polimodel -- Produce model linear polarization and position angle images . ... Whether to apply random errors to output polarization and position angle values. seed = "" [integer] . ... This task produces a model linear polarization image and corresponding position angle image from an input image assumed to represent intensity (Stokes I parameter). ... A threshold for the input image can be defined such that polarization and position angle are not computed for input values less than this threshold. ...

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• POLIMPLOT (V1.00) --- April99 --- POLIMPLOT (V1.00)

polimodel -- Produce model linear polarization and position angle images . ... Whether to apply random errors to output polarization and position angle values. seed = "" [integer] . ... This task produces a model linear polarization image and corresponding position angle image from an input image assumed to represent intensity (Stokes I parameter). ... A threshold for the input image can be defined such that polarization and position angle are not computed for input values less than this threshold. ...

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• POLIMPLOT (V2.00) --- November00 --- POLIMPLOT (V2.00)

... Classes . ... Class List . ... casa . casa::SolarPos . ... Solar position class and calculations. ... SolarPos (const SolarPos &other) . ... operator() ( Double epoch) . ... Barycentric position of Earth. const MVPosition & casa::SolarPos::baryEarthDerivative . ... Barycentric position of Sun. const MVPosition & casa::SolarPos::barySunDerivative . ... Double casa::SolarPos::checkEpoch [private] . ... Double casa::SolarPos::checkSunEpoch [private] . ... Double casa::SolarPos::deval [3] [private] . ...

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• PmWiki | Plugins / Basic
• Number input
• casacore: measures/Measures/SolarPos.h Source File

Contents] [Previous page] [Next page] Index] . This book describes how to use Dynamic HTML to incorporate style sheets, positioned content, and downloadable fonts in your web pages. ... Introducing Style Sheets . ... Style Sheets in Communicator . Using Cascading Style Sheets to Define Styles . ... Defining Style Sheets with the <STYLE> Tag . Defining Style Sheets in External Files . ... Combining Style Sheets . ... Style Sheets Ink Home Page . ... Positioning HTML Content Using Styles . ...

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• Long description of example illustrating table row height calculations and
• Long description for example illustrating positioning with respect to a
• Long description for example illustrating absolute positioning

. XMM-Newton Science Analysis System . arfgen (arfgen-1.70.4) [xmmsas_20060628_1801-7.0.0] . Meta Index / Home Page / Usage and Examples . Here is another example with an explicit source position - (1000,-1000) in DET coordinates - specified: . arfgen spectrumset=spectrum.pha . withsourcepos=true sourcecoords=det sourcex=1000 sourcey=-1000 . See also 5.4 for details of why the task needs the source position, and how to change it. XMM-Newton SOC/SSC -- 2006-06-28

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• Procedure
• Example 7: Getting the unvignetted ARF

Pulkovo NEO Page . ... NEA Accuracy Estimation . ... The estimation of accuracy of the current CCD observations of asteroids and comets is constantly performed at Pulkovo Observatory. ... The (O-C) values, so called "Observed" minus "Calculated" positions, characterize numerically the observations of any observatory, both professional and amateur, during a short period (one or several close nights). ... So the (O-C) values for these objects nearly entirely define the errors of observations. ...

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• Pulkovo NEO Page: Estimation of Observational Accuracy

... The exact directions of the offsets are parallel to the rows and columns of the CCD on which the aperture is specified. ... It is often useful to explicitly specify the desired rotation of the WFPC2 field-of-view on the sky. ... Figure 7.8 shows the CCD orientation and aperture locations relative to the U3 axis. ... Obtain the Position Angle (PA) of the source axis on the sky, measured in the standard way, North through East. ... desired source angle in field-of-view measured CW from +U3 axis) . ...

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• Sample Shifting
• Conclusion
• PSF Variations with Field Position

Examples of pipeline processing . ... This page presents examples of "on the fly" processing of FITS astronomical data available on the WEB using the HyperLeda pipeline tools. ... In many cases, raw data are archived and a consisten description of the file (FITS header) allows to process them on the fly. ... This first command makes a "pre-view" display of the image. o=fa:L93111HP1/00147&z=vg . ... The result of a pipeline processing is a FITS file that you can read as a normal disk file. ...

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• Simple Examples of Positioning Content
• Links and anchors examples
• HTML Tag Reference

The geocentric angular distance between magnetic footprints of two satellites in the same time is considered as a criterion of the magnetic conjugations. The situation is identified, as a magnetic conjugation in case as the relative angular distance of the mentioned magnetic footprints is less then 5 deg. ... The output file with name 'xy.cng' contains the information about X and Y satellites magnetic conjugations as a function of the Universal time. ... See the output file description ...

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• Situation investigation for using during IACG/ISTP Campaign 2 scheduling
• mcfile
• The Favourable Spatial Position

... Next: Cheating Poisson: A Up: Statistical Analysis Previous: Spatial Models and . ... The spatial distribution of stars in the Local Group dwarf irregular galaxy NGC 6822 has been studied, using recent positions and deep photometry for about 15,000 stars in the galaxy. Based on photometrical data, OB stars and red stars could be studied separately. Spatial statistical tools have been applied to the analysis of the spatial structure. ... Figure: Model selection by the aid of CAIC . ...

