. To change the access permissions for a file or directory use the command chmod mode filename chmod mode directory_name . The "mode" consists of three parts: who the permissions apply to, how the permissions are set and which permissions to set. **Caution** . Examples . Setting access permissions numerically . Changing default access permissions .

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... Recent Topics . ... MAO main . ... Call for applications to the PhD program of the API/GRAPPA, Amsterdam . ... Тема: Call for applications to the PhD program of the API/GRAPPA, Amsterdam . ... We are now advertising the Call for Applications to the PhD Program of the Anton Pannekoek Institute for Astronomy (API) and the Gravitation and Astroparticle Physics Amsterdam (GRAPPA) Centre, at the University of Amsterdam. ... Applications need to be submitted on or before December 11th, 2014. ... MAO NASU ...

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OOF Software Its Structure and How to Extend It B. Nikolic MRAO, Cavendish Laborator y/Kavli Institute for Cosmplogy University of Cambridge September 2010 B. Nikolic ( University of Cambridge ) OOF Holography September 2010 1 / 18 Software structure Outline 1 Software structure Extending OOF software for application at a new ... B. Nikolic (University of Cambridge) OOF Holography dFNu .. ...

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... Pour des orbites circulaires autour de la terre, nous venons de trouver . ... La distance d'un satellite au centre de la terre en m?tres est un nombre incommod?ment grand, m?me avant d'?tre port? ? ... Nous pouvons par contre multiplier l'expression de droite par (R E 3 / R E 3 ) = 1 et r?arranger alors les termes : . ... SQRT (25 638 838) = 5063.5 . ... C'est la forme pratique de la 3?me loi de Kepler pour les satellites de la terre. ... Prochaine ?tape: #22 Les cadres des r?f?rences : Les Bases . ...

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For circular orbits around Earth, we found . ... The distance of a satellite from the center of Earth in meters is an inconveniently big number, even before we raise it to the 3rd power. ... SQRT (25 638 838) = 5063.5 From this . ... T= 5063.5 seconds SQRT(r') 3 = 5063 sec r'SQRT=(r') . This is the practical form of Kepler's 3rd law for Earth satellites. ... International communication satellites are in the equatorial plane of the Earth and have orbits with a 24-hour period. ...

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... The Meade Series 4000 Zoom Eyepiece has changed that impression completely and forever. ... Meade Series 4000 2x Apochromatic Barlow Lens (1.25") . Exclusive Meade 3-element, air-spaced design; thousands now in use worldwide. #140 2x Apochromatic Barlow Lens: The most advanced Barlow lens yet developed for commercial telescopes, the Meade #140 2x Apochromatic Barlow includes a 3-element, air-spaced telenegative lens unmatched in image resolution, contrast, and color correction. ... about meade | ...

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Next: Scattering properties Up: Polarization properties (transmitted radiation) Previous: Linear polarization: wavelength dependence . Traditionally, the main problem considered in connection with circular interstellar polarization is the meaning of the wavelength where changes the sign . ... This is also demonstrated by Fig. 19 (lower panel) which shows the wavelength dependence of the factors of linear and circular polarization for particles of magnetite as was done by Shapiro ([ 1975 ]). ...

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... The Raw Images . Table 1: List of Viking Orbiter Images of the "Face on Mars" . ... Processing the Face Images . ... In July, 1976, Viking Orbiter 1 was acquiring images of the Cydonia region of Mars as part of the search for potential landing sites for Viking Lander 2. ... Using the height field, it is also possible to view the "Face" from different look directions, by mapping the Viking Orbiter image directly on the the topography and then placing the "viewer" at different locations. ... Mars . ...

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The 2016 Project ASTRO introductory workshop will take place September 16-17, 2016. ... Participating teachers and astronomers are required to attend. ... Home Phone: . ... work email . ... Please briefly describe your background and your experiences in astronomy (if different). Describe experiences you have working with schools or explaining astronomy to students and/or the public. ... What grade level(s) do you prefer to work with (check all that apply) . ... either work or home . ...

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... Basic Observables: Zero-differenced phase and code ionosphere-free combinations of global GNSS network stations, corrected by P1-C1 satellite code biases (cc2noncc), daily observations with 30 seconds sampling rate Sites coordinates : IGb08 reference frame coordinates and velocities Displacements: solid tides, ocean loading, pole tide loading (IERS 2010) Geometric model : Receivers antennas eccentricities, absolute receiver and ...

