For historical reasons, it is useful to offer comparisons between the current WFPC2, and its predecessor WF/PC-1, which was returned to Earth in December 1993. Field format: WF/PC-1 contained 8 cameras and CCDs, each CCD having 800 x 800 pixels. ... Many differences derive from the fact that the WF/PC-1 CCDs were thinned, backside illuminated devices whereas the WFPC2 CCDs are thick, frontside illuminated devices. ... WFPC2 devices have much less CTE error, and hence no preflash is used. ...

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• Astronomical Catalogs
• Exposure Containers: Exposure Groups, Coordinated Parallels and Patterns

... It is described as a function of event pattern type in columns QE_nn (where nn=0, single pixel events, - 31). ... The fraction of the total QE which is contained in single, double, triple or quadruple pixel events, as a function of the channels tabulated in CHBINS_FRACTION. ... The fraction contained in single+double pixel events . ... The fraction of the total QE which is contained in single, double, triple or quadruple pixel events, as a function of the energies tabulated in EBINS_FRACTION. ...

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• Extraction and correction of an X-ray light curve for a point-like source
• Input Files

... A data set contains a science frame and all its associated calibration frames. In order to archive a maximum of efficiency the CCD package uses a simple and straightforward naming convention: the names of the data sets are identical to the names of the science frames. ... By combining the calibration frames of a particular exposure type ( e.g. bias) the user can create a master calibration frame. ... Below follows a listing of calibration frames that currently can be handling in the CCD package. ...

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• Fixed Container
• Layout Container
• Association of Calibration Exposures

... Classes . Files . ... casa . ... National Radio Astronomy Observatory 00023 //# 520 Edgemont Road 00024 //# Charlottesville, VA 22903-2475 USA 00025 //# 00026 //# $Id: Containers.h 20551 2009-03-25 00:11:33Z Malte.Marquarding $ 00027 00028 #ifndef CASA _ CONTAINERS _H 00029 #define CASA _ CONTAINERS _H 00030 00031 # include casa / Containers /Block.h 00032 # include casa / Containers /Link.h 00033 # include casa / ... Generated on Fri Sep 3 2010 13:06:54 for casacore by 1.7.1 ...

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• Containers and Pop-up Shells
• casacore: casa/Containers.h File Reference
• casacore: casa/Containers/BlockIO.h Source File

... Cabinets containing the Palomar, ESO and UKSTтАж . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: Cabinets containing the Palomar, ESO and UKST survey plates and films. Description: NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ... NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ...

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• Walter Stibbs signs the page containing his picture for Kim Rawlings

... Shockproof Plastic Battery Storage Box Container Case for 16340 / CR123A Battery . ... Package Contents: 1 x Battery Case, 1 x Strap, 1 x Keyring, 1 x Carabiner . ...

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Next: Photometry Up: Regions and Source Parameters Previous: *imcnts* - Find counts . This task (developed for use with optical images, but also useful with x-ray data) will quickly compute location, size, ellipticity, and position angle of sources. ... User can generate contour plots of any portion of the image and count rates in slices through the image. The program is advertised as ``quick [optical] photometry''. input file: rp110590_im1.imh . output file: logfile . ... Photometry . ...

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• Eyes on the Sky, Feet on the Ground
• Additional Tools
• IDL Program Help Pages

Next: Silicate minerals Up: A Database of Optical Previous: Database of Optical Properties . ... If necessary, data have been determined for the different crystallographic axes. ... In the following we give some examples of the data and their possible applications. Table: Summary of data measured in the Jena laboratory, which are currently available from the JPDOC. compound . ... amorph. ... Next: Silicate minerals Up: A Database of Optical Previous: Database of Optical Properties root 2003-03-06 ...

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• Hydrogenated amorphous carbon
• Silicate minerals
• Database of Optical Constants -- Level: welcome

... Look at this example: pwd (print the user's working directory ) /home/tom/reports ls ../tmp/ drafts (list the contents of this directory ) expenditure targets ln -s $HOME/tmp/ drafts quarterly (use a symbolic link to make the directory ) cd quarterly (change directory to this linkname ) ln $HOME/accounts/ expenses (link a file to this linkname ) ls (list the contents of the linked directory ) (the linked file is listed) ...

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• Examples of creating an archive file
• UNIXhelp Glossary - "B"
• Look-up Online Manual

Blackholes2 Forum Message . ... Post . ... A Field Does Not Contain Energy? ... Post Message | ... Here are two sites of many which use rest mass terminology. http://www.iop.org/EJ/abstract/0026-1394/41/5/S04/ . ... This site refers to the energy contained in a static gravitational field. http://www.ias.ac.in/currsci/mar25/articles27.htm . ... 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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• Naylor Observatory, AstroGuide Listing
• "Back To The Astronomy Cafe" Book Review - an Astronomy Net Article

NAME ABbuilder - DFO data organization tool SYNOPSIS ABbuilder <options> where <options> are: --raw-dir directory containing raw data --cal-dir directory containing calib data --cal-ldir directory containing symbolic links to calib files --cal-list mcalib list --vcal-dir directory containing virtual products --pro-dir where pipeline products are created --ab-dir where association blocks are created --oca-rul file containing OCA rules --instrume instrument --date YYYY-MM-DD --mode { CALIB | ...