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• Calculating the Position and Velocity Components of HST
• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
• Using Java for Astronomy: The Virtual Radio Interferometer Example

Region markers can be moved, resized, rotated, zoomed, deleted, and can change geometric type. ... For example, markers placed on astronomical catalog positions should be fixed so that one cannot accidentally move them off the specified position. ... Parameters can be fixed using the fix option of the regions public access point (for fixing classes of markers) or by means of a fix keyword in the definition of an externally loaded marker. ... In the command: echo "regions fix all -position -size" | ...

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• Spatial Region Boundaries
• *tvmark* - Mark pixel positions on the display
• Spatial Region Coordinates

fitcircle - find mean position and pole of best-fit great [or small] circle to points on a sphere. fitcircle [ xyfile ] -L norm [ -H [ nrec ] ] [ -S ] [ -V ] [ -: ] [ -bi [ s ][ n ] ] fitcircle reads lon,lat [or lat,lon] values from the first two columns on standard input [or xyfile ]. ... Then two locations are found: the mean of the input positions, and the pole to the great circle which best fits the input positions. ... If no file is specified, fitcircle will read from standard input. ...

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• http://xray.sai.msu.ru/~ivan/gmt/man/gmtselect.html
• Galactic potential
• The COOC Criterion (Criterion of Observations versus Calculations)

Astronomy Discussion Forums . ... I Think What You're Saying Is Not A Deeply-considered Position . ... Post Message | ... Posted by M.W.Pearson on October 16, 2002 19:36:09 UTC . ... I think there is more to it than dismissing Dr. Dick's position. ... http://www.astronomy.net/forums/god/messages/23110.shtml . ... www.astronomy.net . About 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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• Astronomy Terms - To Help You Study The Universe - an Astronomy Net Article
• Magnification (Power) And Using Eyepieces - an Astronomy Net Article

... MAXLEN parameter specifies maximum length of the number considered as a 'good' integer. ... If REJECTLONG = FALSE (default), than dictionary returns prefixed part of integer number with length MAXLEN . ... This is a dict_tmpl.c file. # include postgres.h # include utils/builtins.h # include fmgr.h #ifdef PG_MODULE_MAGIC PG_MODULE_MAGIC; #endif # include utils/ts_locale.h # include utils/ts_public.h # include utils/ts_utils.h typedef struct { int maxlen ; bool rejectlong ; } ...

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• Lighting plug-in
• Zen: NewExtentsBasedRanking
• Zen: tp search en

... There is an opportunity to perform O-C calculations for objects which are absent in the data base of the package. Such objects can be described by orbital elements or by initial coordinates and velocities. ... On pressing Edit file button user has a possibility to look through the list of object elements or their coordinates and velocities to add or to change it. ... For example, the designations of objects in the list can occupy the last position in each line. ...

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• NAA 2011-2012 (preface)
• NAA 2007-2008 (preface)
• NAA 2013-2014 (preface)

Posit ion switched data can be converted from spectrometer counts to kelvins using the cal values (see cnts to kelvins ). ... CalInK(avg) is the measured cal value averaged over the entire 172 Mhz band of the spectra. ... The mask was then applied to all averages. the 1200 Mhz polB is not on scale, but it is offset from the 1350 Mhz band . Bottom: Compute the rfi mask from the calon,off and well as the position on,off data. the 1200 Mhz band now has a smaller offset from the 1350 Band. ...

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• Example Observing Projects
• The Search for HVCs in Other Galaxies
• Making Maps: Example + Animation

... Bus Hound may be the very first product of its kind -- a software bus analyzer for capturing device I/O and protocol. ... When the capture buffer fills to capacity, Bus Hound can be configured to stop the capture process or continue capturing, keeping the most recent acquired data. ... IDE : Bus Hound captures command and data transfers for ATA and ATAPI devices. ... B us Hound captures I/O using a device driver. ... The below figure demonstrates how Bus Hound captures data for SCSI devices. ...

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• Plug-and-Play-HOWTO : Tell the Driver the Configuration
• Low Level Operators and Bit Fields
• Time Functions

... Fitting the observed dependence includes calculations of the polarization cross-sections averaged over particles orientation and size distribution, their normalization and the comparison of obtained dependencies with Serkowski's curve representing observational data for a chosen star. ... Variations of the polarization factors with wavelength are shown in Fig. 16 for homogeneous spheroidal particles with PF orientation. ... The distinction between prolate and oblate spheroids is also clearly seen. ...

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• The 2175? feature
• Database of Optical Constants -- Level: welcome
• Silicate minerals

... Activity 3: Measuring the Position of the Sun in the Sky . Purpose: To give students the opportunity to measure the position of the Sun in the sky using simple tools and methods. ... Alternatively, you may have students devise their own methods of relative measurement and apply them to measuring the position of the Sun in the sky. ... Rangi is the sky, and when the Sun is near Rangi's head it is summer in New Zealand. ... Read the Maori story to students. ... back to Teachers' Newsletter Main Page ...

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• ASP: To Every Season There is a Reason
• ASP: Sharing the Universe
• ASP: A Taste of Real Astronomy ? The ESA/ESO Astronomy Exercises

You are driving your car uphill along a straight road. Suddenly, you see a car run a red light and enter the intersection just ahead of you. ... A policeman observes the whole incident and gives a ticket to the other car for running a red light. ... When you get home, you read your physics book and estimate that the coefficient of kinetic friction between your tires and the road was 0.60, and the coefficient of static friction was 0.80. ... Will you fight the traffic ticket in court? ...

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• Worked Example 02
• Dark Matter in Spiral Galaxies
• Worked Example 03