PROGRESS M-52 CARGO VEHICLE . ... Following a two-day free flight in near-earth orbit Russian Progress M-52 cargo vehicle launched on February 28, 2005 from Baikonur cosmodrome docked to the International Space Station (ISS). ... 02/28/2005 Baikonur Cosmodrome. At 22:09 Moscow Time the Soyuz-U/Progress M-52 Rocket and Space Complex was launched from Baikonur cosmodrome. ... Progress M-52 space vehicle is slated to be launched to International Space Station on February 28, 2005. Photo-report . ...

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• S.P.Korolev RSC Energia - LAUNCHERS
• S.P.Korolev RSC Energia - LAND LAUNCH SYSTEM
• OFFICIAL PRESS RELEASE - S.P. KOROLEV ROCKET & SPACE CORPORATION ENERGIA

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... 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 . ... Astronomy for Kids . ... Meade Instruments Corp. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Tycho's instruments | Astronomy.com
• NASA describes Hubble fix | Astronomy.com