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http://xmm.vilspa.esa.es/sas/8.0.0/doc/omphotom/node19.html.
http://xmm.vilspa.esa.es/sas/8.0.0/doc/omphotom/node19.html.
1. Weighting of the equations
. XMM-Newton Science Analysis System . omphotom (omphotom-0.6.6) [xmmsas_20070708_1801-7.1.0] . Meta Index / Home Page / Photometry / Point-Spread Function Fitting . The weighting factor for each pixel used in the least-squares fit depends on the parameter weighting , which can have a value of either 1 (the default value with weights of , where is the pixel variance ( ), or 2 with a pixel weighting value of 1. XMM-Newton SOC/SSC -- 2007-07-09
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Ссылки http://xmm.vilspa.esa.es/sas/7.1.0/doc/omphotom/node19.html -- 3.8 Кб -- 09.07.2007
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2. Spatial Analysis
... This chapter deals with analyzing source positions and spatial structure and with image calibration. ... See Table 6.1 for the dimensions of ROSAT and Einstein images: . ... ROSAT . ... Einstein . ... imcnts* - Find background subtracted counts for a point source . ... imexamine* - General analysis of image containing many sources . ... Radial Profiles and Projections . imcnts* - Radial Profile of an extended source at the field center . ... imcnts* - Azimuthal profile of an extended source . ...
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Ссылки http://hea-www.harvard.edu/PROS/PUG/node87.html -- 11.5 Кб -- 01.10.2012
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3. http://scan.sai.msu.ru/lk/
Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...
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4. Error and Bias in the STSDAS fitting Package
... The fitting package in STSDAS (Space Telescope Science Data Analysis System) relies on two basic techniques (one linear and one non-linear) for fitting functions to data. ... Results show that both methods may generate biased coefficients (at the ~few percent level), and over or under-estimate error bars (at the ~10 percent level), in particular from low signal-to-noise data. ... Function coefficient errors are computed directly from the covariance matrix. ... Abscissa is signal-to-noise. ...
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Ссылки http://www.adass.org/adass/proceedings/adass96/buskoi.html -- 9.9 Кб -- 23.06.1998
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5. Moment Analysis
Next: Smoothing the Velocity Axis Up: Analysing Spectral Cubes Previous: Introduction . ... The moment axis should be either the first or third in the cube (e.g. vxy or xyv order). You should use reorder if you want the moment of the second axis for some reason. ... Thus, the zeroth moment corresponds to the integrated intensity over velocity, the first moment corresponds to the intensity weighted velocity, and the second moment corresponds to the intensity weighted velocity dispersion squared. ...
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Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node169.html -- 6.9 Кб -- 10.04.2016
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6. Search Algorithms
Next: Fitting of data Up: Extraction of Information Previous: Extraction of Information . For projects which perform statistical analysis on groups of objects, it is important to rely on an objective search method to extract them from the data frames. ... The simplest and fastest method is using a given level over a previously determined background value as the criterion to identify possible sources. ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/94NOV/vol2/node25.html -- 5.1 Кб -- 23.02.1996
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7. http://www.mso.anu.edu.au/~raquel/Salmeron_Madrid.pdf
... Because of the low conductivity, the magnetic coupling is weak and depends critically on density, temperature, ionisation rate and charged species. ... Implications When the Hall regime dominates near the midplane and ambipolar diffusion is dominant closer to the surface, a thicker layer of the disc is unstable to MRI perturbations and modes grow faster than under the ambipolar diffusion approximation. ... Right panel: For weak coupling, Hall limit perturbations grow until vA/cs ~ 2.9. ...
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Ссылки http://www.mso.anu.edu.au/~raquel/Salmeron_Madrid.pdf -- 466.0 Кб -- 21.11.2006
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8. Photometric Analysis
... A photometric analysis was made of the simulated images using two of the widely available reduction programs, ROMAFOT (Buonanno et al. 1983) and DAOPHOT (Stetson 1987). ... The rebinned and expanded image gave better results (Fig. 7b), with the smallest errors in the order of = 0.04. ... Similarly to ROMAFOT, the image with the Moffat PSF gave significantly better results than the image generated with the Tiny Tim PSF; the errors in the magnitudes of the brighter stars were around = 0.02. ...
