... Two files from two exposures (even from different observations or instruments) are taken as input. These may be EPIC event lists or two other additional files (attitude files, orbit files etc [see comments]). ... Warnings are given when the event files are deemed not entirely compatible (i.e. their INSTRUME or FILTER keywords are different). ... Given here is a summary of the current conditions whereby event files (or parts thereof [blocks/columns etc]) are or are not merged. ...

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• Example 5: Using an RMF dataset to specify the energy grid

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• LED Sign Info

... If some entries are missing, which might turn out later, add them in a way that the library remains downward compatible. (13aug97) XAW3D 3D widget library 1.3 . ... ASCII Art library 1.2 (by Hung-Chi Chu , aa.dll for XFree86, aa.dll.noX for non-X environments) . ... MPEG library 1.2.1 (by Hung-Chi Chu , DLL only ) . PNG library 1.0.2 (by Hung-Chi Chu , requires zlib , DLL only ) . TIFF library 3.4beta037 (by Hung-Chi Chu , requires zlib and jpeg , DLL only ) . ... Xpm 3.4k (by Hung-Chi Chu ) . ...

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• Lecturing list
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The list below is a set of links to over one hundred different college-level astronomy courses, mostly at the "beginner" level. ... Astronomy Courses (Angelo State Univ.) ... Physics 100: Astronomy (Calif. ... Physics 116: Introduction to Astronomy (Emory Univ.) Astronomy Courses (Florida State Univ.) Physics 104: Astronomy (Gardner-Webb University) . ... Astronomy Courses (Iowa State Univ.) ... Astronomy Courses (Ohio State Univ.) ... Astronomy Courses (Pennsylvania State Univ.) ...

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The aim of this section of the course is to enable you to use simple computer programs to solve a variety of common astronomical tasks. ... I have (somewhat arbitrarily) decided to use Python for this course, because it seems to be gaining popularity fast for astronomical data handling, and because some of you will have encountered it at the ATNF course. ... We've put Python (plus all relevant libraries) on the Stromlo Linux computers moron and maggot. ... Now log in to moron (or maggot). ...

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• Clearing the library. Note the different floor levels. There were at least 4
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• Student Briefing

I have dropped the differentiation of HTML into a sequence of conformance levels. ... This (and upward compatible specifications) define the Internet Media Type (RFC 1590) and MIME Content Type (RFC 1521) called "text/html". The type "text/html" accepts the following parameters: . ... Character sets . The charset parameter (as defined in section 7.1.1 of RFC 1521) may be used with the text/html content type to specify the encoding used to represent the HTML document as a sequence of bytes. ...

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• Description of different types of shell
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Algebraic geometry studies geometric loci defined by polynomial equations, for example the complex plane curve f(x,y)=0. ... Some experience in geometry and topology (projective spaces, metric and topological spaces, simplicial complexes and homology groups) is desirable but not essential. Projective spaces. ... Plane projective algebraic curves: point multiplicities, intersection numbers, Bezout's theorem. Plane projective algebraic curves: singularities, duality, Pluecker formulas. ...

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• Information about different buses in Moscow Region (in Russian)
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... Get used to using the mouse and its buttons for such tasks. Figure out the function of each of the three mouse buttons. ... Fire up textedit application and practice editing text files. ... Figure out basic options like cut and paste of text around the file, saving and loading files, searching for strings in the text and replacing strings. ... Familiarise yourself with other UNIX functions by creating various files of text etc. and trying out the various functions listed in handouts. ...

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• Linux PCI-HOWTO: General tips for PCI-Motherboard + Linux NCR PCI SCSI
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... Baffled, you turn to the waiter. ... The waiter smiles. ... Some prefer small stars while others insist that the larger they are the better they are. ... Of course," he adds, sensing your concern, "you are the guest of Chez Stella. ... Immediately you hear the "tock... tock... tock" of the stopwatch, and you gaze deep into the distant star. ... You hadn't noticed before, but it is giving off vast symmetric clouds of what looks like smoke or dust hanging in the space around the beautiful star. ...

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• ASP: Using Multicultural Dimensions to Teach Astronomy
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• ASP: "Extreme" Inquiry-Based Learning

... In order to disentangle the effects of different climate variables on tree-ring growth rates of different species, and to explore the possibility that more than one species could improve the accuracy of the reconstructions of climate using tree rings, a methodical study of trees in close proximity to the Armagh Observatory climate station was initiated together with Ana Maria Garc?a Su?rez, and continued as part of the latter's PhD thesis with John Butler and Professor Mike Baillie (QUB). ...

