... rgsregions defines and constructs the various RGS event-selection regions, and adds them to the source list (see rgssources ). ... Image regions and the background region refer to the plane of dispersion versus cross-dispersion ( image plane ) and select events based on their spatial coordinates. ... The order regions refer to the plane of dispersion versus calibrated pulse-height ( energy plane ) and select events from a specific astrophysical source within a particular reflection order. ...

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The Equatorial Inertial (GEI) coordinate system: . The X GEI axis is directed to the point of the spring equinox, . The Z GEI axis is coincide with the Earth's rotation axis, . The Y GEI supplements the right three. The Geographic (GEO) coordinate system: . ... The Solar Magnetic (SM) coordinate system: . ... About space physics coordinate transformation see Russel [1971] and Hapgood [1992] . ... M.A. Hapgood , Space physics coordinate transformations: A user guide // Planet Space Sci. ...

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• The magnetic conjugation numerical file description
• The FSP3 criteria and plot description
• The numerical file description

... Microlocal Analysis is a theory of Pseudo-Differential Operators and Fourier Integral Operators (PDOs and FIOs). ... Microlocal analysis comes in few flavors. ... We will consider semi-classical PDOs and FIOs: one can always get from there to standard PDOs and FIOs but semi-classical theory has more applications. Less formal description of (semi-classical) microlocal analysis is ``a semi-classical limit of quantum mechanics'' or ``high-frequency limit of electrodynamics'' (etc). ...

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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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... The procedure of radiometer signal integration can be considered as a sort of reducing dimension of the initial sampling space, where the samples are the result of analog-to-digital conversion. ... The probability distribution of the signal and spikes is completely known. ... The quality of the considered algorithm could be also illustrated by Figure 2 . ... One could see the considered adaptive algorithm is preferable even by low degree of compression, because all spikes have been depressed. ...

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• Format of data description
• SCORPIO-2 project: description
• comedi_lock

... A technique allowing automatic representation by a relatively small number of independent parameters based on the principal component analysis of data sequences is presented. ... In recent years the spectrum of observed astronomical data can be characterized as greatly varied. ... In this instance, the problem of initial description and classification of newly-observed data becomes most urgent, especially if there is a lack of preliminary observational material and theoretical expectations. ...

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• An Infrared Camera Reduction/Analysis Package
• The SRON-HeaD Data Analysis System
• Modelling Spectro-photometric Characteristics of Eclipsing Binaries

Modules | Directives | ... Apache HTTP Server Version 2.2 . ... Content cache keyed to URIs . ... mem_cache_module . ... It acts as a support module for mod_cache and provides a memory based storage manager. mod_mem_cache can be configured to operate in two modes: caching open file descriptors or caching objects in heap storage. mod_mem_cache is most useful when used to cache locally generated content or to cache backend server content for mod_proxy configured for ProxyPass (aka reverse proxy ). ...

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• mod_cache_disk - Apache HTTP Server
• mod_disk_cache - Apache HTTP Server
• mod_cache_socache - Apache HTTP Server

... The analysis and reduction of the STIS flanking fields proceeded in similar fashion as for the imaging of the Main STIS Field. ... The DARK calibration reference file used in the CALSTIS data reduction steps was constructed using a 'delta-dark' image appropriate for the epoch of the flanking field observations. ... DRIZZLE drop-size used for the flanking fields was a "pixfrac" of 0.8. ... For information on the data reduction, please read first the technical information for the Main WFPC2 Field . ...

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• Description of the Reconstruction Methods
• WFPC2 Drizzle Cookbooks
• PyFITS

Modern AstroStatistics has emerged as a new field in recent times, informed by a Bayesian foundation, utilizing powerful computational tools like MCMC, and applied to diverse analysis and inference problems in Astronomy. ... The goal of our Special Session is to review current practices, highlight modern techniques, and explore how the transition into the realm of Big Data Astronomy can be facilitated. ... Big Computing in Astronomy: Perspectives and Challenges . ...

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• Analysis Routines in SAOtng
• The AstroStat Slog 2009 September
• Spatial Region Coordinates

Next: Summary of reduction Up: Echelle Reduction Previous: Saving the Data . In the present version we will be concerned with the standard configuration of CASPEC, the Cassegrain Echelle Spectrograph which is in operation at the Cassegrain focus of the ESO 3.6 m telescope. ... In its standard configuration CASPEC uses a a 31.6 lines/mm echelle grating together with a 300 lines/mm grating cross disperser. ... The table shows the change in resolution with the order number. Table: Resolution . ...

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• MIDAS utilities for time series analysis
• mod_mem_cache - Apache HTTP Server
• All Sky Catalog at 2.7 GHz

The FITS "World Coordinate System" (WCS) standard defines keywords and usage that provide for the description of astronomical coordinate systems in a FITS image header. ... I: "Representations of world coordinates in FITS" , Greisen, E.W. & Calabretta, M.R. (2002), Astronomy & Astrophysics , 395 , 1061-1075. ... This diagram illustrating Bonne's projection with conformal latitude +35 was produced by WCSLIB , a C implementation of the coordinate transformations defined in the FITS WCS papers. ...

