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1. Noise distributions
... Using the central limit theorem, the total noise can be approximated by a Gaussian or normal distribution which has the frequency function : . ... where is the mean intensity of the source. ... In the statistical analysis of the probability distribution of data several estimators based on moments are used. ... For a normal distribution, these moments are and while for a Poisson distribution are and . Besides these moments other estimators are used to describe a distribution e.g. median and mode . ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node14.html -- 6.1 Кб -- 23.02.1996
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2. Initial Distributions of Binary Parameters
Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node39.html -- 14.1 Кб -- 26.02.1997
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3. ST ScI Preprint #1364
ST ScI Preprint #1364 . Authors: H. R. Schmitt Spectral energy distributions (SEDs) are some of the most important sources of information for galaxies, especially for high redshift ones. ... We discuss the integrated spectra of galaxies of different morphological and activity type, their application to derive K-corrections and classification of high redshift objects. ... Appeared in: Building Galaxies: from the Primordial Universe to the Present . ... Last updated: September 26, 2000 . ...
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Ссылки http://www.stsci.edu/science/preprints/prep1364/prep1364.html -- 3.7 Кб -- 05.10.2000
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4. Distribution of the analyzed SEPs with different >100 MeV proton fluxes (J100)
Distribution of the analyzed SEPs with different >100 MeV proton fluxes ( J 100 ) at the microwave flux density plane ' S 9 vs. ... 1) General correspondence takes place between intensities of microwave bursts and proton fluxes - J 100 increases when S 9 and S 15 rise. ... 3) Powerful microwave bursts ( S 9 , S 15 >3000-10000 sfu ) with hard radio spectra ( S 9 < S 15 ) correspond to majority of powerful proton fluxes ( J 100 >10 pfu ). ...
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Ссылки http://www.izmiran.rssi.ru/~ichertok/SEPs_radio/fig4s.htm -- 7.5 Кб -- 22.03.2012
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5. The AstroStat Slog Blog Archive tests of fit for the Poisson distribution
... Scheming arXiv:astro-ph abstracts almost an year never offered me an occasion that the fit of the Poisson distribution is tested in different ways, instead it is taken for granted by plugging data and (source) model into a (modified) ? ... Abstract: goodness-of-fit tests based on the Cramer-von Mises statistics are given for the Poisson distribution. ... 2 statistic for testing the goodness of fit in astronomy and this D statistics is considered as a two sided test approximately distributed as a ? ...
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Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/tests-of-fit-for-the-poisson-distribution/index.html -- 27.4 Кб -- 01.03.2014
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6. Vladimir Marsakov Publication List
Scale-heights of the Galactic disk subsytems with different ages and metallicities . V.Marsakov & Yu. ... It is based on the fact, that all stars cross the disk plane several times during their Galactic orbital period. ... We have used our representative sample of nearby disk F2-G2 stars Marsakov & Shevelev (1995) in which fundamental stellar parameters was determined on the basis of published date on uvby-photometry, proper motion and radial velocities. ... Marsakov V.A., Shevelev Yu.G. Bull. ...
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Ссылки http://ip.rsu.ru/~marsakov/conf/paper1/conf1_1.htm -- 9.3 Кб -- 02.02.2007
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7. Spectral energy distribution
... In brief: the frequency-dependent radiative transfer equation is solved for a dust under assumption of spherically-symmetric geometry for its distribution taking into account particle size distribution and quantum heating effects for the very small dust particles. ... Table: Model parameters for IRAS04296+3429. ... parameter . ... hot dust shell) . ... The best fit to the spectral energy distribution of IRAS04296 is shown by heavy solid line (see Table2 for details concerning parameters of the model...
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Ссылки http://mavr.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 01.10.2012
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[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 01.10.2012
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8. important11-15_en
... 1) Studying distributions of stars of different ages in irregular and spiral galaxies we found for each galaxy a clear correlation between the age of stars and the spatial size of the subsystems of stars of this age. ... We made a stellar photometry of eight NGC 1313 fields and of its dwarf companion AM 0319-662 and studied the visible distribution of stars of different ages and of metallicity in the galaxy. ... This disappeared galaxy was the cause of the gravitational deformation of NGC 1313. ...