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... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...

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... Arithmetic Geometry: Explicit Methods and Applications, Program . ... Marc Hindry (Paris) . ... Coffee break . ... Groups of points arising from elliptic curves . ... On CM genus 3 curves . ... Richard Griffon (Paris) . Analogues of the Brauer-Siegel theorem for elliptic curves over function fields . ... Julie Desjardins (Paris) . ... Algorithms for Curves and Jacobians . ... Conference dinner . ... The distribution of the trace in the compact group of type G 2 and applications . ...

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... The Large Telescopes Program Committee of Russian AS . ... Executive Secretary, e-mail: request@sao.ru . Telescope RATAN-600 Time Request deadline: I half-year (Jan. ... Program title .. ... Principal investigator .. ... Request status .. ... Retarded applications and ones not conforming to form will not be accepted by the Committee. ... In some exceptional cases the Program Committee Secretary can accept a request after deadline with permission of the Chairman of Committee or director of SAO RAS. ...

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... Open Systems: . from Principles to Technology . ... To Open System Principles . ... Principles of Open Systems . TR ISO/IEC 14252-1996 . Open system: A system that implements sufficient open specifications or standards for interfaces, services, and supporting formats to enable properly engineered application software . ... Open system technology . ... The developed Open System Technology - scientific heterogeneous computing environment integration base. ... Open Systems Centre . ...

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Some Effects of Earthquakes, Temperature, Wind Stor ms and Barometric Pressure on the Inter ferometer at Hanford Robert Schofield Masahiro Ito Rauha Rahkola Evan Mauceli Ray Frey David Strom Jim Brau University of Oregon Some Concerns With Low Frequency Influences · Loss of lock · Need for increased servo loop gain · May eat up actuator range · Possible increased background in the LIGO frequency band · Possible modulation of noise in the LIGO band Guralp ...

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Next: Окно информационных сообщений TVguide Up: Oписание окна просмотра и Previous: Панель Bgd. Общими для всех панелей являются кнопки, расположенные в нижней части окна: . кнопка <Load> - загрузка параметров из файла. Все, описанные выше, параметры можно записать в файл конфигурации и загружать их при помощи этой кнопки. ... кнопка <Apply> - ввести в программу измененные параметры; . кнопка <Cancel> - убрать окно TVguide Options ; . ... Apply> и <Cancel> . ...

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Astronomy Picture of the Day . ... 13.04.1998 . ... Credit: Learmonth Solar Observatory , IPS , USAF , NOAO Explanation: Our Sun changes every day. ... Dark spots that might appear on the image are usually sunspots , dark magnetic depressions that are slightly cooler than the rest of the Sun's surface. ... Over the next few years the average number of sunspots and plages will increase until "Solar Maximum" occurs in 2001. ... April 1998 . ... 1997 1998 . ... Publications with keywords: Sun - sunspot . ...

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MAKING THE PROFILES . First of all you are expected to load a FITS file ("FILE"-"LOAD"). ... By pressing the middle button you copy the profile from the first profile window to the second one. ... An example: first integral can correspond to the profile of active region and second integral can correspond to the profile of quiet chromospheric region. ... The second profile (which is subtracted from the first one) you extract after clicking on "SUBTRACT"-"MARK QUIET PROFILE" and marking the region. ...

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... Research areas . ... Events III All-Russian Research and Application Conference 'Actual Issues of Research in Avionics: Theory, Service, Development' - 'AVIATOR' . ... e-mail: aviator.vrn@mail.ru . ... State and development trends of electrical equipment and electro-optical systems of aircraft. ... Current state and development trends of information and management complex for aircraft. ...

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Stellarium 0.12.3 . ... Classes . ... ClassљList . ... Refraction Class Reference . ... virtual voidљ . forward ( Vec3d &altAzPos) const . ... backward ( Vec3d &altAzPos) const . Remove refraction from position ("reduce"). ... forward ( Vec3f &altAzPos) const . ... setupGLSLTransform ( StelGLSLShader *shader) . ... virtual void Refraction::backward . ... virtual void Refraction::disableGLSLTransform . ... virtual void Refraction::forward . ... virtual void Refraction::setGLSLUniforms . ...

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