The Status window shows the status of the telescope and (on unix and Windows) contains TUI's menus. ... The top panel shows user-specified information about the current target and also the progress of slews: . Name : object name . Obj Pos1/2 (e.g. RA/Dec): net object position. including object and arc offsets. ... Object Arc Off: the current object arc offset . Object Arc Off X,Y: the current object arc offset rotated to instrument xy coordinates (this may vary if the field rotates). ...

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• TCC Documentation
• TUI:Telescope:User Catalogs
• Coordinate Conversions

... every new catalog of objects has to be contained in the UNIX directory having the same name as the catalog of objects; . ... the programs for local operations (programs of low level) with the catalog of objects are also in the same directory; . brief characteristics and names of the programs and file with the description of the catalog are stored in the file cats_descr ; . ... All astronomical catalogs have a different format and list different observables. ...

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• Format of data description

FIRST SCREEN . Input files : image with wedges and image with spectrum (fits or tiff format). ... What to do : First of all you must fill in the region which the profiles should be taken from, by pressing "range for profiles" button. ... SECOND SCREEN . ... THIRD SCREEN . ... In the first screen you can change the size of the image by pressing "CHANGE SIZE" button. ... After pressing "Next profile" button, click to the same spectral lines in the same order as you did in the first profile. ...

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The aim of this section of the course is to familiarise you with celestial Coordinates. ... I found some good notes explaining the celestial coordinate system on the web: . ... 1st Dec: 04hr, 00min In addition to the equatorial coordinates described in the notes above, astronomers also use (at least) two other coordinate systes: galactic coordinates and ecliptic coordinates. ... Ecliptic coordinates use the ecliptic (the Earth's path around the sun) as the equator, and are used for solar system work. ...

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• Software Maintenance Manual
• Giant Galaxy String Defies Models of How Universe Evolved

Geometric Algebra 2 Quantum Theory Chris Doran Astrophysics Group Cavendish Laboratory Cambridge, UK Spin Ї Stern-Gerlach tells us that electron wavefunction contains two terms Ї Describe state in terms of a spinor S N Ї A 2-state system or qubit MIT2 2003 2 Pauli Matrices Ї Operators acting on a spinor must obey angular momentum relations Ї Get spin operators Ї These form a Clifford algebra Ї A matrix representation of the geometric algebra of 3D space ...

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• OptInt PmWiki : Delay Line Software Libraries | History
• The 7C(G) survey
• OptInt PmWiki : PmWiki / Pm Wiki Philosophy

J. Hausen Mathematisches Institut, Universit? Tuebingen at Tuebingen, Germany juergen.hausen@uni-tuebingen.de Cox rings and Combinatorics Generalizing a construction of D. Cox for toric varieties, one may associate to any variety X with finitely generated free divisor class group K := Cl(X ) a K -graded homogeneous coordinate ring, its "Cox ring" R(X ). ... We discuss applications to GIT and embeddings of homogeneous spaces. ...

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• http://www.mccme.ru/dubna/eng/2009/qu09.txt
• http://www.mccme.ru/dubna/2008/eng/qu08.txt
• http://www.mccme.ru/tg2007/talks/Alekseevsky.pdf

Next: Extragalactic Gravitational Wave Background Previous: Transparency of the Stochastic . Let the sky be observed with a detector having a pencil beam diagram across. The number of stars per frequency decade that is swept by the detector is a function of celestial coordinates (say, galactic coordinates l , b ): . ... It is clear from the figure that for an all-sky detector the Galaxy becomes transparent above the frequency ?Hz. ...

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• Evolutionary Scenarios of Binary Systems

On optical characteristics of non-spherical scatterers . ... Usually one assumes that the radiation from a very distant source is incident on a scatterer and then this radiation can be represented by a plane wave . ... Amplitude matrix . ... The elements of the amplitude matrix on the directions of propagation of the incident and scattered radiations, the size, morphology and chemical composition of the scatterer as well as its orientation in the laboratory system. ... Scattering matrix . ...

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• AI SPbU library of scattering codes
• Database of Optical Properties -- Level: subpage
• Database of Optical Properties -- Level: subsubpage

... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Green ESO . ... Survey Telescopes . ... While the construction of the Atacama Large Millimeter/submillimeter Array (ALMA) on the Chajnantor Plateau was in progress another remarkable project was developing in the San Pedro de Atacama area in the Chilean Andes - an ethnological research project aiming to reconstruct the traditional vision of the Universe of the inhabitants of the local communities. ...

