... Parameter Mand Type Default Constraints set yes string The input OM OSW source list srcnumber yes integer The number of the source in the OM OSW source list srcradius yes real 3 The size of the source extraction radius : in FWHM of the source PSF, if it is positive, and in xed pixels if it is negative bkginner yes real 1 The inner radius of the background extraction ... The output region les could be based on the input root plus the source number. ...

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• http://xmm.vilspa.esa.es/sas/8.0.0/doc/omregion.ps.gz
• http://xmm.vilspa.esa.es/sas/6.1.0/doc/omregion.ps.gz
• http://xmm.vilspa.esa.es/sas/6.0.0/doc/omregion.ps.gz

... This section will deal with obtaining photons within specified regions of an image. Available regions are: Annulus Box Circle Ellipse Field -- entire field Irregular region based on intensity of map... i.e. region defined by contour levels. ... The imcnts task in the xray-spatial package sums the source and background counts in specified regions, and subtracts one from the other properly normalized. ... imcnts* - Find counts in an extended region, after removing an embedded point source . ...

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• *imexamine* - General analysis of image containing many sources
• *imcnts* - Find background subtracted counts for a point source
• *imcnts* - Find counts in an extended region, after removing an embedded point

Catalogs of sources found in the HDF-S images can be obtained from this page. ... version 1 . ... HDF-N SExtractor catalog . ... Objects that were considered to be "over merged" in the first catalog were deleted from that catalog and the entries for their various subcomponents were taken from a catalog with a higher detection threshold. ... The number of objects added and deleted for the different catalogs were WFPC2: 24 deleted, 31 added; STIS: 26 deleted, 8 added; and NICMOS: 14 deleted, 29 added. ...

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• generate_ramp.pro (JWST Pipeline routines in IDL)
• Discovery and Analysis of 21 ѕ®m Feature Sources in the Magellanic Clouds
• Near Infrared Camera and Multi-Object Spectrometer Instrument Handbook for

... CentralProcessor 0.11 documentation . ... Only continuum source-finding is done at this point - spectral-line source-finding will be added in the future. The source-finding applies a spatially-varying signal-to-noise threshold, and fits 2D Gaussians to detected islands to create a component catalogue. At this point, only a limited set of Selavy?s possible parameters are made available through these scripts. ... nsubx ( Selavy Basics ) . ... User Parameters - Mosaicking Continuum images . ...

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• uvsfit
• uvfit
• On the HI column density - radio source size anti-correlation in compact radio

... RC0133+0459 . ... RC0154+0459 . ... Radio source parameters . R.A.(J2000) Dec.( J2000) R.A.(B1950) Dec.( B1950) Freq. Comp. ... MHz] size["] flux[mJy] ["] index 01:54:47.65 +04:59:23.9 01:52:11.19 +04:44:42.1 1425.0 .6 84 - 1.01 . Parameters of optical candidates for identification . ... B1950) Magn. 01:54:47.65 +04:59:23.7 01:52:11.18 +04:44:42.0 22.6 . Cross marks radio source ps . Last updated 20 Dec 2000 ...

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Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...

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• A VLA Survey of Rich Clusters of Galaxies I.
• Documentation: LEDA: parameter:
• HyperLeda: example of online pipeline processing

Next: Program use Up: Description of program searchdup Previous: Description of program searchdup . Parameter input is done with a graphic user interface. ... Input file: Name of the input catalog file. It has to be formatted, one record per source/observation, according to the format used in the Arcetri observations and source archives. ... Minimum number of observations per source Source with less than this number of independent observations are not included in the output file . ...

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• Kernel source is already browsable online
• Determination of the Detector Parameters
• Description of program searchdup

home education > resources . ... Resources . ... Astronomy Education Bibliography . ... Black Holes: An Introductory Resource List . ... Space Science Education Resource Directory . ... An asteroid space ship being chased by an enemy missile goes through the ergosphere of a rotating black hole, taking energy out and making the chasing missile fall in the event horizon. ... In the far future, a virtual human is dropped into a black hole and makes an interesting discovery about space and time. ...

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• ASP: Family ASTRO: Resource Lists and Background Reading
• ASP: Astronomical Pseudo-Science: A Skeptic's Resource List
• ASP: Educational Resources

... Impact of Covariance Information on the Orientation Parameters Between Radio Source Position Catalogs, IVS 2012 General Meeting Proceedings, p.339­341 http://ivscc.gsfc.nasa.gov/publications/gm2012/sokolova.pdf Impact of Covariance Information on the Orientation Parameters Between Radio Source ... IVS Analysis Centers provide these catalogs in a standard IERS format, where together with radio source positions and other relevant information, RA/DE correlations are reported. ...

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• http://www.gao.spb.ru/english/as/j2014/presentations/kurdubov.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/iddink.pdf
• http://www.gao.spb.ru/english/publ-s/viii-rfs/p099.pdf

... The determination of parameters of . the gravity anomalies sources . ... The interpretation of sources of the anomalies of the Earth's gravity field is carried out. ... 2) в общем неравновесном поле Земли учтено влияние масс рельефа планеты, компенсированного на некоторой глубине : . ... средний радиус поверхности рельефа, - средний радиус поверхности относительности, где - средняя глубина компенсации, - средняя плотность масс рельефа, - средняя плотность Земли. ... Параметры источников . ...

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• IMCCE-SAI: Natural Satellites Service. Parameters and constants
• Data bases of Natural Satellites. Documentation. Structure

Applying Bayesian analysis to polarisation data J. Geisbuesch ( Cambridge ) Bayesian analysis of polarisation data LOFAR MKSP Workshop 1 / 15 Outline 1 2 3 4 Polarisation simulations @ radio wavebands Bayesian analysis Analysis of polarisation data Conclusions J. Geisbuesch ( Cambridge ) Bayesian analysis of polarisation data LOFAR ...

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• Monitoring of variable sources at 15 GHz
• G332.4-0.4
• G327.6+14.6

... 172 ] Briefly, the count rate at the detector from a source at a redshift z is . ... Figure 55 shows the ``Green functions'' for the double compact binary merging rate   evolution assuming no collapse anisotropy. ... Another way that