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Ссылки http://www.sao.ru/hq/dolly/important11-15_en.html -- 18.0 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/hq/dolly/important11-15_en.html -- 18.0 Кб -- 09.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/hq/dolly/important11-15_en.html -- 18.0 Кб -- 09.04.2016
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9. http://www.iki.rssi.ru/comp/2010/BK.htm
... Bisnovatyi-Kogan, Gennady S.; Merafina , Marco; Vaccarelli , Maria Rosaria; Spherically Symmetric Stellar Clusters with Anisotropy and Cutoff Energy in Momentum Distribution. ... We construct numerical models of spherically symmetric Newtonian stellar clusters with anisotropic distribution functions. ... Models of spherically symmetric relativistic stellar clusters with anisotropic distribution functions in relativistic regime are described by using Maxwellian distribution function with energy...
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Ссылки http://www.iki.rssi.ru/comp/2010/BK.htm -- 28.7 Кб -- 15.11.2010
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/comp/2010/BK.htm -- 28.7 Кб -- 15.11.2010
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/comp/2010/BK.htm -- 28.7 Кб -- 15.11.2010
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10. Galactic distribution and absolute magnitudes
... The distribution of galactic RCB stars is controversial. Several authors have argued that they belong to a thick galactic disk, and are thus old Population I stars. However, they may alternatively belong to the even older galactic bulge (Population II). ... In either case, the populations are sufficiently old that RCB stars must have relatively low masses ( ). ... These are the only RCB stars for which a distance is known and hence for which an absolute magnitude can be deduced. ...
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Ссылки http://star.arm.ac.uk/~csj/rcrb_rev/node6.html -- 3.9 Кб -- 16.03.2000
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11. http://zebu.uoregon.edu/2004/es399/iw3.html
... Each data set has 36 values in it. ... If it is, what can you conclude about the nature of the data? ... Data Set 1: 12.8 8.4 12.5 2.5 1.1 0.4 1.4 0.4 0.1 1.6 6.4 9.3 6.9 6.8 7.6 2.9 2.2 0.9 1.2 2.1 0.1 5.7 8.5 7.1 9.8 7.6 6.2 1.9 0.9 0.2 0.4 2.0 1.1 1.9 1.3 1.2 Data Set 2: 6.8 12.3 10.6 3.4 1.8 1.8 1.8 3.2 0.5 1.4 13.1 7.5 2.1 9.6 6.4 5.4 3.9 3.9 0.3 0.1 0.9 6.1 18.7 4.6 0.3 5.1 5.7 0.5 1.5 2.5 1.4 0.1 2.1 4.8 6.3 3.5 Data Set 3: 6.9 2.6 8.6 7.9 6.9 3.7 1.1 1.8...
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Ссылки http://zebu.uoregon.edu/2004/es399/iw3.html -- 3.6 Кб -- 18.02.2004
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12. http://www.mso.anu.edu.au/seminars/abstracts/20160301-1100.html
Since the first stars and then galaxies formed the Universe has been an immense factory converting neutral gas into stellar material. ... In this seminar I will discuss recent results from the Galaxy And Mass Assembly (GAMA) survey, probing the assembly of stellar mass though both in-situ star formation (as traced by multiple SFR indicators) and interactions (both mergers and interaction induced star-formation) - in galaxies spanning ~4 decades in stellar mass. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20160301-1100.html -- 5.5 Кб -- 10.04.2016
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13. Finding the Bivariate Brightness Distribution of galaxies from an HI selected
... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Finding the Bivariate Brightness Distribution of galaxies from an H I selected sample . ... A method is presented that will enable the bivariate luminosity/surface brightness distribution of galaxies to be determined from a relatively small H I selected sample. ... PICASSO - an automated galaxy finder . ...
