... Read in data: Fill (x, y, count) data records: Binned mode: x,y: image pixel coordinates count: number of events in pixel Single photon mode: x,y: event coordinates count:=1 Feed data records, background maps, and exposure maps into Maximum Likelihood PSF fitting algorithm: Use Marquarth-algorithm to minimize likelihood function of multi-source PSF fit. Remove sources from fit which do not significantly improve goodness of fit (required improvement in likelihood specified by parameter). ...

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• Parameters

... This paper describes the main algorithms used by the Einstein Level One processing to create the exposure masks and the background maps for Einstein IPC images, and how these algorithms were recreated in the IRAF environment. Our goal was to recreate the algorithms used by the Level One Processing to create exposure masks and background maps for Einstein Image Proportional Counter (IPC) data (cf. sections 2.5 and 2.7 of Harnden et al. ...

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• Representations of Celestial Coordinates in FITS
• ADASS 2002 Conference Proceedings
• Automatic Detection of Linear Features in Astronomical Images

Next: Creation of Sky Up: Additional Processing Previous: Additional Processing . The flat field calibration frame may not have the same illumination pattern as the observations of the sky. In this case when the field field correction is applied to the sky data, instead of being flat there will be gradients in the background. ... Like the flat field frames, the illumination correction frames may be data set dependent and hence there should be an illumination frame for each data set. ...

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• Illumination Corrections
• worker - Apache HTTP Server
• Starting Apache - Apache HTTP Server

... As described in "Tabular Storage of STIS Data" on page 20-5 , raw time-tagged Sdata are stored in an event table which contains separate columns for the x and y pixel coordinates and the arrival time of each detected photon event. ... Generate a series of ACCUMulated images from user specified time intervals of data and then process the image(s) with calstis . ... The default behavior for inttag is to accumulate all events from the table, writing the results as one image set in the output FITS file....

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• WFPC-2 ETC Help
• Prescription Retrieval
• On-The-Fly Reprocessing Systems

Next: Rev0, MPE-Processed Data Up: DETAILED LIST OF ROSAT Previous: DETAILED LIST OF ROSAT . Prior to June 1994 data processed in the U.S. were supplied in the following files: . ... rp<seq#>.fits . Photon events, data quality, and good time intervals (binary table) . ... Compressed image for display -- total energy band . ... Compressed image for display -- hard energy band . ... Compressed image for display -- soft energy band . ... Selected source spectra (ascii table) . ... Aspect files . ...

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• Filtering ROSAT HRI data on the basis of background level
• The AstroStat Slog bootstrap
• The AstroStat Slog Blog Archive Reduced and Processed Data

In Actor Prolog a resident is a special mechanism that helps processes to inspect state of other processes. A resident observes the state of a specified (target) process and if the state of the process changes (for instance, after message handling) it proves a specified predicate of the process. ... Work of the resident. ... Any change of the list of target processes or arguments of resident function results in activation of the resident and repeated collection of information in the target worlds. ...

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• GOVERNMENT OPEN SYSTEMS INTERCONNECTION PROFILE (GOSIP)

... Miriad has a couple of tasks available for finding positions of sources (see also cgcurs in Chapter 17 ). ... It fits a 2-D parabola to the image intensities in a 3 by 3 pixel box centred on the brightest pixel in a specified region and reports the fitted location and intensity. ... Input image . ... The quality of your fit can improve significantly by selecting a snug region, and/or using the clip keyword to keep pixel values with little signal (e.g. sidelobes and noise) out of the fitting process....

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• Some Additional Tools
• impos
• Pulsar Group Observing/Dfb-fold

... Class . ... METHOD . ... java.lang.Object ij.plugin.filter.Binary . ... Binary () . ... This method is called by ImageJ to inform the plugin-filter about the passes to its run method. int . ... This method is called after setup(arg, imp) unless the DONE flag has been set. ... The method should return a combination (bitwise OR) of the flags specified in interfaces PlugInFilter and ExtendedPlugInFilter . ... This method is called by ImageJ to inform the plugin-filter about the passes to its run method...

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• BackgroundSubtracter (ImageJ API)
• Uses of Class ij.process.FHT (ImageJ API)
• ImageMath (ImageJ API)

... Directives | ... Apache HTTP Server Version 2.2 . ... The most important directives used to control this MPM are ThreadsPerChild , which controls the number of threads deployed by each child process and MaxClients , which controls the maximum total number of threads that may be launched. ... Two directives set hard limits on the number of active child processes and the number of server threads in a child process, and can only be changed by fully stopping the server and then starting it again. ...

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• Starting Apache - Apache HTTP Server
• htcacheclean - Clean up the disk cache - Apache HTTP Server
• mod_mem_cache - Apache HTTP Server

asncombine -- Process and combine images in one or two NICMOS associations asncombine association . ... set to yes to include error planes in co-added images error. background . ... This is useful to use different background subtractions for different images. fheader . set to yes in order to multiply the background by the value of keyword "factor" in the image header. ... Set to yes to use quadrants statistics save in the image header from previous runs of asncombine. regquad1 . ...