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• Observations with the Faulkes Telescopes
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Chair of solid state physics . ... The Physics of Phonons . ... In the first part of the course “The Physics of Phonons” the dynamics of atoms in one- and three- dimensional crystalline lattices is considered in detail. The quasiparticle conception in solids, taking phonons as an example, is discussed; creation and annihilation operators of phonons, main properties of acoustic and optical phonons dispersion laws, density of phonon states. ... Crystalline state. ... Acoustic and optical phonons. ...

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... Research . ... Past and present projects and other research activities . ... These projects range from: the end-to-end systems modelling, design and commissioning of an optical to near-infra-red stellar coronagraph at the William Herschel Telescope, a European Space Agency design study into fold-out large aperture space telescopes, prototyping 'Smart' X-ray mirrors for next generation X-ray telescopes and R into future adaptive optics. ... OSCA - an Optimised Stellar Coronagraph for Adaptive optics ...

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• GA Package for Maple
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• OptInt PmWiki : Access Keys

... Gauging the impact of executing science program across different COS/FUV lifetime positions . ... Changing Programs & Resolving Problems . ... The first such move occurred on 23 July 2012, when the COS FUV spectrum was moved to the COS FUV Lifetime Position 2 (LP2). ... It now appears that the move to COS/FUV Lifetime Position 3 will not occur until early 2015, and so a substantial fraction of Cycle 22 observationsare likely to occur at the COS FUV lifetime position 2, prior to the change. ...

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• Andy Fruchter's Homepage
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Next: The Scenario Machine: Operational Up: Evolution of Magnetic Rotators Previous: Ejector-propeller hysteresis . ... The length of this segment is determined by the eccentricity. ... In this case no hysteresis occurs and transitions E -- P and the reverse take place in symmetrical points of the orbit. ... Here EP means a mixed state of the rotator at which it is in the ejector state during one part of the orbit, and in the propeller state during the rest of the orbital cycle. ...

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• Concluding Remarks and Future Prospects
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• The Scenario Machine: Operational Guide

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 March 25 . An Orion of a Different Color . ... But the striking picture combines images taken through three separate filters, each designed to record different emission lines - light from Sulfur, Oxygen, and Hydrogen atoms glowing in the tenuous nebular gas. ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

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• APOD: 2008 December 21 - Analemma Over the Porch of Maidens
• APOD: 2007 June 17 - Analemma over Ukraine
• APOD: 2002 July 9 - Analemma

. First page Back Continue Last page Summary Graphics . CHVCs :HVCs HVCs .

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• CIMA Configuration Files
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... An Orion of a Different Color . ... It is a familiar object though, the grand stellar nursery known as the Orion Nebula . But the striking picture combines images taken through three separate filters, each designed to record different emission lines - light from Sulfur, Oxygen, and Hydrogen atoms glowing in the tenuous nebular gas. At such low densities , Sulfur and Hydrogen atoms emit red colors while Oxygen glows green. ... Publications with keywords: Orion Nebula . ... The Heart Of Orion . ...

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• Астронет > An Orion of a Different Color
• XWare > APOD

... 18-Jan-2010 17:22 . ... Apache/2.2.3 (CentOS) Server at www.wdcb.ru Port 80 ...

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• Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/fo E
• Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/fo Es
• Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/Type...

as promised, we have prepared a picture gallery with the best photos taken during the XXXIII YERAC in Bonn in September 2003. Links to the different galleries can be found below. ... Feel free also to visit the guestbook and leave an entry . Apparently, the original YERAC webpage at the University of Bonn is no longer available, so I decided to reactivate the website on a different server. Guestbook and photo upload will no longer work, but all the picture galleries are still available. ...

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Paolo Padovani , II Universit di Roma , Paolo Giommi , ASI, SDC and Fabrizio Fiore, ASI, SDC and Osservatorio Astronomico di Roma . Original Version: MNRAS, (1997), 284, 569 . Text copyright (c) 1997. ... We study the X-ray spectra of 114 flat-spectrum radio quasars (FSRQ) using the hardness ratios as given in the WGA catalogue of ROSAT sources. ... We find that FSRQ have a distribution of energy spectral indices ranging between 0 and 3 with a mean value alpha_x ~ 1. ... Figure 1 (13kb) . ...

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• Comparison of the central part of the Milky Way at different wavelengths