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Ссылки http://www.stsci.edu/stsci/meetings/irw/proceedings/lindep.dir/section3_3.html -- 8.8 Кб -- 15.04.1994
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9. http://selena.sai.msu.ru/San/Publications/ms42/m42_46.pdf
... THE SIMPLEST MODEL. ... 13, Moscow 119992, Russia E-mail: san@sai.msu.ru Abstract: The analysis of the simplest model shows that an asteroid rubble pile evolves, depending on the parameter V2d (where V is the average velocity of fragments and d is the average distance between fragments), either as a conglomerate of "independent mutually gravitating clusters" (when V2d < fm, where f is the gravitational constant and m is the average mass of a fragment) or as a "receding cluster" (when V2d > fm). ...
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Ссылки http://selena.sai.msu.ru/San/Publications/ms42/m42_46.pdf -- 10.7 Кб -- 06.10.2008
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10. Semiclassical Microlocal Analysis (Fall 2003)
... Microlocal Analysis is a theory of Pseudo-Differential Operators and Fourier Integral Operators (PDOs and FIOs). ... Microlocal analysis comes in few flavors. ... We will consider semi-classical PDOs and FIOs: one can always get from there to standard PDOs and FIOs but semi-classical theory has more applications. Less formal description of (semi-classical) microlocal analysis is ``a semi-classical limit of quantum mechanics'' or ``high-frequency limit of electrodynamics'' (etc). ...
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Ссылки http://www.mccme.ru/ium/f03/microlocal.html -- 5.0 Кб -- 09.12.2005
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11. casata: CASA Tools for Analysis Bojan Nikolic web pages (r. 329)
... Bojan Nikolic web pages (r. 329) . ... The new document explaining how to get and run the code: Using casata (i.e., how to get it without revision control!) ... casata is a thin layer on top of CASA which implements commonly used procedures for analysis of data from aperture array telescopes at radio frequencies. ... One way to think of casata is as a CASA data reduction script but with an attempt at careful software engineering. ... Contributing to casata . ... casata: CASA Tools for Analysis . ...
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Ссылки http://www.mrao.cam.ac.uk/~bn204/alma/casata.html -- 12.2 Кб -- 04.04.2016
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12. Frequency/duration relation.
... The concepts of Fourier frequency and wavelet duration are obviously related. ... Among many sensible definitions, we chose to require that the peak of the wavelet mean spectrum should be matched with the singularity of the Fourier transform of the cosine wave. Then, it can be shown that the frequency of the cosine is related to the wavelet duration by the relation . ... The ambiguous definition of the duration of an event is common to the sizing of any object of irregular shape. ...
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Ссылки http://crydee.sai.msu.ru/~vab/Wavelet.rsc/Tutor.dir/node10.html -- 4.5 Кб -- 12.04.1998
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13. INTERBALL MAGION 5 SITUATION ANALYSIS
MAGION 5 is subsatellite of the Auroral Probe, one of the satellites of the INTERBALL program. ... Click hear for the 1999 flight situation analysis during operations scheduling . ... The satellites motion calculation during the flight situation analysis is based on the orbital elements determined by the Institute of Atmospheric Czech Academy of Sciences. ... SSC GSFC NASA Satellite Situation Centre of the NASA Goddard Space Flight Centre . ... Space Research Institute (IKI) . ... IKI RAN | ...
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Ссылки http://www.iki.rssi.ru/vprokhor/magion5.htm -- 4.5 Кб -- 21.02.2000
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/vprokhor/magion5.htm -- 4.5 Кб -- 21.02.2000
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14. X-Ray Structural Analysis
... X-Ray Structural Analysis . ... The course introduces the basic principles of diffraction analysis of crystal atomic structure and the basic concepts of state-of-the-art atomic crystallography. ... X-ray crystal diffraction. тАЬGeometricalтАЭ theory of diffraction by three-dimensional scattering center grating. ... Systematic X-ray reflection extinction related to Bravais lattice type, screw axis, glide-reflection planes. €аFourier synthesis as a method of crystal atomic structure analysis. ...