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Ссылки http://www.atnf.csiro.au/pasa/16_1/minchin/paper/index.html -- 51.7 Кб -- 08.04.2016
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14. Department of Solid State Physics MIPT
Chair of solid state physics . ... The Physics of Phonons . ... In the first part of the course “The Physics of Phonons” the dynamics of atoms in one- and three- dimensional crystalline lattices is considered in detail. The quasiparticle conception in solids, taking phonons as an example, is discussed; creation and annihilation operators of phonons, main properties of acoustic and optical phonons dispersion laws, density of phonon states. ... Crystalline state. ... Acoustic and optical phonons. ...
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Ссылки http://www.issp.ac.ru/kafedra/en/courses/maksimov.html -- 10.0 Кб -- 28.02.2014
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15. http://www.arcetri.astro.it/irlab/doc/library/nr/f14-0.pdf
... Chapter 14. ... Data consist of numbers, of course. ... In the following sections, you will repeatedly encounter the following paradigm: § apply some formula to the data to compute a statistic § compute where the value of that statistic falls in a probability distribution that is computed on the basis of some null hypothesis § if it falls in a very unlikely spot, way out on a tail of the distribution , conclude that the null hypothesis is false for your ... 603 604 Chapter 14. ...
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Ссылки http://www.arcetri.astro.it/irlab/doc/library/nr/f14-0.pdf -- 45.5 Кб -- 07.10.1999
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16. (Untitled)
To construct two-dimension distribution of minor planets user should specify elements/ parameters/ function that will be plotted as abscissas and ordinates. In three-dimension case one should add to them the element plotted on Z axis. ... Though you may choose elements plotted along different axes at will, often there is good reason to plot such elements as a, n, or n" along X axis (two-dimension distributions) and to plot them along Y axis in three-dimension case. ...
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Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user8zse.htm -- 3.4 Кб -- 10.04.2016
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17. ASP: Responsible Exploration
Where and how are we looking for evidence of life? ... Because the universe is an immense place, it makes sense to search for evidence of life in more than one way. In addition to focusing on what we know about life on Earth, especially in extreme environments, astrobiology currently comprises three basic types of searches in space, each employing different technologies, looking in different places, and expecting to find different kinds of data: . ... The search types ? ... Extrasolar Planets vs. ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/58/planetprotect2.html -- 11.5 Кб -- 02.10.2012
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18. http://www.iki.rssi.ru/comp/2015/B-K_obzor2.pdf
... Tsupko Gravitational Lensing in Plasmic Medium Plasma Physics Reports, 2015, Vol. ... 562581 The influence of plasma on different effects of gravitational lensing is reviewed. Using the Hamiltonian approach for geometrical optics in a medium in the presence of gravity, an exact formula for the photon deflection angle by a black hole (or another body with a Schwarzschild metric) embedded in plasma with a spherically symmetric density distribution is derived. ...
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Ссылки http://www.iki.rssi.ru/comp/2015/B-K_obzor2.pdf -- 134.6 Кб -- 02.11.2015
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19. Apache modules
Below is a list of all of the modules that come as part of the Apache distribution. ... mod_actions Apache 1.1 and up . ... Sending files which contain their own HTTP headers . ... User authentication using text files . ... User authentication using Berkeley DB files . ... User authentication using DBM files . ... mod_browser Apache 1.2.* only . ... Replaced by mod_setenvif in Apache 1.3 and up . ... Logging of User Agents . ... Replaced by the mod_log_config module in Apache 1.2 and up . ...
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Ссылки http://neptun.sai.msu.su/manual/mod/ -- 8.3 Кб -- 20.05.2004
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20. Description
Next: Generation from Ground Calibration Up: EMOS_REDIST Previous: EMOS_REDIST Contents . The redistribution parameters for the MOS cameras. ... Attributes: . None. Columns: . ... The central CCD of each MOS detector has developed a patch where the energy resolution is worse than the average. ... The energy bounds of PHA channels. ... The energy bounds of the PI channels, used to determine the equivalent energies of spectral channels in the redistribution matrix construction. ...
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Ссылки http://xmm.vilspa.esa.es/calibration/documentation/CALHB/node752.html -- 6.7 Кб -- 20.09.2011
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Астронет | Научная сеть | ГАИШ МГУ | Поиск по МГУ | О проекте | Авторам
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