... omichain (omichain-1.50) [xmmsas_20070708_1801-7.1.0] . ... The omichain then cycles through each filter in the filter list and processes each exposures in the exposure list for that filter. ... First it checks to see if the exposure is a full-frame low resolution mode, and if so it runs omcomb to combine the four separate image segments into a single full-frame image, which is then processed instead of the individual image segments. ...

... Posts tagged ?datasets? ... Mathematics for Analysis of Petascale Data . ... Comment . ... Category: Astro , Data Processing , Misc | ... Entries RSS . Comments RSS . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ... Entries (RSS) and Comments (RSS) . ...

... 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 . ...

Next: Listing and Plotting Velocity Up: Spectral Line Data Reduction Previous: Spectral Line Processing and . When fits reads a visibility FITS file, it can use one of two schemes for computing the observatory's radial velocity. ... fits assumes that a velocity of a given channel remains constant. ... You can either allow fits to retrieve the needed velocity information from the FITS file, or you can give this information explicitly using the velocity keyword. ...

Next: Three-dimensional Data Analysis in IRAF and ZODIAC+ . ... A data analysis system has been developed at SRON, which has been designed to allow rigorous control of the quality of its processed data products. ... This means recording all parameters of all steps which lead to the establishment of the final data products (Figure 1 ). ... Figure: A processing pipeline is a sequence of tasks with several input/output files and parameters, which pass data from one task to the next. ...

... This paragraph shows the very simplest possible example of how to do the relative calibration of a CCD--frame. ... Darks . ... AVERage/IMAge DARKAV = DARK01,DARK02,DARK03,DARK04 . ... COMPute/IMAge DENOM = FLATAV-DARKAV . ... The first two commands compute the simple averages of the dark and flat field images. The third command computes the dark subtracted average flat field. ... Note that there has been no correction for bad columns in either the flat field, the dark frames or the data frames. ...

... Science . ... Science Users Information > Science Archive Facility > Request Handler FAQ . ... Data Handling and Products . ... ESO Data . ... Also, please double-check that you have entered correctly the full address of the service ( http://www.eso.org/requestHandler/pipacks ), including the leading triple w. Answer: The packages contain the raw data belonging to the selected run, the associated raw calibrations, the masters derived from them and the pipeline science products generated from them...

Next: NICMOS Science Up: NICMOS Data Calibration and Previous: NICMOS Software at the . ... Reference File Tools . Image Analysis and Reduction . ... These include the tasks used in the STScI pipeline, tools to generate the reference files used by the calibration pipeline tasks, and general image analysis, manipulation, and arithmetic tasks. ... Calnica is used to apply instrumental calibrations to individual datasets, while calnicb is used to process associated sets of NICMOS images. ...

Results of analysis . ... IAA EOP Service . ... EOP series are regularly submitted to the IERS, and also are available at the IAA EOP Service page. EPN coordinate time series . EUREF Permanent GPS Network (EPN) coordinate time series is computed from analysis of available EUREF weekly solutions. ... Second solution is based on independent combination of individual EPN Analysis Centers' solutions . ... USNO GPS Timing Operations . ... GPS Time Series . ... EPN : European Permanent GPS Network . ...

... The data was taken over many days with the same source in more than one file. ... You want to convert the data to kelvins (this is galactic work) and then average all the scans for each source. ... input each onscan, average, and then scale to kelvins . place all of the averaged scans in an array, when done with the file, store this array in an idl save file for this day. ... Average together scans of the same source and then baseline them. input all of the daily save files into a single array . ...

This module provides for server-side imagemap processing. ... Configurable generation of imagemap menus. The lines in the imagemap files can have one of several formats: directive value [x,y ...] . ... The directives can come in any order, but are processed in the order they are found in the imagemap file. base Directive . ... Module: mod_imap . ... Its value is overridden by a default directive within the imagemap file. ... Its value is overridden by a base directive within the imagemap file. ...

... PUL VLBI Analysis Center . ... Pulkovo EOP and Reference Systems Analysis Center (PERSAC) is located at the Pulkovo Observatory . ... Processing of VLBI , GPS, and optical observations aimed at analysis of the Earth rotation, station displacement, and celestial reference system. ... Celestial Pole Offset (CPO) and Free Core Nutation (FCN) . Four daily updated CPO and FCN series (models) are provided. ... File fcn1.dat contains the ZM1 FCN model with variable amplitude and phase. ...

... We distribute the following software (free of charge): . ... The version we distribute has been adapted by P.Ganelin, S.Lvovsky <serge (at) mccme.ru>, and A.Shen <shen (at) mccme.ru> to work with Russian texts. It is available via ftp . ... The russified teTeX for Linux, made by A.Shen <shen (at) mccme.ru>. ... The russified MiKTeX 2.0 for Windows is also available via ftp . ... If you see any errors on this page, please write us <compwww (at) mccme.ru> ...

... Tonight's Sky . ... News . Observing . ... Supernova showered Earth with radioactive debris . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Supernova simulations reveal new processes . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

... 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. ...

The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source, such as a radio or satellite receiver or modem. ... Information on the NTP architecture, protocol and algorithms can be found in the following articles and reports, which are available online . Mills, D.L. Internet time synchronization: the Network Time Protocol. ... Mills, D.L. Network Time Protocol (Version 3) specification, implementation and analysis. ...

... International Astronomy Olympiad 2002 . ... The 7th International Astronomy Olympiad will be held on October 22-29, 2002 at the Special Astrophysical Observatory of Russian Academy of Sciences (SAO RAS) in North Caucasus. ... Authorized National Representative Astronomy Organizations (ANRAO) of the participating countries are authorized to form the teams of the Olympiad member-states. ... VII IAO . ... Information about the International Astronomy Olympiad 2003 will be known in the late 2002. ...

Constructing a Bootable CD Version 0.5 June 6, 1995 ® Technical Editor: Curtis E. Stevens Phoenix Technologies c 2575 M Cabe Way Irvine, Ca. ... Create a Bootable Target Image Move to the Mastering System Create a Dummy Boot Volume Descriptor Create a Dummy Boot Catalog Initiate a Simulation Terminate the Simulation Create a Proper Boot Volume Descriptor Create a Proper Boot Catalog Burn the CD Before this process begins the author must create a bootable Floppy or Hard drive with the target image. ...

The investigation of features of electromagnetic waves propagation, their generation and absorption in weakly inhomogeneous chiral media were started and the following results were obtained : . the governing equations to describe the electromagnetic waves interaction with inhomogeneous chiral plasmas were derived (together with N.S.Erokhin); . ... it was proven the 100 % hybrid mode conversion in the case of normal waves incidence upon inhomogeneous plasma (together with N.S.Erokhin); . ...