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http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/arxiv-2nd-week-may-2008/index.html.
http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/arxiv-2nd-week-may-2008/index.html.
1. The AstroStat Slog coloured background
... Posts tagged ?coloured background? ... A fast Bayesian approach to discrete object detection in astronomical datasets ? ... ArXiv] A fast Bayesian object detection? ... Comment . ... Entries RSS . Comments RSS . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...
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Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/coloured-background/index.html -- 21.2 Кб -- 01.03.2014
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2. Background estimation
... Meta Index / Home Page / Description The wavelet detection algorithm itself does not use any separate background estimate. ... For the parameter I choose to use a value twice the size of the wavelet scale under investigation (so for every scale a different background map is generated). After one iteration the input for the background estimate is the original image minus the sources, detected at scales smaller or equal to the wavelet scale under investigation. ...
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Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/ewavelet/node7.html -- 4.9 Кб -- 01.07.2008
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3. Galactic Gravitational Wave Background
Next: Extragalactic Gravitational Wave Background Previous: Transparency of the Stochastic . Let the sky be observed with a detector having a pencil beam diagram across. The number of stars per frequency decade that is swept by the detector is a function of celestial coordinates (say, galactic coordinates l , b ): . ... It is clear from the figure that for an all-sky detector the Galaxy becomes transparent above the frequency Hz. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node82.html -- 10.0 Кб -- 04.03.1997
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4. World Coordinate Systems (WCS) in FITS
The FITS "World Coordinate System" (WCS) standard defines keywords and usage that provide for the description of astronomical coordinate systems in a FITS image header. ... I: "Representations of world coordinates in FITS" , Greisen, E.W. & Calabretta, M.R. (2002), Astronomy & Astrophysics , 395 , 1061-1075. ... This diagram illustrating Bonne's projection with conformal latitude +35 was produced by WCSLIB , a C implementation of the coordinate transformations defined in the FITS WCS papers. ...
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Ссылки http://www.atnf.csiro.au/people/Mark.Calabretta/WCS/index.html -- 14.0 Кб -- 10.04.2016
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5. Thermal/Sky Backgrounds GPI Data Pipeline 1.0 documentation
... GPI Data Pipeline 1.0 documentation . ... Thermal/Sky Backgrounds . ... Using Thermal/Sky Backgrounds in GPI Data Reduction: . Creating Calibrations: . ... Thermal emission (from sky or telescope) becomes an important background source for wavelengths longer than 2 microns. ... The pipeline treats thermal/sky backgrounds similar to dark frames and is designed to subtract a thermal/sky background, scaled to the integration time of the science image, from K-band observations. ...
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Ссылки http://www.stsci.edu/~mperrin/software/gpidata/ifs/steps/thermal_background.html -- 11.2 Кб -- 14.02.2014
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6. cosmic microwave background | Astronomy.com
... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... Cosmic Adventures . ... cosmic microwave background . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email...
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Ссылки http://www.astronomy.com/tags/cosmic-microwave-background -- 56.5 Кб -- 09.04.2016
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7. echelle
... AVERAGE/TABLE frame table xy_col outcol [size] . ... BACKGROUND/ECHELLE in out [radx,rady,step] [degree] [smooth] [method] . ... BACKGROUND/SMOOTH input output [radx,rady] [niter] [visu] . ... performs order definition and wavelength calibration . ... DISPLAY/ECHELLE image [g_flag] . ... Extract echelle orders and produces a frame in space pixel-order . ... LOAD/ECHELLE . display echelle orders (and optionally background) positions . ... Plots the overlap region between adjacent orders n and n+1 . ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol1/node150.html -- 9.8 Кб -- 23.02.1996
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8. ST-ECF Grism Spectrum Software for NICMOS Grism Data
Next: Imaging Polarimetry with NICMOS Up: NICMOS Data Calibration and Previous: The Photometric Performance of . ... NICMOSlook and Calnic C . ... Extracting spectra from a large number of NICMOS grism images requires a convenient interactive tool which allows a user to manipulate direct/grism image pairs. ... NICMOSlook and Calnic-C are two programs that were designed to take advantage of the fact that the NICMOS grism mode typically consists of taking both a direct and a grism image. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node13.html -- 16.5 Кб -- 12.06.2006
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9. Recreating Einstein Level One Processing Exposure Masks and Background Maps in
... This paper describes the main algorithms used by the Einstein Level One processing to create the exposure masks and the background maps for Einstein IPC images, and how these algorithms were recreated in the IRAF environment. Our goal was to recreate the algorithms used by the Level One Processing to create exposure masks and background maps for Einstein Image Proportional Counter (IPC) data (cf. sections 2.5 and 2.7 of Harnden et al. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/vanstoned.html -- 11.6 Кб -- 03.11.2000
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10. http://zebu.uoregon.edu/2003/hum399/lec05.html
. Aristarchus was extremely clever and also figured out a way to determine the ratio of distances between the earth and the moon and the earth and the sun. While wrong, at least he reasoned that the sun was much farther from the earth than the moon. Just Try and Follow this! . Summary of Greek Science .
