Next: Order Extraction Up: Background Definition Previous: Background estimate by . ... The sky background component can be measured in spectra taken with an extended slit using the two commands DEFINE/SKY and EXTRACT/SKY . ... The command EXTRACT/ECHELLE performs an average extraction of the sky background using these offsets, optionally fiters for cosmics, and provides an extracted spectrum in a format similar to the one resulting from EXTRACT/ECHELLE . ...

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... Point sources in FF modes: Source and background regions could be well defined. ... XMM-Newton Martin Stuhlinger, ESAC 2 Examples XMM-Newton Martin Stuhlinger, ESAC 3 Working scheme for PN FF/MOS · Get particle+electronic background from out-FOV regions. ... Subtract particle bkg from user defined bkg to get photon background. ... XMM-Newton Martin Stuhlinger, ESAC 4 PN SW / Extended sources · No out-FOV area: Template for particle background needed. ... XMM-Newton Martin Stuhlinger, ESAC 6 ...

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• http://xmm.vilspa.esa.es/docs/documents/CAL-SRN-0229-1-1.ps.gz
• http://xmm.vilspa.esa.es/docs/documents/CAL-SRN-0011-1-0.ps.gz
• Procedure

OptInt PmWiki : Pm Wiki / Wiki Farm Terminology . ... A wiki farm is nothing more than multiple wikis that share the same installation of the PmWiki software. ... All of the wikis in a farm are more or less the same, except the "home wiki" is a wiki that is located in the same directory as the PmWiki software. ... Home wiki . A wiki in a farm that's located in the same directory as the PmWiki software and therefore shares the farm's cookbook/ and pub/ directories. ... Use PmWiki directory instead. ...

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• Inference of Coefficients for Use in Phase Correction Bojan Nikolic web pages
• Inference of Coefficients for Use in Phase Correction
• OptInt PmWiki : Wiki Farm Terminology

... DpmkSpace (part of SAS) . Cdb server (part of calibDB, in Garching only . Dpserver (part of SA, in Garching only) More about P2PP checks to be performed when installing/configuring it. Go to top of page . More about OT-tcl/tk checks to be performed when installing/configuring it. ... More about Java-OT checks to be performed when installing/configuring it. ...

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• Home page WG on calibrators
• DFS To-Do list rules
• IRAF/STECF 2-D spectrum point source / background decomposition package

Geomagnetic disturbances can be monitored by ground-based magnetic observatories recording the three magnetic field components. The global Kp index is obtained as the mean value of the disturbance levels in the two horizontal field components, observed at 13 selected, subauroral stations . ... Geomagnetic activity is the occurrence of K variations. ... But K still remains a local index, describing disturbances in the vicinity of each observatory. ...

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• Basic definitions [Oulu]

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Facilities . ATNF facilities . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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• PPTA Wiki | Projects / RedGW
• casacore: casa::EarthField Class Reference
• casacore: casa::TableMeasOffsetDesc Class Reference

CCD Performance . ... The dark current appears to have two components: one from electronic sources in the CCD, and a second component whose strength correlates with the cosmic ray flux. ... As of this writing, the " DARKTIME" keyword in the WFPC2 image headers does not reflect correctly the actual time during which the CCD collects dark current. ... External exposures of 180s or longer made with the serial clocks off (CLOCKS=NO; the default setting) suffer an additional 60s of darktime (restart=1). ...

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• HST Primer for Cycle 22
• The HST Focal Plane and the GHRS Apertures
• Silicon Nanoparticles: Source of Extended Red Emission?

... The HST uses an onboard model of its orbit to perform in real-time various control functions relating to spacecraft operations and observation support. ... New coefficients for the ephemeris are updated every other day, and are archived as FITS keywords for each HST observation data set. Using these coefficients,an observer can perform a variety of calibration and characterization calculations relating to the orbital position and velocity of the telescope. ...

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• ADASS 2003 Conference Proceedings
• A Spectroscopy Exposure Time Calculator for IRAF
• TwoFitlines: An Spectrum and Line Analysis Tool

... The width of hydrogen lines is known to depend on the pressure in the photosphere, and then on the luminosity and effective temperature of the star. We have studied this dependence using the spectra of normal B stars from the databases by Jacoby et al., ... The resolution of Jacoby spectra (4.5А) coincides with the resolution of our BTA/UAGS spectra (4.4A). ... Dependence of full width FWZI of hydrogen lines on star spectral type and luminosity class. ...

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• Iron abundance in the atmospheres of components of the binary system 41...

Last time we saw that flat rotation curves for galaxies, when measured in galaxies with extended gas distributions, provides unambiguous data that shows the mass distribution is dominated by an unseen, spherical halo. ... Perhaps only galaxies with extended dark matter halos are capable of retaining large gaseous extents? . ... Clusters of Galaxies: . ... The case of the Cancer cluster: . ... Below is the velocity distribution of galaxies in the Cancer cluster: . ... What's going on in Cancer? ...