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• casacore: Images_module
• casacore: casa::LELImageCoord Class Reference
• casacore: casa::LELLattCoord Class Reference

Orbit . ... The orbit of the RadioAstron provides four types of study: . rough images of radio sources with ultra-high angular resolution, using all baselines up to the radius of the apogee, that is much larger than Earth diameter; . ... high quality imaging of radio sources, with moderate resolution, by observing either with small projected base lines Earth-spacecraft, i.e. close to the orbital plane, or near the perigee. ... high accuracy orbit determination. ... Space Radio Telescope . ...

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• Description of the RadioAstron project, russion version

MATHEMATICAL MODELING: . ... This model is developed on the base of the probabilistic description of the collisional aeronomical processes and is realized on a computer as the numerical system (stochastic model). ... Shematovich, V.I., Bisikalo , D.V. ??????????? Nonequilibrium processes in the planetary and cometary atmospheres. ... In Russian) . ... Piarnpuu , A. A.; and Shematovich, V. I. ????? Construction of structural stochastic models of collision processes in rarefied gas media (abstract) . ...

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OptInt PmWiki . ... Production Software PDR To Do List . ... Page History | ... Return to Production Software PDR To Do List ( Edit ) . ... Production Shear Camera Software Functional Description . To be written (EBS), based on Shear Camera Software Functional Description for DL FDR . ... Production Shear Sensor Software Functional Description . ... Production Trolley Software Functional Description . To be written (EBS), based on Trolley Software Functional Description for DL FDR . ...

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• Description of the OOF software architecture Bojan Nikolic web pages (r. 329)
• OptInt PmWiki : Preliminary Design Review | History
• casata: CASA Tools for Analysis Bojan Nikolic web pages (r. 329)

... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...

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• SAI OCL Catalog Virtual Observatory
• SAI Open Star Clusters (SAI OCL) Catalog

The variations of the orbital period of the RS CVn-type binary system SZ Psc are examined through a detailed description of the O-C diagram and the use of a new analysis technique. Continuous changes of very large magnidude have been found. ... A combination of a magnetic activity cycle mechanism and an enhanced stellar wind are found to reproduce satisfactorily the period changes. Key words: orbital period variations - mass transfer - mass loss - third body - magnetic activity ...

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• Simon Jeffery's Software Store
• Index of /archives/ArmaghObservatory/Huggins-Spectrum-Analysis M41
• Armagh Observatory: Chris Winter [ Documents ]

... SphericalTexturedPolygon (const QVector< QVector< TextureVertex > > &contours) . ... SphericalTexturedPolygon (const QVector< TextureVertex > &contour) . Constructor from one contour. virtual StelVertexArray   . ... setContours (const QVector< QVector< TextureVertex > > &contours) . ... setContour (const QVector< TextureVertex > &contour) . ... const QVector< QVector< TextureVertex > > &  . ... Constructor from one contour. virtual StelVertexArray SphericalTexturedPolygon::getFillVertexArray . ...

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• Stellarium: LabelMgr Class Reference
• Stellarium: VertexP3T2 Struct Reference
• Stellarium: VertexP3T2C4 Struct Reference

... The program begins with a residential summer institute at the Arecibo Observatory. ... The summer program will introduce the conceptual base (atmosphere science, geology), and provide the hands-on activities with the technology and equipment that will be used to carry out the research projects. At the end of the year, participants will report their findings to colleagues and mentors in a geoscience congress that will be organized at the Arecibo Observatory. ... Arecibo Geoscience Congress . ...

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• GALFA System Description
• Some Useful Routines for On-Line Data Analysis
• DATA ANALYSIS

psmask - To clip or mask areas of no data on a map psmask [ xyzfile ] -I dx [ m|c ][/ dy [ m|c ]] -J parameters -R west / east / south / north [ r ] [ -B tickinfo ] [ -D dumpfile ] [ -E ... radius [ k ] ] [ -T ] [ -U [/ dx / dy /][ label ] ] [ -V ] [ -X x - shift ] [ -Y y - shift ] [ -c copies ] [ -: ] [ -bi [ s ][ n ] ] psmask -C [ -K ] [ -O ] psmask reads a (x,y,z) file [or standard ... Je lon0 / lat0 / scale (Equidistant). Jf lon0 / lat0 / horizon / scale (Gnomonic). ...

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• http://xray.sai.msu.ru/~ivan/gmt/man/gmtselect.html
• http://xray.sai.msu.ru/~ivan/gmt/man/grdmask.html
• http://xray.sai.msu.ru/~ivan/gmt/man/spectrum1d.html

... This is possible at modest cost due to the low moments of inertia of the telescope and enclosure. ... This same performance will be achieved in higher winds when the telescope enclosure is facing away from the wind, or by using wind screens. ... The telescope system (MILT) will be remotely operable with an on-site operator's assistance by an astronomer located at one of the ARC member institutions. ... Mean Wind Speed . ... Offsets > 10 deg: 1 arc sec rms max . ... 5 sec max, tracking to tracking . ...

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• lsst.coordConv: coordConv::OtherCoordSys Class Reference
• lsst.coordConv: coordConv::FK4CoordSys Class Reference
• lsst.coordConv: coordConv::AppTopoCoordSys Class Reference