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

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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. ...

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... 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. ...

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... 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. ...

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• Introduction to dynamical systems (Spring 1999)
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• Introduction

... 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. ...

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• CHIAKI's Introduction
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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 . ...

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• Introduction to Semiconductor Physics
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... 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 ...

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• ALMA Phase Calibration Techniques at the Cavendish Astrophysics Group
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• OptInt PmWiki : Introduction

... 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 , . ...

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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 . ...

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... 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. ...

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... 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 . ...

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... 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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