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• Fundamentals of Mechanics

Next: *errcreate* - Use of Up: Background Corrections Previous: *imcalc* - Obtain a . Obtain a radial profile estimating the background level from a background map. input files: xdata$snr.qp; xdata$snr_bbk.imh . intermediate file: broad.imh . output file: broad_cnt.tab . ... Alternatively, the blocking and pi selection can be done as input to the task avoiding the creation of another data file. input files: xdata$snr.qp; xdata$snr_bbk.imh . ...

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• The AstroStat Slog Blog Archive [ArXiv] component separation methods
• The AstroStat Slog component separation
• *imcnts* - Radial Profile of an extended source at the field center

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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• Software Maintenance Manual
• Richard Woolley and Jim Banham inspecting optical and mechanical components,
• GSAOI Component Supplier Links Page

... Class . ... java.lang.Object java.awt.Component java.awt.Canvas ij.gui.MultiLineLabel . ... public class MultiLineLabel . ... Based on MultiLineLabel class from "Java in a Nutshell" by David Flanagan. ... Nested classes/interfaces inherited from class java.awt.Canvas . ... Nested classes/interfaces inherited from class java.awt.Component . ... Fields inherited from class java.awt.Component . ... Methods inherited from class java.awt.Canvas . ... Methods inherited from class java.awt.Component . ...

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• Uses of Interface ij.measure.Measurements (ImageJ API)
• TrimmedButton (ImageJ API)
• ImageJApplet (ImageJ API)

Each Apache module is described using a common format that looks like this: . Status: status . ... This indicates how tightly bound into the Apache Web server the module is; in other words, you may need to recompile the server in order to gain access to the module and its functionality. ... A module with "Extension" status is not normally compiled and loaded into the server. ... Modules which are not included with the base Apache distribution ("third-party modules") may use the "External" status. ...

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• Definitions of terms used to describe Apache directives
• The Apache TPF Port

Extended time series of Solar Activity Indices (ESAI) is database including observational, synthetic and simulated sets to study Solar magnetic field variations and their influence on the Earth. ESAI extend the ordinary lengths of some traditional indices of solar activity: sunspot areas, Wolf numbers (equatorial component of magnetic field of the Sun), polar faculae numbers (polar component), mean latitudes, N-S asymmetry of hemispheres (location of activity). Series . ...

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EISA=Extended Industry Standard Architecture. ... EISA: E1(front)/F1(back) C1/D1 G1/H1 A,C,E,G=Component Side A,B,F,H=Sold Side . ... 62+38 PIN EDGE CONNECTOR at the computer. ... EISA Ready . ... EISA Slave Size 32 . ... GND . Ground . ... KEY . Access Key . ... Latchable Addressline 31 . ... Data 17 . ... Mark Sokos EISA page . EISA System Architecture, 2nd Edition" by Tom Shanley and Don Anderson, ISBN 0-201-40995-X . ...

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• HwB: SCSI Information Connector (Offline)
• Finding definitions in the source
• research field

... A component of the hierarchical structure defined by the document type definition; it is identified in a document instance by descriptive markup, usually a start-tag and an end-tag. ... HTTP . ... For more information see: http://www.w3.org/hypertext/WWW/Protocols/Overview.html . ... Available by anonymous FTP as Postscript ( www.w3.org/pub/www/doc/url.ps ) or text ( www.w3.org/pub/www/doc/url.txt ) . ... For bootstrap information, telnet www.w3.org or find documents at ftp://www.w3.org/pub/www/doc ...

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• Definition Lists
• Creating a command alias
• Running processes as background jobs

... sin f = y / r . cos f = x / r . ... They are now viewed as new definitions of the sine and cosine, for the polar angle f given by x and y ( a slightly different way of formulating this definition is described further below ). ... sin 2 f + cos 2 f = 1 . ... Angle . ... Many trigonometry texts define the sine and cosine slightly differently, using the so-called unit circle . ... Then the distance AB ("the sine line") equals sin a , and the distance OA ("the cosine line") equals cos a . ...

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• Wave complex KEM-3
• "Stargazers" and National Science Standards
• Vectors

... On 11mar08 a sine wave was injected into the pdev baseband mixers to measure the mixer and pdev A/D levels. ... Onset of compression. 7dbm input, 9 dbm output , 15 dbm attenuation. ... A 9 dbm output will generate a sine wave with an amplitude of 2047 A/D counts. -8dbm input, 9 dbm output, 0 dbm attenuation. ... with 15 db attenuation, the mixer input is 7 dbm, H3-5 amp needs to output 22.5 dbm . with 0 db attenuation , the mixer input is -15 dbm, the H3-5 amp needs to output 22.5 dbm. ...

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• radar

... In this first example, we allow an object to fall onto a small radar unit . The resulting Time-Frequency distribution is shown as a contour plot in Fig. 8 (a). Figure: FIGURE GOES SOMEWHERE IN THIS GENERAL VICINITY . ... Its density plot appears as an image in Fig. ... The response has a very high peak, as evidenced from Fig. ...

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• Conformance: requirements and recommendations
• Background color examples
• Wavelets and equations