... January . February . March . April . ... November . December . ... April ((April Fools)) . ... April (Star Party Reports) . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Next: Data analysis and Spatial Up: Spatial Corrections of ROSAT Previous: Spatial Corrections of ROSAT . ... We start with an observation for which the PRF is much worse than it should be; caused by residual wobble errors or other causes. ... Spatial analysis of ROSAT HRI observations are often plagued by poor aspect solutions, precluding the attainment of the potential resolution of about 5''. ... A recent example showed one obi for which the source was 10 north of its position in the other 17 obis. ...

... DEFINITIONS: epoch : J2000. calcode: M for the Jodrell Bank MERLIN. source : Name derived from the J2000 position. ra : Right ascension of the source at epoch J2000. dec : Declination of the source at epoch J2000. rem : Remark giving a code for the published reference plus the total source flux density at 8.4 GHz quoted in that reference. ... The catalog of 2118 compact radio sources is available via anonymous ftp from host ftp.aoc.nrao.edu; cd to directory /pub and get file sources.jvas. ...

... Gzipped postscript, may be viewed directly by some versions of Ghostview (121K) . Zipped postscript (121K) ] . Postscript (79K) | Zipped postscript (27K) ] . ... Классификация интегральных многообразий . ... Для понимания курса достаточно знакомства с геометрией гладких многообразий. ...

... To introduce you to the Python programming language, and its Visual module (VPython), which allows 3D simulation. The computer labs are held in room BOZO 112, not in the usual physics lab. ... This lab will use the Python programming language. ... Click on the Windows button in the bottom left, select "Programs", then the "A-Z" list of programs. ... Later in the course you will need to write your own VPython programs for assessment - this lab is your chance to make sure you can do this. ...

This site offers information about the International Astronomy Olympiad (IAO), one of the six First International Science Olympiads (like International Olympiads on Mathematics, Physics, Chemistry, Informatics and Biology). It contains the Organization Rules of the IAO which are officially accepted by all participating states and ratified by the leading body of the IAO - the Euro-Asian Astronomical Society. The Rules have to be strictly followed by all participants. ... Update 31-Aug-2004 . ...

... Bojan Nikolic web pages (r. 329) . Currently I hold a Principal Research Associate position at the University of Cambridge. ... More information on the SKA SDP consortium will be available shortly on the public web-pages . ... Previous to that, I developed the technique of Out-Of-Focus (OOF) holography and wrote the software that is currently used for this at the Green Bank 100m (GBT) and other telescopes. ... Welcome . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...

... Introduction | ... Tail Probe is a spin-stabilized spacecraft spinning around the main axis of the maximum moment of inertia. ... To know the spacecraft attitude for a given time we use a matrix N to transform any vector V from the Geocentric Solar-Ecliptic ( GSE ) coordinate system to the Spacecraft Construction ( S/C ) coordinate system . ... X S axis is the spacecraft struclural axis which is close to the spin axis and to the main axis of the maximum moment of inertia X m , . ...

Full-Text Search in PostgreSQL: A Gentle Introduction . ... Fast Backward . Fast Forward . Next . ... Full Text Search in databases . ... FTS Overview . ... FTS operator . ... Obtaining tsvector . ... Obtaining tsquery . ... Ranking search results . ... FTS features . ... FTS Limitations . ... A Brief History of FTS in PostgreSQL . ... FTS current . ... FTS Todo . ... Full-Text Search in PostgreSQL . ...

... history, facts, technology, space ships . ... После создания в 1946 году в СССР Специального комитета по реактивной технике под руководством Г.М. Маленкова развитие ракетно-космической техники получило особое внимание. ... В октябре 1948 года был осуществлен запуск ракеты Р-1 ? ... Эти министерства, вместе с подчиненными им научно-исследовательскими институтами, опытно-конструкторскими бюро и заводами серийного производства, отвечали за развитие соответствующих отраслей промышленности. ...

