... The output timeseries has 4 columns (background subtracted source rate & error, background rate & error). ... Background corrections are not applied Input background rates table is empty ( warning ) corrective action : Background corrections are not applied Source and background rates les from di erent exposures ( warning ) corrective action : Background corrections are not applied (please, check the ODF les ) Background rates and region les have di erent EXP IDs ( ...

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• Extended-Source Photometry
• SourceListFile
• Description

... Next: The PROS Big Up: Software Systems Previous: Data Reduction Software . ... The srcinten task provides PROS users with a tool to compute count rates for point sources in the ROSAT High Resolution Imager (HRI). ... Corrected upper limits are cited at locations where the count rate falls below the source detection threshold. ... Srcinten is a new PROS task that computes and applies the above correction factors to the net counts in a user-specified aperture. ...

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• A Method for Minimizing Background Offset Errors When Creating Mosaics

... Data . ... In general, Dolphin finds good agreement with the Whitmore, Heyer, and Casertano results, and the longer baseline and more extensive data set used by Dolphin result in less scatter in the residuals. ... In these case the Dolphin corrections are larger than the Whitmore et al. corrections. ... Figure 1 shows the ratio of counts from a 14 second exposure of Omega Cen in August, 2000 to the counts in a 100 second exposure, vs. the Y position on the chip (WF2 in this case with gain=15). ...

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• Fine Guidance Sensor Instrument Handbook
• ACS Website
• HST Cycle 11 Late Breaking News

... New version of magnetic field data (descriptor "itm") is now available with small corrections in offsets and attitude coverage. ... Full set of INTERBALL-TAIL AKR radiointensity KP for AKR instrument is now available (descriptor "ita"). ... KP data availability plots are created. ... Magnetic field data (descriptor "itm") after 1st January, 1998 are recomputed with corrected Bx_GSE offset (this was just 0.5 nT correction). ... CDF files for plasma wave KP are now available (descriptor "itw"). ...

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Next: Combining Bias Frames Up: Preparing Your Calibration Previous: Input and Output . Except for summing the frames together, combining frames may require correcting for variations between the frames due to differing exposure times, sky background, extinctions, and positions. ... The input frames are combined by applying a sigma clipping algorithm at each pixel. ... The input frames are combined with a variant of the sigma clipping algorithm which works well with only a few frames. ...

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• Documentation: LEDA: parameter: mod0
• Background Definition
• Available Commands

... Bojan Nikolic web pages (r. 329) . ... Atmospheric Modelling for ALMA . This is also a very simple program (sharing some code with dispersive ) to compute the atmospheric absorption due to dry and wet components of the atmosphere. ... Invoking the help option: ./absorption --help Compute absorption by the atmosphere This program is part of AATM version 0.09 GPL license -- you have the right to the source code. ... Computing atmospheric absorption with AATM . ...

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• Anthony Lasenby: Hompage
• Part II Computational Physics - Windows access
• Bojan Nikolic -- A note on using 183 GHz Water Vapour Radiometers to correct

Computing LST Rise and Set Times at AO . ... Source Name: . RA (J2000): . ... Dec (J2000): . ... Each line should have, Source name, RA (hhmmss.s), Dec (ddmmss.s) . ... Enter the List . Use the List from a file) . ... Exclude rise times . Exclude transit times . Exclude set times . ... This tool computes the LST rise, transit and set times at Arecibo for a source using the program srcTimes (written by Phil Perillat) ...

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• Arecibo Observatory L-Wide Band Receiver
• M42 Color Images
• serverlList

... 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> ...

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ATNF Home . ... About ATNF overview . News | ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... For now, this beta-version should be used to become familiar with the tempo2 software and for any bugs to be found and new, useful features added. ...

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• koords: interactive co-ordinate fitting
• offaxis
• CASS News

Available Models Source Effective Area Blurring Matrix Counts Area Exp. ... Time Background FILTER Ratio Continuum Line Absorption Model Specification Data Agumentation Parameter Initialization ARF RMF Source Counts Bkg Counts Set Priors Transformation for GLM Separate Bkg counts Remove RMF Blurring Separate lines and continuum Restore absorbed counts Compute Loglikelihood [Conditional] Expectation - procedures Draw Parameters No Done? Yes OUTPUT: Filter Indicator Energy vs. ARF Channel vs. ...

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• The X-Ray Galactic SNR Catalog
• The AstroStat Slog background
• Guide to Science Software and Data on HEAD Computers

... Today's Picture: . If the Earth could somehow be transformed to the ultra-high density of a neutron star , it might appear as it does in the above computer generated figure. ... The gravity of this particular neutron star is so great that no part of the neutron star is blocked from view - light is pulled around by gravity even from the back of the neutron star. ... Astronomy Picture of the Day is brought to you by Robert Nemiroff and Jerry Bonnell . ...

