... Convert from raw counts to count rates by dividing each data point by exposure time and correcting for disabled diodes. ... For paired aperture or spectropolarimetry observations, a second flatfield file is used. fl1hfile,fl2hfile . ... Object data are normalized to the reference aperture used to derive the average inverse sensitivity used in AIS_CORR. ... Uses inverse sensitivity file (iv1hfile) and, for paired aperture or spectropolarimetry, file (iv2hfile). iv1hfile,iv2hfile . ...

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• On-the-Fly Reprocessing
• Are hot pixels/cosmic rays in my processed data?
• Errors in Processed TIME-TAG Data from STIS Now Corrected

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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• Phobos Mission

... CentralProcessor 0.11 documentation . BETA Processing Pipelines . ASKAPsoft is the suite of processing software developed by the ASKAP computing team to handle the pipeline processing of ASKAP observations. ... BETA processing uses a slightly different approach, particularly in the calibration method, and the set of scripts detailed here are designed to demonstrate a BETA reduction approach with ASKAPsoft. ... ASKAPsoft processing of BETA data . ... How to run the BETA pipelines . ...

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• PPTA Wiki | Pipeline / Runit
• Archive of VLBI Observations Majordomo List
• The Interpolation Process

Next: RSOG Pre-Observation Products . ... Mission Elements . ... The main mission elements (ME) are: . The RSOG, based at ASC, which is responsible for the science operation of the RadioAstron Mission. ... The Main Ballistic(Navigation) Center (MBC) belonging to Lavochkin Association coordinates preparation and exchange of orbit determination and orbit reconstraction ptoducts. ... Experiment codes of five characters are used in naming GRT related files. ... RSOG . ... Corr (GTS?) ... Corr (RSOG?) ...

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• Description of the RadioAstron project, english version
• Appendix B: Map of the Document
• References and Documentation

Next: AXAF Recipes Up: ROSAT HRI Recipes Previous: Quantum Efficiency Correction (a.k.a. For some observations, a significant amount of data may have been rejected during SASS processing because the background level was higher than the calculated threshold for rejection. ... REJECTED EVENTS . ... The recipe will allow the user to include rejected events in the generation of a new qpoe file and filter on the background level. ... This creates a qpoe file with standard + rejected events. ...

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• Background Corrections
• The AstroStat Slog X-ray
• About PROS

... SAS processing with the latest software and CCF files is performed as follows . Generation of filtered event files, source lists and extracted spectra for ONAXIS coordinates rgsproc xpsfincl=100 pdistincl=95 finalstage=2:angles rgssources srclist=P0123450101RXS099SRCLI_0000.FIT changeprime=yes \ primelabel='ONAXIS' rgsproc entrystage=2:angles finalstage=4:spectra . Generation of background light curves evselect table=P0123450101RXS099EVENLI0000.FIT \ expression=((XDSP_CORR<-3.E-4)|| ...

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• Processing OM Image mode data
• Selection of observations of empty RGS files
• Combination of the selected observations to make the templates and build CCFs

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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• ST-ECF Grism Spectrum Software for NICMOS Grism Data

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
• Processing the Data
• HyperLeda: example of online pipeline processing

... 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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• On-The-Fly Re-Calibration of HST Observations
• Doing Theoretical Astrophysics With HST's Data Processing Pipeline Software:
• Observation Interval Determination for the Chandra X-ray Observatory

... 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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• Astro-2 and the UIT Experiment
• Thermal History of the Universe
• Historical Cosmologies Historical Cosmologies

... In order to realize the optimal scientific return from the VLT, ESO has undertaken to develop an end-to-end data flow system from proposal entry to science archive. The VLT Data Flow System (DFS) is being designed and implemented by the DFS Group (ESO Internal access only) in collaboration with VLT Division and Instrumentation Division . ... VLT Control System Interface . ... OBs are the quantum of data that flows within the DFS, collecting state, data and status information as they flow. ...

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• GOODS
• Quality Control and Data Processing: Home page
• ESO - Overview

To run a process in the background as a job and carry on working add an (ampersand) at the end of the command line. ... The shell forks a child process to run the command and displays the job number ( [ n ] ) and the PID (Process IDentifier) number. ... If the command is likely to produce error messages you will need to redirect standard error. ... Do not run an interactive command that requires you to type something at the terminal as a background job. ... You will then have to kill its process . ...

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

... The UK has a very vibrant solar system science community highly regarded internationally. ... The PPARC Introductory and Advanced Courses in Solar System Plasmas has, since the1980s, played an important part in the early training of solar, heliospheric, magnetospheric and ionospheric physicists. ... We therefore seek support to provide the 2007 Introductory Solar System Plasmas School, which will provide valuable training for the next generation of solar system scientists . ...

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• The boot process in closer look
• C.J. Butler, Research Astronomer

Disastrous earthquakes happen 100 to 200 times a year. ... There is a chance that the data of ionospheric plasma observations hold an answer to the latter question. Satellites and ground-based facilities may detect earthquake precursors in the ionosphere a few hours or days before the main shock. ... ULF "Hz"-oscillations have been recorded several hours before the main shock in a narrow magnetic field tube (40...100 km along the satellite trajectory) conjugated with epicenter of the earthquake. ...

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• Tomography
• Extragalactic Astronomy
• Mykola I. Dzubenko

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE PROCESS OF SCIENCE: HOW DO WE KNOW? The nature of the universe, its age, its birth and life story, have been deduced through the process of science. ... In the case of astronomy, it usually starts with making careful observations and measurements -- something your students can begin to do through inspection of astronomical images, and observation of the real sky. ... An Ancient Universe - Table of Contents . ...

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• ASP: The New and Improved Hubble Space Telescope
• ASP's 2010 Annual Meeting

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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T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

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. The TV System for Navigation and Observation (TSNN) has been designed for solving navigation and scientific tasks of the "Phobos-Grunt" mission. Wide-angle . TV camera . TSNN includes four TV two narrow-angle and two wide-angle cameras. Every camera has built-in processor for real-time data processing. Each pair of TV cameras provides for stereoimaging. Narrow-angle . TV camera . Characteristics . Ground tests results . Publications

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• Prognoz Spacecraft
• OFO IKI / Planetary Research
• Optico-electronic Instruments for the Phobos-Grunt Mission

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

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• Observing with VISTA
• Use of the (UK) VISTA Data Flow System
• VISTA - Visible and Infrared Survey Telescope for Astronomy

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope 's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Siberian Solar Radio Telescope . ...

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• Radioastrophysical department ISTP RAS SB