Astronomical Data Analysis Software and Systems XIII ASP Conference Series, Vol. ... During early flight operation, the Chandra X-ray Observatory's Advanced CCD Imaging Spectrometer (ACIS) suffered degradation of charge transfer inefficiency (CTI) due to radiation induced charge trapping. The ACIS front-illuminated detector CTI has significantly degraded over time with respect to the intrinsic energy resolution of the chips. ... We will discuss the impact of CTI on events, RMF and gain files. ...

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• Imaging by an Optimizing Method
• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
• A New PROS Task for Calculating HRI Source Intensities or Upper Limits

The FITS archive & data processing pipelines . ... The archived data are broad band images (BBI) and long-slit spectra (LSS) plus their associated template and calibration files. The data in HFA can enter into the HyperLeda processing pipeline and the results can be freely downloaded. ... Definition of the file system (structure of the archive) . ... The coordinate systems must be updated when the data (pixel data, other keywords, related tables) are altered (eg. rebinning of the image). ...

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• Apache mod_rewrite Technical Details - Apache HTTP Server
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The On-The-Fly Calibration (OTFC) system, publicly released in Dec. 1999, calibrated data at the time a user requested data from the archive. ... The On-The-Fly Reprocessing (OTFR) system replaced OTFC on May 16, 2001. ... UCHCOORD and OTFR. ... To address this issue, a new header keyword, PROCTIME, has been added to OTFR data to record when the system processed the data. ... OTFC . OTFR . ... POD file (original telemetry file) is retrieved from HST archive and passed to OTFR system. ...

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Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... To improve the quality of ionograms and to carry out on automatic ionogram processing we have developed a special software, which can be arbitraly devided into the following main parts: . ... Ionogram processing software on the basis of image processing; . Interactive ionogram processing software. ... Here we present ionogram samples for different kinds of chirp sounding . ... Capabilities and samples | ...

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• East Siberian Center for the Earth's Ionosphere Research. Problems of the IS

... Information processing in nonlinear systems with dynamic chaos // Доклады Международного семинара "Нелинейные цепи и системы".- ... The idea and the method for using one-dimensional nonlinear dynamic systems for storing and processing information were proposed in [1, 2]. ... The main part of the preprint is Section 4, where the "InformChaos" software pack, accomplishing the above principles of storing and processing visual information, is described in detail. ...

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• Interesting Sites Related to Chaos - InformChaos Lab.
• Project METI@home: Messages to ETI from home
• Laboratory of Cybernetics. IRE RAS.

... On exposures affected by it, the warning InvalidObtValue is generated during the processing. This will be fixed with a software update, available in future SAS versions. ... If this problem occurs, you should process the affected pn exposures with SAS versions older than v6.0.0 (indeed, it is enough to run the SAS v5.4.1 epframes , and then, for instance, re-use the output files in a subsequent epchain run, specifying the parameter runepframes=N ). Pages maintained by SAS librarian . ...

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• XMM-Newton SOC/SAS Software Problem Report (SPR)

Help on Resolving Technical Problems This document outlines procedures for resolving technical problems due to conflicts, installation or configuration of MGA products. ... To help isolate the problem try the following steps: 1) Try a clean boot of your system to see if anything in AUTOEXEC.BAT or CONFIG.SYS files is causing the problem. ... Software Problems For problems with software applications or drivers, try reconfiguring the graphics adapter to run VGA. ... MGA products are memory-mapped. ...

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• Work notes

... December 21, 1997 . ... Advantages are briefly discussed of gaining in spectral resolution, which is accompanied by losses in signal level, as compared with the attempts to improve the accuracy of measurement of line parameters by means of rising the S/N ratio alone with increasing the exposure time. To partially solve the problem of observations of faint objects at the BTA a new design echelle spectrometer is proposed. high resolution spectroscopy . ...

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... Archives . ... X-ray summer school is on going. ... Recently I went to JSM 2007 and tried to attend talks about (bayesian) change point problems, which frequently appears in time series models, often found in economics. ... Tags: ARCH , Bayesian Block , challenges , change point problem , GARCH , light curves , summer school , X-ray . ... I received another type of changing point problem, defining a peak precisely, from a x-ray school student, who tried bayesian block but said it didn?t work. ...

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• The AstroStat Slog Blog Archive working together to tackle hard problems in
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... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

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SPECIALIZED COMPUTER SYSTEMS FOR MATHEMATICAL MODELING OF DISCRETE POINT STRUCTURES READOUT PROCESS Aleksandr Reznik, Andrey Torgov, Aleksandr Soloviev Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences The paper describes the specialized software systems that have been used to solve difficult mathematical problems in digital images processing. ... Systems for the first computers based on FORTRAN. ... Systems based on Matlab special environment. ...