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• Sternberg Astronomical Institute
• The Network Time Protocol (NTP) Distribution
• APOD: A Note About APOD During the Y2K Transition

Fortran 90 properties already in CF77 . ... Only the old form (fix form) of the source code is available. ... LOGICAL Default KIND number = 8 INTEGER Default int7 int15 KIND number = 6 1 2 digits = 46 7 15 radix = 2 2 2 range = 13 2 4 huge = 70368744177663 127 32767 bit_size = 46 8 16 INTEGER int31 int46 int64 KIND number = 4 6 8 digits = 31 46 63 radix = 2 2 2 range = 9 13 18 huge = 2147483647 70368744177663 9223372036854775807 bit_size = 32 46 46 REAL half Default,single double KIND ...

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• The new precision concept
• XFree86 Security Fix #1
• References

. N orilsk N eutron M onitor . Cosmic rays variation . Atmospheric pressure . Year . Month . Day . Hour . Minute . From . To . Resolution . Type of Data . 1 year 1 month 27 days 1 day 12 hours 6 hours 1 hour 15 min 10 min 5 min 1 min . Corrected for Pressure Atmospheric Pressure Uncorrected for Pressure . Data are also available by FTP . All Data for all Station are available by FTP . Links . Irkutsk .

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• Sayan spectrographic cosmic ray complex Irkutsk 2000 meters
• Саянский спектрографический комплекс космических лучей г.Хулугайша 3000 метров
• Sayan spectrographic cosmic ray complex Irkutsk 475 meters

... This information may be for older NA2 filters?? Filters There are 7 filter positions, containing the following filters from Custom Scientific . ... 0 - Bessell R . ... The only filter requiring a focus offset is the ND2 + R filter which will be measured on the sky. ... The red filter attached to the ND2 in position 6 is not the same as the Bessell R. Number 6 is an RG610 red glass filter ( Rolyn 65.1355 ) for the 610 nm cut-on. ... Focus . ... Guider Mechanical Controller (filter and focus) . ...

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• ARC 3.5m: | Passwords
• MILT Description
• ARC 3.5-m Instrument News Page

... Chapman, R. and Brandt, J.: The Comet Book: A Guide for the Return of Halleys Comet (1984, Jones and Bartlett) ? ... Branley, F.: Comets (1984, T.Y. Crowell) ? good picture book for students in grades K-3. ... Schatz, D.: The Comet Cometh: An Activity Book for the Return of Comet Halley ? ... Glenn, W.: "Halley's Comet Makes a Comeback'' in The Science Teacher Jan. 1984, p. 38. ... To construct a model of an Alien Being that could exist on another planet or satellite in our solar system. ...

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• ASP: National Astronomy Education Projects
• ASP: Annual Reports
• Astronomy Beat

The information path to prepare, perform and reduce a radioastronomical observation, using the Arcos correlator , is schematized in the figure: . The programs reside part on the computer network of the Arcetri Observatory, and part at the Medicina Radio Telescope . All programs running at Arcetri are written for a Sun workstation, and are public domain software, available upon request. Programs running at the telescope are written for a PC with DOS/Windows (or Linux).

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• HwB: SUN Keyboard/Mouse Connector (Offline)
• SDSSmosaic
• Labir Web Site

... You will connect to the server ( telescope ) computer with a command such as the one described below: ssh -L 7624 :localhost: 7624 user@remoteserver On a high speed local area network if you also want to transport X you may connect with ssh -Y -L 7624 :localhost: 7624 user@remoteserver Configure SSH without passwords =============================== On the computer you are connecting from ... Server Port =========== INDI accept remote commands on port 7624. ...

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• http://www.astro.louisville.edu/software/xmtel/archive/xmtel-5.1/REMOTE
• Mt. Kent Observatory Remote/Robotic Telescope
• ImageJ for Astronomy at the University of Louisville

Next: The course and unit level Up: Ceilidh - On Line C Tutoring System Previous: Introduction . ... To enter the system at the general level, the appropriate command (which should have been set up by your computer systems administrator) is . ... q quit this session fs find student | ... text ceilidh only) in X the courses available appear on main window.This command tells you which courses are available and supported by the Ceilidh system, their full title and their abbreviation. vp . ...

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• Spectrometric complex LRS
• shmidt_e
• harak_e

Peremennye Zvezdy", . ... V348 Aql, USNO-B1.0 0904-0422027 . ... Meinunger (1966) classified it as an eclipsing binary with a period very close to 1 day, noting however that the period and derived minima times were uncertain due to the low variability amplitude. As of July 2011, the O C gateway (Paschke Brat 2006; Paschke 2009) lists, in addition to Meinunger's photographic data, 2 visual and 3 CCD times of minima from Paschke (1988, 1996, 2006), Stepan (1995), Br t et al. ... Meinunger (1966) . ...

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A very important stage in a story of formation of any new science is the shift from discussion of situation which are possible but do not occur in practice due to some reason to recognition of real phenomena of interest. ... We suggest to consider computer viruses as this new specific form of life which is coming in the contact with our form of life. ... Computer life has been created by human being, the role of independent evolution of computer viruses seems to be still negligible. ...

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• Natural Satellites Data Center. Objectiv.