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• Cover of booklet describing Atacama elders' vision of the cosmos | ESO...
• Cover of booklet describing Atacama elders' vision of the cosmos | ESO Ireland
• Cover of booklet describing Atacama elders' vision of the cosmos | ESO United

Next: The /dev directory Up: The root filesystem Previous: The root filesystem . The /etc   directory contains a lot of files. ... See the chapter on init   for further information. /etc/passwd   . ... Lists the filesystems mounted automatically at startup by the mount -a command (in /etc/rc   or equivalent startup file). ... etc/issue   . ... See the magic   and file   manual pages for more information. /etc/motd   . ... Files executed at login or startup time by the Bourne or C shells. ...

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• William Herschel
• Overview of a Linux System
• Dream Roots Photo Collection

... Recent Topics . ... MAO main . ... The third-order space-by-time relation . ... Тема: The third-order space-by-time relation . ... The mass m experiences a gravity force toward the sun and . ... will experience the Coriolis force or Coriolis acceleration. ... differentiated space-by-time twice and discovered equation2. ... time differentiation of space-by-time. ... to be described by differentiated forces. ... third-order space-by-time relation. ... understand the third-order space-by-time relation....

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• MAO NASU :: Topic: ASTRONET & APPEC meeting on European Coordination of CMB
• Celestial calendar - Satellites, Mars

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...

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• source comment

.

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• Thermodynamics
• What should I know for the Midterm?
• The Isothermal Sphere

... Impedance . Electrical impedance, or simply impedance, describes a measure of opposition to a sinusoidal alternating current (AC). Electrical impedance extends the concept of resistance to AC circuits, describing not only the relative amplitudes of the voltage and current, but also the relative phases. ... Resistance is the real part of impedance; a device with a purely resistive impedance exhibits no phase shift between the voltage and current. ...

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• IV International Astronomy Olympiad, Problems to solve
• the Olympic Coordinating Council
• The Olympic Coordinating Council

... Our Galaxy . ... Stars . ... Image credit: ESO, Acknowledgement: VST/Omegacam Local Group Survey) . First observed in 1909, the WLM galaxy is part of the Local Group, about 10 million light years (3.1 Mpc) across, this is the set of more than 35 galaxies which includes our own Milky Way. ... I compared this little galaxy to a living fossil because looking at it gives us an insight into a past era in the UniverseтАЩs history. ... Distances and metallicities for 17 Local Group galaxies? . ...

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• Amazing multi-spectral view of Andromeda Galaxy | Astronotes
• Finding Your Way in the Milky Way | Astronotes
• Was Sirius Red in Ancient Times? | Astronotes

A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...

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• Explanation of table of equatorial coordinates of the Sun.
• Explanation of the table of ecliptical coordinates of the Sun.
• Celestial Mechanics

SAI VO . ... Web Services . Catalog Access Services . ... SAI Web Services . ... This service aims to automatically match stars in FITS image provided with catalogue and add the correct WCS keywords to its FITS header. ... Service Web Interface . ... The service is available here To use it, you has to provide the image as a Base64-encoded string, along with the rough information on image field of view size and center (the latter may be deduced from FITS header keywords like 'RA' and 'DEC'). ...

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... DIAGNOSTICS OF IONOSPHERIC IRREGULARITY SPECTRUM USING MEASUREMENTS OF RADIO WAVE ANOMALOUS ATTENUATION UNDER VERTICAL SOUNDING . ... The selected experimental data are characterized by a high average level of attenuation of a signal of vertical sounding (10 dB and above), which cannot be caused by collisional absorption of radio waves (practically absent in a dark time of day) and, hence, being a consequence of scattering on random irregularities. ... ATTENUATION OF A VERTICAL SOUNDING SIGNAL . ...

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• Vladimir Marsakov Abstracts
• Scientific Directions Achievements

On the problem of using of the ICRF radio coordinates reference system Lipovka A.A. (1), Lipovka N.M. (1) Center of research for physics, Sonora State University e-mail: nila_lip@mail.ru Bibliography 1. ... Columns 8, 9 are corrections to right ascension and declination, which should be added to coordinates of ICRF2 radio sources, to obtain coordinates of optical objects, with which these radio sources are identified. ... Lipovka .. ... Fig 3 Fig 3 ...

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• http://www.gao.spb.ru/database/csa/description_e.html
• http://www.gao.spb.ru/english/personal/malkin/publ/zm07b.pdf
• http://www.gao.spb.ru/database/esai/readme1.html

... Package . Class . Use . ... FRAMES NO FRAMES All Classes . Packages that use ij.io . ... ij.io . ... Classes in ij.io used by ij . ... This class consists of public fields that describe an image file. ... This is a class that uses a memory cache to allow seeking within an InputStream. Classes in ij.io used by ij.plugin . ...

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• ij.io (ImageJ API)
• AstroCC - A Coordinate Converter for Astronomy
• TiffEncoder (ImageJ API)