. Next: The Integrated Profiles Up: A Tutorial on Radio Previous: Assignment 5 . љ . The Integrated Profiles . Pulse Widths . Radio frequency dependence . Polarisation . Mode changing, Srifting and Nulling . Microstructure . Jon Bell . Thu Dec 19 15:15:11 GMT 1996

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The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

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• Database of Optical Properties -- Level: welcome
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... HST . ... Data . ... HST Overview . Overview . ... Cycle 24 Announcement . ... Retrieving HST Data . ... Instruments . ... Grism Spectroscopy . ... UVIS Flats . ... Instrument Handbook . Data Handbook . ... The Wide Field Camera 3 (WFC3) is a fourth-generation UVIS/IR imager aboard the Hubble Space Telescope (HST). WFC3 was installed in May 2009 during HST servicing mission 4, and replaces the Wide Field Planetary Camera 2 (WFPC2). ... ISR 2016-09: WFC3 Cycle 22 Proposal 14007: UVIS Gain . ...

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Distributed Software for Observations in Near Infrared V. Gavryusev 1 and C. Baffa Osservatorio Astrofisico di Arcetri E. Giani Dipartamento di Astronomia, Universit`a di Firenze Abstract. ... The processes denoted for control of hardware (telescope and other instruments) should be executed currently on PC dedicated for this task under DESQview/X, while all other components (user interface, tools for the data analysis, etc.) can work also under Unix. ... 1993, Di Giacomo et al. 1993). ...

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This document explains some of the directives provided by the core server which are used to configure the basic operations of the server. ... Process Creation . Network Configuration . ... User . ... A single control process is responsible for launching child processes which listen for connections and serve them when they arrive. ... The User and Group directives are used to set the privileges of the Apache child processes. ... The child process creates multiple threads to serve requests. ...

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... 2008 May 12 . The M81 Galaxy Group Through the Integrated Flux Nebula . ... Explanation: Large galaxies and faint nebulae highlight this deep image of the M81 Group of galaxies. ... Around the image many other galaxies from the M81 Group of galaxies can be seen. ... This whole galaxy menagerie is seen through the faint glow of an Integrated Flux Nebula , a little studied complex of diffuse gas and dust clouds in our Milky Way Galaxy . ... About APOD | ...

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XMM­Newton CCF Release Note XMM­CCF­REL­119 OM PSF Bing Chen June 13, 2002 1 CCF components Name of CCF VALDATE List of Blocks changed CAL VERSION XSCS flag OM PSF1DRB 0006 2000­01­01T00:00:00 PSF­U No PSF­B No PSF­V No PSF­UVW1 No PSF­UVM2 No PSF­UVW2 No 2 Changes This CCF file provides new measurement of OM PSF. ... 1 XMM­Newton CCF Release XMM­CCF­REL­119 Page: 2 Figure 1: Growth curves as a function of radius for V and UVW1 filters. ... Therefore, this new PSF is field position independent. ...

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The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

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Next: A Universal Diagram for Up: ``Ecology'' of Magnetic Rotators Previous: The Corotation Radius . The interaction of a magnetic rotator with the surrounding plasma to a large extent depends on the relation between the four characteristic radii: the stopping radius, , the gravitational capture radius,   , the light cylinder radius,   , and the corotation radius,   . ... Hence, the classification of the interaction regimes may well mean the classification of magnetic rotators. ...

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... The M81 Galaxy Group Through the Integrated Flux Nebula . ... Large galaxies and faint nebulae highlight this deep image of the M81 Group of galaxies. First and foremost in the wide-angle 12-hour exposure is the grand design spiral galaxy M81, the largest galaxy visible in the image. ... Colorful NGC 1579 resembles the better known Trifid Nebula, but lies much farther north in planet Earth's sky, in the heroic constellation Perseus. ... The Seagull Nebula . ... Warped Spiral Galaxy ESO 510 13 . ...

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