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• Association logs
• Scan data
• Stellar parameters from calibrations of spectral types

. Index . <- . -> . Container . 7 gennaio 2010 11:38:32 .

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• CHIANTI atomic database

... Signs : 1- Laser impact aperture, focused at the carbon tablet, 2 ­ antireflection lens, 3 ­ container's body, 4 ­ vertical section of cartridge, 5 ­ nitrate ammonium water solution, 6 ­ underwater plasma torch, 7 ­ the tablet of superpure carbon Mass peaks of OC formed in a sub water plasma torch generated sub under the influence of laser radiation on a target made from carbon and water solution of NH4NO3, with an possibility of synthesis of Gly, Ala, Ser and Cys. ... 103 ­2. ...

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• gbsfile
• mcfile
• The Exploration of the Earth's Magnetosphere"

... Package . Class . Use . ... Packages that use ij.measure . ... Classes in ij.measure used by ij . Calibration . ... Classes in ij.measure used by ij.gui . ... Classes in ij.measure used by ij.macro . ... Classes in ij.measure used by ij.measure . ... Classes in ij.measure used by ij.plugin . ... Classes in ij.measure used by ij.plugin.filter . ... Classes in ij.measure used by ij.plugin.frame . ... Classes in ij.measure used by ij.process . ... Classes in ij.measure used by ij.text . ...

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• Tools (ImageJ API)
• API Help (ImageJ API)
• Line (ImageJ API)

... How much energy is there in a 20 mph wind? . 20 mph wind =10 m/s .0006 * 10 3 = .0006 * 1000 = .6 KILO watts per square meter . ... In your back yard the average wind speed is 10 mph which yields 100 watts per square meter. ... 4 3 = 64 if a 10 mph wind gives you 100 watts per square meter then a 40 mph wind gives you 64 times more power per square meter 6400 watts per square meter . total power = 6400 watts per square meter * 2 square meters = 12800 watts = 12.8 Kilowatts this is a lot! ...

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• The Galaxy Gallery Page IX: Clusters of Galaxies
• Other Sources of Oil
• How a Nuclear Reactor Works

GENERAL DESCRIPTION OF DATABASE . It is a matter of common knoledge, that solar magnetic fields and, in particular, magnetic fields of sunspots, play important role in many solar events. In Pulkovo observatory the long-term data set of daily observations of magnetic fields of solar sunspots was accumulated, which contains great potential for further researches in solar physics. ... Second section includes files containing sum data about magnetic fields for every observational day. ...

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• General description of the database

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . Sun . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... What would a bucketful of our Sun contain? ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Scientists explain why Moon rocks contain fewer volatiles than Earthт??s |
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• The Milky Way contains at least 100 billion planets according to survey |

This repository contains scientific and engineering memorandum relating to ALFA. Many of these memos are also listed on the appropriate consortium pages. ... 2005 Oct 27 . ... Heiles . 2004 Dec 30 . ... 2004 Feb 29 . ... 2003 Nov 25 . ... 2003 Jun 28 . ... 2006 Feb 28 . ... E-ALFA Consortium . ... Current Version of GALFA H I Reduction Software . ... 2006 Jun 13 . ... 2005 Jun 1 . ... 2005 Feb 1 . ... GALFA Consortium Guidelines . ... GALFA Consortium . ... GALFA-CON Sub-Consortium . ...

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• The Arecibo User Manual for Astronomers
• ALFA Diode Temperature-Explanatory Notes
• ALFA Calibration Diode Temperature (Full Band)

This directory contains Calgary Neutron Monitor Data at five minute resolution. Each file is a gzipped tar archive that contains files of uncorrected count rates and barometric pressures at five minute intervals for one year. A file named snm.calg.fmi.YYYY.tgz is an archive that holds five minute data for the year YYYY. ... So a file named cal01030.fmi contains five minute uncorrected data for year 2001 day 30 (which is Jan 30, 2001). ... A text file named note.txt is also usually present. ...

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• http://www.wdcb.ru/stp/data/cat6CDR/Spacecraft%20STP%20Data
• http://www.wdcb.ru/stp/data/cat6CDR/Cosmic%20Ray%20Data
• http://www.wdcb.ru/stp/data/geo_min.val/A1Readme/1min_WDC.fmt

Data Processing . S2 or VLBA tapes containing the astronomical data recorded at tracking stations and ground radio telescopes must be sent to correlation center chosen by the principal investigator (PI). ... There are four correlators, which will be able to process RadioAstron data: DRAO S2-correlators in Canada, NRAO VLBA-correlator in USA, and Mitaka correlator in Japan. ... Data and Phase Links . Ground Support of the RadioAstron . ... Progress of the RadioAstron Project in Pictures . ...

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• ОТЧЕТ
• RadioAstron Monthly Notices