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• Some Experiments with the Restoration of NICMOS Camera 2 Images of OMC-1
• ST-ECF Grism Spectrum Software for NICMOS Grism Data

You can also see this page in Russian with using KOI8 (X Windows) or CP1251 (MS Windows) Cyrillic coding. The Laboratory supports the space TV experiments, mainly in the planetary exploration missions. ... Image Co-registration . ... PHOBOS mission - Martian satellites investigations. Phobos on the Martian limb, the image from Phobos-2 probe from 02/28/89. ... Russian Space Bulletin. ... Last modified at June,26 1997 Alexey Kuzmin: akuzmin@mx.iki.rssi.ru . Back to IKI home page ...

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• The Face on Mars
• Processing the "Face on Mars" Images

... 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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• Nuclear Waste Disposal
• Astro-2 and the UIT Experiment

... TEXT, ] txt TEXT) RETURNS TSVECTOR . ... SELECT to_tsvector ('simple', ' vacuumdb is a utility for cleaning a PostgreSQL database .'); to_tsvector ------------------------------------------------------------------------------------------ 'a':3,7 'is':2 'for':5 ' utility ':4 ' cleaning ':6 ' database ':9 ' vacuumdb ':1 ' postgresql ':8 (1 row) SELECT to_tsvector ('default', ' vacuumdb is a utility for cleaning a PostgreSQL database .'); ...

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• Configuration Options
• ntpdate - set the date and time via NTP
• Debugging

. The exec statement causes the command specified as its argument to be executed in place of the current shell without creating a new process. For example: exec zmail -visual . This runs just the zmail program without a shell. When you quit the application the current shell also exits.

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• Running processes as background jobs
• Placing a foreground process in the background
• Managing jobs and processes

Starting Apache on Windows . Starting Apache on Unix . ... If the Port specified in the configuration file is the default of 80 (or any other port below 1024), then it is necessary to have root privileges in order to start Apache, so that it can bind to this privileged port. ... As an alternative to invoking the httpd binary directly, a shell script called apachectl is provided which can be used to control the daemon process with simple commands such as apachectl start and apachectl stop . ...

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• Performance Tuning Tips for Digital Unix
• Server-Wide Configuration
• Server Pool Management

... Observatory . ... Science . ... Science Users Information > Science Publications > Science Announcements > Release of Additional Pipeline-processed UVES Data . ... Observing Facilities . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Science Data Products Forum . ... Science Archive Facility . ... ESO Data . ... In addition to the previously announced UVES data release, over 10 000 individual spectra, acquired 2003 - 2013, are now available from the Science Archive Facility...

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• Astrometry
• GOODS
• ESO - Processed Calibration Files for VLT instruments Now Available

Astronomy Discussion Forums . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... How Good An Astronomer Do You Need? ... Post Message | ... So solar astronomy works with adaptive optics only when adaptive optics are not really needed to get good images, a negative result. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• IMerge Processing Moon Craters Pictures - an Astronomy Net Astrophotography
• Infrared Processing and Analysis Center, The - IPAC, AstroGuide Listing
• Ether - an Astronomy Net Eyepieces Forum Message

... Classes . ... TelescopeTCP Class Reference . This TelescopeClient class can controll a telescope by communicating to a server process ("telescope server") via the "Stellarium telescope control protocol" over TCP/IP. ... TelescopeTCP (const QString &name, const QString &params, Equinox eq=EquinoxJ2000) . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getEquinoxEquatorialPos (const StelCore *core) const . ... getJ2000GalacticPos (const StelCore *core) const . ...

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• Stellarium: StelSkyLayerMgr Class Reference
• Stellarium: StelCircleArcRenderer Class Reference
• Stellarium: SphericalRegion::DrawParams Struct Reference

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... Flights Chronology . ... ISS Russian Segment . ... Production . ... Production of Consumer Goods | ... ED involves design office developing goods and process department, whose specialists are engaged in sheet forming, metalloid processing, machining, line assembly and testing. ... Contribution of RSC Energia to the Russian Rocket-Space Technology ...

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• S.P.Korolev RSC Energia - PRODUCTION OF CONSUMER GOODS
• S.P.Korolev RSC Energia - LAND LAUNCH SYSTEM

Pulkovo NEO Page . ... Instrumentation and Observations . ... This Windows application serves for determination of spherical coordinates and magnitudes of the objects. ... The objects coordinates are referred to the system of chosen star catalog. ... 2. choice of reference stars with mouse, . 3. measurement of rectangular frame coordinates of objects and reference stars taking account of predefined background parameters, . 4. calculation of the spherical coordinates of objects. ...

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• Pulkovo NEO Page: Ephemeris Support