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Ссылки http://zebu.uoregon.edu/2003/hum399/lec05.html -- 5.4 Кб -- 06.01.2005
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11. Siding Spring Survey
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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Ссылки http://www.mso.anu.edu.au/~rmn/ -- 11.4 Кб -- 23.12.2011
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12. Abstract
Proceedings of the Particle Physics and Early Universe Conference (PPEUC). For this paper: postscript PPEUC CMB index 1 Introduction .. ... A new statistic is discussed, designed to detect isolated coherent step-like discontinuities produced by cosmic strings present at late times. ... The statistical variable considered is the Sample Mean Difference (SMD) between large neighbouring sectors of CMB maps, separated by straight lines in two dimensional maps and points in one dimensional maps. ...
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Ссылки http://www.mrao.cam.ac.uk/ppeuc/astronomy/papers/perivolaropoulos/perivolaropoulos.html -- 3.9 Кб -- 22.12.2007
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13. ESO - Thesis Topic: Foreground emission and Cosmic Microwave background
... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Foreground emission and Cosmic Microwave background intrinsic anisotropies . ... Since its discovery the Cosmic Microwave Radiation (CMB) has been one of the pillars of modern Cosmology. ... Further development of this work is the application of already tested algorithms to disentangle the foreground emission from the CMB maps and the determination of the CMB intrinsic emission. ... Return to list of thesis topics ...
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Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-andreani02.html -- 27.2 Кб -- 10.04.2016
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14. Background
Next: Summary Report Up: Phenology Garden Previous: Phenology Garden Contents . ... The creation of a phenology garden in Armagh, a project still in its infancy, is part of this effort. ... There is a need for such gardens to be close to meteorological stations having long time series of observations for calibration purposes, one of the Armagh Observatory's strengths in the environmental field. ... Armagh. ...
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Ссылки http://star.arm.ac.uk/annrep/annrep2004/node85.html -- 7.1 Кб -- 19.04.2005
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15. GALFA Consortium Guidelines
... The "GALFA Consortium" is a group of individuals interested in galactic astronomy programs using the Arecibo L-Band Focal Plane Array (ALFA) and who are committed to coordinating efforts to the extent possible in order to maximize science return and program efficiency. ... The GALFA "Coordinating Committee" consists of representatives of GALFA Consortium projects that have been granted telescope time or those in the development stage that have been endorsed by the GALFA Consortium. ...
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Ссылки http://www.naic.edu/alfa/galfa/docs/galfa_guidelines_20040817.html -- 6.7 Кб -- 06.05.2006
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16. Running processes as background jobs
To run a process in the background as a job and carry on working add an (ampersand) at the end of the command line. ... The shell forks a child process to run the command and displays the job number ( [ n ] ) and the PID (Process IDentifier) number. ... If the command is likely to produce error messages you will need to redirect standard error. ... Do not run an interactive command that requires you to type something at the terminal as a background job. ... You will then have to kill its process . ...
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Ссылки http://comet.sai.msu.ru/UNIXhelp/shell/jobz2.html -- 2.7 Кб -- 17.01.1997
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17. A Year of Resolving Backgrounds
... A Year of Resolving Backgrounds . ... In X-ray light the recently launched spacecraft Chandra and XMM resolved much of the seemingly uniform X-ray background into many discrete sources, many of which appear to be black holes at the centers of galaxies accreting matter. In microwave light , the BOOMERANG and MAXIMA-1 missions resolved with new clarity the seemingly uniform microwave background . ... Publications with keywords: cosmic microwave background radiation . ... Our Dusty Universe . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1164483 -- 14.8 Кб -- 30.12.2000
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18. ASP: Family ASTRO: Resource Lists and Background Reading
Family ASTRO Event Leaders can follow the links below to find a number of resources and more background reading to help them with their Astronomy Events and expand their knowledge on the topics covered in our series of Leader Kits for educators. ... Print and Web Resources on the Night Sky . ... If you have questions about Family ASTRO, see our Frequently Asked Questions for Educators and Astronomers page , or our Frequently Asked Questions for Families and Friends page. ...
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Ссылки http://www.astrosociety.org/edu/family/resources/resources.html -- 7.0 Кб -- 02.10.2012
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19. APOD: 2000 December 30 - A Year of Resolving Backgrounds
... 2000 December 30 . A Year of Resolving Backgrounds . ... Explanation: No matter which direction you look, no matter what type of light you see, the sky glows - but why? ... In microwave light , the BOOMERANG and MAXIMA-1 missions resolved with new clarity the seemingly uniform microwave background . ... Pictured above , a map spanning ten degrees of the microwave sky resolves the microwave background into hot and cold spots, as indicated in micro kelvins . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap001230.html -- 5.4 Кб -- 01.10.2012
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20. BRIZ: a vizualization program for Brillouin zone ? Fermi sphere
... Another significant contribution to the crystal energy of metals is the electron-ion interaction or the electron bandstructure energy (E BS ) which is defined by the interaction of valence electrons and the Brillouin zone (BZ) planes. ... The program BRIZ has been developed for 3D visualization of Brillouin zone configurations and intersections of BZ planes with a Fermi sphere[4]. ... 1.75 (electrons/atom). ... 4] Degtyareva V.F., Smirnova I.S.: BRIZ: a vizualization program for Brillouin zone ? ...
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Ссылки http://www.issp.ac.ru/lsr/briz.html -- 14.0 Кб -- 07.11.2013
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