... After 1958, when scientific satellites began exploring the Earth magnetic environment, many puzzling phenomena could be directly examined, especially the polar aurora and disturbances of the Earth's magnetic field [see Stern , 1989a]. ... The large-scale structure of the magnetosphere, the space region dominated by the Earth's magnetic field, was gradually revealed within the next decade: its trapped particles, its boundary, and its long magnetic tail on the night side. ... Introduction . ...

... ACTIVE GALAXIES NEWSLETTER Dear all, In the following e-mail message I will send the first edition of the Active Galaxies Newsletter. This newsletter has been formed following the success of similar publications such as the Star Formation Newsletter and AGB Newsletter. ... Also thanks to Bo Reipurth for his LaTex macros. ... Following the first edition of the newsletter will follow the LaTeX template for abstract submissions. It is VERY simple and requires no knowledge of LaTeX to fill out. ...

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Experiment COLD . ... JSEC Astronomy . ... The entire project was called "Experiment Cold". ... The best radiometer (in terms of fluctuation sensitivity) known to us, based on a parametric amplifier with a closed-cycle helium cooling system, was used in the experiment; measures were taken to "cool" the radio telescope itself; and a method of controlling the numerous sources of interference was carefully thought out. ...

... title=' Золотое кольцо 01K613066Z - Ювелирное изделие - Ювелирное изделие' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> Кольцо. ... The aim of this book is to add certain new topics to the material of the famous textbook "Statistical physics" by L.D.Landau and E.M.Lifshitz. ... Артикул: PICT53_RED RED Цвет: красный Состав: 100% шелк Параметры изделия: длина 158 см, ширина 9 см Страна дизайна: Италия Страна производства: Италия . ...

Next: Historical Notes Up: The Chirplet Transform: Previous: The Chirplet Transform: . ... One of these TF methods, the short-time Fourier transform (STFT), has been used extensively for analyzing speech, music, and other non-stationary signals. ... Another time-frequency representation (which might more appropriately be called a time-scale representation) is the well-known wavelet transformheil-walnut,mallat:theory,daubechies:transform,strangwavelets. ... Historical Notes . ...

Subject of Astronomy. ... Celestial Sphere. ... Spherical Frames of Reference: Horisontal and Equatorial Coordinates, Ecliptical System. ... Transformation of Celestial Coordinates. ... Change of Object Coordinates as a Result of Diurnal Rotation of Celestial Sphere. Phenomenons, Which Lead to Celestial Coordinates Change. ... Motion of Equator, Ecliptic, and Their Poles. ... Diurnal Solar Motion on Different Latitudes. ... Time Equation. ... Apparent Motions and Configuration of Planets. ...

... О лаборатории . ... Advances In Space Research . ... American Journal of Science . ... Astrophysics and Space Science . ... Aviation Week Space Technology [ Top of File ] . ... Bulletin of Volcanology [ Top of File ] . ... COSPAR Information Bulletin [ Top of File ] . ... ESA Bulletin [ Top of File ] . ... ISPRS Journal of Photogrammetry and Remote Sensing [ Top of File ] . ... Journal of Volcanology and Geothermal Research [ Top of File ] . ... Science . ... Wall Street Journal [ Top of File ] . ...

Next: Model of clusters Up: paper2 Previous: paper2 . ... It allows estimating different microphysical properties of scatterers (size, complex refractive index, shape, etc.) from measured characteristics of the scattered radiation. ... The complexity of the direct problem depends on its input parameters characterizing the shape, size and structure of the scattering particle. ... Next: Model of clusters Up: paper2 Previous: paper2 root 2003-04-11 ...

Next: stecf.cplucy - Enhanced Two-channel Up: The ``stecf" IRAF Layered Previous: The ``stecf" IRAF Layered . For many years the ST-ECF has developed IRAF tasks and packages for HST and related data analysis. ... To allow wider and more efficient distribution and to bring all components to a uniform level of quality and documentation we have decided to combine these components into a standard-format IRAF package to be called ``stecf''. ...