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Ссылки http://www.issp.ac.ru/engl/education/miptsspd/48-xray -- 20.4 Кб -- 10.04.2016
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15. Dimensional Analysis - an Astronomy Net Blackholes Forum Message
Blackholes Forum Message . Forums: . ... Post . ... Dimensional Analysis . ... Post Message | ... Posted by Richard Ruquist on December 16, 2004 03:58:32 UTC . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
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Ссылки http://www.astronomy.net/forums/blackholes/messages/6559.shtml -- 13.4 Кб -- 09.04.2016
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16. Pulkovo VLBI Analysis Center
PUL VLBI Analysis Center . ... IVS : International VLBI Service for Geodesy and Astrometry . ... An IVS VLBI Analysis Center at the Central Astronomical Observatory at Pulkovo of the Russian Academy of Sciences, also widely known as Pulkovo Observatory, has been organized in September 2006. ... The center is a part of the Pulkovo EOP and Reference Systems Analysis Center (PERSAC) . ... Results of VLBI data analysis can be found at Pulkovo EOP and Reference Systems Analysis Center (PERSAC) page. ...
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Ссылки http://www.gao.spb.ru/english/as/ac_vlbi/ -- 15.9 Кб -- 15.03.2016
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17. http://www.ipa.nw.ru/conference/wpltn2012/docs/25/1320%20yagudina.pdf
EPM-ERA2012 Lunar Ephemeris and selenodynamical parameters from LLR data(1970-2012) M.V. Vasilyev, E.I.Yagudina IAA RAS, St-Petersburg, Russia Reflector at the Moon The reflector 's positions at the Moon surface 3.5 m telescope at Apache station INTRODUCTION MODERN EPHEMERIDES: 1. ... IAA RAS, Russia-EPM-ERA2012 The present analysis of (17580) LLR observations, (time interval 1970, March - 2012, February) Model ( brief description). The dynamical model EPM-ERA has been developed by G.A. Krasinsky. ...
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Ссылки http://www.ipa.nw.ru/conference/wpltn2012/docs/25/1320%20yagudina.pdf -- 1095.5 Кб -- 01.10.2012
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18. NICMOS Data Calibration and Analysis
Next: The STScI NICMOS Calibration Up: No Title Previous: CONICA: The high resolution . The STScI NICMOS Calibration Pipeline . Introduction . ... Dark Current Subtraction . ... Input Data . ... Scalar Background Subtraction . 2-D Background Subtraction . ... Status and Goals of the NICMOS Calibration Plan . ... Photometry . ... Photometric Performance of NICMOS . ... NICMOS Photometry. ... ST-ECF Grism Spectrum Software for NICMOS Grism Data . ... Analysis . ... STScI NICMOS Software . ...
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Ссылки http://www.stecf.org/conferences/sardinia/node8.html -- 13.2 Кб -- 12.06.2006
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19. SN 1989B Light Curve Analysis.
SN 1989B Light Curve Analysis. ... In the light curve depicting their observations, definite trends are noted, here is a "thumb-nail" analysis of the the magnitude estimations of the bright SN (1989B) in the galaxy NGC 3627 (M66). ... The observations were inserted against the V magnitude templete of BL, CCD photometric data, (Wells et. al, (1994) and a color trend (B-V) histogram of the mean type Ia SN (BL)(nutemp.gif). Key Words: Amateur Observations, Supernova, Magnitude Estimates, 1989B . ...
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Ссылки http://www.sai.msu.su/mirrors/isn/analysis.htm -- 5.1 Кб -- 02.02.2012
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20. Кабель гитарный Analysis-Plus - Analysis-Plus - Analysis-Plus Краска акриловая
... Высококачественный гитарный и инструментальный кабель . Кабель гитарный . ... Краски . В состав набора входит: Краска универсальная акриловая Folk Art, 59 мл . ... Цвет: серый . ... Цвет: . ... Термочувствительный участок не только меняет цвет, если пища слишком горячая (около 43C и выше), но и защищает десны и молочные зубы. ... Если цвет ложки изменился, остудите еду и промойте ложку под холодной водой. Повторяйте до тех пор, пока ложка не перестанет менять цвет. ...
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Ссылки http://astrokuban.info/astroku10012.html -- 24.1 Кб -- 14.02.2016
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