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• XII National meeting on management problems
• International Scientific Conference "Problems and Perspectives of Engine
• INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY PROBLEMS AND PROSPECT OF THE

... Reconstruction of peculiar velocities of galaxies from large-scale redshift catalogues provides an exemplary application of optimal transport. ... U Frisch, S. Matarrese, R. Mohayaee, A. Sobolevsky, A reconstruction of the initial conditions of the Universe by optimal mass transportation , Nature, 417 (2002) 260-262 ( arXiv:astro-ph/0109483 ) . ... R. Mohayaee, A. Sobolevskii, The Monge Amp re Kantorovich approach to reconstruction in cosmology , Physica D (2008) accepted ( arXiv:0712.2561 ) . ...

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• Cellular automata (Fall 2004)
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Next: The STScI NICMOS Calibration Up: No Title Previous: CONICA: The high resolution . The STScI NICMOS Calibration Pipeline . Introduction . ... Dark Current Subtraction . ... Input Data . ... Scalar Background Subtraction . 2-D Background Subtraction . ... Status and Goals of the NICMOS Calibration Plan . ... Photometry . ... Photometric Performance of NICMOS . ... NICMOS Photometry. ... ST-ECF Grism Spectrum Software for NICMOS Grism Data . ... Analysis . ... STScI NICMOS Software . ...

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... Data was taken with lbw and the mock spectrometers on 05may09 to investigate the problem with higher time resolution and bandwidth. ... 6 172 Mhz bands were taken centered at: 1200,1300,1400,1500,1600, and 1700 Mhz. 8192 channels (20Khz resolution) was used for the low time resolution (.1 second dumps). 4096 channels (40Khz resolution) was used for the high time resolution (.001 second dumps). ... The total power was computed for each 172 Mhz band and then plotted vs time (.1 second resolution). ...

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• aeronomy software
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Software Forum Message . Forums: . ... Discussion Forums | Astronomy Software Discussion | Post . ... Starry Night Problem . Forum List | ... Post Message | ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Starry Night Pro 5 Display Problems - an Astronomy Net Software Forum Message
• PROBLEMS WITH COSMOLOGY? - an Astronomy Net Bigbang Forum Message
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... Bojan Nikolic web pages (r. 329) . ... The PGPLOT package can produce high quality postscript output. ... I?ve found that the following sequence of post-processing operations produces identical output and often much smaller files: . ... eps2eps infile.eps interfile1 . ... Above infile.eps is the postcript figure as produced by PGPLOT, interfile1 and interfile2 are intermediate files and finalfile.eps is the final compressed encapsulated postscript figure. ...

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• ALMA Phase Calibration Techniques at the Cavendish Astrophysics Group
• Upgrading Users

... Satellite data ] . ... The SCANOR system provides receiving and processing of the Earth-surface pictures made in visible and infra-red bands and transferred by satellites of the NOAA polar orbiter series (in the HRPT mode). ... The SCANOR system includes the desktop receiving device connected to an IBM AT 386 type computer, and the parabolic antenna with the guiding mechanism. The SCANOR system possesses the state-of-art software providing registration and processing of the received data. ...

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... Moscow, Russia E-mail: krivosheev@iki.rssi.ru Notes: · · The Monte Carlo method (s) is also called the statistical test method An innumerable number of processes can be listed the outcome of which is not determined and has probabilistic nature, but these processes obey statistical laws, so to obtain the result we have to make multiple similar tests, i.e. to use the MC method Because probabilistic processes are widely spread in nature, the MC ...

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Subject, Object and Problems of Astrophysics. Practical and Theoretical Astrophysics. ... Visual Telescope; Problems Which Are Solved with the Its Help. ... Resolution of Telescopes. ... Effectiveness of Telescope in Respect of Resolution. ... Optical Power of Telescopes for Star-like and Extensive Objects. Boundary Magnitude. Reasons of Light Dissipation in Telescopes. ... Spectral Instruments in Astrophysics. ... Basic Photometrical Ideas, Magnitudes and Their Measurement. ...

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... Institutes of Chernogolovka . The largest of all the scientific institutions of the center is the Institute of Chemical Physics in Chernogolovka , where fundamental problems of chemical physics are studied: kinetics and mechanisms of chemical and biological processes; processes of combustion, explosion, and polymerization; and mechanisms of elementary reactions involving high energy particles. ... Developments and Technologies . ...

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